Continuous water quality sampling device

Abstract

The utility model relates to the technical field of water quality sampling devices, in particular to a continuous water quality sampling device which comprises a balancing weight with a cylindrical structure, a switch mechanism is mounted at the top of the balancing weight, a plurality of groups of mounting components are fixedly mounted on the periphery of the balancing weight, and the mounting components are distributed in an array manner in the circumferential direction of the axis of the balancing weight. Sampling pipes are clamped in the mounting assembly, and the switching mechanism is used for continuously and sequentially controlling the opening and closing states of openings in the top ends of the sampling pipes in the sampling process; the switch mechanism comprises a rotating assembly fixedly installed on the top of the balancing weight. The end, away from the balancing weight, of the rotating assembly is fixedly connected with a switch assembly. According to the utility model, the balancing weight, the mounting assembly and the switch mechanism are arranged in a matched manner, so that continuous sampling operation can be carried out in water, and the problem that in the prior art, sampling can be carried out on multiple positions only by folding and unfolding the device for multiple times, so that the overall sampling working efficiency is reduced is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of water quality sampling devices, in particular to a continuous water quality sampling device. Background Art

[0002] Water sampling can obtain water quality information at a specific time and place, thus representing the water quality of the area. The water samples can be sent to the laboratory for analysis to detect the concentration of various substances and the content of pollutants in the water. These analysis results can help evaluate whether the water quality meets the relevant standards and regulatory requirements. Sampling water quality is an essential part of water quality monitoring work, and can provide important basis and support for protecting water resources, maintaining the ecological environment and human health.

[0003] In the prior art, there is a patent with application number CN202321791320.4, which provides a water quality sampler for convenient sampling, including a sampling tube and a piston, the piston is placed on the upper part of the interior of the sampling tube, a middle opening is opened in the middle position of the surface of the sampling tube, and side openings are opened on the surface of the sampling tube on both sides of the middle opening, and the middle position and both sides of the piston surface are integrally connected with sealing rubber, the sealing rubber plug is placed in the middle opening and the side opening, a connecting rope is vertically fixed in the middle position of the bottom of the piston, and a counterweight is fixed at the end of the connecting rope. When sampling, gravity is used to make the device sink to a suitable position in the water as a whole, and then the sampling tube is pulled up separately, and the piston is pulled down under the gravity of the counterweight, so that the water sample is collected and enters the sampling tube.

[0004] However, the above patent still has the following deficiencies during use:

[0005] Water bodies at different locations may be affected by different pollution sources. For example, the water quality near the discharge port may be affected by industrial wastewater, while the water quality far from the discharge port may be relatively clean. There may be differences in temperature, dissolved oxygen, nutrients and other substances at different depths, and it may also be affected by pollutants in the bottom mud. Therefore, sampling water at different locations and depths can provide a more comprehensive understanding of the pollution of water bodies, which helps to accurately assess the water quality and formulate corresponding management measures. However, the existing sampling device can only sample water at a single point during a single sinking sampling. When sampling other locations is required, the device needs to be retrieved and then lowered to the designated location again. The whole process is cumbersome and reduces the overall sampling efficiency. Utility Model Content

[0006] The purpose of the utility model is to provide a continuous water quality sampling device to solve the problems raised in the above background technology.

[0007] The purpose of the utility model can be achieved through the following technical solutions:

[0008] A continuous water quality sampling device, comprising a counterweight block of a columnar structure, a switch mechanism is installed on the top of the counterweight block, a plurality of mounting components are fixedly installed on the periphery of the counterweight block, the plurality of mounting components are arranged in a circumferential array about the axis of the counterweight block, a sampling tube is mounted in the mounting component, and the switch mechanism is used to continuously and sequentially control the opening and closing states of the top openings of the plurality of sampling tubes during the sampling process;

[0009] The switch mechanism comprises a rotating assembly fixedly mounted on the top of the counterweight block, one end of the rotating assembly away from the counterweight block is fixedly connected with a switch assembly, and the switch assembly is in elastic compression contact with the top ends of a plurality of sampling tubes.

[0010] Further, the rotating assembly includes a motor embedded in the counterweight block, the output shaft end of the motor rotates through the counterweight block to the top of the counterweight block, and the output shaft end of the motor is fixedly connected to a connecting disk, the outer periphery of the connecting disk is provided with a rotating ring coaxial with the counterweight block, and a plurality of connecting rods are fixedly connected between the inner wall of the rotating ring and the outer side of the connecting disk;

[0011] A connecting column is fixedly installed on the top surface of the connecting plate, and a lifting ring is fixedly installed on the top of the connecting column. The lifting ring is used to connect a traction rope to retract and release the device body in water;

[0012] The switch assembly is fixedly connected to the bottom surface of the rotating ring.

[0013] Further, the switch assembly includes a plurality of elastic support rods fixedly connected to the bottom surface of the rotating ring, the plurality of elastic support rods are arranged in a circumferential array on the bottom surface of the rotating ring about the axis of the rotating ring, the bottom ends of the plurality of elastic support rods are commonly fixedly connected to a mounting ring located directly below the rotating ring, the bottom surface of the mounting ring is covered with a layer of rubber pad, the bottom surface of the rubber pad is provided with an annular groove coaxial with the mounting ring, and when the sampling tube is in the installed state, the top end of the sampling tube extends into the annular groove and is in compression contact with the inner top surface of the annular groove;

[0014] A water inlet notch for guiding water into the sampling tube is provided on the top surface of the mounting ring, and the water inlet notch penetrates the rubber pad.

[0015] Furthermore, a filter screen is fixedly installed in the water inlet.

[0016] Furthermore, a plurality of groups of the mounting components are aligned with the annular groove, the mounting components include a second mounting block fixedly mounted at the top position of the outer periphery of the counterweight block and a first mounting block fixedly mounted at the bottom position of the outer periphery of the counterweight block, two parallel sliding rods are fixedly connected between the first mounting block and the second mounting block, a slider is slidably mounted through the outer periphery of the sliding rods, two springs are fixedly connected between the slider and the first mounting block, and the two springs are respectively sleeved on the outer peripheries of the two sliding rods;

[0017] One end of the second mounting block away from the counterweight block is fixedly connected to a limiting ring, and one end of the sliding block away from the counterweight block is fixedly installed with a limiting seat located directly below the limiting ring, and the top surface of the limiting seat is provided with a slot coaxial with the limiting ring.

[0018] Furthermore, a plurality of identification labels are provided on the top surface of the counterweight block, the number of the plurality of identification labels is equal to the number of the plurality of installation components, and the positions of the plurality of identification labels on the bottom surface of the counterweight block correspond one-to-one to the plurality of identification labels.

[0019] Beneficial effects of the utility model:

[0020] 1. The utility model can perform continuous sampling operations in water through the coordinated arrangement of the counterweight block, the mounting assembly and the switch mechanism, thereby solving the problem in the prior art that the device needs to be retracted and extended multiple times to complete sampling at multiple positions, thereby reducing the overall sampling work efficiency.

[0021] 2. The utility model cooperates with the switch assembly in the installation assembly and the switch mechanism so that the sampling tube is squeezed between the limit seat and the rubber pad in the installed state, thereby improving the sealing of the sampling tube and preventing water from entering the sampling tube when not sampling. At the same time, this arrangement facilitates the disassembly and assembly of the sampling tube, thereby improving the ease of use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the prior art description are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0024] Figure 2 yes Figure 1 A three-dimensional schematic diagram from another angle;

[0025] Figure 3It is a three-dimensional schematic diagram of the connection relationship between the motor and the rotating ring in the utility model;

[0026] Figure 4 It is a three-dimensional schematic diagram of the connection relationship between the mounting assembly and the counterweight block in the utility model;

[0027] Figure 5 It is a structural schematic diagram of the installation relationship between the sampling tube and the installation assembly in the utility model;

[0028] Figure 6 It is a schematic diagram of the structure inside the water inlet trough in the utility model;

[0029] Figure 7 It is a structural schematic diagram of the bottom surface of the counterweight block in the utility model;

[0030] The reference numerals are as follows:

[0031] 1-weight block, 2-rotating ring, 3-elastic support rod, 4-connecting rod, 5-connecting plate, 6-connecting column, 7-lifting ring, 8-mounting ring, 9-rubber pad, 10-water inlet, 11-mounting assembly, 12-annular groove, 13-motor, 14-first mounting block, 15-spring, 16-slide rod, 17-slider, 18-limiting seat, 19-slot, 20-limiting ring, 21-second mounting block, 22-sampling tube, 23-filter, 24-identification label. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Embodiment 1:

[0034] See also Figures 1 to 6 In an embodiment of the utility model, a continuous water quality sampling device comprises a counterweight block 1 of a columnar structure, a switch mechanism is installed on the top of the counterweight block 1, a plurality of mounting components 11 are fixedly installed on the periphery of the counterweight block 1, the plurality of mounting components 11 are arranged in a circumferential array about the axis of the counterweight block 1, a sampling tube 22 is mounted in the mounting component 11, and the switch mechanism is used to continuously and sequentially control the opening and closing states of the top openings of the plurality of sampling tubes 22 during the sampling process;

[0035] The switch mechanism includes a rotating assembly fixedly mounted on the top of the counterweight 1 , and one end of the rotating assembly away from the counterweight 1 is fixedly connected to a switch assembly, and the switch assembly is in elastic compression contact with the top ends of the plurality of sampling tubes 22 .

[0036] Among them, the rotating component includes a motor 13 embedded in the counterweight block 1, the output shaft end of the motor 13 rotates through the counterweight block 1 to the top of the counterweight block 1, and the output shaft end of the motor 13 is fixedly connected to a connecting disk 5, and a rotating ring 2 coaxial with the counterweight block 1 is arranged on the periphery of the connecting disk 5, and a plurality of connecting rods 4 are fixedly connected between the inner wall of the rotating ring 2 and the outer side of the connecting disk 5; a control module is arranged in the motor 13, and the control module can be a wireless remote control module, a Bluetooth module, a Wi-Fi module, a radio frequency module, etc., which is used to receive remote control signals, and then use a remote control, a smart phone App, a computer software or the Internet, etc. to control the motor 13, and this technology is a prior art.

[0037] A connecting column 6 is fixedly installed on the top surface of the connecting plate 5, and a lifting ring 7 is fixedly installed on the top of the connecting column 6. The lifting ring 7 is used to connect a traction rope to retract and release the device body in the water;

[0038] The bottom surface of the rotating ring 2 is fixedly connected with a switch assembly.

[0039] The switch assembly includes a plurality of elastic support rods 3 fixedly connected to the bottom surface of the rotating ring 2. The plurality of elastic support rods 3 are arranged in a circumferential array on the bottom surface of the rotating ring 2 about the axis of the rotating ring 2. The bottom ends of the plurality of elastic support rods 3 are commonly fixedly connected to a mounting ring 8 located directly below the rotating ring 2. A layer of rubber pad 9 is covered on the bottom surface of the mounting ring 8. The bottom surface of the rubber pad 9 is provided with an annular groove 12 coaxial with the mounting ring 8. When the sampling tube 22 is installed, the top end of the sampling tube 22 extends into the annular groove 12 and is in compression contact with the inner top surface of the annular groove 12.

[0040] A water inlet slot 10 for guiding water into the sampling tube 22 is provided on the top surface of the mounting ring 8 , and the water inlet slot 10 passes through the rubber pad 9 .

[0041] Among them, a filter screen 23 is fixedly installed in the water inlet trough 10. The filter screen 23 can filter the water entering the sampling tube 22 to prevent large debris from clogging the water inlet trough 10 and the opening of the sampling tube 22, thereby improving the stability of the sampling work of the device.

[0042] Among them, multiple groups of mounting components 11 are aligned with the annular groove 12, and the mounting component 11 includes a second mounting block 21 fixedly mounted at the top position of the outer periphery of the counterweight block 1 and a first mounting block 14 fixedly mounted at the bottom position of the outer periphery of the counterweight block 1, and two parallel sliding rods 16 are fixedly connected between the first mounting block 14 and the second mounting block 21, and a slider 17 is slidably installed through the periphery of the sliding rod 16, and two springs 15 are fixedly connected between the slider 17 and the first mounting block 14, and the two springs 15 are respectively sleeved on the peripheries of the two sliding rods 16;

[0043] The end of the second mounting block 21 away from the counterweight block 1 is fixedly connected to the limit ring 20, and the end of the slider 17 away from the counterweight block 1 is fixedly installed with a limit seat 18 located directly below the limit ring 20. The top surface of the limit seat 18 is provided with a slot 19 coaxial with the limit ring 20.

[0044] When the utility model is in use:

[0045] First, multiple sampling tubes 22 are installed. Specifically, the limit seat 18 is pressed down so that the distance between the limit seat 18 and the limit ring 20 is greater than the length of the sampling tube 22. Then the bottom end of the sampling tube 22 is clamped into the clamping groove 19, and then the limit seat 18 is slowly released. Under the action of the restoring elastic force of the spring 15, the slider 17 drives the limit seat 18 to reset and rise, so that the top end of the sampling tube 22 passes through the limit ring 20 above it and enters the annular groove 12 on the bottom surface of the rubber pad 9, so that the top end of the sampling tube 22 is elastically squeezed and contacted with the rubber pad 9, so that the opening of the sampling tube 22 is in a closed state; in the initial state, the limit ring 20 is located between two adjacent sampling tubes 22, so that multiple sampling tubes 22 are all in a closed state.

[0046] When sampling water, the device body is lowered to the first designated position, and then the remote control motor 13 is rotated by a certain angle, so that a certain rotational movement occurs between the mounting ring 8 and the counterweight 1, so that the water inlet slot 10 is aligned with the top opening of a nearby sampling tube 22, so that the water at this position enters the sampling tube 22, thereby completing the sampling work at this position (the diameter of the water inlet slot 10 is smaller than the diameter of the sampling tube 22). After the sampling is completed, the control motor 13 is rotated at a certain angle in the same direction, so that the water inlet slot 10 and the opening of the sampling tube 22 are staggered, and at this time, multiple sampling tubes 22 are in a closed state again; then the device body is adjusted to the next sampling position, and the above operation is repeated, so that the new sampling tube 22 samples the water quality of the new sampling position, and the continuous sampling operation in the water is realized in sequence, which solves the problem in the prior art that the device needs to be retracted and released multiple times to complete the sampling of multiple positions, resulting in a decrease in the overall sampling work efficiency.

[0047] By cooperating with the mounting assembly 11 and the switch assembly in the switch mechanism, the sampling tube 22 is squeezed between the limit seat 18 and the rubber pad 9 in the installed state, thereby improving the sealing of the sampling tube 22 and preventing water from entering the sampling tube 22 when not sampling. At the same time, this arrangement facilitates the disassembly and assembly of the sampling tube 22, thereby improving the ease of use of the device.

[0048] Embodiment 2:

[0049] See also Figure 7 On the basis of Example 1, a plurality of identification labels 24 are provided on the top surface of the counterweight block 1, the number of the plurality of identification labels 24 is equal to the number of the plurality of mounting components 11, and the positions of the plurality of identification labels 24 on the bottom surface of the counterweight block 1 correspond one-to-one to the plurality of identification labels 24.

[0050] By setting the identification label 24, it is convenient for the staff to identify the water quality position information in different sampling tubes 22 after completing multi-point sampling, which further improves the convenience of using the device.

[0051] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A continuous water quality sampling device, characterized in that: A counterweight (1) having a columnar structure is provided, wherein a switch mechanism is installed on the top of the counterweight (1), a plurality of mounting components (11) are fixedly installed on the periphery of the counterweight (1), the plurality of mounting components (11) are arranged in an array in the circumferential direction about the axis of the counterweight (1), a sampling tube (22) is mounted in the mounting component (11), and the switch mechanism is used to continuously and sequentially control the opening and closing states of the top openings of the plurality of sampling tubes (22) during the sampling process; The switch mechanism comprises a rotating assembly fixedly mounted on the top of the counterweight (1); one end of the rotating assembly away from the counterweight (1) is fixedly connected to a switch assembly; the switch assembly is in elastic compression contact with the top ends of a plurality of sampling tubes (22).

2. A continuous water quality sampling device according to claim 1, characterized in that: The rotating assembly comprises a motor (13) embedded in the counterweight (1), the output shaft end of the motor (13) rotates through the counterweight (1) to the top of the counterweight (1), and the output shaft end of the motor (13) is fixedly connected to a connecting disk (5), a rotating ring (2) coaxial with the counterweight (1) is arranged on the periphery of the connecting disk (5), and a plurality of connecting rods (4) are fixedly connected between the inner wall of the rotating ring (2) and the outer side of the connecting disk (5); A connecting column (6) is fixedly mounted on the top surface of the connecting plate (5), and a lifting ring (7) is fixedly mounted on the top of the connecting column (6), wherein the lifting ring (7) is used to connect a traction rope to retract and release the device body in water; The switch assembly is fixedly connected to the bottom surface of the rotating ring (2).

3. A continuous water quality sampling device according to claim 2, characterized in that: The switch assembly comprises a plurality of elastic support rods (3) fixedly connected to the bottom surface of the rotating ring (2), the plurality of elastic support rods (3) being arranged in a circumferential array on the bottom surface of the rotating ring (2) about the axis of the rotating ring (2), the bottom ends of the plurality of elastic support rods (3) being commonly fixedly connected to a mounting ring (8) located directly below the rotating ring (2), the bottom surface of the mounting ring (8) being covered with a layer of rubber pad (9), the bottom surface of the rubber pad (9) being provided with an annular groove (12) coaxial with the mounting ring (8), and when the sampling tube (22) is in an installed state, the top end of the sampling tube (22) extends into the annular groove (12) and is in compression contact with the inner top surface of the annular groove (12); A water inlet notch (10) for guiding water into the sampling tube (22) is provided on the top surface of the mounting ring (8), and the water inlet notch (10) passes through the rubber pad (9).

4. A continuous water quality sampling device according to claim 3, characterized in that: A filter screen (23) is fixedly installed in the water inlet slot (10).

5. A continuous water quality sampling device according to claim 3, characterized in that: A plurality of groups of the mounting components (11) are aligned with the annular groove (12), the mounting components (11) comprising a second mounting block (21) fixedly mounted at a top position of the outer periphery of the counterweight block (1) and a first mounting block (14) fixedly mounted at a bottom position of the outer periphery of the counterweight block (1), two parallel sliding rods (16) being fixedly connected between the first mounting block (14) and the second mounting block (21), a sliding block (17) being slidably mounted through the outer periphery of the sliding rods (16), two springs (15) being fixedly connected between the sliding block (17) and the first mounting block (14), and the two springs (15) being respectively sleeved on the outer peripheries of the two sliding rods (16); The end of the second mounting block (21) away from the counterweight block (1) is fixedly connected to a limit ring (20), and the end of the sliding block (17) away from the counterweight block (1) is fixedly mounted with a limit seat (18) located directly below the limit ring (20), and the top surface of the limit seat (18) is provided with a slot (19) coaxial with the limit ring (20).

6. A continuous water quality sampling device according to claim 1, characterized in that: A plurality of identification labels (24) are arranged on the top surface of the counterweight block (1), the number of the plurality of identification labels (24) being equal to the number of the plurality of mounting components (11), and the positions of the plurality of identification labels (24) on the bottom surface of the counterweight block (1) corresponding one-to-one to the plurality of identification labels (24).

Images