CN212693338U

CN212693338U - Sampling device for water conservancy water quality testing

Info

Publication number: CN212693338U
Application number: CN202021221262.8U
Authority: CN
Inventors: 张建成; 赵振波; 谭玉兵
Original assignee: Liaoning Linghe Water Conservancy And Power Construction Co ltd
Current assignee: Liaoning Linghe Water Conservancy And Power Construction Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-03-12
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a water conservancy is sampling device for water quality testing, including sampler barrel, telescopic tube and cup joint the flexible movable rod on telescopic tube, the last rotation of telescopic tube is provided with the pivot, and the fixed rolling dish that has cup jointed in the pivot, the fixed guide ring that is provided with of the other end of flexible movable rod, and the sampler barrel is located the below of guide ring, and the fixed one end that has cup jointed the traction breather pipe in top of sampler barrel. In the utility model, the sample taken out from the sampling cylinder can be ensured to be always in a sealing state in the process of taking out the water surface, and further, water of other water layers can be prevented from entering the sampling cylinder, thereby ensuring the sampling accuracy of the sample and being beneficial to ensuring the accuracy of the subsequent detection result; meanwhile, the defect that only near water on a river bank can be extracted and further water cannot be sampled can be overcome, so that the sampling water area is favorably enlarged, and the use requirement in sampling is greatly met.

Description

Sampling device for water conservancy water quality testing

Technical Field

The utility model relates to a water conservancy detects technical field, especially relates to a water conservancy is sampling device for water quality testing.

Background

The water quality monitoring is a process of monitoring and measuring the types of pollutants in the water body, the concentrations and the variation trends of various pollutants and evaluating the water quality condition. The monitoring range is very wide, and the monitoring range comprises uncontaminated and contaminated natural water, various industrial drainage water and the like.

When the river water is detected and sampled, at present, the river water is generally sampled by manually putting a cup or other sampling cylinders into water, but only water near the river bank can be extracted, and the farther water cannot be sampled, so that the detection result is inaccurate, and the application range is small; in addition, when sampling is carried out on water quality monitoring of different water layers, the sampling cylinder is not tightly sealed, so that water of other water layers easily enters the sampling cylinder in the water surface taking process, the sampling accuracy can be greatly influenced, and the follow-up accurate detection is not facilitated. Therefore, the utility model provides a water conservancy is sampling device for water quality testing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sampling device for water conservancy water quality testing.

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

a sampling device for water conservancy water quality detection comprises a sampling tube, a telescopic tube and a telescopic movable rod sleeved on the telescopic tube, wherein a rotating shaft is rotatably arranged on the telescopic tube, a winding disc is fixedly sleeved on the rotating shaft, a guide ring is fixedly arranged at the other end of the telescopic movable rod, the sampling tube is positioned below the guide ring, one end of a traction breather pipe is fixedly sleeved at the top of the sampling tube, the other end of the traction breather pipe penetrates through the guide ring and is wound on the winding disc, the other end of the traction breather pipe penetrates to the outer side of the winding disc and is fixedly connected with a flushing air bag, the flushing air bag is further fixed on the rotating shaft through a connecting seat, and a handle is further fixedly arranged on one side, away from the flushing air bag;

the inside of sampler barrel is separated into movable chamber and is located the sample collection chamber of movable chamber below through the baffle, the slip is equipped with the sliding plate in the movable chamber, fixedly connected with flexible gasbag between the top of sliding plate and the top inner wall in movable chamber, and the one end of drawing the breather pipe is linked together with flexible gasbag's inside, still the tensile reset spring of fixedly connected with between the top inner wall in sliding plate and movable chamber, all be provided with the water inlet on the both sides inner wall in movable chamber, and the water inlet is located the downside of sliding plate, the fixed stopper post that is provided with in bottom of sliding plate, be equipped with the consent on the baffle, and stopper post and consent.

Preferably, a sealing sliding sleeve is arranged on the circumferential outer wall of the plug column, and the plug column is in sealing sliding connection with the inner wall of the plug hole through the sealing sliding sleeve.

Preferably, the bottom of the sampling tube is fixedly provided with a balancing weight.

Preferably, both sides of the sliding plate are provided with sliding blocks, the inner walls of both sides of the movable cavity above the water inlet are provided with sliding rails, and the sliding blocks are slidably connected with the sliding rails.

Preferably, the telescopic sleeve is in threaded connection with an adjusting bolt for locking the telescopic movable rod.

Preferably, the air flushing bag is further provided with an air release valve for releasing air for the traction vent pipe and the telescopic air bag.

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

1. the utility model discloses in, during the sample, put sampling tube and balancing weight into the river water layer that needs the sample wholly, then open through the snuffle valve comes to put the gas in the flexible gasbag into, and then make its shrink, tensile reset spring can reset simultaneously, at this moment, water in the river just can flow into the sample collection intracavity from water inlet and consent automation in proper order, after collecting, the flexible gasbag is aerifyd to rethread gasbag and the cooperation of drawing the breather pipe, and make the flexible gasbag be in the state of stretching, tensile reset spring is in tensile state simultaneously, at this moment, the stopper post is packed into the consent and is sealed, later take out sampling tube and balancing weight from the river again can; therefore, the sample taken out from the sampling cylinder is relatively sealed, so that water in other water layers can be prevented from entering the sampling cylinder, the sampling accuracy of the sample can be ensured, and the accuracy of a subsequent detection result is ensured;

2. on the other hand, can also stretch out and draw back through adjusting bolt to length between telescopic tube and the flexible movable rod and adjust, and then can avoid in the past can only draw the nearer water of river bank, can not carry out the drawback of taking a sample to water far away to be favorable to improving the scope in sample waters, the in-service use demand when having satisfied the sample greatly.

In summary, the utility model can ensure that the sample taken out from the sampling cylinder is always in a sealed state in the process of taking out the water surface, thereby avoiding water of other water layers from entering the sampling cylinder, ensuring the sampling accuracy of the sample and being beneficial to ensuring the accuracy of the subsequent detection result; meanwhile, the defect that only near water on a river bank can be extracted and further water cannot be sampled can be overcome, so that the sampling water area is favorably enlarged, and the use requirement in sampling is greatly met.

Drawings

Fig. 1 is a schematic top view of a whole sampling device for water conservancy water quality detection provided by the present invention;

FIG. 2 is a schematic structural view of a middle handle part of the present invention;

FIG. 3 is a schematic view of the sample collection well of the sampling tube when open;

fig. 4 is a schematic view of a sampling collection chamber in a sampling tube in a sealed state.

In the figure: the device comprises a telescopic sleeve 1, a telescopic movable rod 2, an adjusting bolt 3, a handle 4, a rotating shaft 5, a winding disc 6, a traction vent pipe 7, a guide ring 8, a sampling cylinder 9, a movable cavity 91, a sampling collecting cavity 92, a water inlet 93, a telescopic air bag 10, a sliding plate 11, a plug 12, a partition plate 13, a plug hole 131, a stretching return spring 14, an air flushing bag 15, an air release valve 16 and a balancing weight 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-4, a sampling device for water conservancy water quality detection comprises a sampling tube 9, a telescopic sleeve 1 and a telescopic movable rod 2 sleeved on the telescopic sleeve 1, wherein a rotating shaft 5 is rotatably arranged on the telescopic sleeve 1, a winding disc 6 is fixedly sleeved on the rotating shaft 5, a guide ring 8 is fixedly arranged at the other end of the telescopic movable rod 2, the sampling tube 9 is positioned below the guide ring 8, one end of a traction vent pipe 7 is fixedly sleeved at the top of the sampling tube 9, the other end of the traction vent pipe 7 penetrates through the guide ring 8 and is wound and wound on the winding disc 6, the other end of the traction vent pipe 7 penetrates through the outer side of the winding disc 6 and is fixedly connected with a flushing air bag 15, the flushing air bag 15 is further fixed on the rotating shaft 5 through a connecting seat, and a hand crank 4 is further fixedly arranged on one side of the rotating shaft 5;

the inside of sampler barrel 9 is separated into movable chamber 91 and is located the sample collection chamber 92 of movable chamber 91 below through baffle 13, it is equipped with sliding plate 11 to slide in movable chamber 91, fixedly connected with flexible gasbag 10 between the top of sliding plate 11 and the top inner wall of movable chamber 91, and the one end of drawing breather pipe 7 is linked together with flexible gasbag 10's inside, it stretches reset spring 14 to go back fixedly connected with between sliding plate 11 and the top inner wall of movable chamber 91, all be provided with water inlet 93 on the both sides inner wall of movable chamber 91, and water inlet 93 is located the downside of sliding plate 11, the fixed stopper post 12 that is provided with in bottom of sliding plate 11, be equipped with consent 131 on the baffle 13, and stopper post 12 and consent 131 looks adaptation. In the utility model, the sample taken out from the sampling tube 9 can be ensured to be always in a sealing state in the process of taking out the water surface, and further, water of other water layers can be prevented from entering the sampling tube 9, thereby ensuring the sampling accuracy of the sample and being beneficial to ensuring the accuracy of the subsequent detection result; meanwhile, the defect that only near water on a river bank can be extracted and further water cannot be sampled can be overcome, so that the sampling water area is favorably enlarged, and the use requirement in sampling is greatly met.

Specifically, a sealing sliding sleeve is arranged on the circumferential outer wall of the plug 12, and the plug 12 is in sealing sliding connection with the inner wall of the plug hole 131 through the sealing sliding sleeve.

Specifically, a balancing weight 17 is fixedly arranged at the bottom of the sampling tube 9.

Specifically, the sliding plates 11 are provided with sliding blocks on both sides thereof, sliding rails are provided on both inner walls of the movable chamber 91 above the water inlet 93, and the sliding blocks are slidably connected to the sliding rails.

Specifically, an adjusting bolt 3 for locking the telescopic movable rod 2 is connected to the telescopic sleeve 1 through threads.

In particular, the flushing air bag 15 is also provided with a deflating valve 16 for deflating the traction snorkel 7 and the telescopic air bag 10.

The working principle is as follows: before sampling, the air bag 10 is inflated by the cooperation of the air bag 15 and the draft vent pipe 7, and the air bag 10 is in an extended state, and the tension return spring 14 is in a stretched state, at the same time, the plug 12 is plugged into the plug hole 131 (shown in fig. 4), and the sampling collection cavity 92 is in a sealed state;

when sampling, the hand crank 4 rotates the rotating shaft 5 and the winding disc 6 to further wind and unwind the traction vent pipe 7, the sampling cylinder 9 and the balancing weight 17 are firstly put into a river water layer to be sampled, then the gas in the telescopic air bag 10 is discharged through the opening of the air release valve 16 to be contracted, the tension return spring 14 is reset (as shown in figure 3), at the same time, the water in the river automatically flows into the sampling collection cavity 92 from the water inlet 93 and the plug hole 131 in sequence, after collection, the telescopic air bag 10 is inflated through the matching of the air bag 15 and the traction vent pipe 7, the telescopic air bag 10 is in a stretching state, the tension return spring 14 is in a stretching state, at the same time, the plug 12 is plugged into the plug hole 131 to be sealed (as shown in figure 4), and then the hand crank 4 drives the rotating shaft 5 and the winding disc 6 to rotate, the traction breather pipe 7 is wound, and the sampling cylinder 9 and the balancing weight 17 are taken out from the river; therefore, the sample taken out from the sampling cylinder 9 is relatively sealed, so that water in other water layers can be prevented from entering the sampling cylinder 9, the sampling accuracy of the sample can be ensured, and the accuracy of a subsequent detection result is ensured;

on the other hand, can also come to stretch out and draw back the regulation to length between telescopic tube 1 and the flexible movable rod 2 through adjusting bolt 3, and then can avoid in the past can only draw the nearer water of river bank, can not carry out the drawback of taking a sample to water far away to be favorable to improving the scope in sample waters, the in-service use demand when having satisfied the sample greatly.

The 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 utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A sampling device for water conservancy water quality detection comprises a sampling tube (9), a telescopic sleeve (1) and a telescopic movable rod (2) sleeved on the telescopic sleeve (1), and is characterized in that a rotating shaft (5) is rotatably arranged on the telescopic sleeve (1), a winding disc (6) is fixedly sleeved on the rotating shaft (5), a guide ring (8) is fixedly arranged at the other end of the telescopic movable rod (2), the sampling tube (9) is positioned below the guide ring (8), one end of a traction vent pipe (7) is fixedly sleeved at the top of the sampling tube (9), the other end of the traction vent pipe (7) penetrates through the guide ring (8) and is wound and coiled on the winding disc (6), the other end of the traction vent pipe (7) penetrates through the outer side of the winding disc (6) and is fixedly connected with an air flushing bag (15), and the air flushing bag (15) is further fixed on the rotating shaft (5) through a connecting seat, a hand crank (4) is fixedly arranged on one side of the rotating shaft (5) far away from the air-flushing bag (15);

the interior of the sampling tube (9) is divided into a movable cavity (91) and a sampling collection cavity (92) positioned below the movable cavity (91) by a partition plate (13), a sliding plate (11) is arranged in the movable cavity (91) in a sliding way, a telescopic air bag (10) is fixedly connected between the top of the sliding plate (11) and the inner wall of the top of the movable cavity (91), one end of the traction breather pipe (7) is communicated with the inside of the telescopic air bag (10), a stretching return spring (14) is fixedly connected between the sliding plate (11) and the inner wall of the top of the movable cavity (91), water inlets (93) are arranged on the inner walls of the two sides of the movable cavity (91), the water inlet (93) is positioned at the lower side of the sliding plate (11), the bottom of the sliding plate (11) is fixedly provided with a plug (12), the partition plate (13) is provided with a plug hole (131), and the plug (12) is matched with the plug hole (131).

2. The water conservancy water quality testing sampling device of claim 1, characterized in that, the circumference outer wall of stopper post (12) is provided with sealed sliding sleeve, and stopper post (12) passes through sealed sliding sleeve and the inner wall sealing sliding connection of consent (131).

3. The water conservancy water quality testing uses sampling device according to claim 1, characterized in that, the bottom of sampling tube (9) is fixed and is provided with balancing weight (17).

4. The water conservancy water quality testing sampling device of claim 1, characterized in that both sides of the sliding plate (11) are provided with slide blocks, the inner walls of both sides of the movable cavity (91) above the water inlet (93) are provided with slide rails, and the slide blocks are slidably connected with the slide rails.

5. The water conservancy water quality testing uses sampling device according to claim 1, characterized in that threaded connection has on the telescopic tube (1) is used for adjusting bolt (3) to telescopic movable rod (2) locking.

6. The sampling device for water conservancy water quality detection according to claim 1, wherein the air flushing bag (15) is further provided with an air release valve (16) for releasing the traction air pipe (7) and the telescopic air bag (10).