CN216746921U - Sample collecting device for well washing of underground water monitoring well - Google Patents
Sample collecting device for well washing of underground water monitoring well Download PDFInfo
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- CN216746921U CN216746921U CN202123411881.0U CN202123411881U CN216746921U CN 216746921 U CN216746921 U CN 216746921U CN 202123411881 U CN202123411881 U CN 202123411881U CN 216746921 U CN216746921 U CN 216746921U
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Abstract
The utility model discloses a sample collecting device for well washing of an underground water monitoring well, which comprises: the bottom end of the sampling tube is provided with a sample inlet, and a movable ball which is blocked at the sample inlet under the action of gravity is arranged in the sampling tube; the traction end of the flexible ruler is connected to the top end of the sampling tube; and the storage assembly is connected with the storage end of the tape and is used for storing and releasing the tape. According to the utility model, the sampling depth of the sampling tube can be accurately recorded through the flexible rule, and the flexible rule can be stored and released through the storage assembly, so that the time and the labor are saved, and the operation is convenient; and is convenient to carry after being stored.
Description
Technical Field
The utility model relates to the field of sample collection devices, in particular to a sample collection device for washing a groundwater monitoring well.
Background
Underground water is an important component of water resources, and underground water environment monitoring is an important foundation for underground water environment protection and pollution prevention. There is a possibility of LNAPL contamination (light non-aqueous phase liquid, organic phase with specific gravity less than water, incompatible with water) or DNAPL contamination (heavy non-aqueous phase liquid, organic phase with specific gravity less than water, incompatible with water), or both, in the groundwater. Preferentially collecting a sample for detecting volatile organic compounds according to the requirements of relevant standards and technical specifications of site investigation, wherein the sample collection depth is below 0.5m of an underground water line, and if LNAPL pollution is found on site, a sample at the top of an aquifer is collected; if DNAPL contamination is found on site, samples are taken from the bottom of the water-containing layer or from the top of the water-impermeable layer. Therefore, if the sampling depth can be measured in the sample collection process, the relative accuracy of the sample collection position can be improved, and the accuracy of the experimental monitoring analysis data is further ensured.
At present, generally adopt the bailer pipe to sample groundwater, but the bailer pipe commonly used is only a single smooth pipe, does to pull with ordinary rope, and the sampling process is because there is not length, volume sign, and sampling depth and well-flushing volume all rely on personal experience, and the rope does not have and accomodates, very easily stains, causes secondary pollution to other groundwater samples easily in the sampling process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sample collecting device for well washing of an underground water monitoring well, and aims to solve the problems that when underground water is sampled by adopting a belleville tube, the sampling depth is not clear, a rope is not stored, the collection and the storage are inconvenient, and the like.
In order to solve the technical problems, the utility model is realized by the following technical scheme: there is provided a sample collection device for well flushing of a groundwater monitoring well, comprising:
the bottom end of the sampling tube is provided with a sample inlet, and a movable ball which is blocked at the sample inlet under the action of gravity is arranged in the sampling tube;
the traction end of the flexible ruler is connected to the top end of the sampling tube;
and the storage assembly is connected with the storage end of the tape and is used for storing and releasing the tape.
Furthermore, the surface of the flexible rule is provided with a corrosion-resistant coating.
Furthermore, the traction end of the flexible rule is connected with the top end of the sampling tube through a connecting piece.
Further, the receiving assembly includes:
a first housing;
the second shell is fixedly assembled with the first shell, and a containing position is arranged between the first shell and the second shell;
the two ends of the accommodating rotating shaft are respectively and rotatably connected to the first shell and the second shell and are positioned in the accommodating positions, and the accommodating end of the tape is connected to the accommodating rotating shaft;
the driving piece is arranged on the outer side of the first shell or the second shell and used for driving the accommodating rotating shaft to rotate so as to link the tape to be wound on the accommodating rotating shaft or be discharged from the accommodating rotating shaft.
Further, the receiving shaft includes:
the inner shaft is used for winding the accommodating end of the tape;
and the lantern ring is sleeved on the inner shaft so as to fix the accommodating end of the tape on the inner shaft.
Furthermore, the driving piece is one of a hand-operated rotating handle and a driving motor.
Further, the upper end of the containing assembly is provided with a handheld opening.
Further, the length of the flexible rule is 10-30 m.
Furthermore, the outer wall of the sampling pipe is provided with a length scale mark position.
Furthermore, the outer wall of the sampling pipe is provided with a volume scale mark position.
The embodiment of the utility model provides a sample collecting device for well washing of a groundwater monitoring well, which comprises: the bottom end of the sampling tube is provided with a sample inlet, and a movable ball which is blocked at the sample inlet under the action of gravity is arranged in the sampling tube; the traction end of the flexible ruler is connected to the top end of the sampling tube; and the storage assembly is connected with the storage end of the flexible rule and is used for storing and releasing the flexible rule. According to the embodiment of the utility model, the sampling depth of the sampling pipe can be accurately recorded through the flexible rule, and the flexible rule can be stored and released through the storage assembly, so that the time and the labor are saved, and the operation is convenient; and is convenient to carry after being stored.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a sample collection device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a partial structure of a sample collection device according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a portion of the receiving assembly according to the embodiment of the present invention;
fig. 4 is another schematic structural diagram of a portion of the receiving assembly according to the embodiment of the present invention.
The labels in the figures illustrate:
1. a sampling tube; 11. a sample inlet; 12. length scale mark positions; 13. volume scale mark positions;
2. a flexible rule;
3. a receiving assembly; 31. a first housing; 32. a second housing; 33. a drive member; 34. an inner shaft; 35. a collar;
4. a connecting member.
Detailed Description
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, not all, embodiments of the present invention. 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 will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
With reference to fig. 1 and 2, an embodiment of the present invention provides a sample collection device for a groundwater monitoring well flushing, including:
the bottom end of the sampling tube is provided with a sample inlet 11, and a movable ball which is blocked at the sample inlet 11 under the action of gravity is arranged in the sampling tube;
the flexible rule 2 is connected with the top end of the sampling tube at the traction end of the flexible rule 2;
and the storage component 3 is connected with the storage end of the tape 2 and is used for storing and releasing the tape 2.
In this embodiment, the acquisition process is as follows: through taking in 3 control flexible rule 2 releases of subassembly for the sampling pipe moves down in the monitoring well, move down and insert when aquatic at the sampling pipe, receive the sampling pipe to move down and the resistance influence of water, the activity ball can be in intraductal surge, thereby open introduction port 11 and make in the water admission pipe, thereby realize the sampling, accomplish the sampling back, withdraw through taking in 3 control flexible rules 2 of subassembly, thereby it shifts up to drive the sampling pipe, the activity ball receives the inertia of pulling up and because the density of self is greater than water this moment, can block up introduction port 11, prevent that water from flowing out.
In the acquisition process, the length scales on the flexible rule 2 are utilized, so that the sampling depth of the sampling tube is accurately recorded; meanwhile, the storage assembly 3 is utilized, the flexible rule 2 is convenient to fold and unfold, the effects of time and labor saving and convenient operation are achieved, and the flexible rule is convenient to carry after being stored.
More specifically:
the outer wall of the sampling tube is provided with a length scale mark position 12 and a volume scale mark position 13, the length scale range is 0-100cm, and the volume scale range is 0-1000 ml; the water quantity of the water depth of the collected water sample can be acquired more visually.
The length of the flexible rule 2 is 10-30m, different specifications can be set according to different requirements, and the flexible rule 2 is provided with a corrosion-resistant coating which can be at least one of a polytetrafluoroethylene coating, a polypropylene coating and a polyethylene coating; the corrosion-resistant coating is helpful for avoiding secondary pollution to other underground water samples in the process of collecting water samples.
In one embodiment, the traction end of the flexible rule 2 and the top end of the sampling tube are connected through a connecting piece 4.
In this embodiment, the connecting member 4 may be a detachable connecting member 4, such as a spring buckle made of stainless steel or plastic; non-removable connectors 4, such as tabs; the preferred spring clip that adopts of this embodiment can install the spring clip in the junction on sampling pipe top, based on this, is connected with the end of pulling of tape 2 through the spring clip detachable to when the sampling pipe of the tape 2 or the different specifications of different length that need be changed, thereby can change by very convenient realization dismantlement.
With reference to fig. 3 and 4, the storage assembly 3 is further described, the storage assembly 3 comprising:
a first housing 31;
a second housing 32 fixedly assembled with the first housing 31, and a storage position is arranged between the first housing 31 and the second housing 32;
a storage rotating shaft, two ends of which are respectively connected to the first shell 31 and the second shell 32 in a rotating manner and are located in the storage position, wherein the storage end of the tape 2 is connected to the storage rotating shaft;
and a driving member 33 disposed outside the first casing 31 or the second casing 32 for driving the storage rotation shaft to rotate so as to drive the tape 2 to be wound around the storage rotation shaft or to be unwound from the storage rotation shaft.
In this embodiment, the first housing 31 and the second housing 32 have substantially the same structure, the upper ends of the first housing 31 and the second housing 32 may be square housings with openings, and the openings of the first housing 31 and the second housing 32 correspond to each other and form a hand-held opening, so that a worker can conveniently hold the hand; the lower ends of the first shell 31 and the second shell 32 can be cross-shaped shells, and the first shell 31 and the second shell 32 can be stably assembled by arranging threaded openings and screws at the corner positions of the square shells and the corner positions of the cross-shaped shells for fixing and matching.
Note that a gap is left between the first case 31 and the second case 32 and serves as a storage position for storing the tape 2; for the function of accomodating the flexible rule 2, set up in the intermediate position of two cross shells and accomodate the pivot, with the end of accomodating of flexible rule 2 fixed in accomodating the pivot, then drive through driving piece 33 and accomodate the pivot and just reverse rotation, can interlock flexible rule 2 winding in order to realize accomodating in accomodating the pivot, perhaps make flexible rule 2 release from accomodating the pivot and go out, on the basis of this, when control sampling tube gathered the sample, can interlock sampling tube reciprocate.
More specifically, the accommodating rotation shaft includes:
an inner shaft 34 for winding the storage end of the tape 2;
and a collar 35 sleeved on the inner shaft 34 to fix the receiving end of the tape 2 on the inner shaft 34.
In this embodiment, the receiving end of the tape 2 is clamped between the inner shaft 34 and the collar 35 by the sleeve fit of the inner shaft 34 and the collar 35; it can be understood that, here only need to fix the storage end of the tape 2 on the storage rotating shaft, and the storage end of the tape 2 can be directly adhered on the storage rotating shaft in an adhesive manner.
In one embodiment, the driving member 33 is one of a hand crank and a driving motor; the driving part 33 is connected with the storage rotating shaft, and the storage rotating shaft can be driven to rotate synchronously by rotating the driving part 33, so that the tape 2 is controlled to be stored or released.
While the utility model has been described with reference to specific embodiments, the utility model is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the utility model. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A sample collection device for well flushing of a groundwater monitoring well, comprising:
the sampling tube (1) is provided with a sample inlet (11) at the bottom end, and a movable ball which is blocked at the sample inlet (11) under the action of gravity is arranged in the sampling tube;
the traction end of the flexible ruler (2) is connected to the top end of the sampling tube (1);
and the storage assembly (3) is connected with the storage end of the flexible rule (2) and is used for storing and releasing the flexible rule (2).
2. A sample collection device for a groundwater monitoring well wash as claimed in claim 1, wherein: the surface of the flexible rule (2) is provided with a corrosion-resistant coating.
3. A sample collection device for a groundwater monitoring well wash as claimed in claim 1, wherein: the traction end of the flexible rule (2) is connected with the top end of the sampling tube (1) through a connecting piece (4).
4. A sample collection device for a groundwater monitoring well wash according to claim 1, wherein the receiving assembly (3) comprises:
a first housing (31);
the second shell (32) is fixedly assembled with the first shell (31), and a containing position is arranged between the first shell (31) and the second shell (32);
the two ends of the containing rotating shaft are respectively and rotatably connected to the first shell (31) and the second shell (32) and are positioned in the containing positions, and the containing end of the tape (2) is connected to the containing rotating shaft;
and the driving part (33) is arranged on the outer side of the first shell (31) or the second shell (32) and is used for driving the accommodating rotating shaft to rotate so as to link the tape (2) to be wound on the accommodating rotating shaft or be discharged from the accommodating rotating shaft.
5. A sample collection device for a groundwater monitoring well flushing according to claim 4, wherein the receiving spindle comprises:
an inner shaft (34) for winding the storage end of the tape (2);
the lantern ring (35) is sleeved on the inner shaft (34) so as to fix the accommodating end of the tape (2) on the inner shaft (34).
6. A sample collection device for a groundwater monitoring well wash as claimed in claim 4, wherein: the driving piece (33) is one of a hand-operated rotating handle and a driving motor.
7. A sample collection device for a groundwater monitoring well wash as claimed in claim 1, wherein: the upper end of the storage assembly (3) is provided with a handheld opening.
8. A sample collection device for a groundwater monitoring well wash as claimed in claim 1, wherein: the length of the flexible rule (2) is 10-30 m.
9. A sample collection device for a groundwater monitoring well wash as claimed in claim 1, wherein: the outer wall of the sampling pipe (1) is provided with a length scale mark position (12).
10. A sample collection device for a groundwater monitoring well wash as claimed in claim 1, wherein: the outer wall of the sampling pipe (1) is provided with a volume scale mark position (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123411881.0U CN216746921U (en) | 2021-12-31 | 2021-12-31 | Sample collecting device for well washing of underground water monitoring well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123411881.0U CN216746921U (en) | 2021-12-31 | 2021-12-31 | Sample collecting device for well washing of underground water monitoring well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216746921U true CN216746921U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123411881.0U Active CN216746921U (en) | 2021-12-31 | 2021-12-31 | Sample collecting device for well washing of underground water monitoring well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216746921U (en) |
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2021
- 2021-12-31 CN CN202123411881.0U patent/CN216746921U/en active Active
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