CN111896332A - Quantitative sampling device for water quality detection - Google Patents
Quantitative sampling device for water quality detection Download PDFInfo
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- CN111896332A CN111896332A CN202010718582.2A CN202010718582A CN111896332A CN 111896332 A CN111896332 A CN 111896332A CN 202010718582 A CN202010718582 A CN 202010718582A CN 111896332 A CN111896332 A CN 111896332A
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- peripheral side
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a quantitative sampling device for water quality detection, and relates to the technical field of sampling equipment. The invention comprises a sampling assembly; and a stationary tube; the inner wall of the fixed pipe is connected with a slide bar in a sliding way; a plurality of movable plates are matched on the peripheral side surface of the fixed pipe; the peripheral side surface of the movable plate is movably connected with a screw rod; a plurality of sliding blocks are in sliding fit with the peripheral side surface of the screw rod; the lower end of the sliding block is detachably arranged with the sampling assembly; the lower end of the sliding block is matched with a cross rod; the cross bar and the slide bar are detachably mounted; the peripheral side surface of the movable plate is provided with a plurality of threaded holes; the sampling assembly comprises a cylinder body with scales; the inner wall of the cylinder body is matched with a push rod; one end of the push rod is fixed with a piston; the bottom end of the fixed pipe is provided with a sealing structure. The invention solves the problems that the existing sampling equipment is difficult to simultaneously sample different depths and different areas of a water body and has low sampling efficiency by the action of the fixed pipe, the slide rod, the movable plate, the screw rod, the slide block, the sampling assembly and the cross rod.
Description
Technical Field
The invention belongs to the technical field of sampling equipment, and particularly relates to a quantitative sampling device for water quality detection.
Background
With the development of social economy, scientific progress and improvement of the living standard of people, the requirements of people on the water quality of drinking water are continuously improved, and the water quality standard of the drinking water is correspondingly continuously developed and improved. The water quality detection is a process of measuring the types of pollutants in the water body, the concentrations and the variation trends of various pollutants and evaluating the water quality condition; with the increasing population of China and the rapid increase and expansion of the number and the scale of cities, various water quality problems become more serious day by day, which greatly affects the health of people, so that the water quality needs to be detected frequently.
The existing water quality detection generally comprises the steps that after people work to a target area, sampling equipment is held in a water body for sampling; the mode generally does not carry out stratified sampling on water, is difficult to simultaneously sample different depths and different areas of the water body, and has the defects of low sampling efficiency, influence on the accuracy of detection and incapability of detecting the water bodies at different depths.
Disclosure of Invention
The invention aims to provide a quantitative sampling device for water quality detection, which solves the problems that the existing sampling equipment is difficult to simultaneously sample different depths and different areas of a water body and has low sampling efficiency under the action of a fixed pipe, a slide rod, a movable plate, a screw rod, a slide block, a sampling assembly and a cross rod.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a quantitative sampling device for water quality detection, which comprises a sampling assembly and a fixed pipe; the inner wall of the fixed pipe is connected with a sliding rod in a sliding manner; a plurality of movable plates are matched on the peripheral side surface of the fixed pipe; the peripheral side surface of the movable plate is movably connected with a screw rod; a plurality of sliding blocks are in sliding fit with the peripheral side surface of the screw rod; the lower end of the sliding block is detachably mounted with the sampling assembly; the lower end of the sliding block is matched with a cross rod; the cross bar and the sliding rod are detachably mounted; a plurality of threaded holes are formed in the peripheral side surface of the movable plate; the sampling assembly comprises a cylinder body with scales; the inner wall of the cylinder body is matched with a push rod; and a piston is fixed at one end of the push rod.
Further, the bottom end of the fixed pipe is provided with a sealing structure; distance scales are arranged on the peripheral side face of the fixed pipe; a limit groove is formed in the peripheral side face of the fixed pipe.
Furthermore, the bottom of the fixed pipe is fixedly connected with a limiting plate through a fixed column; the upper surface of the limiting plate is matched with a plurality of balancing weights.
Furthermore, mounting holes are arrayed on the peripheral side of the sliding rod; the top of the sliding rod is fixedly connected with a pressing plate.
Furthermore, one end of the screw rod is in threaded connection with a nut A and is matched with the opening of the threaded hole; a pair of nuts B are matched on the peripheral side surface of the screw rod; a guide groove is formed in the peripheral side face of the screw rod.
Further, the sliding block is of an annular plate structure; the inner wall of the sliding block is fixedly connected with a guide block; both ends of the guide block are matched with the screw B; the lower end of the sliding block is fixedly connected with an installation frame; the guide block is in sliding fit with the inner wall of the guide groove.
Further, a pair of guide rods is fixedly installed at the bottom of the mounting rack; the side surface of the guide rod is provided with a thread section and is matched with a nut.
Furthermore, an extension spring is matched on the peripheral side surface of the guide rod and is matched with the lower surface of the nut.
Furthermore, one end of the cross rod is fixed with the sliding rod; the other end of the cross rod is provided with a plurality of pairs of sliding holes; the inner wall of the sliding hole is connected with the guide rod in a sliding manner; a cover body is fixedly arranged between the pair of sliding holes; the inner wall of the cover body is provided with a water outlet pipe which is matched with a sealing cover.
The invention has the following beneficial effects:
1. according to the invention, the upper surface of the limiting plate is matched with the plurality of balancing weights, and the balancing weights are increased or decreased as required, so that the fixed pipe is conveniently sunk into water for sampling, and the phenomenon that the device is too large in buoyancy and not easy to sink to a preset depth for sampling is avoided.
2. According to the invention, the peripheral side surface of the guide rod is matched with the extension spring, the fixed pipe is vertically placed to a preset depth and then the pressing plate is pressed downwards, the pressing plate drives the cross rod and the cover body to move downwards to be opened, a water sample enters the barrel body to be filled, the cover body of the pressing plate is loosened to seal the barrel body, and a quantitative water sample is taken; can get a plurality of water samples simultaneously like this, improve sampling efficiency.
3. According to the invention, one end of the cross rod is fixed with the slide rod, when the fixed pipe is vertically placed in water, different cross rods are fixed in different mounting holes, so that the sampling assembly can be fixed in water at different depths, and water bodies at different depths can be sampled conveniently at the same time; and water samples in different areas are taken by adjusting the position of the guide block.
4. According to the invention, the water outlet pipe is arranged on the inner wall of the cover body and is matched with the sealing cover, after a water sample with a preset volume is taken, the sampling assembly is taken down, and the water sample can be led out by pulling out the sealing cover, so that the water quality is detected.
5. According to the invention, the push rod is matched with the inner wall of the cylinder body, and the cylinder body and the push rod can be in threaded connection, so that the piston is not easy to move after the position of the piston is adjusted, and the measurement volume is influenced; be provided with apart from the scale through fixed pipe week side, be convenient for adjust the distance between the different sampling component according to actual need, be convenient for get the water sample of the different degree of depth.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a quantitative sampling device for water quality detection according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is an enlarged view of a portion of FIG. 1 at C;
in the drawings, the components represented by the respective reference numerals are listed below:
1-fixed tube, 2-slide bar, 3-movable plate, 4-screw rod, 5-slide block, 6-sampling component, 7-cross bar, 101-limit groove, 102-limit plate, 103-counterweight block, 201-mounting hole, 202-pressing plate, 301-threaded hole, 401-nut A, 402-nut B, 403-guide groove, 501-guide block, 502-mounting frame, 503-guide rod, 504-nut, 505-extension spring, 601-cylinder, 602-push rod, 603-piston, 701-slide hole, 702-cover, 703-water outlet tube, 704-sealing cover.
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-4, the present invention is a quantitative sampling device for water quality detection, comprising a sampling assembly 6 and a fixed tube 1; the inner wall of the fixed tube 1 is connected with a slide bar 2 in a sliding way; a plurality of movable plates 3 are matched on the peripheral side surface of the fixed tube 1; the peripheral side surface of the movable plate 3 is movably connected with a screw rod 4; a plurality of sliding blocks 5 are matched with the peripheral side surface of the screw rod 4 in a sliding way; the lower end of the sliding block 5 is detachably mounted with the sampling assembly 6, so that the sliding block is convenient to disassemble and assemble, and the sampling assembly 6 can be disassembled after sampling is finished to lead out a water sample; the lower end of the sliding block 5 is matched with a cross rod 7; the cross bar 7 and the slide bar 2 are detachably mounted;
a plurality of threaded holes 301 are formed in the peripheral side surface of the movable plate 3; the sampling assembly 6 comprises a cylinder 601 with scales, so that a certain amount of water body samples can be measured conveniently; the push rod 602 is matched with the inner wall of the cylinder 601, and the cylinder 601 and the push rod 602 can be in threaded connection, so that the piston 603 is not easy to move after being adjusted, and the measurement volume is influenced; a piston 603 is fixed to one end of the push rod 602.
Preferably, as shown in fig. 1 and 2, the bottom end of the fixed pipe 1 is a sealing structure; distance scales are arranged on the peripheral side surface of the fixed tube 1, so that the distances between different sampling assemblies 6 can be conveniently adjusted according to actual needs, and water samples with different depths can be conveniently taken; the side surface of the fixed tube 1 is provided with a limit groove 101 for facilitating the sliding of the cross rod 7.
Preferably, as shown in fig. 1 and 2, the bottom of the fixed pipe 1 is fixedly connected with a limiting plate 102 through a fixed column; limiting plate 102 upper surface cooperation has a plurality of balancing weights 103, increases and decreases as required, and the fixed pipe 1 of being convenient for sinks to take a sample in the water, avoids device buoyancy too big to be difficult for sinking the predetermined degree of depth and takes a sample.
Preferably, as shown in fig. 1, the slide bar 2 has mounting holes 201 arrayed on the peripheral side; the top of the slide bar 2 is fixedly connected with a pressing plate 202.
Preferably, as shown in fig. 1 and 3, one end of the screw rod 4 is in threaded connection with a nut a401 and is matched with the opening of the threaded hole 301; a pair of nuts B402 are matched on the peripheral side surface of the screw rod 4; the peripheral side of the screw rod 4 is provided with a guide groove 403.
Preferably, as shown in fig. 1 and 3, the sliding block 5 is of an annular plate structure; the inner wall of the sliding block 5 is fixedly connected with a guide block 501 for guiding the movement; both ends of the guide block 501 are matched with a nut B402; the lower end of the slide block 5 is fixedly connected with a mounting rack 502; the guide block 501 is in sliding fit with the inner wall of the guide groove 403.
Preferably, as shown in fig. 1 and 3, a pair of guide rods 503 are fixedly mounted at the bottom of the mounting frame 502; the peripheral side surface of the guide rod 503 is provided with a threaded section and is matched with a nut 504.
Preferably, as shown in fig. 1 and 3, an extension spring 505 is fitted on the peripheral side surface of the guide rod 503 and fitted with the lower surface of the nut 504, so that the position of the nut 504 can be adjusted according to the type of the extension spring 505, and the cover 702 can be well fitted with the cylinder 601; adjust the position of slider 5 and the distance between the different horizontal poles 7 during the use to adjust the rigidity of required volume with push rod 602, then with the vertical predetermined degree of depth of putting of fixed pipe 1, down press pressing plate 202 this moment, press pressing plate 202 drives horizontal pole 7 and lid 702 downstream and opens, water sample entering barrel 601 is filled up this moment, unclamp press pressing plate 202 lid 702 and seal barrel 601, get quantitative water sample.
Preferably, as shown in fig. 1 and 4, one end of the cross rod 7 is fixed with the slide rod 2, when the fixed pipe 1 is vertically placed in water, the sampling assembly 6 can be fixed in water at different depths by fixing different cross rods 7 in different mounting holes 201, so that water bodies at different depths can be sampled simultaneously; by adjusting the position of the guide block 501, the sampling assembly 6 is adjusted in different areas, and water samples in different depths and different areas can be simultaneously obtained; the other end of the cross bar 7 is provided with a plurality of pairs of sliding holes 701; the inner wall of the slide hole 701 is connected with the guide rod 503 in a sliding way; a cover 702 is fixedly installed between the pair of slide holes 701; a sealing gasket is fixed on the inner wall of the cover body 702; the inner wall of the cover body 702 is provided with a water outlet pipe 703 which is matched with a sealing cover 704, after a water sample with a preset volume is taken, the sampling component 6 is taken down, and the water sample can be led out by pulling out the sealing cover 704, so that the water quality is detected.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. A quantitative sampling device for water quality detection comprises a sampling component (6); the method is characterized in that:
also comprises a fixed tube (1); the inner wall of the fixed pipe (1) is connected with a sliding rod (2) in a sliding manner;
a plurality of movable plates (3) are matched on the peripheral side surface of the fixed pipe (1); the peripheral side surface of the movable plate (3) is movably connected with a screw rod (4); a plurality of sliding blocks (5) are matched on the peripheral side surface of the screw rod (4) in a sliding manner;
the lower end of the sliding block (5) is detachably arranged with the sampling assembly (6); the lower end of the sliding block (5) is matched with a cross rod (7); the cross rod (7) and the sliding rod (2) are detachably mounted;
a plurality of threaded holes (301) are formed in the peripheral side surface of the movable plate (3);
the sampling assembly (6) comprises a cylinder body (601) with scales; a push rod (602) is matched with the inner wall of the cylinder body (601); and a piston (603) is fixed at one end of the push rod (602).
2. The quantitative sampling device for water quality detection according to claim 1, wherein the bottom end of the fixed pipe (1) is provided with a sealing structure;
distance scales are arranged on the peripheral side surface of the fixed pipe (1);
a limit groove (101) is formed in the peripheral side face of the fixing pipe (1).
3. A quantitative sampling device for water quality detection according to claim 1 or 2, characterized in that the bottom of the fixed tube (1) is fixedly connected with a limit plate (102) through a fixed column; the upper surface of the limiting plate (102) is matched with a plurality of balancing weights (103).
4. A quantitative sampling device for water quality detection according to claim 3, characterized in that the slide bar (2) is provided with mounting holes (201) in an array on the peripheral side; the top of the sliding rod (2) is fixedly connected with a pressing plate (202).
5. The quantitative sampling device for water quality detection according to claim 1, 2 or 4, wherein one end of the screw rod (4) is in threaded connection with a nut A (401) and is matched with the opening of the threaded hole (301); a pair of nuts B (402) are matched on the peripheral side surface of the screw rod (4); a guide groove (403) is formed in the peripheral side face of the screw rod (4).
6. A quantitative sampling device for water quality detection according to claim 5, characterized in that the slide block (5) is of an annular plate structure;
the inner wall of the sliding block (5) is fixedly connected with a guide block (501);
both ends of the guide block (501) are matched with a nut B (402); the lower end of the sliding block (5) is fixedly connected with a mounting rack (502);
the guide block (501) is in sliding fit with the inner wall of the guide groove (403).
7. A quantitative sampling device for water quality detection according to claim 6, characterized in that a pair of guide rods (503) are fixedly installed at the bottom of the mounting frame (502); the side surface of the guide rod (503) is provided with a thread section and is matched with a nut (504).
8. A quantitative sampling device for water quality test as claimed in claim 7, characterized in that the peripheral side of the guide rod (503) is fitted with a tension spring (505) and is fitted with the lower surface of the nut (504).
9. The quantitative sampling device for water quality detection according to claim 1, 7 or 8, wherein one end of the cross bar (7) is fixed with the slide bar (2);
the other end of the cross rod (7) is provided with a plurality of pairs of sliding holes (701); a cover body (702) is fixedly arranged between the pair of sliding holes (701);
the inner wall of the cover body (702) is provided with a water outlet pipe (703) which is matched with a sealing cover (704).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010718582.2A CN111896332A (en) | 2020-07-23 | 2020-07-23 | Quantitative sampling device for water quality detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010718582.2A CN111896332A (en) | 2020-07-23 | 2020-07-23 | Quantitative sampling device for water quality detection |
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| Publication Number | Publication Date |
|---|---|
| CN111896332A true CN111896332A (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010718582.2A Withdrawn CN111896332A (en) | 2020-07-23 | 2020-07-23 | Quantitative sampling device for water quality detection |
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| Country | Link |
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| CN (1) | CN111896332A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630402A (en) * | 2021-01-13 | 2021-04-09 | 邹可可 | Multi-parameter multi-sampling water quality analysis equipment |
-
2020
- 2020-07-23 CN CN202010718582.2A patent/CN111896332A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630402A (en) * | 2021-01-13 | 2021-04-09 | 邹可可 | Multi-parameter multi-sampling water quality analysis equipment |
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Application publication date: 20201106 |
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| WW01 | Invention patent application withdrawn after publication |