A depth-adjustable water quality sampling device

Abstract

The utility model discloses a depth adjustable water quality sampling device relates to water quality detection technical field, including peristaltic pump, the inside of peristaltic pump is provided with peristaltic pipeline, one end of peristaltic pipeline is connected with sampling pipeline, the utility model discloses a setting through the setting of clamping plate and the increase rubber pad, can when using, according to the water quality depth of need sampling, measures sampling pipeline, marks on the surface of sampling pipeline, again clamps two clamping plates on the surface of sampling pipeline, increases the connecting friction through the increase rubber pad, avoids moving to guarantee sampling accuracy, through the setting of U type plug -in board and U type slot, installs the mode of plug -in to make installation and disassembly are convenient and fast to be more, thereby can be installed in the different position of sampling pipeline according to actual sampling demand, carries out the sampling of different depth, and the length of pipeline is limited by clamping plate in the sampling process, therefore, need not always holds the pipeline when sampling, convenient to use.

Description

Technical Field

[0001] This utility model relates to the field of water quality testing technology, and in particular to a depth-adjustable water quality sampling device. Background Technology

[0002] Water sampling is a technique that involves collecting water samples from polluted water bodies and obtaining pollution data through analysis. The core principle is ensuring the representativeness of the water samples. The sampling location, time, depth, and tools must be determined based on the water body type and the purpose of the analysis.

[0003] In existing technologies, water quality sampling currently uses two main methods. One method involves directly connecting a rope to a sampling bucket and throwing it into the water. Once the sampling bucket reaches the desired position, it is pulled out. The other method uses a peristaltic pump with a pipe connected to a sampling tube. After the sampling tube is thrown into the water, it is pumped out to collect the water once it reaches the desired position. Both methods adjust the sampling position by controlling the length of the pipe or rope. The entire process requires controlling the length of the pipe and rope, which is inconvenient and results in low precision in adjusting the pipe and rope. Utility Model Content

[0004] The purpose of this invention is to address the problems in existing water quality sampling technologies, which currently employ two main methods: one involves directly connecting a sampling bucket to a rope and dropping it into the water, then pulling it out once it reaches the desired position; the other uses a peristaltic pump with a pipe connected to a sampling tube, dropping it into the water and pumping water to sample once the tube reaches the desired position. Both methods adjust the sampling position by controlling the length of the pipe or rope, which is inconvenient and results in low adjustment accuracy. Therefore, this invention proposes a depth-adjustable water quality sampling device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a depth-adjustable water quality sampling device, comprising a peristaltic pump, wherein a peristaltic pipe is provided inside the peristaltic pump, one end of the peristaltic pipe is connected to a sampling pipe, a clamping plate is provided on the outer surface of the sampling pipe, an air bladder is fixedly connected to one side of the clamping plate, a friction-enhancing rubber pad is fixedly connected to the middle of the other side of the clamping plate, a U-shaped slot is provided above the middle of the other side of the clamping plate, a U-shaped insert is fixedly connected to the lower middle of the other side of the clamping plate, an air replenishment channel is provided at one end of the clamping plate, the air replenishment channel is connected to the interior of the air bladder, and a valve core is installed in the air replenishment channel to adjust the air pressure inside the air bladder to adjust the buoyancy.

[0006] Preferably, the other side of the clamping plate has an assembly groove at both the top and bottom of the middle part, and a magnet is fixedly connected inside the assembly groove.

[0007] Preferably, a sampling outer cylinder is installed at the other end of the sampling pipe, and a connection port is fixedly connected to the upper end of the sampling outer cylinder, which is inserted into the sampling pipe.

[0008] Preferably, the inner sleeve is slidably connected to the inner tube of the sampling outer tube, and holes are opened on the surfaces of both the sampling outer tube and the inner sleeve, with the distance between the upper and lower holes being greater than the diameter of the holes.

[0009] Preferably, springs are fixedly connected to the four corners of the upper end of the inner sleeve and the upper end of the inner cavity of the sampling outer cylinder.

[0010] Preferably, a flow rack is fixedly connected to the middle of the upper part of the sampling outer cylinder, and a bottom sealing plate is fixedly connected to the lower end of the flow rack.

[0011] Preferably, a sliding hole is provided in the middle of the upper end of the inner sleeve, and the sliding hole is slidably connected to the flow rack.

[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0013] 1. In this utility model, by setting up clamping plates and friction-enhancing rubber pads, the sampling pipe can be measured according to the required water depth during use. The sampling pipe surface is marked, and then two clamping plates are clamped onto the surface of the sampling pipe. The friction-enhancing rubber pads increase the connection friction and prevent movement, thereby ensuring sampling accuracy. The U-shaped insert plate and U-shaped slot are used for installation by plugging in, making installation and disassembly convenient and quick. It can be installed at different positions on the sampling pipe according to actual sampling needs to perform sampling at different depths. Moreover, the length of the pipe is limited by the clamping plates during the sampling process, so there is no need to hold the pipe continuously during sampling, making it convenient to use.

[0014] 2. In this utility model, the magnet is used to increase the connection stability between the two clamping plates and prevent them from loosening. The inner sleeve and the sampling outer cylinder, together with the flow rack and spring, allow the inner sleeve to move upward during sampling by the negative pressure of the peristaltic pump, so that the hole is connected and water is drawn in. In this way, water from the water meter can be prevented from being drawn in and the accuracy of water quality detection can be increased. Attached Figure Description

[0015] Figure 1 This invention provides a three-dimensional structural diagram of a depth-adjustable water quality sampling device.

[0016] Figure 2 This utility model provides a schematic diagram of the connection structure between the outer sampling cylinder and the inner sealing sleeve in a depth-adjustable water quality sampling device;

[0017] Figure 3 An exploded view of the connection structure between the clamping plate and the airbag in a depth-adjustable water quality sampling device is provided for this utility model.

[0018] Legend: 1. Peristaltic pump; 2. Peristaltic tubing; 3. Sampling tubing; 4. Sampling outer cylinder; 5. Clamping plate; 6. Airbag; 7. Connection port; 8. Inner sleeve; 9. Flow rack; 10. Spring; 11. Bottom sealing plate; 12. Sliding hole; 13. Friction-enhancing rubber pad; 14. Magnet; 15. Assembly slot; 16. U-shaped insert plate; 17. U-shaped slot; 18. Air supply channel. Detailed Implementation

[0019] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0020] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0021] Example 1: As Figure 1 - Figure 3 As shown, this utility model provides a depth-adjustable water quality sampling device, including a peristaltic pump 1, a peristaltic pipe 2 inside the peristaltic pump 1, a sampling pipe 3 connected to one end of the peristaltic pipe 2, a clamping plate 5 on the outer surface of the sampling pipe 3, an airbag 6 fixedly connected to one side of the clamping plate 5, a friction-enhancing rubber pad 13 fixedly connected to the middle of the other side of the clamping plate 5, a U-shaped slot 17 opened above the middle of the other side of the clamping plate 5, a U-shaped insert plate 16 fixedly connected to the lower middle of the other side of the clamping plate 5, an air supply channel 18 opened at one end of the clamping plate 5, the air supply channel 18 communicating with the interior of the airbag 6, and a valve core is installed in the air supply channel 18 to adjust the air pressure inside the airbag 6 to adjust the buoyancy.

[0022] The specific settings and functions of this embodiment are described in detail below. With the clamping plate 5 and the friction-enhancing rubber pad 13, the sampling pipe 3 can be measured according to the required water depth during use. The surface of the sampling pipe 3 is marked, and then the two clamping plates 5 are clamped to the surface of the sampling pipe 3. The friction-enhancing rubber pad 13 increases the connection friction and prevents movement, thereby ensuring sampling accuracy. With the U-shaped insert plate 16 and U-shaped slot 17, the installation is carried out by plugging in, which makes installation and disassembly convenient and quick. It can be installed at different positions of the sampling pipe 3 according to the actual sampling needs to perform sampling at different depths. Moreover, the length of the pipe is limited by the clamping plate 5 during the sampling process. Therefore, it is not necessary to hold the pipe all the time during sampling, which makes it convenient to use.

[0023] Example 2: Figure 1 - Figure 3 As shown, the mounting plate 5 has an assembly groove 15 on both the upper and lower sides of the middle part of the other side. A magnet 14 is fixedly connected inside the assembly groove 15. A sampling outer cylinder 4 is installed at the other end of the sampling pipe 3. A connection port 7 is fixedly connected to the upper end of the sampling outer cylinder 4. The connection port 7 is inserted into the sampling pipe 3. An inner sleeve 8 is slidably connected inside the sampling outer cylinder 4. Holes are opened on the surface of the sampling outer cylinder 4 and the inner sleeve 8. The distance between the upper and lower holes is greater than the diameter of the holes. Springs 10 are fixedly connected between the four corners of the upper end of the inner sleeve 8 and the upper end of the inner side of the sampling outer cylinder 4. A flow rack 9 is fixedly connected to the middle of the upper end of the inner side of the sampling outer cylinder 4. A bottom sealing plate 11 is fixedly connected to the lower end of the flow rack 9. A sliding hole 12 is opened in the middle of the upper end of the inner sleeve 8. The sliding hole 12 is slidably connected to the flow rack 9.

[0024] The overall effect of this embodiment is that the magnet 14 is used to increase the connection stability between the two clamping plates 5 and prevent them from becoming loose. The inner sleeve 8 and the sampling outer cylinder 4, together with the flow rack 9 and the spring 10, can move the inner sleeve 8 upward during sampling by the negative pressure of the peristaltic pump 1, so that the hole is connected and water is drawn in. In this way, water from the water meter can be prevented from being drawn in and the accuracy of water quality detection can be increased.

[0025] The usage and working principle of this device are as follows: During use, install the peristaltic tube 2 inside the peristaltic pump 1, then install the peristaltic tube 2, sampling tube 3, and connection port 7. Measure and mark the length of the sampling tube 3 according to the depth of use. Then, install the two clamping plates 5 on the surface of the sampling tube 3. Insert the U-shaped slot 17 into the U-shaped insert plate 16. Inflate the air supply channel 18 until the airbag 6 reaches the required air pressure. Place the sampling outer cylinder 4 in water. When the airbag 6 floats on the water surface, turn on the peristaltic pump 1. The peristaltic pump 1 will expel the gas from the tube. At this time, there will be a negative pressure between the top of the inner sleeve 8 and the upper end of the sampling outer cylinder 4. The inner sleeve 8 will then move upwards, thereby connecting the sampling outer cylinder 4 with the holes on the surface of the inner sleeve 8. Water will be drawn in, passing through the flow rack 9 into the connection port 7, and then through the sampling tube 3 into the peristaltic tube 2. The extracted water can then be collected using a collection device.

[0026] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from the technical solution of this utility model shall still fall within the protection scope of this utility model.

Claims

1. A depth-adjustable water quality sampling device, comprising a peristaltic pump (1), characterized in that: The peristaltic pump (1) is provided with a peristaltic pipe (2) inside. One end of the peristaltic pipe (2) is connected to a sampling pipe (3). The outer surface of the sampling pipe (3) is provided with a clamping plate (5). An air bag (6) is fixedly connected to one side of the clamping plate (5). A friction-increasing rubber pad (13) is fixedly connected to the middle of the other side of the clamping plate (5). A U-shaped slot (17) is opened above the middle of the other side of the clamping plate (5). A U-shaped insert plate (16) is fixedly connected to the lower middle of the other side of the clamping plate (5). An air replenishment channel (18) is opened at one end of the clamping plate (5). The air replenishment channel (18) is connected to the inside of the air bag (6).

2. The depth-adjustable water quality sampling device according to claim 1, characterized in that: The mounting plate (5) has an assembly groove (15) on both the upper and lower sides of the middle part on the other side, and a magnet (14) is fixedly connected inside the assembly groove (15).

3. The depth-adjustable water quality sampling device according to claim 1, characterized in that: The other end of the sampling pipe (3) is equipped with a sampling outer cylinder (4), and the upper end of the sampling outer cylinder (4) is fixedly connected to a connection port (7), which is inserted into the sampling pipe (3).

4. The depth-adjustable water quality sampling device according to claim 3, characterized in that: The sampling outer cylinder (4) is slidably connected to an inner sleeve (8). Holes are provided on the surfaces of both the sampling outer cylinder (4) and the inner sleeve (8), and the distance between the upper and lower holes is greater than the diameter of the holes.

5. The depth-adjustable water quality sampling device according to claim 4, characterized in that: Springs (10) are fixedly connected between the four corners of the upper end of the inner sleeve (8) and the upper end of the inner sample outer cylinder (4).

6. The depth-adjustable water quality sampling device according to claim 5, characterized in that: The upper part of the sampling outer cylinder (4) is fixedly connected to a flow rack (9), and the lower end of the flow rack (9) is fixedly connected to a bottom sealing plate (11).

7. The depth-adjustable water quality sampling device according to claim 6, characterized in that: The inner sleeve (8) has a sliding hole (12) in the middle of its upper end, and the sliding hole (12) is slidably connected to the flow rack (9).

Images