CN211042848U - Improved structure of multi-depth water sampling device - Google Patents
Improved structure of multi-depth water sampling device Download PDFInfo
- Publication number
- CN211042848U CN211042848U CN201922141185.9U CN201922141185U CN211042848U CN 211042848 U CN211042848 U CN 211042848U CN 201922141185 U CN201922141185 U CN 201922141185U CN 211042848 U CN211042848 U CN 211042848U
- Authority
- CN
- China
- Prior art keywords
- supporting cylinder
- sampling
- sampling device
- fixed
- positioning
- 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.)
- Active
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a water sampling device, in particular to an improved structure of a multi-depth water sampling device; belongs to an environment-friendly monitoring and sampling device. It comprises a sampler and a depth adjusting device; the sampler consists of a sampling tube (4), a piston (5) and a piston rod (2), the depth adjusting device consists of a cylindrical supporting cylinder which is formed by oppositely fixing two semi-cylinders (1), and a plurality of positioning grooves (6) corresponding to the positions are distributed on the joint surface of the two semi-cylinders (1); the positioning ring (3) is fixed on the top surface of the sampling tube (4), the edges of two sides of the positioning ring are respectively provided with a positioning lug (9) which protrudes outwards and is matched with the positioning grooves (6) on two sides, and the sampler is fixed in the supporting cylinder through the positioning ring (3); a pull rope is fixed on the piston rod (2). The utility model discloses simple structure, sampling and convenient to carry, sampling data are accurate, are a water sampling device of adjustable sampling depth.
Description
Technical Field
The utility model relates to a water sampling device especially relates to a water sampling device of adjustable sampling depth, belongs to environmental protection monitoring sampling device.
Background
The hydrological, chemical, biological and other information of different water layers have difference, and the difference is an important characterization of water body characteristics and is also an important basic data material for developing various researches. Therefore, accurate positioning in the water sample collection process is the key for realizing sampling in a specific depth range, and the method has important significance for acquiring scientific water quality monitoring data and guiding environmental investigation and environmental remediation.
For this reason, the utility model patents entitled "multi-depth water layer water quality sampler (CN 204405374U)", "a sampling depth range adjustable water sample collector (CN 208568380U)" disclose respectively that can realize the device of multi-depth collection water sample, though can realize accurate location, avoid the water of different water layers to mix, nevertheless the structure is complicated, complex operation, and is not portable.
Disclosure of Invention
In order to overcome the above-mentioned defect that exists among the prior art, the utility model aims at providing a simple structure, operation and convenient to carry's many degree of depth water sampling device improves structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme: it comprises a sampler and a depth adjusting device; the sampler comprises a needle-tube-shaped sampling tube, a piston positioned in the sampling tube, a piston rod fixedly connected with the piston into a whole, and a positioning ring fixed at a tube orifice at the top end of the sampling tube, and the depth adjusting device comprises a cylindrical supporting cylinder with through holes at two ends; the supporting cylinder is formed by the involution and fixation of two semi-cylinders, and a plurality of positioning grooves corresponding to the positions are uniformly distributed on the combination surface of the two semi-cylinders; the left side edge and the right side edge of the positioning ring are respectively provided with a positioning lug which protrudes outwards and is matched with the positioning grooves at the two sides, and the sampler is fixed in the supporting cylinder through the two positioning lugs; the pull rope fixed on the piston rod passes through the through hole positioned at the top of the supporting cylinder and extends upwards.
The two semi-cylinders are fixedly connected through a hinge and a buckle mechanism; a plurality of water through holes are distributed on the surface of the supporting cylinder; the bottom of the supporting cylinder is fixed with spike teeth.
Compared with the prior art, the utility model discloses owing to adopted above-mentioned technical scheme, consequently have following advantage:
1) the needle-shaped or plunger-shaped sampler is adopted, so that the sampling operation is convenient, the mixing of water bodies at different depths can be avoided, and the accuracy and reliability of water body samples are ensured;
2) the sampler is fixed in the support cylinder with scales through the positioning ring, so that the sampling depth adjustment and the accurate positioning can be realized, the sampling data accuracy is ensured, and the sampler can be prevented from being damaged by the impact of hard objects in the sinking process;
3) the surface of the supporting cylinder is provided with a plurality of limber holes, so that the impact of water flow on the supporting cylinder can be reduced, the inclination or the displacement can be avoided, and the accurate sampling data caused by the fact that the upper-layer water body enters from the bottom of the supporting cylinder can be avoided;
4) the bottom of the supporting cylinder is provided with the nail, so that the supporting cylinder can be prevented from being deflected or displaced due to the impact of water flow, and the sampling depth and the sampling position are not accurate;
5) the supporting cylinder also has the functions of containing and protecting the sampler, and is convenient for carrying in field operation.
To sum up, the utility model has the advantages of simple structure, sampling and convenient to carry, sampling data are accurate.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic perspective view of the support tube of the present invention.
In the figure: the sampling device comprises a semi-cylinder 1, a piston rod 2, a positioning ring 3, a sampling tube 4, a piston 5, a positioning groove 6, spike teeth 7, a through hole 8 and a positioning lug 9.
Detailed Description
The invention will be further described with reference to the following drawings and specific examples:
as shown in fig. 1 to 3, the sampler comprises a sampling tube 4 in the shape of a needle tube, a piston 5 located in the sampling tube, a piston rod 2 fixedly connected with the piston into a whole, and a positioning ring 3 fixed at a pipe orifice at the top end of the sampling tube 4, wherein the top end of the piston rod 2 upwards penetrates through the positioning ring 3. The depth adjusting device is composed of a cylindrical supporting cylinder with through holes 8 at two ends, the supporting cylinder is formed by oppositely fixing two semi-cylinders 1, a plurality of positioning grooves 6 with corresponding positions are uniformly distributed on the combination surface of the two semi-cylinders 1, and scales (not shown in the figure) are marked beside each positioning groove. The left side edge and the right side edge of the positioning ring 3 are respectively provided with a positioning lug 9 which protrudes outwards, and each positioning lug 9 is matched with the positioning groove 6 on the corresponding side. The sampler is fixed in the supporting cylinder through two positioning lugs 9, and a pull rope (not marked in the figure) which extends outwards and upwards passes through a through hole 8 at the top of the supporting cylinder is fixed on the piston rod 2. The positioning ring 3 can limit the movement stroke of the piston 5, prevent the piston 5 from falling off from the sampling tube 4 and position the sampling tube 4 in the support cylinder; the matching position of the positioning ring 3 and each positioning groove 6 is changed by contrasting the scales, so that the high and low positions of the sampler in the supporting cylinder can be adjusted, and the sampling depth is adjusted.
In order to fix the sampling tube 4 in the supporting cylinder by the positioning ring 3, the two half cylinders 1 can be connected by a hinge (not shown in the figure) and locked and fixed by a buckle mechanism (not shown in the figure) fixed on the two half cylinders 1; obviously, the two half cylinders 1 can also be connected and fixed by fixing elements such as bolts, hoops and the like.
In order to slow down the impact of water flow on the supporting cylinder, avoid the supporting cylinder from inclining or falling down and avoid the upper water body and the lower water body from entering the sampling pipe 4 through the through hole 8 at the lower part of the supporting cylinder during sampling, a plurality of water through holes (not marked in the figure) are distributed on the surface of the supporting cylinder.
In order to increase the stability of the supporting cylinder in water, at least three spike teeth 7 are fixed at the bottom of the supporting cylinder.
When the sampler is used, the sampler is positioned in the positioning groove 6 of one of the semi-cylinders 1 through the positioning ring 3, the other semi-cylinder 1 is buckled, and the two semi-cylinders 1 are locked and fixed through the buckling mechanism to form a cylindrical supporting cylinder; the device is vertically sunk to the water bottom, and water body sampling can be carried out through the pull rope; after the sampling pipe 4 is full of water, the whole device is lifted out of the water through the pull rope, the protective sleeve is opened, and the water in the sampling pipe 4 is injected into the collecting container.
Claims (6)
1. An improved structure of a multi-depth water body sampling device comprises a sampler and a depth adjusting device; the method is characterized in that: the sampler consists of a needle-tube-shaped sampling tube (4), a piston (5) positioned in the sampling tube, a piston rod (2) fixedly connected with the piston into a whole, and a positioning ring (3) fixed at a tube orifice at the top end of the sampling tube (4); the depth adjusting device is composed of a cylindrical supporting cylinder with through holes (8) at two ends, the supporting cylinder is formed by oppositely fixing two semi-cylinders (1), and a plurality of positioning grooves (6) with corresponding positions are uniformly distributed on the combination surface of the two semi-cylinders (1); the left side edge and the right side edge of the positioning ring (3) are respectively provided with a positioning lug (9) which protrudes outwards and is matched with the positioning grooves (6) at the two sides, and the sampler is fixed in the supporting cylinder through the two positioning lugs (9); the pull rope fixed on the piston rod (2) passes through the through hole (8) positioned at the top of the supporting cylinder and extends upwards.
2. The improved structure of the multi-depth water sampling device of claim 1, wherein: the two half cylinders (1) are fixedly connected through a hinge and a buckle mechanism.
3. The improved structure of the multi-depth water sampling device according to claim 1 or 2, wherein: the surface of the supporting cylinder is distributed with a plurality of limber holes.
4. The improved structure of the multi-depth water sampling device according to claim 1 or 2, wherein: the bottom of the supporting cylinder is fixed with spike teeth (7).
5. The improved structure of the multi-depth water sampling device of claim 3, wherein: the bottom of the supporting cylinder is fixed with spike teeth (7).
6. The improved structure of the multi-depth water sampling device of claim 3, wherein: the outer wall of the supporting cylinder is marked with scales.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922141185.9U CN211042848U (en) | 2019-12-04 | 2019-12-04 | Improved structure of multi-depth water sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922141185.9U CN211042848U (en) | 2019-12-04 | 2019-12-04 | Improved structure of multi-depth water sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211042848U true CN211042848U (en) | 2020-07-17 |
Family
ID=71559395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922141185.9U Active CN211042848U (en) | 2019-12-04 | 2019-12-04 | Improved structure of multi-depth water sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211042848U (en) |
-
2019
- 2019-12-04 CN CN201922141185.9U patent/CN211042848U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102692340A (en) | Multi-depth rotating-wheel closed sampler and method thereof | |
| CN208488051U (en) | It is a kind of to survey deeply and visit silt integrated apparatus | |
| CN211042848U (en) | Improved structure of multi-depth water sampling device | |
| CN215065378U (en) | Geotechnical engineering reconnaissance is with convenient sampling device | |
| CN114910291A (en) | Soil sampling device for agricultural detection | |
| CN109060405A (en) | A kind of soil investigation sampling mid-deep strata soil layering sampler | |
| CN111103168A (en) | Layered sampling equipment for soil detection | |
| CN211042816U (en) | Water sampling device capable of adjusting sampling depth | |
| CN211904685U (en) | Layered sampling equipment for soil detection | |
| CN215004374U (en) | Hydraulic engineering foundation soil experiment sampling device | |
| CN106680055B (en) | Multifunctional soft clay hollow cylinder sample preparation device and sample preparation method | |
| CN215414462U (en) | Sample sampling device for geological survey | |
| CN210603992U (en) | Soil sampling device is used in map charting and geographic information engineering teaching | |
| CN212180311U (en) | Soil sampling device is used in engineering reconnaissance design | |
| CN216205867U (en) | Pavement thickness detection device | |
| CN216050793U (en) | Soil extraction element is used in engineering geology reconnaissance | |
| CN213364294U (en) | Soil sampler for soil water content measurement experiment | |
| CN213239535U (en) | Mechanical separation ground device that civil engineering sampling was used | |
| CN210005287U (en) | Portable underground water level measuring and sampling device | |
| CN208366651U (en) | A kind of soil investigation sampling mid-deep strata soil layering sampler | |
| CN220795213U (en) | Land remediation engineering detection device | |
| CN213397691U (en) | Soil sampler with adjustable depth | |
| CN214149955U (en) | Undisturbed columnar sampling device suitable for shallow water river and lake sediments | |
| CN209927499U (en) | Soil humiture and conductivity detection device | |
| CN210719758U (en) | Portable sampler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |