CN217542514U - A water sampling device - Google Patents

Abstract

The utility model discloses a water sampling device, which relates to the technical field of environmental monitoring. Pull plate connection; rubber tube, one end of which is sealed with the open end of the suction cylinder; connecting tube, sealed with the end of the rubber tube away from the suction cylinder; liquid extraction tube, detachable and sealed connection with the end of the connecting tube away from the rubber tube; Several spacers are evenly arranged on the inner wall of the liquid taking pipe, and the spacer and the inner wall of the liquid taking pipe form an annular water storage chamber, and the position corresponding to each water storage chamber on the side wall of the liquid taking pipe is respectively provided with The water inlet pipe has a one-way valve on the water inlet pipe; the weight is detachably connected to the end of the liquid taking pipe away from the connecting pipe; the application has the advantages of convenient use, suitable for multi-scenario use, and low production cost.

Description

A water sampling device

technical field

The utility model relates to the technical field of environmental monitoring, in particular to a water body sampling device.

Background technique

Environmental monitoring includes the detection of water bodies. The existing water body sampling method is mainly by extending the water pipe of the water pump to a certain depth in the water body, and then pumping water through the water pump. This sampling method is more suitable for the actual operation process. Large water areas require power supply and are not suitable for urban rivers with small water areas. Therefore, this application provides a water body sampling device.

Utility model content

The technical problem to be solved by the present invention is to provide a water body sampling device to solve the problem of inconvenient use of the water body sampling device in the prior art described in the background art.

In order to solve the above-mentioned problems, the utility model provides the following technical solutions: a water sampling device, comprising:

The piston is slidably arranged in the air extraction cylinder;

The sliding rod runs through the side wall of the air extraction cylinder, one end is connected with the piston through the connecting plate, and the other end is connected with the pulling plate;

A rubber tube, one end of which is sealed with the open end of the suction cylinder;

The connecting pipe is sealed with the end of the rubber pipe away from the suction cylinder;

The liquid taking pipe is detachably connected with the end of the connecting pipe away from the rubber pipe;

Several spacers are evenly arranged on the inner wall of the liquid taking pipe, and the spacer and the inner wall of the liquid taking pipe form an annular water storage chamber, and the position corresponding to each water storage chamber on the side wall of the liquid taking pipe is respectively provided with The water inlet pipe has a one-way valve on the water inlet pipe;

The weight is detachably connected to the end of the pipette away from the connecting pipe.

Preferably: the spacer is composed of a constriction pipe and a conical plate sleeved on the outer wall of the constriction pipe, the conical plate is connected to the end of the constriction pipe with a smaller diameter of the orifice, and the spacer passes through the conical plate. The outer wall is seamlessly connected with the inner wall of the liquid taking tube.

Preferably: the open end of the liquid taking pipe is provided with an inner threaded pipe, the connecting pipe is provided with an outer threaded pipe, the outer threaded pipe extends into the inner threaded pipe and is connected by threads.

Preferably, a sealing sleeve is sleeved on the outer wall of the externally threaded pipe, the internally threaded pipe is inserted into the sealing sleeve, and a sealing ring is provided between the sealing sleeve and the internally threaded pipe.

Preferably: the open end of the air extraction cylinder is provided with a first positioning pipe, the outer wall of the first positioning pipe is provided with a first convex ring, one end of the connecting pipe is provided with a second positioning pipe, and the outer wall of the second positioning pipe is provided with There is a second convex ring, one end of the rubber tube is tightly sleeved on the outer wall of the first positioning tube and goes over the first convex ring, and the other end is tightly sleeved on the outer wall of the second positioning tube and passes over the second convex ring.

Preferably: the side wall of the liquid taking pipe is provided with a threaded cover, and the weight is connected with the threaded cover through threads.

The beneficial effects of adopting the above technical solutions are:

In the present application, the air extraction cylinder and the connecting pipe are connected by a rubber tube, and then the liquid extraction pipe is connected through the connecting pipe, and the liquid extraction pipe is turned into a negative pressure through the air extraction cylinder, so that the water inlet pipe can extract water from the water body, and different water inlet pipes can extract water. The water in different water layers can be prevented from backflowing from the water inlet pipe through the one-way valve.

Description of drawings

Figure 1 is a schematic structural diagram of a water sampling device of the present invention.

Fig. 2 is the structural schematic diagram of the liquid taking pipe of the present invention.

Among them: the suction cylinder 10, the first positioning tube 11, the first convex ring 12, the piston 20, the connecting plate 21, the sliding rod 30, the pulling plate 31, the rubber tube 40, the connecting tube 50, the second positioning tube 51, the second convex Ring 52, male threaded pipe 53, sealing sleeve 54, sealing ring 55, liquid taking pipe 60, female threaded pipe 61, spacer pipe 70, water storage chamber 71, water inlet pipe 72, one-way valve 73, weight 80, threaded cover 81.

Detailed ways

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in Figure 1-2, in the first embodiment, a water sampling device, including

The piston 20 is slidably arranged in the air extraction cylinder 10;

The sliding rod 30 runs through the side wall of the air extraction cylinder 10, one end is connected with the piston 20 through the connecting plate 21, and the other end is connected with the pulling plate 31;

One end of the rubber tube 40 is sealedly connected with the open end of the air suction cylinder 10;

The connecting pipe 50 is sealedly connected with one end of the rubber pipe 40 away from the air suction cylinder 10;

The liquid taking pipe 60 is detachably and sealedly connected to the end of the connecting pipe 50 away from the rubber pipe 40;

Several spacers 70 are evenly arranged on the inner wall of the liquid taking pipe 60, and the spacer 70 and the inner wall of the liquid taking pipe 60 form an annular water storage chamber 71, and the side wall of the liquid taking pipe 60 corresponds to each water storage chamber 71. The positions of the chambers 71 are respectively provided with water inlet pipes 72, and the water inlet pipes 72 are provided with a one-way valve 73;

The weight 80 is detachably connected to the end of the liquid taking tube 60 away from the connecting tube 50 .

This embodiment is implemented like this:

The weight 80 can make the liquid taking tube 60 and the rubber tube 40 sink vertically into the water, and then pull the pull plate 31, so that the sliding rod 30 drives the piston 20 to move through the connecting plate 21, so that a certain amount of water is generated in the liquid taking tube 60. Negative pressure, at this time, the water inlet pipe 72 can suck water into the water storage chamber 71 , and the one-way valve 73 can prevent the water in the water storage chamber 71 from flowing back from the liquid intake pipe 60 .

Embodiment 2

As an optimized solution of the first embodiment, the spacer 70 is composed of a constricted pipe and a conical plate sleeved on the outer wall of the constricted pipe. The tube 70 is seamlessly connected to the inner wall of the liquid sampling tube 60 through the outer wall of the conical plate.

This embodiment is implemented in such a way that the constricted tube and the conical plate on the spacer 70 can prevent the water in the water storage chamber 71 from flowing into other water storage chambers 71. Even if the water in the water storage chamber 71 overflows, the It will only flow to the bottom of the pipette 60 .

Embodiment 3

As an optimized solution of the first embodiment, the open end of the liquid taking pipe 60 is provided with an internally threaded pipe 61, the connecting pipe 50 is provided with an externally threaded pipe 53, and the externally threaded pipe 53 extends into the internally threaded pipe 61 and passes through the thread connect.

This embodiment is implemented in such a way that the connection pipe 50 and the liquid taking pipe 60 are detachably connected through the externally threaded pipe 53 and the internally threaded pipe 61 .

As a further optimized solution of this embodiment, the outer wall of the externally threaded pipe 53 is sleeved with a sealing sleeve 54 , the internally threaded pipe 61 extends into the sealing sleeve 54 , and there is a sealing ring between the sealing sleeve 54 and the internally threaded pipe 61 55.

In this optimized solution, the sealing performance can be increased through the sealing sleeve 54 and the sealing ring 55 .

Embodiment 4

As an optimized solution of the first embodiment, the open end of the air extraction cylinder 10 is provided with a first positioning pipe 11, the outer wall of the first positioning pipe 11 is provided with a first convex ring 12, and one end of the connecting pipe 50 is provided with a second positioning pipe 11. Tube 51, the outer wall of the second positioning tube 51 is provided with a second convex ring 52, one end of the rubber tube 40 is tightly sleeved on the outer wall of the first positioning tube 11 and crosses the first convex ring 12, and the other end is tightly sleeved on the outer wall of the first positioning tube 11. The outer wall of the second positioning tube 51 goes over the second convex ring 52 .

This embodiment is implemented in such a way that the provided rubber tube 40 can be elastically sleeved on the first positioning tube 11 and the second positioning tube 51, and the first convex ring 12 and the second convex ring 52 make the rubber tube 40 able to The deformation occurs, resulting in a tighter connection between the rubber tube 40 and the first convex ring 12 and the second convex ring 52 in contact, so as to play a sealing role.

Embodiment 5

As an optimized solution of the first embodiment, the side wall of the liquid taking pipe 60 is provided with a threaded cover 81, and the weight 80 is connected with the threaded cover 81 through threads.

The present embodiment is implemented in such a way that the detachable connection of the weight 80 can be realized through the screw cover 81, and the weight 80 of different weights can be replaced.

The above are only the preferred embodiments of the present utility model. It should be pointed out that for those of ordinary skill in the art, some modifications and improvements can be made without departing from the inventive concept of the present utility model. The scope of protection of the utility model.

Claims (6)

1. A water sampling device comprises

The piston is arranged in the air extraction cylinder in a sliding manner;

the sliding rod penetrates through the side wall of the air extracting cylinder, one end of the sliding rod is connected with the piston through a connecting plate, and the other end of the sliding rod is connected with a pulling plate;

the method is characterized in that:

one end of the rubber tube is hermetically connected with the opening end of the air pumping cylinder;

the connecting pipe is hermetically connected with one end of the rubber pipe, which is far away from the air pumping cylinder;

the liquid taking pipe is detachably and hermetically connected with one end, far away from the rubber pipe, of the connecting pipe;

the partition pipes are uniformly arranged on the inner wall of the liquid taking pipe, annular water storage chambers are formed by the partition pipes and the inner wall of the liquid taking pipe, water inlet pipes are respectively arranged on the side wall of the liquid taking pipe corresponding to the positions of the water storage chambers, and one-way valves are arranged on the water inlet pipes;

the weight, detachable connects the one end of keeping away from the connecting pipe on the liquid intaking pipe.

2. The water sampling device of claim 1, wherein the spacer tube comprises a reducing pipe and a tapered plate sleeved on the outer wall of the reducing pipe, the tapered plate is connected to the end of the reducing pipe with the smaller diameter of the pipe orifice, and the spacer tube is seamlessly connected with the inner wall of the liquid taking pipe through the outer wall of the tapered plate.

3. The water sampling device of claim 1, wherein the open end of the liquid taking tube is provided with an internally threaded tube, and the connecting tube is provided with an externally threaded tube which extends into the internally threaded tube and is connected thereto by a screw thread.

4. A water sampling device according to claim 3 wherein the outer wall of the externally threaded tube is fitted with a gland, the internally threaded tube extends into the gland and there is a sealing ring between the gland and the internally threaded tube.

5. The water sampling device of claim 1, wherein the opening end of the suction tube is provided with a first positioning tube, the outer wall of the first positioning tube is provided with a first convex ring, one end of the connecting tube is provided with a second positioning tube, the outer wall of the second positioning tube is provided with a second convex ring, one end of the rubber tube tightly sleeves the outer wall of the first positioning tube and passes over the first convex ring, and the other end of the rubber tube tightly sleeves the outer wall of the second positioning tube and passes over the second convex ring.

6. The water sampling device of claim 1, wherein the sidewall of the liquid taking tube is provided with a threaded cap, and the weight is connected with the threaded cap through a thread.

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