A microbial water body sampling device based on biological cell technology

Abstract

The utility model relates to environmental monitoring equipment technical field discloses a kind of microbial water body sampling equipment based on biological cell technology development, and the equipment includes sampling can body, sampling pipe, dismounting mechanism fixed on support seat and the anti-backflow mechanism being connected with sampling can body and sampling pipe. The dismounting mechanism includes cylinder, push plate, rotating plate and claw clamp;Cylinder drives push plate, push plate links rotating plate, and rotating plate then drives claw clamp to realize the clamping and loosening of sampling pipe. The anti-backflow mechanism includes water pipe, and piston, spring and fixed plate are arranged in water pipe. The utility model realizes the automatic quick replacement of sampling pipe by setting linkage's dismounting mechanism, convenient operation, high efficiency, and reduce sample pollution risk;Meanwhile, through anti-backflow mechanism, it is ensured that water sample flows in one direction, effectively prevent backflow, improve the stability and accuracy of sampling.

Description

Technical Field

[0001] This utility model relates to the field of environmental monitoring equipment technology, and in particular to a microbial water sampling device developed based on biological cell technology. Background Technology

[0002] Water sampling is an indispensable and fundamental step in environmental monitoring, water quality analysis, and microbiological research. Especially in scientific research involving the development of biological cell technologies, it is necessary to accurately obtain samples containing target microorganisms or cells from specific aquatic environments for subsequent isolation, culture, and analysis. The performance of the sampling equipment used to accomplish this task directly affects the representativeness of the samples and the accuracy of subsequent research.

[0003] Currently, there are various water sampling devices available on the market. These devices typically consist of a tank to hold the water sample and a sampling tube for direct contact with the external water body. In practical applications, especially when continuously sampling from multiple different locations or to avoid cross-contamination between samples, frequently changing the sampling tube is a routine operation.

[0004] However, existing sampling devices generally have shortcomings in their design for changing sampling tubes. Most devices use threaded connections or manual clips for fixing, requiring operators to manually loosen, insert, and tighten the tubes. This process is not only cumbersome and time-consuming, reducing the overall efficiency of on-site sampling, but also presents numerous inconveniences and safety hazards in field or complex aquatic environments. More importantly, for microbial sampling, the slow replacement process and excessive manual contact greatly increase the risk of sample contamination by the external environment or operators, which is extremely detrimental to the demanding requirements of biological cell technology research. Therefore, this invention proposes a microbial water sampling device developed based on biological cell technology to address the shortcomings of existing technologies. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a microbial water sampling device developed based on biological cell technology, aiming to improve the problems of cumbersome operation and low efficiency when changing sampling tubes in some existing microbial water sampling devices developed based on biological cell technology.

[0006] This utility model provides a microbial water sampling device developed based on biological cell technology, comprising: a sampling tank fixed with a support base, and a sampling tube detachably installed on the support base; a disassembly mechanism fixed on the support base, and an anti-backflow mechanism connecting the sampling tank and the sampling tube.

[0007] The disassembly mechanism includes a cylinder fixedly connected to the support base and a transmission assembly driven by the cylinder. The transmission assembly includes a push plate connected to the output end of the cylinder, and the first ends of a rotating plate are rotatably connected to both ends of the push plate. The middle part of the rotating plate is rotatably connected to the side of the support base via a fixed shaft, and the second end of the rotating plate is rotatably connected to a claw clamp via a connecting shaft. The claw clamp is used to clamp or release the sampling tube.

[0008] Furthermore, the anti-backflow mechanism includes a water pipe, a fixing plate is fixedly connected to the inner wall of the water pipe, one end of a spring is connected to the fixing plate, and the other end of the spring is connected to a piston that slides against the inner wall of the water pipe.

[0009] Preferably, there are two symmetrically arranged claws, and the two rotating plates rotate synchronously around their respective fixed axes under the drive of the push plate, so as to drive the two claws to center and clamp or release the sampling tube synchronously.

[0010] Preferably, the push plate is a plate-shaped structure with a through hole in the center for the sampling tube to pass through, and the sampling tube passes through the through hole of the push plate.

[0011] Preferably, the fixing plate is an annular structure with a through hole in the center, and the through hole is used to allow water to flow through the fixing plate and into the interior of the sampling tube.

[0012] Preferably, the inner diameter of the water pipe changes in a stepped manner along the water flow direction, and the outer circumferential surface of the piston is adapted to the stepped change of the inner diameter of the water pipe, so that under the restoring force of the spring, it abuts against the stepped surface of the water pipe to close the water pipe.

[0013] Preferably, the device further includes a sliding column slidably connected to the inner wall of the sampling tank, one end of which extends through the top of the sampling tank in a sealed manner.

[0014] Preferably, a transmission block is fixedly connected to one end of the sliding column that protrudes from the sampling tank, and a buoyancy ball is connected to the end of the transmission block that is away from the sliding column.

[0015] Preferably, the transmission block is a rod-shaped structure with a certain length. The buoyancy ball is driven by the transmission block to drive the sliding column to slide inside the sampling tank, thereby changing the air pressure inside the sampling tank.

[0016] This utility model has the following beneficial effects:

[0017] 1. This utility model solves the problems of cumbersome operation, low efficiency and easy secondary pollution of sampling tube replacement in the prior art by setting a disassembly mechanism that is linked by a cylinder, a push plate, a rotating plate and a claw clamp. It achieves the technical effect of automatically and quickly clamping and releasing the sampling tube, improving the replacement efficiency and convenience.

[0018] 2. This utility model solves the problem in the prior art that collected water samples are prone to backflow, leading to unstable and inaccurate sampling, by setting up an anti-backflow mechanism consisting of a water pipe, piston, spring and fixing plate. It achieves the technical effect of ensuring unidirectional flow of water samples and effectively preventing backflow, thereby improving the stability and reliability of the sampling process.

[0019] 3. This utility model solves the problem of insufficient power in traditional passive sampling by setting up an auxiliary sampling structure composed of a buoyancy ball, a transmission block and a sliding column, and achieves the technical effect of using the buoyancy of water to assist in changing the air pressure inside the sampling tank and enhancing the sampling capacity of the equipment. Attached Figure Description

[0020] Figure 1 This is a three-dimensional schematic diagram of a microbial water sampling device developed based on biological cell technology proposed in this utility model;

[0021] Figure 2 This is a schematic diagram of the push plate of a microbial water sampling device developed based on biological cell technology proposed in this utility model;

[0022] Figure 3 This is a schematic diagram of the piston structure of a microbial water sampling device developed based on biological cell technology proposed in this utility model.

[0023] Legend:

[0024] 1. Sampling tank; 2. Disassembly mechanism; 21. Support base; 22. Cylinder; 23. Transmission assembly; 231. Push plate; 232. Rotating plate; 24. Connecting shaft; 25. Fixed shaft; 26. Claw clamp; 3. Sampling tube; 4. Anti-backflow mechanism; 41. Water pipe; 42. Fixed plate; 43. Spring; 44. Piston; 5. Sliding column; 6. Transmission block; 7. Buoyancy ball. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example:

[0027] Reference Figures 1 to 3 This utility model provides a microbial water sampling device developed based on biological cell technology, which aims to solve the problems of cumbersome operation, low efficiency and lack of effective backflow prevention mechanism in the existing microbial water sampling devices, which lead to unstable sampling.

[0028] like Figure 1 As shown, the device includes a sampling tank 1 as the main body of the equipment, a support base 21 fixedly connected to the sampling tank 1, and a sampling tube 3 for collecting water samples detachably installed on the support base 21. The equipment also includes a disassembly mechanism 2 fixedly installed on the support base 21, and an anti-backflow mechanism 4 for connecting the sampling tank 1 and the sampling tube 3. The disassembly mechanism 2 is used to realize the automatic clamping and release of the sampling tube 3, and the anti-backflow mechanism 4 is used to prevent the water sample in the sampling tube 3 from flowing back to the sampling tank 1.

[0029] like Figure 1 and Figure 2 As shown, a cylinder 22, serving as a power source, is fixedly connected to the support base 21. The cylinder 22 drives a transmission assembly 23. The transmission assembly 23 includes a push plate 231 connected to the output end of the cylinder 22. The two ends of the push plate 231 are rotatably connected to the first ends of a rotating plate 232. The middle part of the rotating plate 232 is rotatably connected to the side of the support base 21 via a fixed shaft 25. The fixed shaft 25 provides a stable fulcrum for the rotation of the rotating plate 232. The second end of the rotating plate 232 is rotatably connected to a claw 26 via a connecting shaft 24. When the cylinder 22 is working, its output end drives the push plate 231 to perform reciprocating linear motion. The push plate 231 drives the rotating plate 232 to swing around the fixed shaft 25 via the first end of the rotating plate 232. The swing of the rotating plate 232 then drives the claw 26 via the connecting shaft 24 to perform the action of clamping or releasing the sampling tube 3.

[0030] Reference Figure 1 , Figure 2 and Figure 3 In the disassembly mechanism 2, the claws 26 are preferably two symmetrically arranged, and are rotatably connected to the second ends of the two rotating plates 232 through the connecting shaft 24 respectively; the push plate 231 has a plate-shaped structure with a through hole for the sampling tube 3 to pass through. The sampling tube 3 passes through the through hole of the push plate 231. Under the drive of the cylinder 22, the linear movement of the push plate 231 will synchronously drive the two rotating plates 232 to rotate around their respective fixed shafts 25, thereby driving the two claws 26 to perform the centering clamping or synchronous release action on the sampling tube 3.

[0031] Reference Figure 1 and Figure 3The backflow prevention mechanism 4 includes a water pipe 41, the inner diameter of which changes in a stepped manner along the water flow direction. A piston 44 is slidably fitted inside the water pipe 41, and the outer circumferential surface of the piston 44 is adapted to the stepped change of the inner diameter of the water pipe 41. A fixing plate 42 is fixedly connected to the inner wall of the water pipe 41. The fixing plate 42 has an annular structure with a through hole in the center. The through hole is used to allow water to flow through the fixing plate 42 and enter the interior of the sampling tube 3. One end of a spring 43 is connected to the fixing plate 42, and the other end of the spring 43 is connected to the piston 44. When there is no water flow pressure, the piston 44, under the restoring force of the spring 43, abuts against the stepped surface of the water pipe 41, thereby sealing the water pipe 41.

[0032] Reference Figure 1 A sliding column 5 is slidably connected to the inner wall of the sampling tank 1. One end of the sliding column 5 extends through the top of the sampling tank 1 in a sealed manner. A transmission block 6 is fixedly connected to the end of the sliding column 5 that extends through the sampling tank 1. A buoyancy ball 7 is connected to the end of the transmission block 6 that is away from the sliding column 5. The transmission block 6 is a rod-shaped structure with a certain length. The buoyancy ball 7 drives the sliding column 5 to slide inside the sampling tank 1 through the drive of the transmission block 6, so as to change the air pressure inside the sampling tank 1.

[0033] The implementation principle of this application embodiment is as follows: When water sampling is performed, the pressure of the external water flow pushes the piston 44 in the anti-backflow mechanism 4. The piston 44 slides and compresses the spring 43, so that a channel is formed inside the water pipe 41. The water then flows into the sampling pipe 3 through the through hole of the fixed plate 42. When the external water pressure disappears or the equipment is lifted out of the water, the recovery force accumulated by the spring 43 pushes the piston 44 to slide back and reset. The end face of the piston 44 abuts against the stepped surface of the water pipe (41) to close the water pipe 41 and prevent the collected water sample from flowing back. During the sampling process, the buoyancy ball 7 is affected by the buoyancy of the water and drives the sliding column 5 to slide inside the sampling tank 1 through the transmission block 6. The sliding of the sliding column 5 changes the air pressure inside the sampling tank (1) and assists the water sample to enter the sampling tank 1.

[0034] When it is necessary to replace the sampling tube 3, the cylinder 22 is activated. The output end of the cylinder 22 drives the push plate 231 to move linearly. The push plate 231 is connected to the first end of the rotating plate 232, which drives the two rotating plates 232 to rotate synchronously around their respective fixed shafts 25. The rotation of the rotating plates 232 then drives the two claws 26 to release or clamp the sampling tube 3 synchronously through the connecting shaft 24, thereby realizing the quick disassembly and installation of the sampling tube 3.

Claims

1. A microbial water sampling device developed based on biological cell technology, comprising a sampling tank (1) fixed with a support base (21), and a sampling tube (3) detachably installed on the support base (21); characterized in that The device also includes a disassembly mechanism (2) fixed on the support base (21) and an anti-backflow mechanism (4) connecting the sampling tank (1) and the sampling tube (3). The disassembly mechanism (2) includes a cylinder (22) fixedly connected to the support base (21) and a transmission assembly (23) driven by the cylinder (22). The transmission assembly (23) includes a push plate (231) connected to the output end of the cylinder (22). The two ends of the push plate (231) are rotatably connected to the first end of the rotating plate (232). The middle part of the rotating plate (232) is rotatably connected to the side of the support base (21) through a fixed shaft (25). The second end of the rotating plate (232) is rotatably connected to a claw clamp (26) through a connecting shaft (24). The claw clamp (26) is used to clamp or release the sampling tube (3). The anti-backflow mechanism (4) includes a water pipe (41), a fixing plate (42) is fixedly connected to the inner wall of the water pipe (41), one end of a spring (43) is connected to the fixing plate (42), and the other end of the spring (43) is connected to a piston (44). The piston (44) slides against the inner wall of the water pipe (41).

2. The microbial water sampling device developed based on biological cell technology according to claim 1, characterized in that, The claw clamps (26) are two symmetrically arranged. The two rotating plates (232) rotate synchronously around their respective fixed axes (25) under the drive of the push plate (231) so as to drive the two claw clamps (26) to center and clamp or release the sampling tube (3) synchronously.

3. The microorganism water body sampling apparatus based on bio-cell technology development according to claim 1 or 2, characterized in that, The push plate (231) is a plate-shaped structure with a through hole in the center for the sampling tube (3) to pass through, and the sampling tube (3) passes through the through hole of the push plate (231).

4. The microorganism water body sampling apparatus based on a bio-cell technology development according to claim 1, characterized by, The fixing plate (42) is an annular structure with a through hole in the center. The through hole is used to allow water to flow through the fixing plate (42) and into the interior of the sampling tube (3).

5. The microbial water sampling device developed based on biological cell technology according to claim 1, characterized in that, The inner diameter of the water pipe (41) changes in a stepped manner along the water flow direction. The outer circumferential surface of the piston (44) is adapted to the stepped change of the inner diameter of the water pipe (41) so that under the restoring force of the spring (43), it abuts against the stepped surface of the water pipe (41) to close the water pipe (41).

6. The microorganism water body sampling apparatus based on bio-cell technology development according to claim 1, characterized in that, The inner wall of the sampling tank (1) is slidably connected to a sliding column (5), one end of which is sealed through the top of the sampling tank (1).

7. The microorganism water body sampling apparatus based on bio-cell technology development according to claim 6, characterized in that, The end of the slide column (5) that protrudes from the sampling tank (1) is fixedly connected to a transmission block (6), and the end of the transmission block (6) that is away from the slide column (5) is connected to a buoyancy ball (7).

8. The microorganism water body sampling apparatus based on a bio-cell technology development according to claim 7, characterized by, The transmission block (6) is a rod-shaped structure with a certain length. The buoyancy ball (7) drives the sliding column (5) to slide inside the sampling tank (1) through the transmission block (6) to change the air pressure inside the sampling tank (1).

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