CN106596189B - Seawater sampling device capable of automatically floating - Google Patents
Seawater sampling device capable of automatically floating Download PDFInfo
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- CN106596189B CN106596189B CN201611181532.5A CN201611181532A CN106596189B CN 106596189 B CN106596189 B CN 106596189B CN 201611181532 A CN201611181532 A CN 201611181532A CN 106596189 B CN106596189 B CN 106596189B
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The invention relates to the field of seawater sampling, in particular to an automatic floating type seawater sampling device. The sampling bottle comprises a sampling bottle body, and further comprises an automatic sampling mechanism, wherein the sampling bottle body comprises an upper sealing cover, a sampling bottle body, a lower sealing cover, a central shaft and a floating body, 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 connected with the central shaft, the upper sealing cover is fixedly 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, the lower sealing cover is positioned below the sampling bottle body, and the floating body is arranged on the outer surface of the sampling bottle body; the automatic sampling mechanism comprises a weight, a connecting folding rod, a sleeve and a weight releasing unit, wherein the middle part of the sleeve is fixedly connected with the upper sealing cover, a central shaft is arranged in the sleeve, the sleeve vertically slides along the central shaft, a limiting protrusion is arranged at the bottom of the sleeve, and the sleeve is connected with the top of the sampling bottle body through the limiting protrusion. The device has the advantages of simple structure, convenient operation, high sampling precision and high sampling efficiency.
Description
Technical Field
The invention relates to the field of seawater sampling, in particular to an automatic floating type 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; the existing sampler has limited seawater volume sampled each time, and only seawater at a certain depth can be sampled at one time, so that seawater at various depths cannot be sampled at the same time.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an automatic floating type seawater sampling device which is simple in structure, convenient to operate and high in sampling precision and efficiency.
The technical scheme of the invention is as follows: the utility model provides a but automatic floating formula sea water sampling device, includes the sample bottle, wherein, still includes automatic sampling mechanism, the sample bottle includes upper cover, sample bottle, lower cover, center pin and body, and the center pin runs through upper cover, sample bottle and lower cover's center in proper order, and lower cover is connected with the center pin, upper cover and sample bottle fixed connection, upper cover and center pin sliding connection, and upper cover is located the top of sample bottle, and lower cover is located the below of sample bottle, and the surface of sample bottle is equipped with the body;
the automatic sampling mechanism comprises a weight, a connecting folding rod, a sleeve and a weight releasing unit, 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 connecting folding rod 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 is hinged with the fixing plate, a groove is formed in the sleeve, one end of the fixing part of the connecting folding rod is clamped in the groove, the weight is arranged above the connecting folding rod, the bending part of the connecting folding rod is arranged on the outer side of the weight, and a plurality of connecting folding rods are arranged at intervals along the outer circumferential direction of the sleeve;
the pouring weight releasing unit is arranged on the outer side of the annular surface of the lower sealing cover and is arranged at intervals along the annular outer surface of the lower sealing cover, and the pouring weight releasing unit comprises a rotating plate, a pouring weight hook and a fixed block, wherein the rotating plate and the pouring weight hook are both fixed on the fixed block, the rotating plate is positioned above the pouring weight hook, and the fixed block is fixedly connected with the outer surface of the lower sealing cover.
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, the inner surface of the fixing sleeve is fixedly provided with a connecting ring, the fixing sleeve is fixedly 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, the limiting bulge is located below the inner ring, the size of the inner ring is smaller than the size 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 rotating plate comprises a free end and a limiting end, the free end is fixedly connected with the limiting end, the fixed connection part of the free end is rotationally connected with the fixed block through a rotating shaft I, a torsion spring is arranged at the rotating shaft I, the free end faces towards the lower sealing cover, the free end is positioned right below the sampling bottle body, and the limiting end is in contact with the weight hook; the weight hook comprises a hook body, the hook body is rotationally connected with a fixed block through a rotating shaft II, the top of the hook body is provided with a limiting bulge, the limiting end of a rotating plate is arranged on the outer side of the limiting bulge, one side of the bottom of the hook body, which faces towards a lower sealing cover, is provided with a hook for hanging a weight, the hook tip of the hook faces towards the outer side, and a torsion spring is arranged at the position of the rotating shaft II.
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.
The floating body is tetrahedron, and the four sides are concave arc-shaped surfaces.
The direction of the bending part of the connecting folding rod is upward. The weight descends to drive the connecting folding rod to rotate, and in the rotating process, after the weight descends to a certain height, the weight stops descending under the combined action of the bending part and the fixing part.
The invention has the beneficial effects that: the seawater sampling device is simple to operate, requires very little energy consumption, and has good operation stability and high sampling precision; by arranging the floating body, the automatic floating of the seawater sampling device is realized, and the energy consumption for taking the seawater sampling device out of the seawater is greatly saved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a schematic diagram of the structure of an automatic sampling mechanism;
fig. 4 is a partial enlarged view of the weight release unit;
fig. 5 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; 9, rotating the plate; 901 a free end; 902 limit end; 10 weight hooks; 1001 limit protrusions; 1002 a hook; 11 fixing blocks; 12 lower sleeve; 13 fixing plates; 14 weight I; 15 central axis; 16 rotating shafts I; 17 a rotating shaft II; 18 floating body; 19 cables; 20 weight II.
Detailed Description
The invention is further described below with reference to the drawings and examples.
The automatic floating type 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 bottom of 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 sampling device finishes sampling, the seawater sampling device is taken out of the seawater through the pull rope. The outer surface of the sampling bottle body 7 is provided with a floating body 18, the seawater generates buoyancy to the floating body 18, and the sampling bottle can float out of the seawater and directly float out of the sea surface through the floating body. In this embodiment, the floating body 18 is a tetrahedron, and each surface is a concave arc surface, which plays a role in guiding flow. The floating body can also adopt a trihedron or a polyhedron. The floating body 18 can be made of polyurethane, polyethylene, glass beads or the like.
As shown in fig. 1 and 2, the automatic sampling mechanism comprises a weight i 14, a connecting folding rod 2, a sleeve, a fixing sleeve 5 and a weight releasing unit, wherein the upper sealing cover 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, the upper sleeve 1 is fixedly connected with 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 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 I14 above, the weight I14 slides up and down along a central shaft 15, the weight I14 is arranged on the outer side of the upper sleeve 12, a fixing plate 13 is arranged between the weight I14 and the upper sleeve 12, and the fixing 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 a non-torsion state as shown in fig. 3. 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 I14, and the weight I14 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 i 14 is lowered onto the connecting folding bar 2, the connecting folding bar 2 is rotated along the rotation axis, so that one end of the fixing portion of the connecting 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 I14 leaves the connecting folding rod 2, under the action of the torsion force in the torsion spring 3, the connecting folding rod, the upper sleeve, the upper sealing cover and the lower 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 an inactive state in fig. 1 and 2, wherein the positions of the upper sleeve and the upper cover are fixed by connecting the folding bar 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 inner ring 603 is fixedly connected with the outer surface of the bottom of the lower sleeve 12, the lower sleeve 12 is disposed in the inner ring 603, the limiting boss 101 is located below the inner ring 303, the diameter of the inner ring 603 is smaller than the size of the limiting boss 1201, so that the connecting ring 6 is clamped above the limiting boss 1201, and 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 position fixing of the upper sleeve 12 and the upper cover 4, and the sampling bottle 7 and the lower cover 8 are in an unclosed state.
As shown in fig. 1, the weight release units are disposed outside the annular surface of the lower cover 8 and are spaced apart along the annular outer surface of the lower cover, in this embodiment two weight release units are disposed. The weight release unit comprises a rotating plate 9, a weight hook 10 and a fixed block 11, wherein the rotating plate 9 and the weight hook 10 are both fixed on the fixed block 11, and the fixed block 11 is fixedly connected with the outer surface of the lower sealing cover 8. As shown in fig. 3, the rotating plate 9 is located above the weight hook 10, the rotating plate 9 includes a free end 901 and a limit end 902, the free end 901 and the limit end 902 are fixedly connected, the fixed connection part of the rotating plate is rotationally connected with the fixed block 11 through a rotating shaft i 16, a torsion spring is arranged at the rotating shaft i 16, the torsion spring is in a non-twisted state as shown in fig. 1, the free end 901 faces the lower cover 8, the free end 901 is located under the sampling bottle 7, when the sampling bottle 7 descends, the outer side of the bottle contacts with the end of the free end 901 and drives the free end 901 to descend, so that the rotating plate 9 rotates, and the limit end 902 contacts with the weight hook 10. The weight hook 10 comprises a hook body, the hook body is rotationally connected with the fixed block 11 through a rotating shaft II 17, a limiting protrusion 1001 is arranged at the top of the hook body, a limiting end 902 of the rotating plate 9 is arranged on the outer side of the limiting protrusion 1001, a hook 1002 is arranged on one side, facing the lower sealing cover 8, of the bottom of the hook body, a hook tip of the hook 1002 faces the outer side, and the hook 1002 is used for hanging weights. The torsion spring is also arranged at the rotating shaft II 17, and is in a torsion state as shown in fig. 1, and the torsion spring has torsion force at the moment. A weight II 20 is arranged below the weight release unit, and the weight II 20 is connected with a hook 1002 through a cable 19. After the weight ii 20 is released by the rotation of the hook 1002, the sampling bottle floats up under the buoyancy of the floating body.
The working process of the automatic floating type 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 2 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 is in an open state, so that the inside and the outside of the sampling bottle body are always filled with seawater, and the sampling device can be always in the seawater under the gravity action of the weight II 20. When sampling starts, the weight I14 descends, downward pressure is applied to the rotary folded plate 2, so that the rotary folded plate 2 rotates, one end of the fixing part of the rotary folded plate 2 leaves the groove 101 of the upper sleeve, 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, the limiting bottle 7 is not subjected to any limiting action at this moment, the sampling bottle 7 descends under the action of gravity, and when the sampling bottle 7 descends onto the lower sealing cover 8, the sampling bottle 7 stops to continue descending, and the upper sealing cover 4 moves downwards until falling onto the fixing sleeve 5 and stops moving. During the descent of the sampling bottle 7 and the upper cover 4, seawater is sampled and sealed in the sampling bottle 7. Meanwhile, in the descending process of the sampling bottle body 7, the sampling bottle body 7 is contacted with the free end 901 of the rotating plate 9, and the free end 901 is pressed to move downwards, so that the rotating plate 9 rotates along the rotating shaft I16, the limiting end 902 of the rotating plate 9 leaves the limiting boss 1001 in the rotating process, the weight hanger 10 rotates anticlockwise under the action of the torsion force of the torsion spring at the position of the rotating shaft II 17, the weight hanger 10 rotates and drives the hook 1002 at one end of the weight hanger 10 to rotate, and when the hook rotates to the downward hook tip, the weight II 20 hung on the hook 1002 drops. After the weight II 20 leaves the sampling device, the buoyancy generated by the floating body 18 is greater than the gravity of the seawater sampling device, so that the sampling device automatically floats to the sea surface under the buoyancy action of the floating body 18, and the sampling device is pulled out of the seawater without external force.
Claims (9)
1. The utility model provides a but automatic floating formula 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 connected with the central shaft (15), the upper sealing cover (4) is fixedly 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), the lower sealing cover (8) is positioned below the sampling bottle body (7), and a floating body (18) is arranged on the outer surface of the sampling bottle body (7);
the automatic sampling mechanism comprises a weight (14), a connecting folding rod (2), a sleeve and a weight releasing unit, wherein 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 fixing plate (13) is arranged between the weight (14) and the sleeve, the fixing 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 weight release unit is arranged on the outer side of the annular surface of the lower sealing cover (8) and is arranged at intervals along the annular outer surface of the lower sealing cover, the weight release unit comprises a rotating plate (9), a weight hook (10) and a fixed block (11), the rotating plate (9) and the weight hook (10) are both fixed on the fixed block (11), the rotating plate (9) is positioned above the weight hook (10), and the fixed block (11) is fixedly connected with the outer surface of the lower sealing cover (8);
the weight II (20) is arranged below the weight release unit, the weight II (20) is connected with the hook (1002) through the cable (19), and the hook (1002) rotates to enable the weight II (20) to float upwards under the buoyancy action of the floating body after the weight II (20) is released.
2. The automatically floatable seawater sampling device of claim 1, wherein: 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 boss (1201) is arranged at the bottom of the lower sleeve (12), a central shaft (15) 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, a fixed plate is arranged between the weight and the upper sleeve (1), a groove is arranged on the upper sleeve (1), and a plurality of connecting folding rods are arranged along the outer circumferential direction of the upper sleeve (1) at intervals.
3. The automatically floatable seawater sampling device of claim 2, wherein: 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).
4. The automatically floatable seawater sampling device of claim 2, wherein: 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.
5. The automatically floatable seawater sampling device of claim 1, wherein: the rotating plate (9) comprises a free end (901) and a limiting end (902), the free end (901) is fixedly connected with the limiting end (902), the fixed connection part of the free end is rotationally connected with the fixed block (11) through a rotating shaft I (16), a torsion spring is arranged at the rotating shaft I (16), the free end (901) faces towards the lower sealing cover (8), the free end (901) is positioned under the sampling bottle body (7), and the limiting end (902) is in contact with the weight hook (10); the weight hook (10) comprises a hook body, the hook body is rotationally connected with a fixed block (11) through a rotating shaft II (17), a limiting protrusion (1001) is arranged at the top of the hook body, a limiting end (902) of a rotating block (9) is arranged on the outer side of the limiting protrusion (1001), a hook (1002) for hanging a weight is arranged at one side, facing the lower sealing cover (8), of the bottom of the hook body, a hook tip of the hook (1002) faces the outer side, and a torsion spring is arranged at the position of the rotating shaft II (17).
6. The automatically floatable seawater sampling device of 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.
7. The automatically floatable seawater sampling device of claim 1, wherein: a pull rope is fixed in the central shaft (15).
8. The automatically floatable seawater sampling device of claim 1, wherein: the floating body (18) is tetrahedron, and four sides are concave arc surfaces.
9. The automatically floatable seawater sampling device of 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 |
|---|---|---|---|
| CN201611181532.5A CN106596189B (en) | 2016-12-20 | 2016-12-20 | Seawater sampling device capable of automatically floating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611181532.5A CN106596189B (en) | 2016-12-20 | 2016-12-20 | Seawater sampling device capable of automatically floating |
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| Publication Number | Publication Date |
|---|---|
| CN106596189A CN106596189A (en) | 2017-04-26 |
| CN106596189B true CN106596189B (en) | 2023-09-29 |
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| CN201611181532.5A Active CN106596189B (en) | 2016-12-20 | 2016-12-20 | Seawater sampling device capable of automatically floating |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108489760B (en) * | 2018-03-14 | 2019-05-17 | 安徽耀达电机有限公司 | A kind of modernization high-performance special electric machine |
| CN110308013B (en) * | 2019-06-18 | 2021-07-02 | 山西大学 | Mechanical type recoverable automatic water sampling device |
| CN110702463B (en) * | 2019-10-16 | 2022-05-03 | 山东韵丰环保科技有限公司 | Floating type automatic descending sampling equipment for water body detection |
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