CN110887699B - Water layering accurate sampling device - Google Patents
Water layering accurate sampling device Download PDFInfo
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- CN110887699B CN110887699B CN201911095834.4A CN201911095834A CN110887699B CN 110887699 B CN110887699 B CN 110887699B CN 201911095834 A CN201911095834 A CN 201911095834A CN 110887699 B CN110887699 B CN 110887699B
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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
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Abstract
The invention discloses a water layering accurate sampling device, and relates to the technical field of water sampling. The invention comprises a fixing plate; the fixed plate is connected with a plurality of sampling plates through fixed rods; the sampling plate is rotatably connected with a connecting shaft; one end of the connecting shaft is fixed with the bottle body clamp, the end surface of the other end of the connecting shaft is fixed with the worm wheel, and the peripheral side surface of the connecting shaft is fixed with the strip-shaped plate; the surface of the sampling plate is provided with an arc-shaped notch with the circle center eccentrically arranged with the rotation center of the connecting shaft in the vertical direction; the sampling plate is rotatably connected with a worm meshed with the worm wheel; the strip-shaped plate is connected with a stud in a sliding way through a straight notch; one end of the stud is connected with a bottle stopper clamp which is concentric with the bottle body clamp. According to the invention, the fixed rod is connected with the plurality of sampling plates, so that the sampling depth can be accurately controlled, and the problem that the sampling depth is difficult to control is solved; the bottle stopper and the bottle body can be opened and closed through the bottle body clamp and the bottle stopper clamp which synchronously rotate on the sampling plate; the problem of the water sample in the sampling bottle easily with the air contact, influence the testing result is solved.
Description
Technical Field
The invention belongs to the technical field of water body sampling, and particularly relates to a water body layering accurate sampling device.
Background
Water quality monitoring usually needs to sample the water, in order to react the pollution condition of water, generally requires to carry out layering depthkeeping sample to the water. The sampling bottle etc. is hung to current traditional water layering sampling instrument generally adopts the rope, uses the rope to put the sampling bottle appointed degree of depth in the water, and the rethread sampling bottle is to the water sample.
However, this kind of song mode sample, sampling device easily receive rivers to disturb, and the degree of depth of the difficult accurate control sample bottle of aquatic of flowing, simultaneously, after current sample bottle water intaking, can't realize sealed, after taking out the surface of water again, the water sample in the sample bottle and air contact lead to the material in the water sample to take place oxidation etc. to cause certain influence to the detection precision in later stage, lead to the testing result inaccurate.
Disclosure of Invention
The invention aims to provide a water layering accurate sampling device, which is characterized in that a plurality of sampling plates are connected through fixing rods, so that the sampling depth can be accurately controlled, and the problem that the conventional sampling depth is difficult to control is solved; the bottle stopper and the bottle body can be opened and closed through the bottle body clamp and the bottle stopper clamp which synchronously rotate on the sampling plate; the problem of the water sample in the current sample bottle easily with the air contact, influence the testing result is solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a water layering accurate sampling device, which comprises a fixing plate; the lower surface of the fixed plate is fixedly connected with fixed rods side by side and is connected with a plurality of sampling plates through the fixed rods; the lower surface of the fixed plate is rotatably connected with a rotating shaft; the upper end of the rotating shaft penetrates through the fixed plate and is fixedly connected with a rocking wheel;
shaft sleeves matched with the fixing rods are fixedly connected to the two sides of the sampling plate; the sampling plate is rotatably connected with a connecting shaft; one end of the connecting shaft is fixedly connected with a bottle body clamp; the other end of the connecting shaft penetrates through the sampling plate and is fixedly connected with a worm wheel; a strip-shaped plate is fixedly connected to the peripheral side face of one end, close to the worm wheel, of the connecting shaft;
the surface of the sampling plate is provided with an arc-shaped notch relative to the connecting shaft; the circle center of the arc-shaped notch and the rotation center of the connecting shaft are eccentrically arranged in the vertical direction; the side surface of the sampling plate is rotatably connected with a transmission shaft, and the peripheral side surface of the transmission shaft is fixedly connected with a worm meshed with a worm wheel;
a straight notch is formed in the side face of the strip-shaped plate, and a stud is connected in the straight notch in a sliding manner; one end of the stud is provided with a rectangular block matched with the straight notch; one end of the stud penetrates through the sampling plate through the arc-shaped notch and is fixedly connected with a bottle stopper clamp; the bottle stopper clamp and the bottle body clamp are arranged concentrically; a plurality of transmission shaft interconnect on the sampling plate, and the transmission shaft upper end of the top is connected with the pivot.
Furthermore, a plurality of transmission shafts on the sampling plate are connected with each other through connecting rods.
Furthermore, the side wall of the shaft sleeve is provided with a threaded through hole, and a screw is in threaded connection with the side wall of the shaft sleeve.
Furthermore, the fixed rod is formed by connecting a plurality of sections of supporting rods in sequence.
The invention has the following beneficial effects:
1. the sampling plates are fixedly connected, so that the positions of the sampling plates can be accurately controlled according to the sampling depth, and the sampling precision of the water body is improved.
2. According to the invention, the rotating shaft of the sampling plate is connected with the bottle body hoop, the strip-shaped plate and the stud synchronously drive the bottle plug hoop to rotate, the bottle plug and the bottle body are opened and closed in the rotating process under the action of the arc-shaped notch, the water sample in the sampling bottle is sealed, and the situation that the water sample taken out from the water surface is easy to contact with air and the detection result of the water sample is influenced is avoided.
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 water stratification precise sampling device according to the present invention;
FIG. 2 is a schematic rear view of the structure of FIG. 1;
FIG. 3 is a schematic structural diagram of a sampling plate;
FIG. 4 is a schematic structural diagram of a rear view of FIG. 3;
FIG. 5 is a schematic view of a stud;
in the drawings, the components represented by the respective reference numerals are listed below:
1-fixing plate, 2-sampling plate, 3-bottle body clamp, 4-worm wheel, 5-strip-shaped plate, 6-worm, 7-stud, 8-connecting rod, 9-sampling bottle, 10-bottle stopper, 101-fixing rod, 102-rotating shaft, 103-rocking wheel, 201-shaft sleeve, 202-arc notch, 203-driving shaft, 501-straight notch, 701-rectangular block and 702-bottle stopper clamp.
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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1 and 2, the present invention is a layered accurate water sampling device, which includes a fixed plate 1; the lower surface of the fixing plate 1 is welded with a fixing rod 101 side by side and is connected with a plurality of sampling plates 2 through the fixing rod 101.
Wherein, dead lever 101 is formed by connecting gradually a plurality of sections branch, and branch one end is the step shaft structure to set up the external screw thread, the screw thread blind hole of complex with it is seted up to another terminal surface of branch, make between a plurality of branches with the first connection, thereby more have the length that required sampling depth comes nimble adjustment dead lever 101.
The lower surface of the fixed plate 1 is rotatably connected with a rotating shaft 102; the upper end of the rotating shaft 102 penetrates through the fixing plate 1 and is fixedly connected with a rocking wheel 103, and the rotating shaft 102 can be conveniently rotated through the rocking wheel 103.
As shown in fig. 3-5, shaft sleeves 201 matched with the fixing rods 101 are welded on two sides of the sampling plates 2, threaded through holes are formed in the side walls of the shaft sleeves 201, screws are connected with the threaded through holes in a threaded manner, the sampling plates 2 can be fixed on the fixing rods 101 through the screws, the positions of the sampling plates 2 are determined according to sampling depths, and the sampling plates and the fixing rods 101 are fixed through the screws.
The surface of the sampling plate 2 is provided with a through hole which is rotatably connected with a connecting shaft through a bearing; one end of the connecting shaft is welded with a bottle body hoop 3; the other end of the connecting shaft penetrates through the sampling plate 2 and is welded with a worm wheel 4; the connecting axle is close to the welding of the week side of 4 one ends of worm wheel has bar shaped plate 5, and bar shaped plate 5 lies in sampling plate 2 with one side with worm wheel 4.
The surface of the sampling plate 2 is provided with an arc-shaped notch 202 opposite to the connecting shaft; the circle center of the arc-shaped notch 202 and the rotation center of the connecting shaft are eccentrically arranged in the vertical direction, namely, the circle center of the arc-shaped notch 202 and the rotation center of the connecting shaft are in the same vertical plane, and the circle center of the arc-shaped notch 202 is arranged above the rotation center of the connecting shaft, so that the distance between the lower end of the arc-shaped notch 202 and the connecting shaft is smaller than the distance between the upper end of the arc-shaped notch 202 and the connecting shaft.
The side surface of the sampling plate 2 is rotatably connected with a transmission shaft 203 through a bearing seat, and the peripheral side surface of the transmission shaft 203 is fixedly connected with a worm 6 meshed with a worm wheel 4; the sampling plates 2 are distributed up and down, the transmission shafts 203 on the sampling plates 2 are connected with each other through the connecting rods 8, and the upper ends of the transmission shafts 203 at the top are connected with the rotating shaft 102.
The transmission shaft 203, the connecting rod 8 and the rotating shaft 102 are connected through a coupling, so that the transmission shafts 203 on the plurality of sampling plates 2 can be driven to rotate simultaneously through the rocking wheel 103, and the worm 6 is used for driving the worm wheel 4 to rotate. More have the sample depth, transmission shaft 203 on the sampling plate 2 of the top also can be connected with pivot 102 through connecting rod 8 to be convenient for nimble control sampling plate 2's sample depth.
A straight notch 501 is formed in the side face of the strip-shaped plate 5 along the length direction, and a stud 7 is slidably connected in the straight notch 501; a rectangular block 701 matched with the straight notch 501 is welded on the peripheral side face of one end of the stud 7, so that the stud 7 can slide along the straight notch 501 and cannot rotate; one end of the stud 7 penetrates through the sampling plate 2 through the arc-shaped notch 202 and is fixedly connected with a bottle stopper hoop 702, and one end of the stud 7 penetrating through the sampling plate 2 is connected through a nut, so that the stud 7 is kept stable; the stopper clamp 702 is concentrically disposed with the body clamp 3.
As shown in fig. 3, the sampling bottle 9 is fixed on the bottle body clamp 3, the bottle mouth faces the bottle stopper clamp 702, the bottle stopper 10 is fixed on the bottle stopper clamp 702, and after the sampling plate 2 is placed to a specified depth, the rocking wheel 103 is rotated to rotate the worm wheel 4, so that the bottle body clamp 3 drives the sampling bottle 9 to rotate through the rotating shaft.
Simultaneously, rotate and drive strip shaped plate 5 and rotate, strip shaped plate 5 drives double-screw bolt 7 and removes, and double-screw bolt 7 is under the effect of arc notch 202 for bottle plug 10 is kept away from or is close to sample bottle 9.
Specifically, before the sample, sample bottle 9 is vertical placing, and the bottleneck is down, bottle plug 10 is located sample bottle 9 bottleneck this moment, make sample bottle 9 be encapsulated situation, after putting into the appointed degree of depth of water, make sample bottle 9 anticlockwise rotation through rocking wheel 103, because arc notch 202 upper end and pivot interval grow, consequently, make double-screw bolt 7 keep away from sample bottle 9 under arc notch 202 effect, thereby extract in making bottle plug 10 sample bottle 9, make water flow in sample bottle 9, accomplish the sample.
After the sample is accomplished, rock wheel 103 at the antiport for sample bottle 9 and bottle plug 10 rotate clockwise, when rotating vertical state, in sample bottle 9 bottleneck was filled in again to bottle plug 10, thereby realize the sealed to sample bottle 9, thereby ensure when sample bottle 9 takes out the surface of water after, the water sample in the bottle can not contact with the air, unclamp bottle clamp 3 and bottle plug clamp 702, take bottle plug 10 with sample bottle 9 and take off can.
The sampling bottle 9 and the bottle stopper 10 are opened and closed through the rotation of the rocking wheel 103, so that the sampling bottle 9 is opened at a specified depth for sampling, and the condition that water bodies with different depths enter the sampling bottle 9 in the water body placing process to influence the sampling precision is avoided; meanwhile, the sampling bottle 9 for sampling can be sealed, so that the situation that the water sample in the sampling bottle 9 is contacted with air to influence the subsequent detection result is avoided, and the sampling accuracy is greatly improved.
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 utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. Accurate sampling device of water layering, its characterized in that: comprises a fixed plate (1); the lower surface of the fixed plate (1) is fixedly connected with a fixed rod (101) side by side, and is connected with a plurality of sampling plates (2) through the fixed rod (101);
the lower surface of the fixed plate (1) is rotatably connected with a rotating shaft (102); the upper end of the rotating shaft (102) penetrates through the fixed plate (1) and is fixedly connected with a rocking wheel (103);
both sides of the sampling plate (2) are fixedly connected with shaft sleeves (201) matched with the fixed rod (101); the sampling plate (2) is rotatably connected with a connecting shaft; one end of the connecting shaft is fixedly connected with a bottle body clamp (3); the other end of the connecting shaft penetrates through the sampling plate (2) and is fixedly connected with a worm wheel (4); a strip-shaped plate (5) is fixedly connected to the peripheral side face of one end, close to the worm wheel (4), of the connecting shaft;
the surface of the sampling plate (2) is provided with an arc-shaped notch (202) relative to the connecting shaft; the circle center of the arc-shaped notch (202) and the rotation center of the connecting shaft are eccentrically arranged in the vertical direction; the side surface of the sampling plate (2) is rotatably connected with a transmission shaft (203), and the peripheral side surface of the transmission shaft (203) is fixedly connected with a worm (6) meshed with the worm wheel (4);
a straight notch (501) is formed in the side face of the strip-shaped plate (5), and a stud (7) is connected in the straight notch (501) in a sliding mode; one end of the stud (7) is provided with a rectangular block (701) matched with the straight notch (501); the other end of the stud (7) penetrates through the sampling plate (2) through the arc-shaped notch (202) and is fixedly connected with a bottle stopper clamp (702); the bottle stopper clamp (702) and the bottle body clamp (3) are arranged concentrically;
a plurality of transmission shafts (203) on the sampling plate (2) are connected with each other, and the upper end of the transmission shaft (203) at the top is connected with the rotating shaft (102).
2. The water body layering accurate sampling device of claim 1, characterized in that the transmission shafts (203) on a plurality of the sampling plates (2) are connected with each other through connecting rods (8).
3. The water layering accurate sampling device as claimed in claim 1, wherein the side wall of the shaft sleeve (201) is provided with a threaded through hole, and a screw is connected with the threaded through hole in a threaded manner.
4. The water body layering accurate sampling device as claimed in claim 1, wherein the fixing rod (101) is formed by connecting a plurality of sections of supporting rods in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911095834.4A CN110887699B (en) | 2019-11-11 | 2019-11-11 | Water layering accurate sampling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911095834.4A CN110887699B (en) | 2019-11-11 | 2019-11-11 | Water layering accurate sampling device |
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| CN110887699A CN110887699A (en) | 2020-03-17 |
| CN110887699B true CN110887699B (en) | 2021-12-31 |
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| CN201911095834.4A Active CN110887699B (en) | 2019-11-11 | 2019-11-11 | Water layering accurate sampling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113740119B (en) * | 2021-09-08 | 2023-07-14 | 浙江海洋大学 | Water quality sampling detection device for aquaculture |
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| CN206330790U (en) * | 2016-12-26 | 2017-07-14 | 重庆山楂树科技有限公司 | Multilayer water sampler |
| CN107328614A (en) * | 2017-08-31 | 2017-11-07 | 安徽理工大学 | A kind of surface water is layered sampler |
| CN206725285U (en) * | 2016-11-29 | 2017-12-08 | 环境保护部南京环境科学研究所 | It is a kind of can simultaneously Stratified Sampling water sampler |
| CN209215007U (en) * | 2018-11-27 | 2019-08-06 | 苏州市网慧水利设计咨询有限公司 | A kind of surface water layering water fetching device |
| CN209311138U (en) * | 2018-12-27 | 2019-08-27 | 山东国评检测服务有限公司 | It is fermented based on excrement colibacillus group multitube and detects more water layer sampling apparatuses |
| CN110333098A (en) * | 2019-06-13 | 2019-10-15 | 河海大学 | A kind of urban water-body water sampler |
| CN209606154U (en) * | 2019-01-24 | 2019-11-08 | 广西壮族自治区环境监测中心站 | A kind of depth sampler |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10232623B4 (en) * | 2002-07-14 | 2004-11-04 | Stiftung Alfred-Wegener-Institut Für Polar- Und Meeresforschung | Ground water sampling |
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2019
- 2019-11-11 CN CN201911095834.4A patent/CN110887699B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206725285U (en) * | 2016-11-29 | 2017-12-08 | 环境保护部南京环境科学研究所 | It is a kind of can simultaneously Stratified Sampling water sampler |
| CN206330790U (en) * | 2016-12-26 | 2017-07-14 | 重庆山楂树科技有限公司 | Multilayer water sampler |
| CN107328614A (en) * | 2017-08-31 | 2017-11-07 | 安徽理工大学 | A kind of surface water is layered sampler |
| CN209215007U (en) * | 2018-11-27 | 2019-08-06 | 苏州市网慧水利设计咨询有限公司 | A kind of surface water layering water fetching device |
| CN209311138U (en) * | 2018-12-27 | 2019-08-27 | 山东国评检测服务有限公司 | It is fermented based on excrement colibacillus group multitube and detects more water layer sampling apparatuses |
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| CN110333098A (en) * | 2019-06-13 | 2019-10-15 | 河海大学 | A kind of urban water-body water sampler |
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