Ecological environment water quality sampling device

Abstract

The utility model discloses an ecological environment water quality sampling device, which belongs to the technical field of water quality detection and comprises an electric push rod, a connecting seat is fixed at the output end of the electric push rod and is of a U-shaped structure, a motor is mounted on one side wall of the connecting seat, an extraction pipe is arranged below the connecting seat, and connecting shafts are fixed on two side walls of the extraction pipe. Original immersed sampling is converted into extraction sampling, in the sampling process, the length of the extraction pipe can be changed by splicing the extraction pipe, then the splicing number is rotated according to the sampling depth, then water at the sampling depth can be extracted through the metering pump and injected into the sampling bottle to be collected, and in the sampling process, the sampling depth is adjusted, and the sampling efficiency is improved. The extraction pipe can be always kept vertically standing in water, so that the sampling effect is ensured, and meanwhile, after sampling is completed, the extraction pipe can be driven by the motor to rotate and be folded, so that a worker can conveniently carry the sampling device.

Description

Technical Field

[0001] The utility model relates to the technical field of water quality detection, in particular to an ecological environment water quality sampling device. Background Art

[0002] The water environment in the ecological environment refers to the water bodies surrounding the human space and which can directly or indirectly affect human life and development. Water environment management mainly includes regular investigations on water pollution sources and strengthening water quality monitoring upstream of water sources. Therefore, regular water quality sampling is required for monitoring. When sampling water quality, a water quality sampling device is required.

[0003] The existing ecological environment water quality sampling devices are mostly used to sample water quality by setting a counterweight on the sampling bottle so that the sampling bottle can be immersed in water. At the same time, it needs to be lifted with a reel. During the sampling process, the reel will float in the water due to its light weight, which will cause a certain error between the depth of the sampling bottle and the perceived depth, which not only affects the sampling accuracy of the device, but also affects the test results. Utility Model Content

[0004] The main purpose of the utility model is to provide an ecological environment water quality sampling device.

[0005] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0006] An ecological environment water quality sampling device comprises an electric push rod, a connecting seat is fixed on the output end of the electric push rod, the connecting seat is a U-shaped structure, a motor is installed on one side wall of the connecting seat, an extraction tube is arranged below the connecting seat, connecting shafts are fixed on both side walls of the extraction tube, a metering pump is installed in the connection, a connecting pipe is installed between the suction port of the metering pump and the extraction tube, a shunt tube is installed on the discharge port of the metering pump, a first solenoid valve is installed at one end of the shunt tube, a second solenoid valve is installed at the other end of the shunt tube, a guide tube is connected to the output end of the second solenoid valve, a limiting cavity is opened on one side of the upper end of the connecting seat, and a sampling bottle is placed in the limiting cavity.

[0007] Preferably, the connecting seat is connected to the output end of the electric push rod by screws, the motor is fixed to a side wall of the connecting seat by bolts, and the motor is a waterproof motor.

[0008] Preferably, the extraction tube is rotatably connected to the connection seat via the connection shaft, the output shaft of the motor is fixedly connected to the connection shaft, the extraction tube is a splicable structure, the splicing method can be a threaded connection, and a filter is installed at one end of the extraction tube.

[0009] Preferably, the metering pump is fixed in the connecting seat by bolts, the connecting pipe is connected to the metering pump and the extraction pipe by threads, and the connecting pipe is a hose.

[0010] Preferably, the shunt pipe is connected to the metering pump via bolts, the shunt pipe is a T-shaped structure, and the first solenoid valve and the second solenoid valve are both connected to the shunt pipe via threads.

[0011] Preferably, one end of the flow guide tube is fixed to the output end of the second solenoid valve, and the other end of the flow guide tube is connected to the sampling tube through a thread, and the flow guide tube is a hose.

[0012] Preferably, a mounting seat is provided on the fixed wall of the electric push rod, a concave cavity is opened at the upper end of the mounting seat, and an operating panel is rotatably mounted in the concave cavity.

[0013] Beneficial technical effects of the utility model:

[0014] The utility model transforms the original immersion sampling into extraction sampling. During the sampling process, the length of the extraction tube can be changed by splicing the extraction tube, and then the number of splicing is rotated according to the sampling depth. Then, the water quality of the sampling depth can be extracted by a metering pump and injected into the sampling bottle for collection. During the sampling process, the extraction tube can always be kept vertically erected in the water, thereby ensuring the sampling effect. At the same time, when the sampling is completed, the extraction tube can be driven to rotate by a motor and folded to be convenient for staff to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a preferred embodiment of an ecological environment water quality sampling device according to the utility model;

[0016] Figure 2 In a preferred embodiment of an ecological environment water quality sampling device according to the utility model Figure 1 The enlarged view of point A in the middle;

[0017] Figure 3 It is a schematic diagram of the internal structure of a connecting seat in a preferred embodiment of an ecological environment water quality sampling device according to the utility model;

[0018] Figure 4 It is a front view of an operating panel in a preferred embodiment of an ecological environment water quality sampling device according to the utility model.

[0019] The following are the descriptions of the reference numerals:

[0020] 1. Extraction tube; 2. Connecting seat; 3. Motor; 4. Mounting seat; 5. Operation panel; 6. Electric push rod; 7. Connecting tube; 8. Connecting shaft; 9. Sampling bottle; 10. Flow guide tube; 11. Second solenoid valve; 12. First solenoid valve; 13. Diverter tube; 14. Metering pump; 15. Limiting cavity; 16. Concave cavity. DETAILED DESCRIPTION

[0021] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation methods of the present invention are not limited thereto.

[0022] like Figure 1-Figure 3 As shown, an ecological environment water quality sampling device provided in this embodiment includes an electric push rod 6, a connecting seat 2 is fixed on the output end of the electric push rod 6, the connecting seat 2 is a U-shaped structure, a motor 3 is installed on one side wall of the connecting seat 2, an extraction tube 1 is arranged below the connecting seat 2, connecting shafts 8 are fixed on both side walls of the extraction tube 1, a metering pump 14 is installed in the connection, a connecting pipe 7 is installed between the suction port of the metering pump 14 and the extraction tube 1, a shunt tube 13 is installed on the discharge port of the metering pump 14, a first solenoid valve 12 is installed at one end of the shunt tube 13, a second solenoid valve 11 is installed at the other end of the shunt tube 13, a guide tube 10 is connected to the output end of the second solenoid valve 11, a limiting cavity 15 is opened on one side of the upper end of the connecting seat 2, and a sampling bottle 9 is placed in the limiting cavity 15.

[0023] The connecting seat 2 is connected to the output end of the electric push rod 6 by screws, and the motor 3 is fixed to a side wall of the connecting seat 2 by bolts. The motor 3 is a waterproof motor. The motor 3 can drive the extraction tube 1 to rotate through the connecting shaft 8, and then fold it for storage for easy carrying.

[0024] The extraction tube 1 is rotatably connected to the connection seat 2 through the connecting shaft 8, and the output shaft of the motor 3 is fixedly connected to the connecting shaft 8. The extraction tube 1 is a splicable structure, and the splicing method can be a threaded connection. A filter is installed at one end of the extraction tube 1. By changing the splicing number of the extraction tube 1, it is possible to sample water quality at different depths.

[0025] The metering pump 14 is fixed in the connecting seat 2 by bolts, and the connecting pipe 7 is connected to the metering pump 14 and the extraction pipe 1 by threads. The connecting pipe 7 is a hose, which can ensure the folding performance of the extraction pipe 1. The metering pump 14 quantitatively extracts water at the sampling depth through the extraction pipe 1.

[0026] The shunt pipe 13 is connected to the metering pump 14 by bolts. The shunt pipe 13 is a T-shaped structure. The first solenoid valve 12 and the second solenoid valve 11 are connected to the shunt pipe 13 by threads. During the extraction process, the first solenoid valve 12 is opened and the second solenoid valve 11 is closed. At this time, the residual water in the extraction pipe 1 can be discharged first. After the residual water is discharged, the first solenoid valve 12 is closed and the second solenoid valve 11 is opened.

[0027] One end of the flow guide tube 10 is fixed to the output end of the second solenoid valve 11, and the other end of the flow guide tube 10 is connected to the sampling tube through a thread. The flow guide tube 10 is a hose, and the extracted water enters the sampling bottle 9 through the flow guide tube 10 for collection.

[0028] A mounting seat 4 is arranged on the fixed wall of the electric push rod 6. A concave cavity 16 is formed at the upper end of the mounting seat 4. An operating panel 5 is rotatably mounted in the concave cavity 16. The operating panel 5 controls the operation of the device.

[0029] The working principle of this device is as follows: first, the extraction tube 1 is spliced ​​according to the sampling depth. After the splicing is completed, the external power supply is turned on. The staff holds the electric push rod 6 and controls it to adjust the connecting seat 2 to the sampling position. Then the motor 3 drives the extraction tube 1 to rotate through the connecting shaft 8 so that it is vertically inserted into the water. Then the water quality of the sampling depth can be extracted through the metering pump 14. During the sampling process, the first solenoid valve 12 is opened and the second solenoid valve 11 is closed. At this time, the residual water in the extraction tube 1 can be discharged first. When the residual water is discharged, the first solenoid valve 12 is closed and the second solenoid valve 11 is opened. The extracted water enters the sampling bottle 9 through the guide tube 10 for collection. The extraction tube 1 can always remain vertically erected in the water, thereby ensuring the sampling effect. At the same time, when the sampling is completed, the extraction tube 1 can be driven to rotate by the motor 3 and folded for easy carrying by the staff.

[0030] The above are only further embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the scope disclosed by the present invention according to the technical solution and concept of the present invention, which fall within the protection scope of the present invention.

Claims

1. An ecological environment water quality sampling device, characterized in that: The invention comprises an electric push rod (6), a connection seat (2) being fixed on the output end of the electric push rod (6), the connection seat (2) being a U-shaped structure, a motor (3) being mounted on one side wall of the connection seat (2), an extraction pipe (1) being arranged below the connection seat (2), connection shafts (8) being fixed on both side walls of the extraction pipe (1), a metering pump (14) being mounted in the connection, a connection pipe (7) being mounted between the suction port of the metering pump (14) and the extraction pipe (1), a shunt pipe (13) being mounted on the discharge port of the metering pump (14), a first solenoid valve (12) being mounted on one end of the shunt pipe (13), a second solenoid valve (11) being mounted on the other end of the shunt pipe (13), a flow guide pipe (10) being connected to the output end of the second solenoid valve (11), a limiting cavity (15) being arranged on one side of the upper end of the connection seat (2), a sampling bottle (9) being placed in the limiting cavity (15).

2. The ecological environment water quality sampling device according to claim 1 is characterized by: The connecting seat (2) is connected to the output end of the electric push rod (6) by means of screws, and the motor (3) is fixed to a side wall of the connecting seat (2) by means of bolts. The motor (3) is a waterproof motor.

3. The ecological environment water quality sampling device according to claim 2 is characterized by: The extraction pipe (1) is rotatably connected to the connection seat (2) via the connection shaft (8); the output shaft of the motor (3) is fixedly connected to the connection shaft (8); the extraction pipe (1) is a splicable structure, and the splicing method can be a threaded connection; a filter screen is installed at one end of the extraction pipe (1).

4. The ecological environment water quality sampling device according to claim 3 is characterized by: The metering pump (14) is fixed in the connection seat (2) by means of bolts, the connection pipe (7) is connected to the metering pump (14) and the extraction pipe (1) by means of threads, and the connection pipe (7) is a hose.

5. The ecological environment water quality sampling device according to claim 4 is characterized by: The shunt pipe (13) is connected to the metering pump (14) via bolts; the shunt pipe (13) is a T-shaped structure; the first solenoid valve (12) and the second solenoid valve (11) are both connected to the shunt pipe (13) via threads.

6. The ecological environment water quality sampling device according to claim 5 is characterized by: One end of the flow guide tube (10) is fixed to the output end of the second solenoid valve (11), and the other end of the flow guide tube (10) is connected to the sampling tube via a thread; the flow guide tube (10) is a hose.

7. An ecological environment water quality sampling device according to claim 6, characterized in that: A mounting seat (4) is provided on the fixed wall of the electric push rod (6), a concave cavity (16) is provided at the upper end of the mounting seat (4), and an operating panel (5) is rotatably mounted in the concave cavity (16).

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