Water quality monitoring stratified sampling device

Abstract

The utility model discloses a water quality monitoring stratified sampling device which comprises a box body, the left side of the box body is of an opening structure, a box door is rotatably installed on the left side of the box body, a plurality of evenly-distributed partition plates are fixedly installed in the box body, and fixing assemblies are arranged on the inner wall of the bottom of the box body and the tops of the partition plates. And sampling boxes are arranged on the plurality of fixing assemblies. The device is reasonable in design, the sampling box can be conveniently mounted and dismounted, so that the sampling box and the box body can be conveniently cleaned, a previous sample is prevented from being left in the device, the purity of the sample and the accuracy of a detection result are improved, the blocking plate can be controlled to move upwards, a plurality of water inlet holes are matched with a plurality of water inlet pipes one by one, and the detection efficiency is improved. The water quality of multiple layer depths is sampled, the hanging ring is loosened after sampling is finished, the blocking plate returns to the initial position under the self-weight action of the spring and the blocking plate, the multiple water inlet pipes are blocked, operation is easy to master, and the sampling efficiency is greatly improved.

Description

Technical Field

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

[0002] With the development of social economy, scientific progress and the improvement of people's living standards, people's requirements for the water quality of domestic drinking water are constantly increasing, and the drinking water quality standards are also continuously developed and improved accordingly. Water quality sampling is an important part of water quality monitoring, which requires accurate extraction of water samples at specific time and spatial positions; when sampling deep water, it is often necessary to sample at multiple depths according to the depth gradient.

[0003] A water quality monitoring stratified sampling device announced in a Chinese patent with the publication number of CN216386420U is retrieved. The technical key points are as follows: it includes a semi-cylindrical outer shell, the upper end of the semi-cylindrical outer shell is slidably connected with a first T-shaped pressing plate, several water inlet grooves are opened at the left end of the semi-cylindrical outer shell, a sealing groove is opened on the right side wall of the water inlet groove, a conical groove is opened on the right side wall of the sealing groove, a conical slider is slidably connected inside the conical groove, and several water outlet pipes are fixedly installed on the outer surface of the semi-cylindrical outer shell far away from the water inlet groove.

[0004] The above-mentioned scheme is found to still have at least the following defects in actual operation: this sampling device is not convenient for cleaning, and it is very easy to leave the sample of the previous time inside the device. If it is not cleaned in time, it will lead to inaccurate detection results of the sample and large errors. Therefore, we propose a water quality monitoring stratified sampling device to solve the above problems. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a water quality monitoring stratified sampling device, which solves the problems that the sampling device is not convenient for cleaning, it is very easy to leave the sample of the previous time inside the device, and if it is not cleaned in time, it will lead to inaccurate detection results of the sample and large errors.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a water quality monitoring stratified sampling device, including a box body, the left side of the box body is an open structure, a box door is rotatably installed on the left side of the box body, a plurality of partition boards are fixedly installed in the box body in a uniformly distributed manner, fixing components are arranged on the bottom inner wall of the box body and the tops of a plurality of partition boards, sampling boxes are arranged on a plurality of fixing components, the fixing components are used for fixedly installing the sampling boxes, connecting pipes are fixedly installed on the tops of a plurality of sampling boxes, a plurality of sampling components are arranged on the right side of the box body, the sampling components are used for collecting water samples at the same horizontal height, a sliding sleeve is fixedly installed on the right side of the box body, a vertical groove is opened on the right side of the sliding sleeve, a plugging plate is slidably installed inside the sliding sleeve, and a plurality of water inlet holes are opened on the plugging plate in a uniformly distributed manner.

[0007] Preferably, the fixing component includes a fixing block, a screw, a clamping plate and a first handle. The fixing block is fixedly installed on the top of the corresponding partition board. A chute is formed on the top of the fixing block. The sampling box is movably arranged in the chute. The screw is threadedly installed on the left side of the fixing block. The clamping plate is rotatably installed at the right end of the screw and is in close contact with the sampling box. The first handle is fixedly installed at the left end of the screw.

[0008] Preferably, the sampling component includes a plurality of water inlet pipes, a plurality of connecting hoses and a plurality of connectors. The plurality of water inlet pipes are all fixedly installed on the right side of the box body. The right ends of the plurality of water inlet pipes are flush with the right side surface of the box body. The plurality of connecting hoses are respectively fixedly installed at the left ends of the corresponding water inlet pipes. The plurality of connectors are respectively rotatably installed at the ends of the plurality of connecting hoses far away from the box body. The plurality of connectors are respectively threadedly connected with the corresponding connecting pipes.

[0009] Preferably, a spring is fixedly installed on the inner wall of the bottom of the sliding sleeve. The top end of the spring is fixedly connected with the sealing plate. A lifting ring is fixedly installed on the top of the sealing plate.

[0010] Preferably, a limiting groove is formed on the inner wall of the right side of the sliding sleeve. A limiting block is fixedly installed on the right side of the sealing plate. The limiting block is slidably installed in the limiting groove.

[0011] Preferably, a sealing strip is fixedly installed on the side of the box door close to the box body. The sealing strip is in close contact with the box body. A transparent observation window is formed on the box door.

[0012] Preferably, a second handle is rotatably installed on the top of the box body.

[0013] The utility model provides a water quality monitoring stratified sampling device, which has the following beneficial effects:

[0014] (1). For the water quality monitoring stratified sampling device, by using the fixing component composed of a fixing block, a screw, a clamping plate and a first handle, the sampling box can be conveniently installed and disassembled, so as to facilitate the cleaning of the sampling box and the inside of the box body, avoid the residue of the previous sample inside the device, and improve the purity of the sample and the accuracy of the detection result.

[0015] (2). For the water quality monitoring stratified sampling device, by using the combined action of a plurality of water inlet pipes, a plurality of connecting hoses, a plurality of connectors, a sealing plate, a plurality of water inlet holes and a lifting ring, the sealing plate can be controlled to move upward, so that the plurality of water inlet holes are matched with the plurality of water inlet pipes one by one, and the water quality at multiple depths can be sampled. After the sampling is completed, the lifting ring is loosened, and under the action of the self weight of the spring and the sealing plate, the sealing plate returns to the initial position to block the plurality of water inlet pipes. The operation is simple and easy to master, greatly improving the sampling efficiency. Description of the Drawings

[0016] Figure 1 Schematic diagram of the three-dimensional structure of the present utility model;

[0017] Figure 2 Schematic diagram of the sectional structure of the front view of the present utility model;

[0018] Figure 3 Schematic diagram of the three-dimensional sectional structure of the present utility model;

[0019] Figure 4 is Figure 3 Enlarged schematic diagram of part A in

[0020] In the figure: 1, box body; 2, box door; 3, partition board; 4, sampling box; 5, connecting pipe; 6, sliding sleeve; 7, vertical groove; 8, sealing plate; 9, water inlet hole; 10, fixing block; 11, sliding groove; 12, screw rod; 13, clamping plate; 14, handle one; 15, water inlet pipe; 16, connecting hose; 17, connecting head; 18, spring; 19, limiting groove; 20, limiting block; 21, sealing rubber strip; 22, transparent observation window; 23, handle two; 24, lifting ring. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0022] Such as Figures 1-4As shown, the utility model provides a technical solution: a water quality monitoring layered sampling device, including a box body 1, the left side of the box body 1 is an open structure, the left side of the box body 1 is rotatably installed with a box door 2, the top of the box body 1 is rotatably installed with a handle 23, the box body 1 can be conveniently controlled to move by the handle 23, and a rope can be tied to the handle 23 to sample the water quality in deep water, the box door 2 is fixedly installed on the side close to the box body 1 with a sealing strip 21, the sealing strip 21 is in close contact with the box body 1, and a transparent observation window 22 is opened on the box door 2, through which it is convenient to take the box 1 out of the water and observe whether there is water in the box 1. Whether water seepage affects the purity of water samples, a plurality of evenly distributed partitions 3 are fixedly installed in the box body 1, and fixed components are provided on the bottom inner wall of the box body 1 and the top of the plurality of partitions 3. Sampling boxes 4 are provided on the plurality of fixed components, and the fixed components are used to fix the sampling boxes 4. Connecting pipes 5 are fixedly installed on the top of the plurality of sampling boxes 4. A plurality of sampling components are provided on the right side of the box body 1, and the sampling components are used to collect water samples at the same horizontal height. A sliding sleeve 6 is fixedly installed on the right side of the box body 1, and a vertical groove 7 is provided on the right side of the sliding sleeve 6. A sealing plate 8 is slidably installed in the sliding sleeve 6, and a plurality of evenly distributed water inlet holes 9 are provided on the sealing plate 8.

[0023] In this embodiment, the above-mentioned fixing assembly includes a fixing block 10, a screw 12, a clamping plate 13 and a handle 14. The fixing block 10 is fixedly installed on the top of the corresponding partition 3. A slide groove 11 is provided on the top of the fixing block 10. The sampling box 4 is movably arranged in the slide groove 11. The screw 12 is threadedly installed on the left side of the fixing block 10. The clamping plate 13 is rotatably installed on the right end of the screw 12 and is in close contact with the sampling box 4. The handle 14 is fixedly installed on the left end of the screw 12. The screw 12 can be controlled to rotate through the handle 14, thereby controlling the clamping plate 13 to approach and move away from the sampling box 4.

[0024] In this embodiment, the above-mentioned sampling components include multiple water inlet pipes 15, multiple connecting hoses 16 and multiple connecting heads 17. The multiple water inlet pipes 15 are fixedly installed on the right side of the box body 1, and the right ends of the multiple water inlet pipes 15 are flush with the right side of the box body 1. The multiple connecting hoses 16 are respectively fixedly installed on the left ends of the corresponding water inlet pipes 15. The multiple connecting heads 17 are respectively rotatably installed on the ends of the multiple connecting hoses 16 away from the box body 1. The multiple connecting heads 17 are respectively threadedly connected to the corresponding connecting pipes 5. Through the threaded connection between the connecting heads 17 and the connecting pipes 5, the operator can conveniently install and disassemble the sampling box 4, save time, and improve sampling efficiency.

[0025] In this embodiment, a spring 18 is fixedly installed on the inner wall of the bottom of the sliding sleeve 6. The top end of the spring 18 is fixedly connected to the sealing plate 8. A lifting ring 24 is fixedly installed on the top of the sealing plate 8. A limiting groove 19 is formed on the inner wall of the right side of the sliding sleeve 6. A limiting block 20 is fixedly installed on the right side of the sealing plate 8. The limiting block 20 is slidably installed in the limiting groove 19. The combined action of the limiting groove 19 and the limiting block 20 can limit the moving range of the sealing plate 8 and prevent the sealing plate 8 from slipping off.

[0026] With the above structure, a water quality monitoring stratified sampling device provided by the utility model can facilitate the installation and disassembly of the sampling box 4, thereby facilitating the cleaning of the sampling box 4 and the inside of the box body 1, avoiding the residue of the previous sample inside the device, improving the purity of the sample and the accuracy of the detection result. It can also control the upward movement of the sealing plate 8, so that the multiple water inlet holes 9 are matched with the multiple water inlet pipes 15 one by one to sample the water quality at multiple depths. After sampling, loosen the lifting ring 24. Under the action of the self-weight of the spring 18 and the sealing plate 8, the sealing plate 8 returns to the initial position to block the multiple water inlet pipes 15. The operation is simple and easy to master, greatly improving the sampling efficiency. During specific use, open the box door 2, loosen the multiple screws 12 by turning the multiple first handles 14, place the multiple sampling boxes 4 in the corresponding sliding grooves 11 respectively, and tighten the multiple screws 12 by turning the multiple first handles 14 to install and fix the multiple sampling boxes 4. Thread the multiple connectors 17 onto the corresponding connecting pipes 5 respectively, and close the box door 2. If the sampling water depth is relatively shallow, hold the second handle 23 with hand to place the box body 1 at the target position, and use the other hand to control the upward movement of the lifting ring 24 to stretch the spring 18, so that the multiple water inlet holes 9 correspond to the multiple water inlet pipes 15 one by one. Under the action of water pressure, the water quality at multiple depths flows into the multiple sampling boxes 4 through the multiple water inlet pipes 15. When the sampling box 4 is full of water, loosen the lifting ring 24. Under the action of the self-weight of the spring 18 and the sealing plate 8, the sealing plate 8 returns to the initial position to block the multiple water inlet pipes 15 again. Control the box body 1 to be taken out of the water to complete sampling. When the water depth is relatively deep, ropes can be tied to the second handle 23 and the lifting ring 24 respectively, and repeat the above operation to complete sampling in the same way. The operation is simple and easy to master, greatly improving the sampling efficiency. After sampling, open the box door 2, remove the multiple connectors 17, and loosen the multiple screws 12 to take out the sampling box 4, which is convenient for cleaning the inside of the box body 1, avoiding the entry of seepage water to pollute the box body 1, and it is also convenient for cleaning the sampling box 4 after pouring out the water sample, improving the accuracy of the next sampling.

[0027] The above are only specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope recorded in the present utility model can easily think of changes or substitutions, which should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims described above.

Claims

1. A water quality monitoring stratified sampling device, characterized in that: It includes a box body (1), the left side of the box body (1) is of an open structure, a box door (2) is rotatably installed on the left side of the box body (1), a plurality of partition plates (3) evenly distributed are fixedly installed in the box body (1), fixing components are arranged on the bottom inner wall of the box body (1) and the tops of the plurality of partition plates (3), sampling boxes (4) are arranged on the plurality of fixing components, the fixing components are used for fixedly installing the sampling boxes (4), connecting pipes (5) are fixedly installed on the tops of the plurality of sampling boxes (4), a plurality of sampling components are arranged on the right side of the box body (1), the sampling components are used for collecting water samples at the same horizontal height, a sliding sleeve (6) is fixedly installed on the right side of the box body (1), a vertical groove (7) is formed in the right side of the sliding sleeve (6), a blocking plate (8) is slidably installed in the sliding sleeve (6), and a plurality of water inlet holes (9) evenly distributed are formed in the blocking plate (8).

2. The water quality monitoring stratified sampling device according to claim 1, wherein: The fixing component includes a fixing block (10), a screw rod (12), a clamping plate (13) and a handle one (14), the fixing block (10) is fixedly installed on the top of the corresponding partition plate (3), a sliding groove (11) is formed in the top of the fixing block (10), the sampling box (4) is movably arranged in the sliding groove (11), the screw rod (12) is threadedly installed on the left side of the fixing block (10), the clamping plate (13) is rotatably installed at the right end of the screw rod (12) and is in close contact with the sampling box (4), and the handle one (14) is fixedly installed at the left end of the screw rod (12).

3. The water quality monitoring stratified sampling device according to claim 1, wherein: The sampling component includes a plurality of water inlet pipes (15), a plurality of connecting hoses (16) and a plurality of connectors (17), the plurality of water inlet pipes (15) are all fixedly installed on the right side of the box body (1), the right ends of the plurality of water inlet pipes (15) are flush with the right side surface of the box body (1), the plurality of connecting hoses (16) are respectively fixedly installed at the left ends of the corresponding water inlet pipes (15), the plurality of connectors (17) are respectively rotatably installed at the ends of the plurality of connecting hoses (16) far from the box body (1), and the plurality of connectors (17) are respectively threadedly connected with the corresponding connecting pipes (5).

4. The water quality monitoring stratified sampling device according to claim 1, characterized in that: A spring (18) is fixedly installed on the bottom inner wall of the sliding sleeve (6), the top end of the spring (18) is fixedly connected with the blocking plate (8), and a lifting ring (24) is fixedly installed on the top of the blocking plate (8).

5. The water quality monitoring stratified sampling device according to claim 1, wherein: A limiting groove (19) is formed in the right inner wall of the sliding sleeve (6), a limiting block (20) is fixedly installed on the right side of the blocking plate (8), and the limiting block (20) is slidably installed in the limiting groove (19).

6. The water quality monitoring stratified sampling device according to claim 1, characterized in that: A sealing strip (21) is fixedly installed on the side of the box door (2) close to the box body (1), the sealing strip (21) is in close contact with the box body (1), and a transparent observation window (22) is formed in the box door (2).

7. The water quality monitoring stratified sampling device according to claim 1, characterized in that: A handle two (23) is rotatably installed on the top of the box body (1).

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