CN106840758B - Automatic seawater sampling device - Google Patents
Automatic seawater sampling device Download PDFInfo
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- CN106840758B CN106840758B CN201611181523.6A CN201611181523A CN106840758B CN 106840758 B CN106840758 B CN 106840758B CN 201611181523 A CN201611181523 A CN 201611181523A CN 106840758 B CN106840758 B CN 106840758B
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- sleeve
- sealing cover
- central shaft
- sampling
- bottle body
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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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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the field of seawater sampling, in particular to a seawater sampling device. The automatic sampling device comprises a sampling bottle and an automatic sampling mechanism, wherein the sampling bottle comprises an upper sealing cover, a sampling bottle body, a lower sealing cover and a central shaft, the central shaft sequentially penetrates through the centers of the upper sealing cover, the sampling bottle body and the lower sealing cover, the lower sealing cover is fixedly connected with the central shaft, the upper sealing cover is connected with the sampling bottle body, the upper sealing cover is slidably connected with the central shaft, the upper sealing cover is positioned above the sampling bottle body, and the lower sealing cover is positioned below the sampling bottle body; the automatic sampling mechanism comprises a weight, a connecting folding rod and a sleeve, wherein the middle part of the sleeve is fixedly connected with an upper sealing cover, a central shaft is arranged in the sleeve, the sleeve vertically slides along the central shaft, the weight is arranged above the upper sealing cover, vertically slides along the central shaft, the weight is arranged outside the sleeve, a fixing plate is arranged between the weight and the sleeve, the fixing plate is fixedly connected with the central shaft, and a limiting protrusion is arranged at the bottom of the sleeve. The device has the advantages of simple structure, convenient operation, low energy consumption and high sampling precision.
Description
Technical Field
The invention relates to the field of seawater sampling, in particular to an automatic seawater sampling device.
Background
Seawater is mobile and the amount of water available to humans is unlimited. Seawater is a well-known liquid mineral deposit, with an average of 3570 ten thousand tons of minerals per cubic kilometer of seawater, of which 80% are found in the world, of the 100 known elements. Sea water is also a source of fresh water on land and a regulator of climate, the world sea has 450 thousands of cubic kilometers of evaporated fresh water each year, 90% of the evaporated fresh water returns to the sea through rainfall, 10% of the evaporated fresh water changes into rain and snow to fall on the ground, then returns to the sea along rivers, sea water desalination technology is developing into industry, and people expect that the final approach of people to solve water wastelands is likely to be sea water desalination along with ecological environment deterioration.
The water quality sampler is one kind of water quality sample collecting device and has two kinds of artificial water quality sampler and automatic water quality sampler. The cost of the water quality artificial sampler is lower, and the water quality artificial sampler is widely used at present. However, the existing manual water quality sampler is inconvenient to operate when used in the ocean, has poor stability and reliability, low sampling precision and high energy consumption.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an automatic seawater sampling device which is simple in structure, convenient to operate, low in energy consumption and high in sampling precision.
The technical scheme of the invention is as follows: the automatic seawater sampling device comprises a sampling bottle, and further comprises an automatic sampling mechanism, wherein the sampling bottle comprises an upper sealing cover, a sampling bottle body, a lower sealing cover and a central shaft, the central shaft sequentially penetrates through the centers of the upper sealing cover, the sampling bottle body and the lower sealing cover, the lower sealing cover is fixedly connected with the central shaft, the upper sealing cover is connected with the sampling bottle body, the upper sealing cover is in sliding connection with the central shaft, the upper sealing cover is positioned above the sampling bottle body, and the lower sealing cover is positioned below the sampling bottle body;
the automatic sampling mechanism comprises a weight, a connecting folding rod and a sleeve, wherein the middle part of the sleeve is fixedly connected with an upper sealing cover, a central shaft is arranged in the sleeve, the sleeve slides up and down along the central shaft, the weight is arranged above the upper sealing cover, the weight slides up and down along the central shaft, the weight is arranged on the outer side of the sleeve, a fixing plate is arranged between the weight and the sleeve, the fixing plate is fixedly connected with the central shaft, a limiting bulge is arranged at the bottom of the sleeve, and the sleeve is connected with the top of a sampling bottle body through the limiting bulge;
the utility model discloses a folding device for the plastic bottle, including upper cover, connecting folding rod, pouring weight, connecting folding rod and fixed plate, connecting folding rod sets up the top at the upper cover, including fixed part and kink, kink and the one end fixed connection of fixed part, and kink and fixed part slope are connected, connect folding rod and fixed plate hinge, are equipped with the recess on the sleeve, and the one end card of the fixed part of connecting folding rod is in the recess, and the pouring weight is located the top of connecting folding rod, and the kink setting of connecting folding rod is in the outside of pouring weight, sets up the several along telescopic circumferencial direction interval and connects folding rod.
In the invention, the sleeve comprises an upper sleeve and a lower sleeve, the upper sleeve is arranged above an upper sealing cover, the upper sleeve is fixedly connected with the top surface of the upper sealing cover, the lower sleeve is arranged below the upper sealing cover, the lower sleeve is fixedly connected with the bottom surface of the upper sealing cover, the bottom of the lower sleeve is provided with a limiting bulge, a central shaft is arranged in the upper sleeve and the lower sleeve, the upper sleeve and the lower sleeve slide up and down along the central shaft, a weight is arranged on the outer side of the upper sleeve, a fixed plate is arranged between the weight and the upper sleeve, a groove is arranged on the upper sleeve, and a plurality of connecting folding rods are arranged at intervals along the outer circumferential direction of the upper sleeve.
The connecting folding rod is connected with the torsion spring, wherein the middle part of the torsion spring is sleeved on the shaft fixedly connected with the fixing plate, the upper end of the torsion spring is connected with the connecting folding rod, and the lower end of the torsion spring is connected with the upper sleeve. The angle and the position of the connecting folding rod are fixed by arranging the torsion spring, and the automatic resetting of the upper sleeve and the connecting folding rod after the seawater sampling work is completed is also realized.
The automatic sampling mechanism further comprises a fixing sleeve, the fixing sleeve is arranged at the top of the sampling bottle body, the fixing sleeve is arranged at the bottom of the lower sleeve, a connecting ring is fixed on the inner surface of the fixing sleeve, the fixing sleeve is connected with the lower sleeve through the connecting ring, the connecting ring comprises an outer ring, a connecting rod and an inner ring, the outer ring is fixedly connected with the inner ring through a plurality of connecting rods, the outer ring is fixedly connected with the inner surface of the fixing sleeve, the lower sleeve is arranged in the inner ring, a limiting bulge is located below the inner ring, the size of the inner ring is smaller than that of the limiting bulge, and the connecting ring is clamped above the limiting bulge, so that the connection of the lower sleeve and the sampling bottle body is realized.
The contact position of the upper sealing cover and the sampling bottle body is provided with a sealing element, and the contact position of the lower sealing cover and the sampling bottle body is provided with a sealing element. Through setting up the sealing member, can guarantee that the seawater can not follow in the sample bottle after the seawater gets into the sample bottle.
A pull rope is fixed in the central shaft. After the automatic seawater sampling device finishes sampling, the automatic seawater sampling device is taken out of the seawater through the pull rope.
The direction of the bending part of the connecting folded plate is upward. The pouring weight descends to drive the connecting folded plate to rotate, and in the rotating process, after the pouring weight descends to a certain height, the pouring weight stops descending under the combined action of the bending part and the fixing part.
The invention has the beneficial effects that: the automatic seawater sampling device is simple to operate, low in required energy consumption, good in operation stability and high in sampling precision, and the seawater sampling efficiency is greatly improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the structure of an automatic sampling mechanism;
fig. 3 is a front view of the connecting ring.
In the figure: 1, a sleeve is arranged on the upper part; 101 grooves; 2, connecting a folding rod; 3, a torsion spring; 4, upper sealing cover; 5, fixing the sleeve; a 6 connecting ring; 601 an outer ring; 602 a connecting rod; 603 an inner ring; 7, sampling the bottle body; 8, closing the cover; 12 lower sleeve; 13 fixing plates; 14 weight blocks; 15 central axis; 16 rotating shafts I; 17 spindle II.
Detailed Description
The invention is further described below with reference to the drawings and examples.
The automatic seawater sampling device disclosed by the invention is shown in fig. 1, and comprises an automatic sampling mechanism and a sampling bottle, wherein the sampling bottle comprises an upper sealing cover 4, a sampling bottle body 7, a lower sealing cover 8 and a central shaft 15, the central shaft 15 sequentially penetrates through the centers of the upper sealing cover, the sampling bottle body and the lower sealing cover, the lower sealing cover 8 is fixedly connected with the central shaft 15, the upper sealing cover 4 is connected with the sampling bottle body 7, the upper sealing cover 4 is connected with the central shaft 15 in a sliding manner, and the upper sealing cover 4 can slide up and down along the central shaft 15. The upper sealing cover 4 is located above the sampling bottle body 7, the lower sealing cover 8 is located below the sampling bottle body 7, a sealing element is arranged at the contact position of the upper sealing cover 4 and the sampling bottle body 7, and a sealing element is arranged at the contact position of the lower sealing cover 8 and the sampling bottle body 7. By arranging the sealing element, the seawater can be prevented from flowing out of the sampling bottle after entering the sampling bottle body 7. A pull rope is fixed in the central shaft 15, and after the seawater automatic sampling device finishes sampling, the seawater automatic sampling device is taken out of the seawater through the pull rope.
As shown in fig. 1 and 2, the automatic sampling mechanism comprises a weight 14, a connecting folding rod 2, a sleeve and a fixing sleeve 5, wherein the upper sealing cover 4 is fixedly connected with the middle part of the sleeve, the sleeve comprises an upper sleeve 1 and a lower sleeve 12, the upper sleeve 1 is arranged above the upper sealing cover 4 and fixedly connected with the upper sealing cover 4, the lower sleeve 12 is arranged below the upper sealing cover 4 and fixedly connected with the upper sealing cover 4, the upper sleeve 1 and the lower sleeve 12 are coaxial with a central shaft 15, the central shaft 15 is arranged in the upper sleeve 1 and the lower sleeve 12, and the upper sleeve 1 and the lower sleeve 12 slide up and down along the central shaft 15. The upper sealing cover 4 is provided with a weight 14 above, the weight 14 slides up and down along a central shaft 15, the weight 14 is arranged on the outer side of the upper sleeve 12, a fixed plate 13 is arranged between the weight 14 and the upper sleeve 12, and the fixed plate 13 is fixedly connected with the central shaft 15.
The connecting folding rod 2 comprises a fixing part and a bending part, the bending part is fixedly connected with one end of the fixing part, a certain angle is formed between the bending part and the fixing part, and the fixing part is hinged with the fixing plate 13 through a rotating shaft, so that the connecting folding rod 2 rotates. The connecting folding rod 2 is connected with the torsion spring 3, wherein the middle part of the torsion spring 3 is sleeved on a shaft fixedly connected with the fixed plate 13, the upper end of the torsion spring 3 is connected with the connecting folding rod 2, the lower end is connected with the upper sleeve 1, and the torsion spring 3 is in an untwisted state as shown in fig. 2. The upper sleeve 1 is provided with a groove 101, and the free end of the fixing part of the connecting folding rod 2 is clamped in the groove 101, so that the position of the upper sleeve 1 is fixed, the bending part of the connecting folding rod is arranged on the outer side of the weight 14, and the weight 14 is positioned above the connecting folding rod 2. In the present invention, a plurality of connecting folding bars 2 are provided at intervals along the outer circumferential direction of the upper sleeve 12, and two connecting folding bars are provided in this embodiment. When the weight 14 is lowered onto the connection folding bar 2, the connection folding bar 2 is rotated along the rotation axis, so that one end of the fixing portion of the connection folding bar 2 is separated from the groove 101, and the upper sleeve 1, the upper cover 4, and the lower sleeve 12 are lowered by gravity. The direction of the bending part on the connecting folding rod 2 is upward, the weight 14 can be limited by arranging the bending part, and when the weight 14 descends to the moving height, the weight 14 stops descending by the combined action of the bending part and the fixing part of the rotating part of the connecting folding rod 2.
The connecting folding rod 2 rotates and simultaneously presses the torsion spring 3, and the torsion spring 3 is pulled in the descending process of the upper sleeve 12, so that the torsion spring 3 has tightening force. After the weight 14 leaves the connecting folding rod 2, under the action of the torsion force in the torsion spring 3, the connecting folding rod and the upper sleeve are automatically reset, and one end of the connecting folding rod is clamped in the groove of the upper sleeve again, so that the positions of the upper sleeve and the upper sealing cover are fixed. The sampling device is shown in fig. 1 in an inactive state, in which the upper sleeve and upper closure are fixed in position by the connecting flap 2.
The fixed cover 5 is fixed at the top of sample bottle 7, and fixed cover 5 sets up in the bottom of lower sleeve 12, and the inboard of fixed cover 5 is fixed with go-between 6, connects through go-between 6 between fixed cover 5 and the lower sleeve 12. As shown in fig. 3, the connecting ring 6 includes an outer ring 601, a connecting rod 602, and an inner ring 603, where the outer ring 601 and the inner ring 603 are fixedly connected by a plurality of connecting rods 602, the outer ring 601 is fixedly connected with the inner surface of the fixed sleeve 5, the lower sleeve 12 is disposed in the inner ring 603, the limiting protrusion 101 is located below the inner ring 303, the diameter of the inner ring 603 is smaller than the size of the limiting protrusion 1201, and the connecting ring 6 is clamped above the limiting protrusion 1201, so that the connection between the sampling bottle 7 and the lower sleeve 12 and the upper cover 4 is realized, and the position of the sampling bottle 7 is fixed due to the fixed positions of the upper sleeve 12 and the upper cover 4, and the non-closed state between the sampling bottle 7 and the lower cover 8 is realized.
The working process of the automatic seawater sampling device is as follows: the non-working state of the sampling device is shown in fig. 1, at this time, one end of the rotating folded plate is clamped in the groove 101, so that the position of the upper sleeve 1 is fixed, at this time, the upper cover 4 is located above the sampling bottle body 7, the lower cover 8 is located below the sampling bottle body 7, and the sampling bottle is in an opened state. The device is placed at a designated depth in seawater, and the sampling bottle body is always filled with seawater inside and outside due to the fact that the sampling bottle is in an open state. When sampling starts, the weight 14 descends, downward pressure is applied to the rotating folded plate 2, so that the rotating folded plate 2 rotates, one end of the fixing part of the rotating folded plate 2 leaves the groove 101, the upper sleeve 1, the upper sealing cover 4 and the lower sleeve 12 descend along the central shaft under the action of gravity, the limiting boss 1201 at the bottom of the lower sleeve 12 leaves the connecting ring 6 in the descending process of the lower sleeve 12, at the moment, the limiting bottle 7 is not subjected to any limiting action, under the action of gravity, the sampling bottle 7 descends, when the sampling bottle 7 descends onto the lower sealing cover 8, the sampling bottle 7 stops to continue descending, the upper sealing cover 4 moves downwards to the fixing sleeve 5 and stops moving, and in the descending process of the sampling bottle 7 and the upper sealing cover 4, seawater is sampled and sealed in the sampling bottle 7, so that seawater sampling is completed, and finally the seawater automatic sampling device is pulled out of the seawater through the pull rope.
Claims (4)
1. The utility model provides a sea water sampling device, includes sample bottle, its characterized in that: the automatic sampling device is characterized by further comprising an automatic sampling mechanism, wherein the sampling bottle comprises an upper sealing cover (4), a sampling bottle body (7), a lower sealing cover (8) and a central shaft (15), the central shaft (15) sequentially penetrates through the centers of the upper sealing cover, the sampling bottle body and the lower sealing cover, the lower sealing cover (8) is fixedly connected with the central shaft (15), the upper sealing cover (4) is connected with the sampling bottle body (7), the upper sealing cover (4) is slidably connected with the central shaft (15), the upper sealing cover (4) is positioned above the sampling bottle body (7), and the lower sealing cover (8) is positioned below the sampling bottle body (7);
the automatic sampling mechanism comprises a weight (14), a connecting folding rod (2) and a sleeve, wherein the sleeve is fixedly connected with an upper sealing cover (4), a central shaft (15) is arranged in the sleeve, the sleeve slides up and down along the central shaft (15), the weight (14) is arranged above the upper sealing cover (4), the weight (14) slides up and down along the central shaft (15), the weight (14) is arranged on the outer side of the sleeve, a fixed plate (13) is arranged between the weight (14) and the sleeve, the fixed plate (13) is fixedly connected with the central shaft (15), a limiting bulge is arranged at the bottom of the sleeve, and the sleeve is connected with the top of a sampling bottle body through the limiting bulge;
the connecting folding rod (2) is arranged above the upper sealing cover and comprises a fixing part and a bending part, the bending part is fixedly connected with one end of the fixing part, the bending part is obliquely connected with the fixing part, the connecting folding rod (2) is hinged with the fixing plate (13), a groove (101) is formed in the sleeve, one end of the fixing part of the connecting folding rod (2) is clamped in the groove (101), the weight (14) is arranged above the connecting folding rod (2), the bending part of the connecting folding rod is arranged at the outer side of the weight, and a plurality of connecting folding rods (2) are arranged at intervals along the outer circumferential direction of the sleeve;
the sleeve comprises an upper sleeve (1) and a lower sleeve (12), wherein the upper sleeve (1) is arranged above an upper sealing cover (4), the upper sleeve (1) is fixedly connected with the top surface of the upper sealing cover (4), the lower sleeve (12) is arranged below the upper sealing cover (4), the lower sleeve (12) is fixedly connected with the bottom surface of the upper sealing cover (4), a limiting bulge (1201) is arranged at the bottom of the lower sleeve (12), a central shaft is arranged in the upper sleeve (1) and the lower sleeve (12), the upper sleeve (1) and the lower sleeve (12) slide up and down along the central shaft (15), a weight (14) is arranged on the outer side of the upper sleeve (1), a fixed plate (13) is arranged between the weight (14) and the upper sleeve (1), and a plurality of connecting folding rods are arranged at intervals along the outer circumferential direction of the upper sleeve (1);
the connecting folding rod (2) is connected with the torsion spring (3), wherein the middle part of the torsion spring (3) is sleeved on a shaft fixedly connected with the fixed plate (13), the upper end of the torsion spring (3) is connected with the connecting folding rod (2), and the lower end of the torsion spring is connected with the upper sleeve (1);
the automatic sampling mechanism further comprises a fixing sleeve (5), the fixing sleeve (5) is arranged at the top of the sampling bottle body (7) and at the bottom of the lower sleeve (12), a connecting ring (6) is fixedly arranged on the inner surface of the fixing sleeve (5), the fixing sleeve (5) and the lower sleeve (12) are fixedly connected through the connecting ring (6), the connecting ring (6) comprises an outer ring (601), a connecting rod (602) and an inner ring (603), the outer ring (601) and the inner ring (603) are fixedly connected through a plurality of connecting rods (602), the outer ring (601) is fixedly connected with the inner surface of the fixing sleeve (5), the lower sleeve (12) is arranged in the inner ring (603), a limiting boss (1201) is located below the inner ring (603), the size of the inner ring (603) is smaller than that of the limiting boss (1201), and the connecting ring (6) is clamped above the limiting boss (1201), so that the lower sleeve (12) is connected with the sampling bottle body (7).
2. A seawater sampling device as claimed in claim 1, wherein: the contact part of the upper sealing cover (4) and the sampling bottle body (7) is provided with a sealing element, and the contact part of the lower sealing cover (8) and the sampling bottle body (7) is provided with a sealing element.
3. A seawater sampling device as claimed in claim 1, wherein: a pull rope is fixed in the central shaft (15).
4. A seawater sampling device as claimed in claim 1, wherein: the direction of the bending part of the connecting folding rod (2) is upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611181523.6A CN106840758B (en) | 2016-12-20 | 2016-12-20 | Automatic seawater sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611181523.6A CN106840758B (en) | 2016-12-20 | 2016-12-20 | Automatic seawater sampling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106840758A CN106840758A (en) | 2017-06-13 |
| CN106840758B true CN106840758B (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611181523.6A Active CN106840758B (en) | 2016-12-20 | 2016-12-20 | Automatic seawater sampling device |
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| Country | Link |
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| CN (1) | CN106840758B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113340662B (en) * | 2021-07-01 | 2024-05-07 | 中国海洋大学 | Layered time-sharing sampling device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1472545A (en) * | 1973-11-03 | 1977-05-04 | Jenkins R | Sampling devices |
| CN201218782Y (en) * | 2008-05-08 | 2009-04-08 | 宝山钢铁股份有限公司 | Detection apparatus for pool bottom silt accumulation |
| CN202372373U (en) * | 2011-12-20 | 2012-08-08 | 中国石油天然气股份有限公司 | Small-diameter dryness sampler |
| CN204008205U (en) * | 2014-06-05 | 2014-12-10 | 神华集团有限责任公司 | A kind of Sewage Sampler |
| CN105571899A (en) * | 2016-03-01 | 2016-05-11 | 中国科学院武汉岩土力学研究所 | Device and method for collecting deep self-filtration sealing water sample |
| CN205300986U (en) * | 2016-01-10 | 2016-06-08 | 袁洛薇 | Water quality sampler |
| CN105675348A (en) * | 2016-03-01 | 2016-06-15 | 中国科学院武汉岩土力学研究所 | Water passing capping device for deep self filtering sealing water collector |
-
2016
- 2016-12-20 CN CN201611181523.6A patent/CN106840758B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1472545A (en) * | 1973-11-03 | 1977-05-04 | Jenkins R | Sampling devices |
| CN201218782Y (en) * | 2008-05-08 | 2009-04-08 | 宝山钢铁股份有限公司 | Detection apparatus for pool bottom silt accumulation |
| CN202372373U (en) * | 2011-12-20 | 2012-08-08 | 中国石油天然气股份有限公司 | Small-diameter dryness sampler |
| CN204008205U (en) * | 2014-06-05 | 2014-12-10 | 神华集团有限责任公司 | A kind of Sewage Sampler |
| CN205300986U (en) * | 2016-01-10 | 2016-06-08 | 袁洛薇 | Water quality sampler |
| CN105571899A (en) * | 2016-03-01 | 2016-05-11 | 中国科学院武汉岩土力学研究所 | Device and method for collecting deep self-filtration sealing water sample |
| CN105675348A (en) * | 2016-03-01 | 2016-06-15 | 中国科学院武汉岩土力学研究所 | Water passing capping device for deep self filtering sealing water collector |
Non-Patent Citations (1)
| Title |
|---|
| 深海海底取样自动控制阀及取样装置的设计;邱晓来;;通用机械(第11期);全文 * |
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| CN106840758A (en) | 2017-06-13 |
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