CN219625121U

CN219625121U - Water quality monitoring sampling device

Info

Publication number: CN219625121U
Application number: CN202320075152.2U
Authority: CN
Inventors: 王婧; 那耀中; 韦继业
Original assignee: Shanxi Zhongwei Jianyuan Technology Co ltd
Current assignee: Shanxi Zhongwei Jianyuan Technology Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-09-01
Anticipated expiration: 2033-01-10

Abstract

The utility model relates to the technical field of river and lake water quality detection, and provides a water quality monitoring sampling device which comprises a sampling cylinder with an opening at the top, wherein a fixing plate is fixedly connected to the top of the sampling cylinder, a long rod in the vertical direction is connected to the fixing plate in a penetrating manner, the bottom of the long rod extends into the sampling cylinder and is fixedly connected with a piston block inserted into the sampling cylinder, a discharge hole is formed in one side of the surface of the piston block, and a plugging piece for plugging the inside of the discharge hole is detachably and fixedly arranged on the piston block. The utility model can change the length of the connecting rope I in a knotting way, so that the length between the floating ball and the water inlet pipe is just the depth of water to be sampled, the sampling cylinder can sink in the water, and water can be sucked from the water inlet pipe into the sampling cylinder for storage.

Description

Water quality monitoring sampling device

Technical Field

The utility model relates to the technical field of river and lake water quality detection, in particular to a water quality monitoring and sampling device.

Background

Physicochemical properties and dynamic characteristics of river and lake water. The physical properties of river and lake water mainly refer to water temperature, color, transparency, smell and taste. The chemical nature is determined by the gas, ions, molecules, colloidal substances and suspended solids dissolved and dispersed in the river water, microorganisms and the contents of these substances.

When monitoring the water quality of the river and lake water, the river and lake water needs to be sampled and detected to obtain the water quality property characteristics in the river and lake water, two modes of directly scooping the river and lake water through a container exist at present, the mode can only obtain a sample on the surface of the river and lake water, and the mode can only be used for sampling the river and lake water through a water pump and a pipeline, but the depth of the pipeline extending into the river and lake water is often disturbed by a water layer, so that the pipeline floats in the water, the problems of inaccurate depth setting, sampling mixing and the like are solved, and therefore, the water quality monitoring sampling device is necessary to solve the problems.

Disclosure of Invention

The utility model aims to provide a water quality monitoring and sampling device so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a water quality monitoring sampling device, including the top for open-ended sampling tube, the top fixedly connected with fixed plate of sampling tube, it is vertical direction's stock to alternate on the fixed plate, the bottom of stock extends to in the sampling tube and fixedly connected with pegging graft the piston piece in the sampling tube, the discharge port has been seted up on surface one side of piston piece, and can dismantle fixedly on the piston piece and be provided with the shutoff piece that is used for shutoff discharge port inside, the bottom fixedly connected with of sampling tube is linked together rather than inside and is used for the inlet tube of inhaling water, the top fixedly connected with connecting rope of stock, one side fixedly connected with that connecting rope kept away from the stock can float on the river, the equal fixedly connected with connecting rope of surface both sides of sampling tube, and two connecting ropes are kept away from one side common fixedly connected with that links to each other with sampling tube pulls the rope.

Preferably, the blocking piece is a rubber plug, and the rubber plug is arranged in the discharge hole so as to be capable of blocking the fluid from being discharged from the sampling cylinder.

Preferably, the one-way valve for blocking the fluid in the sampling tube from flowing into the water inlet tube is fixedly connected in the water inlet tube so as to prevent the water sample taken in the sampling tube from flowing out of the water inlet tube.

Preferably, the length of the long rod is greater than the height of the inner wall of the sampling cylinder, so that the piston block can be completely lifted in the sampling cylinder.

Preferably, the top fixedly connected with handle of stock, and the fixed rubber sleeve that has cup jointed of surface mounting of handle, staff can hold the handle and press the stock.

Preferably, the length of the first connecting rope is 3-5 m, and enough length can be suitable for sampling with different fixed depths.

Preferably, the sampling cylinder is a stainless steel cylinder, so that the problem that the sampling cylinder rusts when being contacted with water for a long time can be avoided.

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

the utility model can change the length of the connecting rope I in a knotting way, so that the length between the floating ball and the water inlet pipe is just the depth of water to be sampled, the rope is pulled by hand, the sampling cylinder is thrown into the water, the sampling cylinder can sink in the water until the floating ball floats on the water surface and the long rod is pulled upwards, at the moment, the piston block can move upwards in the sampling cylinder and suck the water from the water inlet pipe into the sampling cylinder for storage through negative pressure, the sampling way not only does not need to be driven by electric appliances such as a water pump, the manufacturing and using cost is lower, and the water sample with a fixed depth can be accurately obtained, so that the utility model has higher practicability.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic plan view of the present utility model;

FIG. 3 is a schematic view of the cross-sectional structure of FIG. 2 taken along the line A-A in accordance with the present utility model;

FIG. 4 is an exploded view of a piston block and plug according to the present utility model;

in the figure: 1. a sampling cylinder; 2. a fixing plate; 3. a long rod; 4. a piston block; 5. a discharge hole; 6. a rubber stopper; 7. a water inlet pipe; 8. a one-way valve; 9. a first connecting rope; 10. a floating ball; 11. a second connecting rope; 12. pulling the rope; 13. a handle.

Detailed Description

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.

It will be apparent that numerous specific details are set forth in the following description in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than as described herein, and therefore the present utility model is not limited to the specific embodiments of the present disclosure.

Referring to fig. 1-4, the present utility model provides a water quality monitoring and sampling device: comprises a sampling cylinder 1 with an opening at the top, a fixing plate 2 is fixedly connected at the top of the sampling cylinder 1, a long rod 3 in the vertical direction is connected on the fixing plate 2 in a penetrating way, the bottom of the long rod 3 extends into the sampling cylinder 1 and is fixedly connected with a piston block 4 inserted in the sampling cylinder 1, a discharge hole 5 is arranged on one side of the surface of the piston block 4, a plugging piece for plugging the inside of the discharge hole 5 is detachably and fixedly arranged on the piston block 4, a water inlet pipe 7 communicated with the inside of the sampling cylinder 1 and used for sucking water is fixedly connected at the bottom of the sampling cylinder 1, a first connecting rope 9 is fixedly connected at the top of the long rod 3, a floating ball 10 capable of floating on a river surface is fixedly connected at one side of the first connecting rope 9 away from the long rod 3, a second connecting rope 11 is fixedly connected at two sides of the surface of the sampling cylinder 1, a pulling rope 12 is fixedly connected at one side of the second connecting rope 11 away from the sampling cylinder 1, through the design, the plugging piece can be detached from the piston block 4 firstly, the long rod 3 is held by a hand to press the piston block 4 towards the bottom of the inner wall of the sampling tube 1, at the moment, gas in the sampling tube 1 can be discharged through the discharge hole 5, then the plugging piece is used for plugging the discharge hole 5, then the length of the connecting rope I9 is required to be changed in a mode of knotting the connecting rope I9, the length between the floating ball 10 and the water inlet pipe 7 is just the depth of the water to be sampled, the sampling tube 1 is thrown into the water by holding the dragging rope 12, the sampling tube 1 is made of a material with the density far greater than that of the water, the sampling tube 1 can be directly submerged into the water by self gravity, the connecting rope I9 is bent in the early stage of the sinking of the sampling tube 1, then gradually sink the sampling tube 1 until the sampling tube 1 is straightened (the sampling tube 1 reaches the target sampling position after being straightened), at the moment, the floating ball 10 floats on the water surface and exerts a pulling force on the top end of the connecting rope 9, then under the action of the pulling force, the long rod 3 is pulled upwards and drives the piston block 4 to move upwards in the sampling tube 1, then water is sucked into the sampling tube 1 from the water inlet pipe 7 through negative pressure for storage, then the sampling tube 1 is pulled out of the water through the pulling rope 12, the sampling tube 1 filled with the fixed-depth water sample can be obtained, the obtained water sample can be discharged out of the sampling tube 1 through the discharge hole 5 for detection, the sampling mode is not only driven by electric appliances such as a water pump, the manufacturing and using cost is low, and the fixed-depth water sample can be accurately obtained, so that the sampling tube has high practicability.

Referring to fig. 4, the plugging member is a rubber plug 6, and the rubber plug 6 is plugged in the discharge hole 5, and the air/water sample in the sampling tube 1 can be discharged from the discharge hole 5 by pulling the rubber plug 6 out of the discharge hole 5 by hand.

Specifically, the check valve 8 that is used for stopping the fluid in the sampling tube 1 to flow in the inlet tube 7 is fixedly connected with in the inlet tube 7 to avoid the water sample that takes in the sampling tube 1 to flow out from the inlet tube 7, such design can be more reasonable.

It should be noted that, the length of the long rod 3 is greater than the height of the inner wall of the sampling tube 1, so that the piston block 4 can be completely lifted in the sampling tube 1, and the sampling tube 1 can be ensured to be full of water sample.

In some embodiments, the top of the long rod 3 is fixedly connected with a handle 13, and the surface of the handle 13 is fixedly sleeved with a rubber sleeve, so that a worker can hold the handle 13 to press the long rod 3, the holding comfort is improved, and the phenomenon of hand sliding is reduced.

Specifically, the length of the first connecting rope 9 is 3-5 meters, so that sampling with different fixed depths can be suitable.

Meanwhile, the sampling tube 1 is a stainless steel tube, so that the problem that the sampling tube 1 rusts when being contacted with water for a long time is avoided.

Claims

1. The utility model provides a water quality monitoring sampling device, includes that the top is open-ended sampling tube (1), its characterized in that: the top fixedly connected with fixed plate (2) of sampling tube (1), alternate on fixed plate (2) and be connected with stock (3) that are vertical direction, stock (3) bottom extends to in sampling tube (1) and fixedly connected with pegging graft piston piece (4) in sampling tube (1), discharge port (5) have been seted up on surface one side of piston piece (4), and can dismantle fixedly on piston piece (4) and be provided with the shutoff piece that is used for shutoff discharge port (5) inside, the bottom fixedly connected with of sampling tube (1) is linked together rather than inside inlet tube (7) that are used for the suction water, stock (3) top fixedly connected with connecting rope one (9), one side fixedly connected with that connecting rope one (9) kept away from stock (3) can float floater (10) on the river surface, equal fixedly connected with connecting rope two (11) in the surface both sides of sampling tube (1), and two connecting ropes two (11) keep away from and are connected with one and draw rope (12) jointly fixedly connected with that links to each other with sampling tube (1).

2. The water quality monitoring and sampling device according to claim 1, wherein: the plugging piece is a rubber plug (6), and the rubber plug (6) is plugged in the discharge hole (5).

3. The water quality monitoring and sampling device according to claim 1, wherein: the inside of the water inlet pipe (7) is fixedly connected with a one-way valve (8) which is used for blocking the fluid in the sampling cylinder (1) from flowing into the water inlet pipe (7).

4. The water quality monitoring and sampling device according to claim 1, wherein: the length of the long rod (3) is larger than the height of the inner wall of the sampling tube (1).

5. The water quality monitoring and sampling device according to claim 1, wherein: the top of the long rod (3) is fixedly connected with a handle (13), and the surface of the handle (13) is fixedly sleeved with a rubber sleeve.

6. The water quality monitoring and sampling device according to claim 1, wherein: the length of the first connecting rope (9) is 3-5 meters.

7. The water quality monitoring and sampling device according to claim 1, wherein: the sampling cylinder (1) is a stainless steel cylinder.