CN218157075U - River water sampling device - Google Patents
River water sampling device Download PDFInfo
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- CN218157075U CN218157075U CN202222124392.5U CN202222124392U CN218157075U CN 218157075 U CN218157075 U CN 218157075U CN 202222124392 U CN202222124392 U CN 202222124392U CN 218157075 U CN218157075 U CN 218157075U
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Abstract
A river water sampling device comprises a sampling tube and a lower connecting tube, wherein the upper port of the sampling tube is sealed by a top plate, the lower port of the sampling tube is connected with the upper port of the lower connecting tube by threads, and the lower port of the lower connecting tube is sealed by a bottom plate; the lower connecting pipe is internally provided with a filtering component, and when the sampling pipe is in threaded connection with the lower connecting pipe, the filtering component is positioned below the sampling pipe; the top plate is provided with a piston assembly, a piston at the lower end of the piston assembly is arranged in the sampling tube in a sliding and sealing manner, and the upper end of the piston assembly extends out of the top plate; the bottom plate is provided with a water inlet pipe which is communicated with the interior of the lower connecting pipe; a pouring pipe is arranged on the outer side wall of the upper part of the sampling pipe, the pouring pipe is communicated with the interior of the sampling pipe, and a rubber plug is arranged at the outlet of the pouring pipe; when sampling, the piston upwards moves, and river water enters the inlet tube, connects pipe and filtering component down in proper order to store in the sampling tube. Through setting up filtering component, after the water sample took over under the inlet tube entering, the water sample was earlier filtered through filtering component, then got into the sampling tube, therefore the water sample is examining time measuring, need not filter just can direct detection, so relative improvement the efficiency that the water sample detected.
Description
Technical Field
The utility model belongs to the technical field of sampling device, concretely relates to river sampling device.
Background
In the prior art, a river water sampling device for hydraulic engineering is disclosed in application number 202120325904.7 and authorization publication number CN 214472011U; the device enables the movable plug, the piston rod and the water sucking plug to integrally move downwards by pulling the pumping rod to the highest position; then the sampling hose is put into water, and the pumping rod is pressed down to make the movable plug, the piston rod and the water absorption plug move upwards integrally, so that the river water is sucked into the sampling cylinder, and the sampling of the river water is completed.
The device has the following defects that 1, in the sampling process, when the compression rod is pushed and pulled, the air pressure plug, the movable plug and the water absorption plug all need to move, and the air pressure plug, the movable plug and the water absorption plug all generate friction force with corresponding inner walls, so that the compression rod is pushed and pulled with more labor; 2. all not set up filter equipment in inlet tube and the sample hose, so when examining after the sample finishes, if have debris such as silt in the water sample, and these debris are not the pollutant again, at first need filter the water sample, then just can carry out the water sample and detect to avoid these debris to influence testing result, so do not set up filter equipment's existing equipment can influence the efficiency that the water sample detected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a river water sampling device, which solves the problem that the sampling device in the prior art is labor-consuming when pushing and pulling a compression rod; and a technical problem that no filtering device is arranged.
The utility model provides a scheme that its technical problem adopted is:
a river water sampling device comprises a sampling tube and a lower connection tube, wherein the upper port of the sampling tube is sealed by a top plate, the lower port of the sampling tube is connected with the upper port of the lower connection tube by threads, and the lower port of the lower connection tube is sealed by a bottom plate; the lower connecting pipe is internally provided with a filtering component, and the filtering component is positioned below the sampling pipe when the sampling pipe is in threaded connection with the lower connecting pipe; a piston assembly is arranged on the top plate, a piston at the lower end of the piston assembly is arranged in the sampling tube in a sliding and sealing manner, and the upper end of the piston assembly extends out of the top plate; the bottom plate is provided with a water inlet pipe which is communicated with the interior of the lower connecting pipe; a pouring tube is arranged on the outer side wall of the upper part of the sampling tube, the pouring tube is communicated with the interior of the sampling tube, and a rubber plug is arranged at the outlet of the pouring tube; when sampling, the piston upwards moves, and river water enters the inlet tube, connects pipe and filtering component down in proper order to store in the sampling tube.
By connecting the sampling tube and the lower connecting tube in a threaded manner, when the interiors of the sampling tube and the lower connecting tube need to be cleaned, the interiors of the sampling tube and the lower connecting tube can be conveniently cleaned by separating the sampling tube from the lower connecting tube; by arranging the filtering component, after a water sample enters the lower connecting pipe from the water inlet pipe, the water sample firstly passes through the filtering component and then enters the sampling pipe, so that the water sample can be directly detected without being filtered when being detected, and the water sample detection efficiency is relatively improved; the filtering holes of the filtering component are relatively large, and only solid impurities with large particle sizes, such as silt, can be filtered, and the impurities are not the object of water sample detection, so that the detection result of a water sample cannot be influenced; by arranging the piston assembly, a water sample can be sucked into the sampling tube through the movement of the piston, and because the scheme only has one piston, compared with the three pistons in the prior art, the friction force to be overcome by the piston assembly is relatively small, so that the piston assembly can move in a labor-saving manner; through setting up back flush pipe and rubber buffer, when sampling assembly took a sample, the rubber buffer stopped the back flush pipe, made sampling tube and outside atmosphere separation, opened the rubber buffer after the sample is ended and can pour the water sample to corresponding container, accomplished whole sample process.
Further, piston assembly still includes the threaded rod, and the central point of sampling tube roof puts and sets up threaded hole, threaded hole threaded connection on threaded rod and the roof, and the lower extreme and the piston of threaded rod pass through the bearing and rotate the connection, and the roof is stretched out to the upper end of threaded rod to be fixed with the handle.
In the sampling device in the prior art, a water sample is sucked into the sampling device by pushing and pulling a pumping rod; the push-pull compression rod has the disadvantages that a user cannot easily push and pull the piston by a small stroke; so through setting up the threaded rod, utilize screw thread transmission, the stroke is continuous, accurate and the advantage of being convenient for control, can overcome prior art when push-and-pull suction bar, is difficult to the problem with the very little stroke of piston push-and-pull, can conveniently control the translation rate of piston like this, avoids the piston translation rate very fast, makes the quick entering sampling device of water, causes great disturbance to near the water of sampling device and leads to the water muddy to influence the water sample.
Further, the filter assembly is detachably arranged in the lower connecting pipe.
Through making filter assembly and lower union coupling can dismantle, can be convenient wash filter assembly and lower union coupling inside.
Furthermore, the filtering component comprises a connecting column and two circular filtering plates, and each filtering plate is provided with a plurality of filtering holes; a through hole is formed in the center of each filter plate, and the two filter plates are marked as a first filter plate and a second filter plate; the lower end of the connecting column is fixed in the through hole of the second filter plate, and the upper end of the connecting column is fixed in the through hole of the first filter plate and extends out of the first filter plate; two filter pass through the spliced pole even as an organic whole, and whole detachable setting is taken over under in.
By arranging the two filter plates, the water sample can be filtered twice, impurities in the water sample can be fully filtered, and subsequent detection is facilitated; by arranging the connecting column, the two filter plates are connected into a whole through the connecting column; the part that first filter is stretched out to the upper end of spliced pole can use as the handle, and the user can remove whole filtering component through the upper end of spliced pole.
Further, the diameter of the filter holes of the second filter plate is larger than that of the filter holes of the first filter plate.
The diameter of the filtering holes of the second filtering plate is relatively large, so that a water sample can be primarily filtered; the diameter of the filtering hole of the first filtering plate is relatively small, so that a water sample can be deeply filtered, and impurities with small particle size are filtered; if only set up the one deck filter, when impurity content was great in the river, all debris only filtered through the one deck filter, can make this filter burden overweight, and the resistance that the filter bore greatly increased in the short time influences the life of filter.
Furthermore, an annular plate is fixed in the inner wall of the lower connecting pipe, a gap is formed between the annular plate and the bottom plate of the lower connecting pipe, the inner wall of the annular plate is inwards sunken to form two notches, and the two notches are symmetrically arranged on the annular plate by taking the central axis of the annular plate as a symmetry axis; a second filter plate of the filter assembly can be placed on the annular plate, and the positions, corresponding to the notches of the annular plate, of the lower surface of the second filter plate are provided with limit pieces; the limiting piece is integrally L-shaped, the upper end of the vertical section of the L-shaped limiting piece is fixed on the lower surface of the second filter plate, and the horizontal section of the limiting piece is positioned below the second filter plate; when the filtering component is placed on the annular plate, the vertical section of each limiting part is positioned at the inner side of the annular plate, the horizontal section of each limiting part is positioned right below the corresponding notch, and the connecting column is rotated to enable the horizontal section of each limiting part to deviate from the corresponding notch, so that the filtering component is installed on the annular plate; when taking out filtering component, rotate the spliced pole, make the horizontal segment of locating part be located corresponding breach under, through rebound filtering component, make filtering component and annular plate separation.
When the second filter plate is placed on the annular plate, the horizontal section of the limiting piece is arranged right below the corresponding notch through the corresponding notch, and the vertical section of the limiting piece is positioned on the inner side of the annular plate; then, the whole filtering assembly is rotated by rotating the connecting column, so that the horizontal section of the limiting part and the corresponding notch are staggered; at the moment, the vertical section of the limiting piece is still positioned at the inner side of the annular plate, and the horizontal section of the limiting piece is positioned right below the annular plate; the annular plate stops the horizontal section of the limiting piece from moving upwards, so that the filtering component is installed on the annular plate through the limiting piece; when the filter assembly needs to be taken out, the connecting column is rotated, the horizontal segment of the limiting part is located under the corresponding notch, and then the connecting column is lifted upwards, so that the filter assembly is separated from the annular plate.
Furthermore, the water inlet of the water inlet pipe is in a bell mouth shape, and the diameter of the water inlet pipe is gradually reduced along the water inlet direction of the water inlet pipe; the water inlet of the water inlet pipe is provided with a circular plate made of rubber materials, and the periphery of the circular plate is fixedly connected with the inner wall of the water inlet pipe; the center of the circular plate is cut by two cutting lines along the radial direction, and the two cutting lines are mutually perpendicular to form a cross shape, so that a water passing channel formed by four valves is formed in the center of the circular plate; when a water sample is absorbed, the free ends of the four valves move to one side where the downward connecting pipe is located, so that the water passing channel is opened; and when the sampling is finished, the four valves are reset, and the four valves are spliced into a circle, so that the water passage is closed.
By arranging the water inlet pipe, the circular plate can be arranged on the water inlet pipe, and by arranging the water passing channel formed by the four valves on the circular plate, when water is absorbed, the free ends of the four valves move towards one side where the lower connecting pipe is located, so that the water passing channel is opened; when the sample finishes, four valves reset, and four valve amalgamations become circularly, between four valves, the position of mutual contact closely laminates, makes water channel close, makes the water inlet of inlet tube seal, avoids inhaling sampling device's water sample and spills.
Furthermore, an anti-slip sleeve is arranged on the outer side of the handle grip.
When holding the handle, through setting up anti-skidding cover, can effectively increase the frictional force when holding the handle and rotate, make the more firm handle of holding of user, anti-skidding cover is made by rubber materials.
The utility model has the advantages that:
1. through setting up filtering component, after the water sample took over under the inlet tube entering, the water sample was earlier filtered through filtering component, then got into the sampling tube, therefore the water sample is examining time measuring, need not filter just can direct detection, so relative improvement the efficiency that the water sample detected.
2. Through setting up piston assembly, can inhale the sampling tube with the water sample through the removal of piston in, because this scheme only has a piston, so compare with the three piston among the prior art, the frictional force that piston assembly will overcome is less relatively, so can be more laborsaving remove.
3. Through making sampling tube and lower union coupling threaded connection, when needs wash the inside of sampling tube and lower takeover, through making the sampling tube and lower takeover separation, can be convenient wash the inside of sampling tube and lower takeover.
Drawings
Fig. 1 shows the overall structure of the present invention.
Figure 2 shows a schematic view of the mounting position of the circular plate and the water inlet pipe.
Fig. 3 shows a cross-sectional view of the present invention.
Fig. 4 shows a schematic view of the overall structure of the filter assembly.
Fig. 5 shows a schematic view of the installation position of the annular plate.
Fig. 6 is a schematic view showing the installation position of the filter assembly in the lower adapter.
Parts, elements and numbering in the drawings: the sampling device comprises a piston assembly 1, a threaded rod 101, a handle 102, a handle 103, a piston 104, a bearing 105, a filter assembly 2, a first filter plate 201, a second filter plate 202, a connecting column 203, a sampling tube 3, a pouring tube 4, a rubber plug 5, a lower connecting tube 6, a water inlet tube 7, a circular plate 8, an anti-slip sleeve 9, a limiting part 10, a notch 11 and an annular plate 12.
Detailed Description
The following provides a detailed description of the present invention, and the technical solutions of the present invention are clearly and completely described with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1 and 3, a river water sampling device comprises a sampling tube 3 and a lower connection tube 6, wherein an upper port of the sampling tube 3 is sealed by a top plate, a lower port of the sampling tube 3 is connected with an upper port of the lower connection tube 6 by a thread, and a lower port of the lower connection tube 6 is sealed by a bottom plate; the lower connecting pipe 6 is internally provided with a filtering component 2, and when the sampling pipe 3 is in threaded connection with the lower connecting pipe 6, the filtering component 2 is positioned below the sampling pipe 3; the top plate is provided with a piston assembly 1, a piston 104 at the lower end of the piston assembly 1 is arranged in the sampling tube 3 in a sliding and sealing manner, and the upper end of the piston assembly 1 extends out of the top plate; a water inlet pipe 7 is arranged on the bottom plate, and the water inlet pipe 7 is communicated with the interior of the lower connecting pipe 6; a pouring pipe 4 is arranged on the outer side wall of the upper part of the sampling pipe 3, the pouring pipe 4 is communicated with the interior of the sampling pipe 3, and a rubber plug 5 is arranged at the outlet of the pouring pipe 4; when sampling is performed, the piston 104 moves upward, and river water sequentially enters the water inlet pipe 7, the lower connecting pipe 6 and the filter assembly 2 and is stored in the sampling pipe 3.
The piston assembly 1 comprises a threaded rod 101, a threaded hole is formed in the center of a top plate of the sampling tube 3, the threaded rod 101 is in threaded connection with the threaded hole in the top plate, the lower end of the threaded rod 101 is rotatably connected with the piston 104 through a bearing 105, and the upper end of the threaded rod 101 extends out of the top plate and is fixed with a handle 102.
The filter assembly 2 is detachably arranged in the lower connecting pipe 6.
As shown in fig. 4, the filter assembly 2 comprises a connecting column 203 and two circular filter plates, each of which is provided with a plurality of filter holes; a through hole is formed in the center of each filter plate, and the two filter plates are marked as a first filter plate 201 and a second filter plate 202; the lower end of the connecting column 203 is fixed in the through hole of the second filter plate 202, and the upper end of the connecting column 203 is fixed in the through hole of the first filter plate 201 and extends out of the first filter plate 201; two filter pass through spliced pole 203 even as an organic whole, and whole detachable setting is in taking over 6 under.
The diameter of the filter holes of the second filter plate 202 is larger than that of the first filter plate 201.
As shown in fig. 5 and 6, an annular plate 12 is fixed in the inner wall of the lower connecting pipe 6, a gap is formed between the annular plate 12 and the bottom plate of the lower connecting pipe 6, the inner wall of the annular plate 12 is recessed inwards to form two notches 11, and the two notches 11 are symmetrically arranged on the annular plate 12 by taking the central axis of the annular plate 12 as a symmetry axis; the second filter plate 202 of the filter assembly 2 can be placed on the annular plate 12, and the position corresponding to the annular plate gap 11 on the lower surface of the second filter plate 202 is provided with a limiting piece 10; the limiting piece 10 is integrally L-shaped, the opening of the L-shape faces the outside of the second filter plate, the upper end of the vertical section of the L-shaped limiting piece 10 is fixed on the lower surface of the second filter plate 202, and the horizontal section of the limiting piece 10 is positioned below the second filter plate 202; when the filtering component 2 is placed on the annular plate 12, the vertical section of each limiting piece 10 is positioned at the inner side of the annular plate 12, the horizontal section of each limiting piece 10 is positioned right below the corresponding notch 11, the connecting column 203 is rotated to make the horizontal section of the limiting piece 10 deviate from the corresponding notch 11, and the filtering component 2 is installed on the annular plate 12; when the filter assembly 2 is taken out, the connecting column 203 is rotated to enable the horizontal section of the limiting part 10 to be positioned right below the corresponding notch 11, and the filter assembly 2 is separated from the annular plate 12 by moving the filter assembly 2 upwards.
As shown in fig. 2 and 6, the water inlet of the water inlet pipe 7 is in a bell mouth shape, and the diameter of the water inlet pipe 7 is gradually reduced along the water inlet direction of the water inlet pipe 7; a circular plate 8 made of rubber materials is arranged at the water inlet of the water inlet pipe 7, and the periphery of the circular plate 8 is fixedly connected with the inner wall of the water inlet pipe 7; the center of the circular plate 8 is cut by two cutting lines along the radial direction, and the two cutting lines are mutually perpendicular to form a cross shape, so that a water passing channel formed by four valves is formed in the center of the circular plate 8; when water samples are absorbed, the free ends of the four valves move to one side where the lower connecting pipe 6 is located, so that a water passing channel is opened; and when the sampling is finished, the four valves are reset, and the four valves are spliced into a circle, so that the water passage is closed.
The outer side of the handle grip 103 is provided with an anti-slip sleeve 9.
The working principle is as follows:
when a water body is sampled, firstly, the rubber plug 5 is used for plugging the water outlet of the pouring pipe 4, then the water inlet pipe 7 is immersed into the water body, then the handle 103 is rotated to drive the threaded rod 101 to rotate, the threaded rod 101 is moved upwards, the piston 104 is driven to move upwards along the inner wall of the sampling pipe 3, a water sample is pumped into the sampling device, after the water sample enters the lower connecting pipe 6 from the water inlet pipe 7, the water sample is filtered through the filtering component 2 firstly and then enters the sampling pipe 3, the water sample is filtered twice through the first filtering plate 201 and the second filtering plate 202, solid impurities in the water sample are filtered fully, and subsequent detection is facilitated; after the sample, invert whole device, make circular plate 8 be located the upper end, handle 103 is located the lower extreme, then opens rubber buffer 5, pours the water sample to corresponding container, accomplishes whole sample process.
When placing filter assembly 2, at first place annular plate 12 with second filter 202 on, pass through corresponding breach 11 with the horizontal segment of locating part 10, set up under corresponding breach 11, then through rotating spliced pole 203, make whole filter assembly 2 rotate, make the horizontal segment of locating part 10 and corresponding breach 11 dislocation, make filter assembly 2 install on annular plate 12 through locating part 10.
When the filter assembly 2 is disassembled, the connecting column 203 is rotated to enable the horizontal section of the limiting part 10 to be located under the corresponding notch, then the connecting column 203 is lifted upwards, so that the filter assembly 2 is separated from the annular plate 12, and then the filter assembly 2 is cleaned.
Claims (8)
1. A river water sampling device is characterized by comprising a sampling tube (3) and a lower connecting tube (6), wherein the upper port of the sampling tube (3) is sealed by a top plate, the lower port of the sampling tube (3) is connected with the upper port of the lower connecting tube (6) by threads, and the lower port of the lower connecting tube (6) is sealed by a bottom plate;
the lower connecting pipe (6) is internally provided with a filtering component (2), and when the sampling pipe (3) is in threaded connection with the lower connecting pipe (6), the filtering component (2) is positioned below the sampling pipe (3);
a piston assembly (1) is installed on the top plate, a piston (104) at the lower end of the piston assembly (1) is arranged in the sampling tube (3) in a sliding and sealing mode, and the upper end of the piston assembly (1) extends out of the top plate;
a water inlet pipe (7) is arranged on the bottom plate, and the water inlet pipe (7) is communicated with the interior of the lower connecting pipe (6);
a pouring pipe (4) is arranged on the outer side wall of the upper part of the sampling pipe (3), the pouring pipe (4) is communicated with the interior of the sampling pipe (3), and a rubber plug (5) is arranged at the outlet of the pouring pipe (4);
when sampling is carried out, the piston (104) moves upwards, and river water sequentially enters the water inlet pipe (7), the lower connecting pipe (6) and the filtering component (2) and is stored in the sampling pipe (3).
2. The river water sampling device according to claim 1, wherein the piston assembly (1) further comprises a threaded rod (101), a threaded hole is formed in the center of a top plate of the sampling tube (3), the threaded rod (101) is in threaded connection with the threaded hole in the top plate, the lower end of the threaded rod (101) is rotatably connected with the piston (104) through a bearing (105), and the upper end of the threaded rod (101) extends out of the top plate and is fixed with a handle (102).
3. A river water sampling device according to claim 2, wherein the filter assembly (2) is removably arranged in the down pipe (6).
4. A river water sampling device according to claim 3, wherein the filter assembly (2) comprises a connecting column (203) and two circular filter plates, each filter plate having a plurality of filter holes;
a through hole is formed in the center of each filter plate, and the two filter plates are marked as a first filter plate (201) and a second filter plate (202);
the lower end of the connecting column (203) is fixed in the through hole of the second filter plate (202), and the upper end of the connecting column (203) is fixed in the through hole of the first filter plate (201) and extends out of the first filter plate (201);
the two filter plates are connected into a whole through a connecting column (203), and the whole filter plates are detachably arranged in the lower connecting pipe (6).
5. A river water sampling device according to claim 4 wherein the diameter of the filter openings of the second filter plate (202) is larger than the diameter of the filter openings of the first filter plate (201).
6. A river water sampling device according to claim 4, characterized in that an annular plate (12) is fixed in the inner wall of the lower connecting pipe (6), a gap is reserved between the annular plate (12) and the bottom plate of the lower connecting pipe (6), the inner wall of the annular plate (12) is recessed inwards to form two notches (11), and the two notches (11) are symmetrically arranged on the annular plate (12) by taking the central axis of the annular plate (12) as a symmetry axis;
second filter plates (202) of the filter assembly (2) can be placed on the annular plate (12), and limiting pieces (10) are arranged at positions, corresponding to the annular plate notches (11), of the lower surfaces of the second filter plates (202);
the limiting piece (10) is integrally L-shaped, the opening of the L shape faces the outside of the second filter plate (202), the upper end of the vertical section of the L-shaped limiting piece (10) is fixed on the lower surface of the second filter plate (202), and the horizontal section of the limiting piece (10) is positioned below the second filter plate (202);
when the filtering component (2) is placed on the annular plate (12), the vertical section of each limiting part (10) is located on the inner side of the annular plate (12), the horizontal section of each limiting part (10) is located right below the corresponding notch (11), the connecting column (203) is rotated, the horizontal section of each limiting part (10) deviates from the corresponding notch (11), and the filtering component (2) is installed on the annular plate (12);
when the filtering component (2) is taken out, the connecting column (203) is rotated, the horizontal section of the limiting part (10) is positioned under the corresponding notch (11), and the filtering component (2) is separated from the annular plate (12) by upwards moving the filtering component (2).
7. A river water sampling device according to claim 6, wherein the inlet of the inlet pipe (7) is flared, and the diameter of the inlet pipe (7) decreases gradually along the water inlet direction of the inlet pipe (7);
a water inlet of the water inlet pipe (7) is provided with a circular plate (8) made of rubber materials, and the periphery of the circular plate (8) is fixedly connected with the inner wall of the water inlet pipe (7);
the center of the circular plate (8) is cut by two cutting lines along the radial direction, and the two cutting lines are mutually vertical to form a cross shape, so that a water passing channel formed by four valves is formed at the center of the circular plate (8);
when water samples are absorbed, the free ends of the four valves move to one side where the lower connecting pipe (6) is located, so that the water passing channel is opened;
and when the sampling is finished, the four valves are reset, and the four valves are spliced into a circle, so that the water passage is closed.
8. A river water sampling device according to claim 7 wherein the outer side of the handle grip (103) is provided with a slip-resistant sleeve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222124392.5U CN218157075U (en) | 2022-08-12 | 2022-08-12 | River water sampling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222124392.5U CN218157075U (en) | 2022-08-12 | 2022-08-12 | River water sampling device |
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| CN218157075U true CN218157075U (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222124392.5U Active CN218157075U (en) | 2022-08-12 | 2022-08-12 | River water sampling device |
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| CN (1) | CN218157075U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117072489A (en) * | 2023-10-13 | 2023-11-17 | 江苏法尔机械制造有限公司 | Improved corrosion-resistant silicon carbide ceramic pump |
| CN117309496A (en) * | 2023-10-28 | 2023-12-29 | 河海大学 | River sediment sampling monitoring equipment |
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2022
- 2022-08-12 CN CN202222124392.5U patent/CN218157075U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117072489A (en) * | 2023-10-13 | 2023-11-17 | 江苏法尔机械制造有限公司 | Improved corrosion-resistant silicon carbide ceramic pump |
| CN117072489B (en) * | 2023-10-13 | 2024-03-26 | 江苏法尔机械制造有限公司 | Improved corrosion-resistant silicon carbide ceramic pump |
| CN117309496A (en) * | 2023-10-28 | 2023-12-29 | 河海大学 | River sediment sampling monitoring equipment |
| CN117309496B (en) * | 2023-10-28 | 2024-03-01 | 河海大学 | River sediment sampling monitoring equipment |
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