Multi-stage sampling device for water quality detection

Abstract

The utility model provides a multistage sampling device for water quality detection, which relates to the technical field of water quality sampling devices, and comprises a shell, a plurality of sub test tubes are arranged in the shell, an adjusting device is arranged between the plurality of sub test tubes and the shell, and the adjusting device comprises two auxiliary grooves. The two auxiliary grooves are symmetrically formed in the outer surface of the shell, extension blocks are symmetrically and fixedly connected to the outer surfaces of the sub test tubes, and the outer surfaces of the extension blocks are inserted into the inner walls of the auxiliary grooves. The extension block can drive the sub-test tubes to move in the shell until the sub-test tubes reach a proper height, so that the positions of the sub-test tubes in the vertical direction can be conveniently adjusted according to the depths of different water bodies, the multi-stage sampling device can adapt to the water bodies of different depths, and the practicability of the multi-stage sampler is effectively improved.

Description

Technical Field

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

[0002] In order to facilitate the prevention and control of water pollution, a water quality sampling device is needed to sample the water body, and then the pollutants are detected. In order to make the detection results more accurate, a water quality multi-stage sampler is also used, which can simultaneously sample the water quality at different depths of the water body and is a commonly used tool in the water quality detection process.

[0003] A plurality of sampling sub-tubes are arranged in a water quality multi-stage sampling device. The plurality of sub-tubes are arranged vertically and independently, so that the water body at different depths can be sampled. However, the distance between the sub-tubes is fixed, and only the water body at a specific water depth can be sampled, and the water body at different depths cannot be sampled, which reduces the practicability of the multi-stage sampler. Summary of the Utility Model

[0004] The utility model provides a multi-stage sampling device for water quality detection to solve the problem that the distance between the sub-tubes is fixed, only the water body at a specific water depth can be sampled, and the water body at different depths cannot be sampled, which reduces the practicability of the multi-stage sampler.

[0005] To achieve the above object, the utility model adopts the following technical scheme: A multi-stage sampling device for water quality detection, including a housing, wherein a plurality of sub-tubes are arranged inside the housing, and an adjusting device is arranged between the plurality of sub-tubes and the housing. The adjusting device includes two auxiliary grooves symmetrically opened on the outer surface of the housing. Symmetrically fixed connection blocks are arranged on the outer surface of the sub-tube, and the outer surface of the connection block is inserted into the inner wall of the auxiliary groove. A clamping groove is opened on one side of one of the connection blocks. The inner walls of a plurality of the clamping grooves are inserted with a threaded rod. Both ends of the threaded rod are fixedly connected with connection blocks. One side of the two connection blocks is symmetrically fixedly connected with the outer surface of the housing. Nuts are arranged on both sides of the connection block, and the inner wall of the nut is threadedly connected with the outer surface of the threaded rod. One end of the housing is fixedly connected with a head body, and the head body is conical. The outer surface of the other end of the housing is fixedly connected with an operating rod, and an anti-slip device is arranged on the outer surface of the operating rod.

[0006] The effects achieved by the above components are as follows: By setting the extension block and the threaded rod, the extension block is pushed to move on the outer surface of the threaded rod. The extension block will drive the sub-test tube to move inside the housing until it reaches the appropriate height. Then, rotate the two nuts so that one side of the nut abuts against one side of the extension block, and the position of the sub-test tube inside the housing can be fixed. Furthermore, it is convenient to adjust the position of the sub-test tube in the vertical direction according to the depth of different water bodies, enabling the multi-stage sampling device to adapt to water bodies of different depths and effectively improving the practicability of the multi-stage sampler.

[0007] Preferably, a gasket is provided between the nut and the extension block, and the outer surface of the threaded rod is inserted into the inner wall of the gasket.

[0008] The effects achieved by the above components are as follows: By setting the gasket, it can replace one side of the nut to abut against one side of the extension block, which is beneficial to preventing the nut from loosening.

[0009] Preferably, a groove is formed at the top of the other extension block.

[0010] The effects achieved by the above components are as follows: By setting the groove, it is convenient to take, disassemble, and install the sub-test tube connected to the extension block through the groove, and it has an anti-slip effect.

[0011] Preferably, a rubber ring is provided at the top of the sub-test tube, and the bottom of the rubber ring is fixedly connected to the edge of the top of the sub-test tube.

[0012] The effects achieved by the above components are as follows: By setting the rubber ring, the top of the sub-test tube can be protected, which is beneficial to preventing the heads and tails of two adjacent sub-test tubes from colliding with each other and causing damage to the sub-test tube when adjusting the position of the sub-test tube.

[0013] Preferably, a plurality of scale lines are evenly formed on one side of the housing, and the scale lines extend to one side of the auxiliary groove.

[0014] The effects achieved by the above components are as follows: By setting the scale lines, it is convenient to adjust the position of the sub-test tube inside the housing more intuitively and accurately.

[0015] Preferably, the anti-slip device includes a rubber sleeve, and the rubber sleeve is sleeved on the outer surface of the operating rod.

[0016] The effects achieved by the above components are as follows: By setting the rubber sleeve, the friction force on the outer surface of the operating rod can be increased, so that there is an anti-slip effect when holding the operating rod.

[0017] Preferably, a limiting ring is fixedly connected to the outer surface of the operating rod, and one end of the rubber sleeve abuts against one side of the limiting ring.

[0018] The effects achieved by the above components are as follows: By setting the limiting ring, the rubber sleeve can be limited, and at the same time, one end of the rubber sleeve can also be limited, which is beneficial to preventing the rubber sleeve from shifting on one side of the outer surface of the operating rod.

[0019] Preferably, round hole blocks are symmetrically and fixedly connected to one end of the rubber sleeve, a clamping block is inserted into the inner wall of the round hole block, and one side of the clamping block is fixedly connected to the outer surface of the operating rod.

[0020] The effects achieved by the above components are as follows: By setting the round hole blocks and sleeving the round hole blocks on the outer surface of the insertion blocks, under the combined action of the limiting rings, the rubber sleeve can be limited and fixed, which is beneficial to preventing the rubber sleeve from shifting on the outer surface of the limiting rod.

[0021] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0022] In the present utility model, by setting the extension block and the threaded rod, pushing the extension block to move on the outer surface of the threaded rod, the extension block will drive the sub-test tube to move inside the housing until it reaches the appropriate height, thereby facilitating the adjustment of the position of the sub-test tube in the vertical direction according to the depth of different water bodies, enabling the multi-stage sampling device to adapt to water bodies of different depths, and effectively improving the practicability of the multi-stage sampler. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a three-dimensional structural schematic diagram of the main body of the present utility model;

[0024] Figure 2 is a three-dimensional structural schematic diagram of the housing of the present utility model;

[0025] Figure 3 is the present utility model Figure 2 is an enlarged structural schematic diagram at A of the present utility model;

[0026] Figure 4 is a three-dimensional structural schematic diagram of the sub-test tube of the present utility model;

[0027] Figure 5 is the present utility model Figure 2 is an enlarged structural schematic diagram at B of the present utility model

[0028] Legend: 1. Housing; 2. Sub-test tube; 3. Adjusting device; 31. Extension block; 32. Auxiliary groove; 33. Card slot; 34. Threaded rod; 35. Connecting block; 36. Nut; 37. Gasket; 38. Groove; 39. Rubber ring; 310. Scale line; 4. Head body; 5. Operating rod; 6. Anti-slip device; 61. Rubber sleeve; 62. Limiting ring; 63. Round hole block; 64. Clamping block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] Example 1, refer to Figures 1-4 As shown in the figure, this embodiment discloses a multi-stage sampling device for water quality detection, including a housing 1. Inside the housing 1, there are several sub-tubes 2. Between the several sub-tubes 2 and the housing 1, there is an adjustment device 3. The adjustment device 3 includes two auxiliary grooves 32 symmetrically opened on the outer surface of the housing 1. On the outer surface of the sub-tube 2, there are symmetrically fixed extension blocks 31. The outer surface of the extension block 31 is inserted into the inner wall of the auxiliary groove 32. On one side of one of the extension blocks 31, there is a clamping groove 33. Inside the inner walls of several clamping grooves 33, there is a threaded rod 34 inserted. Both ends of the threaded rod 34 are fixedly connected with connection blocks 35. One side of the two connection blocks 35 is symmetrically fixedly connected with the outer surface of the housing 1. On both sides of the extension block 31, there are nuts 36. The inner wall of the nut 36 is threadedly connected with the outer surface of the threaded rod 34. One end of the housing 1 is fixedly connected with a head body 4. The head body 4 is conical. On the outer surface of the other end of the housing 1, there is an operating rod 5 fixedly connected. On the outer surface of the operating rod 5, there is an anti-slip device 6. By setting the extension block 31 and the threaded rod 34, pushing the extension block 31 to move on the outer surface of the threaded rod 34, the extension block 31 will drive the sub-tube 2 to move inside the housing 1 until it reaches the appropriate height. Then, rotate the two nuts 36 so that one side of the nut 36 abuts against one side of the extension block 31, then the position of the sub-tube 2 inside the housing 1 can be fixed. Furthermore, it is convenient to adjust the position of the sub-tube 2 in the vertical direction according to the depth of different water bodies, so that the multi-stage sampling device can adapt to water bodies of different depths, effectively improving the practicability of the multi-stage sampler.

[0030] Refer to Figures 2-4 As shown in the figure, there is a gasket 37 between the nut 36 and the extension block 31. The outer surface of the threaded rod 34 is inserted into the inner wall of the gasket 37. By setting the gasket 37, it can replace the abutment of one side of the nut 36 against one side of the extension block 31, which is beneficial to preventing the nut 36 from loosening; on the top of the other extension block 31, there is a groove 38. By setting the groove 38, it is convenient to take, disassemble and install the sub-tube 2 connected to the extension block 31 through the groove 38, and it has an anti-slip effect.

[0031] Refer to Figures 2-4 As shown in the figure, there is a rubber ring 39 on the top of the sub-tube 2. The bottom of the rubber ring 39 is fixedly connected to the edge of the top of the sub-tube 2. By setting the rubber ring 39, it can protect the top of the sub-tube 2, which is beneficial to preventing the heads and tails of two adjacent sub-tubes 2 from colliding with each other and causing damage to the sub-tube 2 when adjusting the position of the sub-tube 2; on one side of the housing 1, there are several scale lines 310 evenly opened. The scale lines 310 extend to one side of the auxiliary groove 32. By setting the scale lines 310, it is convenient to adjust the position of the sub-tube 2 inside the housing 1 more intuitively and accurately.

[0032] Refer to Figure 2 and Figure 5 As shown, the anti-slip device 6 includes a rubber sleeve 61. The rubber sleeve 61 is sleeved on the outer surface of the operating rod 5. By providing the rubber sleeve 61, the friction force on the outer surface of the operating rod 5 can be increased, so that there is an anti-slip effect when holding the operating rod 5.

[0033] Refer to Figure 2 and Figure 5 As shown, a limiting ring 62 is fixedly connected to the outer surface of the operating rod 5. One end of the rubber sleeve 61 abuts against one side of the limiting ring 62. By providing the limiting ring 62, the rubber sleeve 61 can be limited, and at the same time, one end of the rubber sleeve 61 can also be limited, which is beneficial to preventing the rubber sleeve 61 from shifting on one side of the outer surface of the operating rod 5; symmetrically fixed to one end of the rubber sleeve 61 are round hole blocks 63. A clamping block 64 is inserted into the inner wall of the round hole block 63. One side of the clamping block 64 is fixedly connected to the outer surface of the operating rod 5. By providing the round hole blocks 63 and sleeving the round hole blocks 63 on the outer surface of the inserting block, under the combined action of the limiting ring 62, the rubber sleeve 61 can be limited and fixed, which is beneficial to preventing the rubber sleeve 61 from shifting on the outer surface of the limiting rod.

[0034] Working principle: When it is necessary to adjust the position of the sub-test tube 2 inside the housing 1, rotate the two nuts 36 on both sides of the extension block 31 so that the nuts 36 are far away from the extension block 31 to a suitable position, and push the extension block 31 to move on the outer surface of the threaded rod 34. The extension block 31 will drive the sub-test tube 2 to move inside the housing 1 until it reaches the appropriate scale line 310. Then rotate the two nuts 36 so that the gasket 37 on one side of the nut 36 abuts against one side of the extension block 31, then the position of the sub-test tube 2 inside the housing 1 can be fixed; when it is necessary to install the rubber sleeve 61, sleeve the rubber sleeve 61 on the outer surface of the operating rod 5 so that one end of the rubber sleeve 61 abuts against one side of the limiting ring 62, and insert the clamping block 64 into the inner wall of the round hole block 63. The rubber sleeve 61 can increase the friction force on the outer surface of the operating rod 5, so that there is an anti-slip effect when holding the operating rod 5.

Claims

1. A multi-stage sampling device for water quality detection, comprising a housing (1), characterized in that: A plurality of sub-test tubes (2) are arranged inside the shell (1), and an adjustment device (3) is arranged between the plurality of sub-test tubes (2) and the shell (1). The adjustment device (3) comprises two auxiliary grooves (32), and the two auxiliary grooves (32) are symmetrically arranged on the outer surface of the shell (1). Extension blocks (31) are symmetrically fixedly connected to the outer surface of the sub-test tubes (2), and the outer surface of the extension block (31) is inserted into the inner wall of the auxiliary groove (32). A clamping groove (33) is arranged on one side of one of the extension blocks (31), and a plurality of screw threads are inserted into the inner walls of the clamping grooves (33). A threaded rod (34), both ends of the threaded rod (34) are fixedly connected with connecting blocks (35), one side of the two connecting blocks (35) is symmetrically fixedly connected to the outer surface of the shell (1), nuts (36) are provided on both sides of the extension block (31), the inner wall of the nut (36) is threadedly connected to the outer surface of the threaded rod (34), one end of the shell (1) is fixedly connected with a head body (4), the head body (4) is conical, the outer surface of the other end of the shell (1) is fixedly connected with an operating rod (5), and the outer surface of the operating rod (5) is provided with an anti-slip device (6).

2. A multi-stage sampling device for water quality detection according to claim 1, characterized in that: A gasket (37) is provided between the nut (36) and the extension block (31), and the outer surface of the threaded rod (34) is inserted into the inner wall of the gasket (37).

3. A multi-stage sampling device for water quality detection according to claim 1, characterized in that: A groove (38) is formed on the top of the other extension block (31).

4. A multi-stage sampling device for water quality detection according to claim 1, characterized in that: A rubber ring (39) is provided at the top of the sub-test tube (2), and the bottom of the rubber ring (39) is fixedly connected to the edge of the top of the sub-test tube (2).

5. A multi-stage sampling device for water quality detection according to claim 1, characterized in that: A plurality of scale lines (310) are evenly arranged on one side of the housing (1), and the scale lines (310) extend to one side of the auxiliary groove (32).

6. A multi-stage sampling device for water quality detection according to claim 1, characterized in that: The anti-slip device (6) comprises a rubber sleeve (61), and the rubber sleeve (61) is sleeved on the outer surface of the operating rod (5).

7. A multi-stage sampling device for water quality detection according to claim 6, characterized in that: The outer surface of the operating rod (5) is fixedly connected to a limiting ring (62), and one end of the rubber sleeve (61) abuts against one side of the limiting ring (62).

8. A multi-stage sampling device for water quality detection according to claim 7, characterized in that: One end of the rubber sleeve (61) is symmetrically fixedly connected to a circular hole block (63), an inner wall of the circular hole block (63) is inserted with a clamping block (64), and one side of the clamping block (64) is fixedly connected to the outer surface of the operating rod (5).

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