CN218180405U - Seawater sample draw-out device - Google Patents

Abstract

The utility model discloses a seawater sample extraction device, which comprises a drainage cylinder and a sampling cylinder, wherein the sampling cylinder is fixedly connected with the lower end of the drainage cylinder; the drainage barrel includes a drainage tube, the chain connection pipe, many hydraulic stems and drain pan, be equipped with the outlet of a plurality of inside and outside intercommunications on the lateral wall of a drainage tube, the inner wall sliding seal of drain pan and a drainage tube sets up, the lower extreme and many hydraulic stems fixed connection of drain pan, the lower extreme of many hydraulic stems and the interior bottom fixed connection of a drainage tube, the top fixed connection of chain connection pipe and a drainage tube, the casing is embedded to have driving motor and a rotation section of thick bamboo, the drive shaft fixed connection who rotates a section of thick bamboo and driving motor, the notch swing joint who rotates a section of thick bamboo and inside groove. The utility model discloses for traditional sea sample or shallow water sample, location that can be accurate carries out the sample extraction to specific sea depth, and the same batch can acquire the sea water sample of different levels respectively simultaneously, and is high-efficient swift.

Description

Seawater sample draw-out device

Technical Field

The utility model relates to a sea water sample technical field especially relates to a sea water sample draw-out device.

Background

Marine environmental pollution is one of the more important subjects at present, and marine environmental pollution includes biological pollution, chemical pollution, radiation pollution and the like, and in any case, the pollution needs to be dealt with in time so as to adopt a corresponding treatment method, and when sampling seawater, the method adopted by people is generally sea surface intake and containers such as beakers and the like are utilized.

However, the method is not feasible under the sea surface, even partial deep sea, and quantitative seawater sampling is inconvenient, so that seawater samples with different depths cannot be well and synchronously obtained, the obtained depth is very limited, and single sampling can only be 1-10m generally.

To this end, we propose a seawater sampling device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a seawater sample extraction device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a seawater sample extraction device comprises a drainage cylinder and a sampling cylinder, wherein the sampling cylinder is fixedly connected to the lower end of the drainage cylinder;

the drainage cylinder body comprises a drainage cylinder, a linking pipe, a plurality of hydraulic rods and a drainage tray, wherein a plurality of internally and externally communicated drainage ports are formed in the side wall of the drainage cylinder, the drainage tray and the inner wall of the drainage cylinder are arranged in a sliding and sealing mode, the lower end of the drainage tray is fixedly connected with the plurality of hydraulic rods, the lower ends of the plurality of hydraulic rods are fixedly connected with the inner bottom of the drainage cylinder, the linking pipe is fixedly connected with the top of the drainage cylinder, and a through channel is formed in the bottom of the drainage cylinder and used for communicating the linking pipe;

the sampling cylinder body comprises a shell body and a plurality of inner grooves, the inner grooves are formed in the shell body, notches are formed in the outer wall of the shell body, a driving motor and a rotating cylinder are embedded in the shell body, the rotating cylinder is fixedly connected with a driving shaft of the driving motor, and the rotating cylinder is movably connected with the notches of the inner grooves.

Preferably, the drain opening is located near the top edge of the drain barrel, and the highest point of movement of the drain pan is located below the drain opening.

Preferably, a plurality of openings are formed in the side wall of the drainage tube, rubber skins are fixedly connected into the openings, and an air pump set is externally connected at the tail end of the linking tube.

Preferably, the fixed filter screen of fixedly connected with in the opening, fixed filter screen is close to the inboard edge setting of opening, rubber skin is close to the outside edge setting of opening.

Preferably, the lower extreme edge fixedly connected with round seal membrane of drain pan, the seal membrane is the rubber material, and is the arc form of indent.

Preferably, the link pipe is externally sleeved with a metal net shell.

Preferably, a plurality of the inside grooves are arranged in sequence in the vertical direction, the inside of each inside groove is fixedly connected with a clamping seat, and a test tube body is clamped in each clamping seat.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the drain cylinder that sets up, the chain connection pipe, the hydraulic stem, the drain pan, the cooperation in outlet, in order to reach the position that utilizes the hydraulic stem to drive the drain pan, thereby change the effect of air content in the drain cylinder, then control the action of floating and submerging through the density that changes the drain cylinder, the business turn over of air is controlled through the chain connection pipe, sample or shallow water sample for traditional sea, location that can be accurate is to specific, the sample extraction is carried out to the deep position of more deep sea, the function of sampling has been improved.

2. Through the cooperation of the driving motor who sets up, a rotation section of thick bamboo, shell body, cassette, test tube body to thereby reach the effect that utilizes the rotation section of thick bamboo that driving motor drove to rotate and make a rotation section of thick bamboo control sea water get into the inside groove that corresponds, carry out different kinds of sea water sample operation at the degree of depth of difference then, for traditional sea sample or shallow water sample, can obtain the sea water sample of different levels respectively by the same batch simultaneously, high-efficient swift.

Drawings

Fig. 1 is a schematic view of an external structure of a seawater sample extraction device provided by the present invention;

FIG. 2 is an external view of the drain cartridge of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is a schematic view showing a mounting structure of the sealing film of FIG. 3;

fig. 5 is a perspective view of the sampling cylinder of fig. 1.

In the figure: the device comprises a water drainage barrel 1, a sampling barrel 2, a water drainage barrel 3, a link pipe 4, a hydraulic rod 5, a water drainage disc 6, a water drainage port 7, a channel 8, an outer shell 9, an inner groove 10, a driving motor 11, a rotating barrel 12, a rubber skin 13, an air pump unit 14, a fixed filter screen 15, a sealing film 16, a clamping seat 17 and a test tube body 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Marine environmental pollution is one of the more important subjects at present, the marine environmental pollution comprises biological pollution, chemical pollution, radiation pollution and the like, when seawater sampling is carried out, the adopted mode is generally sea surface intake, containers such as beakers and the like are utilized, but the mode is not feasible under the sea surface and even partial deep sea, and quantitative seawater sampling is inconvenient, seawater samples with different depths cannot be well and synchronously obtained, the obtained depth is extremely limited, single sampling can only be 1-10m generally, not only is more samples difficult to obtain, but also the quality of the samples is low, so that referring to fig. 1, a seawater sample extraction device is designed according to the scheme, wherein the seawater sample extraction device comprises a drainage cylinder body 1 and a sampling cylinder body 2, the sampling cylinder body 2 is fixedly connected to the lower end of the drainage cylinder body 1, the drainage cylinder body 1 is used for controlling the overall buoyancy of the sampling cylinder body 2, the lifting in water is realized by changing the buoyancy of the drainage cylinder body 1, and the traditional sampler is not suitable for deep sea operation in large scale and is not suitable for large-scale self-weight use;

referring to fig. 2, in the scheme, a drainage cylinder 1 comprises a drainage cylinder 3, a link pipe 4, a plurality of hydraulic rods 5 and a drainage tray 6, wherein the drainage cylinder 3 is used for controlling the buoyancy, the link pipe 4 is used for discharging/feeding gas into the drainage cylinder 3, the end part of the link pipe 4 is exposed towards the outside of the sea surface to prevent seawater from being filled, only air is reserved to enter and exit, the motion of the drainage tray 6 changes the temporal space structure of the drainage cylinder 3 and is used for balancing the space of seawater/space, and a plurality of internally and externally communicated drainage ports 7 are arranged on the side wall of the drainage cylinder 3 and are used for balancing the pressure inside and outside the drainage cylinder 3 and matching the entering and exiting of the seawater;

referring to fig. 3, in order to enable the drainage tray 6 not to interfere with each other, the drainage port 7 is arranged near the top edge of the drainage cylinder 3, the highest motion point of the drainage tray 6 is located below the drainage port 7, and meanwhile, the drainage tray 6 and the inner wall of the drainage cylinder 3 are arranged in a sliding and sealing manner, so that the drainage tray 6 and the drainage cylinder 3 always keep tightness, and the upper and lower spaces do not intersect with each other;

the control mode of the drain pan 6 is as follows: the lower end of a drainage disc 6 is fixedly connected with a plurality of hydraulic rods 5, the lower ends of the hydraulic rods 5 are fixedly connected with the inner bottom of a drainage cylinder 3, so that the lifting of the hydraulic rods 5 directly controls the position of the drainage disc 6, a link pipe 4 is fixedly connected with the top of the drainage cylinder 3, a through channel 8 is arranged at the bottom of the drainage cylinder 3 and is used for communicating the link pipe 4, when the drainage disc 6 descends, external seawater enters the drainage cylinder 3 through a water outlet 7, the drainage cylinder 3 begins to sink step by step to drive a sampling cylinder 2 to sink for sampling, after a specific depth is reached, sampling operation can be carried out, original air in the drainage cylinder 3 is discharged through the link pipe 4, when floating is needed, the hydraulic rods 5 drive the drainage disc 6 to rise again to extrude the seawater through the water outlet 7, at the moment, the link pipe 4 sucks the external air into the drainage cylinder 3 under the action of pressure, the density of the drainage cylinder is changed, the whole body floats upwards, and a rechargeable battery is arranged at the bottom of the drainage cylinder 3 and is used for supplying energy to the hydraulic rods 5;

wherein the effect of chain link pipe 4 except carrying out gas transport, can also effectually form the whole to a drain cylinder 3 and pull, be used for carrying out initiative and pull the control, also can judge the degree of depth of diving through the length that chain link pipe 4 was transferred simultaneously, the upper end of chain link pipe 4 can be used for carrying out electronic pull with the hoist ware of rolling around establishing, as long as the length of chain link pipe 4 is enough, can make a drain cylinder 3 dive to the degree of depth of hundred meters and carry out normal sample work, or the mode of location also can adopt the sensor location, carry out the transport positioning depth of signal through the sensor of installing on a drain cylinder 3.

Referring to fig. 5, the sampling cylinder 2 includes an outer shell 9, a plurality of inner grooves 10, the outer shell 9 is made of metal and has better pressure resistance, the inner grooves 10 are disposed in the outer shell 9 and provided with notches on the outer wall of the outer shell 9 for the seawater samples to enter and exit, the inner grooves 10 are sequentially disposed in the vertical direction for obtaining the seawater samples at different depths, a clamping seat 17 is fixedly connected to the inside of each inner groove 10, a test tube body 18 is clamped in the clamping seat 17, a driving motor 11 and a rotating cylinder 12 are embedded in the outer shell 9, the rotating cylinder 12 is fixedly connected to a driving shaft of the driving motor 11, the rotating cylinder 12 is movably connected to the notches of the inner grooves 10, the driving motor 11 drives the rotating cylinder 12 to open and close the notches of the inner grooves 10, the test tube body 18 can be filled after the seawater enters the corresponding inner grooves 10, the corresponding driving motor 11 can be sequentially operated to enable the different inner grooves 10 to extract the seawater samples at different depths, the test tube body 18 can be directly removed after the seawater samples are obtained after the seawater is discharged, and the samples can be quickly obtained in different batches in the same sea level.

Example 2

Referring to fig. 2-3, in order to further actively control the upward floating of the drainage cylinder 3, a plurality of openings are formed in the side wall of the drainage cylinder 3, rubber skins 13 are fixedly connected in the openings, an air pump unit 14 is externally connected at the tail end of the link pipe 4, the air pump unit 14 enables the rubber skins 13 to expand in a mode that the link pipe 4 inflates the interior of the drainage cylinder 3, and then the overall buoyancy of the drainage cylinder 3 is increased, and since the overall self-weight of the drainage cylinder 3 is increased after a sample is obtained, the buoyancy of the drainage cylinder 3 is deficient only by the buoyancy of the drainage cylinder 3, active power is supplemented for operation, in addition, a metal net shell is sleeved outside the link pipe 4, the metal net shell has the function of preventing the link pipe 4 from being extruded too densely in the winding process to cause unsmooth air inlet and outlet, and the metal net shell can effectively keep a certain smoothness degree of the link pipe 4 after being pressed to a certain degree;

in addition, a fixed filter screen 15 is fixedly connected in the opening, the fixed filter screen 15 is arranged close to the inner side edge of the opening, the rubber skin 13 is arranged close to the outer side edge of the opening, and the fixed filter screen 15 is used for preventing the rubber skin 13 from excessively retracting after negative pressure, so that the normal operation of the hydraulic rod 5 is prevented from being disturbed.

Example 3

Referring to fig. 4, because of the change of inside atmospheric pressure in embodiment 2, drain pan 6 in embodiment 1 may lead to the leakproofness not enough, consequently, at the lower extreme edge fixedly connected with round sealing membrane 16 of drain pan 6, sealing membrane 16 is the rubber material, and be the arc shape of indent, the space between drain pan 6 and the drain cylinder 3 inner wall can be filled to sealing membrane 16 under the effect of inside atmospheric pressure, reach better leakproofness, the inside atmospheric pressure of drain cylinder 3 is higher simultaneously, because sealing membrane 16 keeps the densification through pressure exactly, consequently sealing membrane 16 will be the leakproofness better, can better keep the inside stability of drain cylinder 3.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims (7)

1. The seawater sample extraction device is characterized by comprising a drainage cylinder (1) and a sampling cylinder (2), wherein the sampling cylinder (2) is fixedly connected to the lower end of the drainage cylinder (1);

the drainage cylinder body (1) comprises a drainage cylinder (3), a linking pipe (4), a plurality of hydraulic rods (5) and a drainage tray (6), wherein a plurality of internally and externally communicated drainage ports (7) are formed in the side wall of the drainage cylinder (3), the drainage tray (6) is arranged on the inner wall of the drainage cylinder (3) in a sliding and sealing mode, the lower end of the drainage tray (6) is fixedly connected with the plurality of hydraulic rods (5), the lower ends of the plurality of hydraulic rods (5) are fixedly connected with the inner bottom of the drainage cylinder (3), the linking pipe (4) is fixedly connected with the top of the drainage cylinder (3), and a through channel (8) is formed in the bottom of the drainage cylinder (3) and used for communicating the linking pipe (4);

the sampling cylinder body (2) comprises an outer shell (9) and a plurality of inner grooves (10), the inner grooves (10) are arranged in the outer shell (9) and notches are formed in the outer wall of the outer shell (9), a driving motor (11) and a rotating cylinder (12) are embedded in the outer shell (9), the rotating cylinder (12) is fixedly connected with a driving shaft of the driving motor (11), and the rotating cylinder (12) is movably connected with the notches of the inner grooves (10).

2. A seawater sample extraction device as claimed in claim 1, wherein the drain opening (7) is provided near the top edge of the drain barrel (3), the highest point of movement of the drain pan (6) being below the drain opening (7).

3. The seawater sample extracting device as claimed in claim 1, wherein a plurality of openings are opened on the side wall of the drainage barrel (3), a rubber skin (13) is fixedly connected in the openings, and an air pump set (14) is externally connected at the tail end of the linking tube (4).

4. A seawater sample extraction device as claimed in claim 3, wherein a fixed screen (15) is fixedly connected in the opening, the fixed screen (15) is arranged near the inner side edge of the opening, and the rubber skin (13) is arranged near the outer side edge of the opening.

5. A seawater sample extraction device according to claim 3, wherein a circle of sealing membrane (16) is fixedly connected to the lower edge of the drain pan (6), and the sealing membrane (16) is made of rubber and is in an inward concave arc shape.

6. A seawater sample extraction device as claimed in claim 1, wherein the link pipe (4) is externally sheathed with a metal mesh shell.

7. The seawater sample extracting apparatus as claimed in claim 1, wherein a plurality of the inner tanks (10) are sequentially arranged in a vertical direction, a clamping seat (17) is fixedly connected to the inside of each inner tank (10), and a test tube body (18) is clamped in the clamping seat (17).

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