CN211179110U - A kind of water system sediment sampling equipment - Google Patents

Abstract

The utility model discloses a water system sediment sampling device, which comprises an inner pipe, an outer pipe is sleeved on the outer side of the inner pipe, the upper end of the inner pipe extends to the outside of the outer pipe, the lower end of the inner pipe is located in the outer pipe, and the upper part of the outer pipe is located in the outer pipe. There are screw holes connecting the inside and outside of the screw holes, bolts are installed in the screw holes, a flexible closed pipe is arranged at the lower end of the inner pipe, and the two ends of the flexible closed pipe are sealed and fixed with the lower end of the inner pipe and the lower end of the outer pipe respectively; Sampling equipment, after sampling is completed, the lower end of the sampling equipment is closed to prevent water sediments from flowing out of the sampler and ensure the reliability of sampling.

Description

A kind of water system sediment sampling equipment

technical field

The utility model relates to the technical field of fluid sampling equipment, in particular to a water system sediment sampling equipment.

Background technique

Water system sediment geochemistry is a method and technology to study water system sediment exploration, and through large-scale systematic water system sediment sampling and analysis, to study the migration, distribution and enrichment laws of water system sediments and their relationship with bedrock and mineral deposits. the science of the relationship between

However, the existing samplers are mainly used on land. When applied to the sampling of water system sediments, because the water system sediments are fluid, the water system sediments will flow out of the sampler when the sampler is pulled out after sampling, resulting in sampling failure.

Utility model content

The technical problem to be solved by the utility model is to overcome the existing defects and provide a water system sediment sampling device. After the sampling is completed, the lower end of the sampling device is closed to prevent the water system sediment from flowing out of the sampler and ensure the reliability of sampling. , which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a water system sediment sampling device, comprising an inner pipe, an outer pipe is sleeved on the outer side of the inner pipe, and the upper end of the inner pipe extends to the outside of the outer pipe, and the lower end of the inner pipe is provided with an outer pipe. located in the outer tube.

The upper part of the outer tube is provided with screw holes connecting the inside and outside of the outer tube, and bolts are installed in the screw holes.

The lower end of the inner tube is provided with a flexible closed tube, and both ends of the flexible closed tube are respectively sealed and fixedly connected with the lower end of the inner tube and the lower end of the outer tube.

As a preferred technical solution of the present invention, the flexible closed tube is a rubber tube, a waterproof cloth tube, an elastic silicone tube or an elastic rubber tube.

As a preferred technical solution of the present invention, the inner tube is made of transparent glass or transparent plastic, and the outer tube is made of transparent glass or transparent plastic.

As a preferred technical solution of the present invention, the diameter of the lower part of the outer side of the outer tube gradually decreases from top to bottom.

As a preferred technical solution of the present invention, it also includes a cover, and the upper end of the cover and the inner tube is sealed and clamped or connected by a sealed thread.

As a preferred technical solution of the present invention, the upper part of the outer side of the inner tube is provided with a helical groove, and the helical groove is in contact with the inner end of the bolt.

As a preferred technical solution of the present invention, the upper part of the outer side of the inner tube is provided with a helical groove, and the helical groove is in contact with the inner end of the bolt.

As a preferred technical solution of the present invention, a blocking piece is also included, the blocking piece is located in the inner pipe, and the outer side of the blocking piece is sealed and slidably connected with the inner side of the inner pipe.

As a preferred technical solution of the present invention, the blocking member is a pie-shaped blocking member or a spherical blocking member.

As a preferred technical solution of the present invention, the spherical blocking member is an air bag ball or a hollow elastic rubber ball.

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

1. The water system sediment sampling device of the example of the present utility model, after the sampling is finished, the lower end of the sampling device is closed to prevent the water system sediment from flowing out of the sampler, so as to ensure the reliability of sampling; and the water system sediment sampling device has a simple structure, The production cost is low, the cleaning is convenient, and it can be reused.

2. In the water system sediment sampling device of the example of the present invention, the inner tube and the outer tube are inserted into the water system sediment, the water system sediment enters the inner tube, the bolts are loosened, the outer tube or the inner tube is rotated, and the flexible closed tube is twisted and twisted. to block the lower end of the inner pipe to prevent the water system sediments from flowing out of the water system sediment sampling equipment. Tighten the bolts to fix the inner pipe and the outer pipe together, move the inner pipe and the outer pipe upward, so as to prevent the water system sediments from flowing out. sampling.

3. The water system sediment sampling equipment of the example of the present utility model, after the sampling is completed, the cover is placed on the upper end of the inner tube, and the sampled water system sediment is located in a closed environment, so as to avoid environmental pollution to the water system sediment, and make the water system sediment The sampling equipment is easy to move.

4. The water system sediment sampling device of the example of the present utility model, initially, the spiral groove is in contact with the inner end of the bolt, so that the inner tube and the outer tube are not easily moved relative to each other, and the flexible closed tube is kept fully expanded; rotating the outer tube or rotating the inner tube When the bolt moves along the spiral groove, when the bolt prevents the outer tube and the inner tube from rotating relative to each other, tighten the bolt, and the cooperation between the spiral groove and the bolt is convenient to determine the degree of distortion of the flexible closed tube.

5. The water system sediment sampling device of the present utility model example, the water system sediment sampling device will be shaken during the movement process, the blocking member is in contact with the upper side of the water system sediment, the blocking member prevents the water system sediment from shaking, and avoids the water system sediment mixing, Guarantee the reliability of water system sediments.

Description of drawings

Fig. 1 is the front view structure schematic diagram of the utility model;

Fig. 2 is the partial sectional structure schematic diagram of the present utility model;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 .

In the picture: 1. Spiral groove, 2. Cover, 3. Inner tube, 4. Bolt, 5. Outer tube, 6. Flexible closed tube, 7. Blocking piece, 8. Screw hole.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Embodiment 1: Please refer to FIG. 1 , FIG. 2 and FIG. 3 , this embodiment discloses a water system sediment sampling device, including an inner tube 3 , an outer tube 5 is sleeved on the outer side of the inner tube 3 , and the upper end of the inner tube 3 is Extending to the outside of the outer tube 5 , the lower end of the inner tube 3 is located inside the outer tube 5 .

The upper part of the outer tube 5 is provided with a screw hole 8 which communicates the inside and outside thereof, and the screw hole 8 is installed with the bolt 4 .

The lower end of the inner tube 3 is provided with a flexible closed tube 6 , and both ends of the flexible closed tube 6 are sealed and fixedly connected to the lower end of the inner tube 3 and the lower end of the outer tube 5 respectively.

Further, the flexible sealing tube 6 is a rubber tube, a waterproof cloth tube, an elastic silicone tube or an elastic rubber tube.

Further, the inner tube 3 is made of transparent glass material or transparent plastic material, and the outer tube 5 is made of transparent glass material or transparent plastic material, so that it is convenient to observe the amount of water system sediments sampled.

In this embodiment, the diameter of the outer lower portion of the outer tube 5 gradually decreases from top to bottom, which facilitates the insertion of the outer tube 5 into the water system sediment.

This embodiment also includes a cover 2 , and the upper ends of the cover 2 and the inner tube 3 are sealed and clamped or connected by sealing threads.

Both the inner tube 3 and the outer tube 5 are rigid tubes.

The working process and principle of this embodiment are:

At the beginning, the cover 2 is not covered on the upper end of the inner tube 3, and the flexible closed tube 6 is fully unfolded as shown in Figure 2, and the bolt 4 is tightened. The bolt 4 fixes the inner tube 3 and the outer tube 5 together. The outer tube 5 cannot slide relative to each other.

The inner tube 3 and the outer tube 5 are inserted into the water system sediment, the water system sediment enters the inner tube 33, the bolt 4 is loosened, the outer tube 5 or the inner tube 3 is rotated, and the flexible closed tube 6 is twisted and twisted to block the inner tube. The lower end of the pipe 3, to prevent the water system sediment from flowing out of the water system sediment sampling equipment, tighten the bolt 4 to fix the inner pipe 3 and the outer pipe 5 together, move the inner pipe 3 and the outer pipe 5 upward, so as to prevent the water system sedimentation. material sampling.

The cover 2 covers the upper end of the inner tube 3, and the water system sediment to be sampled is located in a closed environment, which avoids environmental pollution to the water system sediment, and makes the water system sediment sampling equipment easy to move.

After the sampling of the water system sediment sampling device is completed, the lower end of the sampling device is closed to prevent the water system sediment from flowing out of the sampler and ensure the reliability of sampling.

The water system sediment sampling device is simple in structure, low in manufacturing cost, convenient in cleaning and reusable.

Embodiment 2: As shown in Figures 1 and 3, this embodiment discloses a water system sediment sampling device, the structure of which is roughly the same as that of The upper part is provided with a helical groove 1, and the helical groove 1 is in contact with the inner end of the bolt 4.

The working process and principle of this embodiment are:

Initially, the spiral groove 1 is in contact with the inner end of the bolt 4, so that the inner tube 3 and the outer tube 5 are not easily moved relative to each other, and the flexible closed tube 6 is kept fully unfolded; when the outer tube 5 or the inner tube 3 is rotated, the bolt 4 follows the spiral When the groove 1 moves, when the bolt 4 prevents the outer tube 5 and the inner tube 3 from rotating relative to each other, the bolt 4 is tightened, and the cooperation between the spiral groove 1 and the bolt 4 is convenient to determine the degree of twist of the flexible closed tube 6 .

Embodiment 3: As shown in FIG. 2, this embodiment discloses a water system sediment sampling device, the structure of which is roughly the same as that of 7 is located in the inner tube 3, and the outer side of the blocking member 7 is connected with the inner side of the inner tube 3 in a sealing and sliding connection.

The blocking member 7 in this embodiment is a round cake-shaped blocking member or a spherical blocking member.

Further, the spherical blocking member is an air bag ball or a hollow elastic rubber ball.

The working process and principle of this embodiment are:

Initially, the blocking member 7 is located at the lower part of the inner cavity of the inner tube 3, and there is friction between the blocking member 7 and the inner wall of the inner tube 3. During sampling, the water system sediment pushes the blocking member 7 to move upward along the inner wall of the inner tube 3, so as to avoid sampling of the inner tube 3. more water enters inside.

The water system sediment sampling equipment will be shaken during the movement, and the blocking member 7 is in contact with the upper side of the water system sediment. The blocking member 7 prevents the water system sediment from shaking, prevents the water system sediment from mixing, and ensures the reliability of the water system sediment.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A water system sediment sampling device comprising an inner tube (3), characterized in that: the outer side of the inner pipe (3) is sleeved with an outer pipe (5), the upper end of the inner pipe (3) extends to the outside of the outer pipe (5), and the lower end of the inner pipe (3) is positioned in the outer pipe (5);

the upper part of the outer pipe (5) is provided with a screw hole (8) communicated with the inside and the outside of the outer pipe, and a bolt (4) is arranged in the screw hole (8);

the lower end of the inner pipe (3) is provided with a flexible closed pipe (6), and two ends of the flexible closed pipe (6) are respectively and fixedly connected with the lower end of the inner pipe (3) and the lower end of the outer pipe (5) in a sealing manner.

2. The water system sediment sampling apparatus of claim 1, wherein: the flexible sealing pipe (6) is a rubber pipe, a waterproof cloth pipe, an elastic silicone tube or an elastic rubber tube.

3. The water system sediment sampling apparatus of claim 1, wherein: the inner tube (3) is made of transparent glass or transparent plastic, and the outer tube (5) is made of transparent glass or transparent plastic.

4. The water system sediment sampling apparatus of claim 1, wherein: the diameter of the lower part of the outer side of the outer pipe (5) is gradually reduced from top to bottom.

5. The water system sediment sampling apparatus of claim 1, wherein: the sealing device is characterized by further comprising a cover (2), wherein the cover (2) is in sealing clamping connection or in sealing threaded connection with the upper end of the inner tube (3).

6. The water system sediment sampling apparatus of claim 1, wherein: the upper part of the outer side of the inner pipe (3) is provided with a spiral groove (1), and the spiral groove (1) is contacted with the inner end of the bolt (4).

7. The water system sediment sampling device according to any one of claims 2 to 5, wherein: the upper part of the outer side of the inner pipe (3) is provided with a spiral groove (1), and the spiral groove (1) is contacted with the inner end of the bolt (4).

8. The water system sediment sampling device according to any one of claims 1 to 6, wherein: the anti-theft device is characterized by further comprising a blocking piece (7), wherein the blocking piece (7) is located in the inner pipe (3), and the outer side of the blocking piece (7) is in sealed sliding connection with the inner side of the inner pipe (3).

9. The water system sediment sampling apparatus of claim 8, wherein: the stopper (7) is a disc-shaped stopper or a spherical stopper.

10. The water system sediment sampling apparatus of claim 9, wherein: the spherical blocking piece is an air bag ball or a hollow elastic rubber ball.

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