Sampling device for production of composite nitrifying bacteria

Abstract

The utility model discloses a sampling device for composite nitrifying bacteria production, which comprises a sampling tube, a sampling head is sleeved at the suction end of the sampling tube, a piston is hermetically and slidably connected in the sampling tube, a pull rod is fixedly mounted at the top of the piston, and the pull rod penetrates through the top of the sampling tube and is slidably connected with the sampling tube. A moving mechanism is arranged on the side wall of the pull rod, a fixing plate is fixedly mounted on the side wall of the sampling pipe, a graduated scale and two limiting rods are fixedly mounted on the fixing plate, an indicating mechanism is arranged between the two limiting rods, and a driving mechanism is rotationally connected to the top of the fixing plate. The driving mechanism penetrates through the indicating mechanism and is in threaded connection with the indicating mechanism. The sampling device is reasonable in structural design, and can greatly reduce errors generated by sampling each time and improve the accuracy of subsequent detection results during multiple times of sampling.

Description

Technical Field

[0001] The utility model relates to the technical field of composite nitrifying bacteria sampling, in particular to a sampling device used for composite nitrifying bacteria production. Background Art

[0002] Nitrifying bacteria are a type of aerobic bacteria, including nitrite bacteria and nitrate bacteria, and play a very important role in the nitrogen cycle water purification process. Composite nitrifying bacteria need to be sampled for testing during the production and cultivation process, and a sampling device is required for sampling.

[0003] In the prior art, when sampling and testing composite nitrifying bacteria, in order to ensure the test results, it is necessary to perform multiple quantitative sampling of the cultured composite nitrifying bacteria. The existing quantitative sampling method is that the operator observes with the naked eye whether the bottom of the piston is aligned with the scale line of the required amount. The piston is separated by a transparent sampling tube, and the light is refracted by the transparent sampling tube, resulting in the actual sampling amount being too much or too little, resulting in large errors in subsequent test results. For this reason, we designed a sampling device for composite nitrifying bacteria production to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the problems in the prior art and proposes a sampling device for composite nitrifying bacteria production.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A sampling device for the production of composite nitrifying bacteria comprises a sampling tube, a sampling head is sleeved on the suction end of the sampling tube, a piston is sealingly and slidably connected inside the sampling tube, a pull rod is fixedly installed on the top of the piston, the pull rod passes through the top of the sampling tube and is slidably connected thereto, a moving mechanism is provided on the side wall of the pull rod, a fixed plate is fixedly installed on the side wall of the sampling tube, a scale and two limit rods are fixedly installed on the fixed plate, an indicating mechanism is provided between the two limit rods, a driving mechanism is rotatably connected to the top of the fixed plate, the driving mechanism passes through the indicating mechanism and is threadedly connected thereto.

[0007] Preferably, the moving mechanism comprises a connecting rod fixedly mounted on the side wall of the pull rod, and a stop plate is fixedly mounted on the bottom end of the connecting rod.

[0008] Preferably, the indicating mechanism comprises a sliding block slidably connected to two limit rods, a threaded sleeve is fixedly installed between the two sliding blocks, a baffle is fixedly installed on the side wall of one of the sliding blocks, and a pointer is fixedly installed on the side wall of the other sliding block.

[0009] Preferably, the driving mechanism comprises a threaded rod rotatably connected to the top of the fixing plate, and the threaded rod passes through the threaded sleeve and is threadedly connected thereto.

[0010] Preferably, a handle is fixedly mounted on the side wall of the sampling tube.

[0011] Preferably, a screw cap is fixedly mounted on the top end of the threaded rod, and a rubber sleeve is fixedly mounted on the outer side wall of the screw cap.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. Through the arrangement of the scale, the limit rod, the moving mechanism, the indicating mechanism and the driving mechanism, when multiple samplings are performed, the error generated by each sampling can be greatly reduced, and the accuracy of subsequent test results can be improved.

[0014] 2. By setting the handle on the side wall of the sampling tube, when sampling, the operator can hold the handle with one hand and pull the pull rod upward with the other hand to sample, which is convenient for the operator to limit the sampling tube and facilitate the operator to sample.

[0015] In summary, the utility model has a reasonable structural design, and when performing multiple samplings, it can greatly reduce the error generated by each sampling and improve the accuracy of subsequent detection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the sampling device for composite nitrifying bacteria production proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the sampling device for composite nitrifying bacteria production proposed by the utility model when in use;

[0018] Figure 3 for Figure 2 A magnified view of the structure in Figure 2.

[0019] In the figure: 1 sampling tube, 2 handle, 3 piston, 4 pull rod, 5 fixing plate, 6 sampling head, 7 scale, 8 connecting rod, 9 threaded rod, 10 limit rod, 11 stop plate, 12 threaded sleeve, 13 sliding block, 14 baffle, 15 pointer. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-3, a sampling device for composite nitrifying bacteria production, comprising a sampling tube 1, a handle 2 is fixedly installed on the side wall of the sampling tube 1, through the setting of the handle 2 on the side wall of the sampling tube 1, when sampling, the operator can hold the handle 2 with one hand and pull the pull rod 4 upward with the other hand to sample, which is convenient for the operator to limit the sampling tube 1 and convenient for the operator to sample, a sampling head 6 is sleeved on the suction end of the sampling tube 1, a piston 3 is sealingly and slidably connected in the sampling tube 1, a pull rod 4 is fixedly installed on the top of the piston 3, the pull rod 4 passes through the top of the sampling tube 1 and is slidably connected thereto, a moving mechanism is provided on the side wall of the pull rod 4, the moving mechanism comprises a connecting rod 8 fixedly installed on the side wall of the pull rod 4, and a stop plate 11 is fixedly installed on the bottom end of the connecting rod 8;

[0022] A fixing plate 5 is fixedly installed on the side wall of the sampling tube 1, a scale 7 and two limit rods 10 are fixedly installed on the fixing plate 5, an indicating mechanism is provided between the two limit rods 10, the indicating mechanism comprises a sliding block 13 slidably connected to the two limit rods 10, a threaded sleeve 12 is fixedly installed between the two sliding blocks 13, a baffle 14 is fixedly installed on the side wall of one of the sliding blocks 13, and a pointer 15 is fixedly installed on the side wall of the other sliding block 13;

[0023] The top of the fixed plate 5 is rotatably connected with a driving mechanism, which passes through the indicating mechanism and is threadedly connected thereto. The driving mechanism includes a threaded rod 9 rotatably connected to the top of the fixed plate 5, a screw cap is fixedly installed on the top of the threaded rod 9, a rubber sleeve is fixedly installed on the outer wall of the screw cap, and the threaded rod 9 passes through a threaded sleeve 12 and is threadedly connected thereto. Through the arrangement of the scale 7, the limit rod 10, the moving mechanism, the indicating mechanism and the driving mechanism, when multiple samplings are performed, the error generated by each sampling can be greatly reduced, thereby improving the accuracy of subsequent detection results.

[0024] The functional principle of the utility model can be explained through the following operation modes:

[0025] When it is necessary to sample the composite nitrifying bacteria, first, the operator rotates the threaded rod 9, and the threaded rod 9 drives the threaded sleeve 12 to move up and down. The threaded sleeve 12 drives the baffle 14 and the pointer 15 to move up and down through the two sliding blocks 13. When the pointer 15 moves to the scale of the amount to be sampled, the operator stops rotating the threaded rod 9, and then the operator holds the handle 2 with one hand and pulls the pull rod 4 upward with the other hand to sample. When the pull rod 4 moves upward, the pull rod 4 drives the abutment plate 11 to move upward through the connecting rod 8. When the top of the abutment plate 11 abuts against the bottom of the baffle 14, the sampling amount in the sampling tube 1 has been reached, and then the obtained composite nitrifying bacteria are squeezed into the test tube for subsequent sampling.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sampling device for composite nitrifying bacteria production, comprising a sampling tube (1), characterized in that: The suction end of the sampling tube (1) is sleeved with a sampling head (6), and a piston (3) is sealingly and slidably connected inside the sampling tube (1). A pull rod (4) is fixedly installed on the top of the piston (3), and the pull rod (4) passes through the top of the sampling tube (1) and is slidably connected thereto. A moving mechanism is provided on the side wall of the pull rod (4). A fixed plate (5) is fixedly installed on the side wall of the sampling tube (1), and a scale (7) and two limit rods (10) are fixedly installed on the fixed plate (5). An indicating mechanism is provided between the two limit rods (10), and a driving mechanism is rotatably connected to the top of the fixed plate (5), and the driving mechanism passes through the indicating mechanism and is threadedly connected thereto.

2. The sampling device for composite nitrifying bacteria production according to claim 1, characterized in that: The moving mechanism comprises a connecting rod (8) fixedly mounted on the side wall of the pull rod (4), and a stop plate (11) is fixedly mounted on the bottom end of the connecting rod (8).

3. The sampling device for composite nitrifying bacteria production according to claim 1, characterized in that: The indicating mechanism comprises a sliding block (13) slidably connected to two limit rods (10), a threaded sleeve (12) being fixedly installed between the two sliding blocks (13), a baffle (14) being fixedly installed on the side wall of one of the sliding blocks (13), and a pointer (15) being fixedly installed on the side wall of the other sliding block (13).

4. The sampling device for composite nitrifying bacteria production according to claim 3, characterized in that: The driving mechanism comprises a threaded rod (9) rotatably connected to the top of the fixed plate (5), and the threaded rod (9) passes through a threaded sleeve (12) and is threadedly connected thereto.

5. The sampling device for composite nitrifying bacteria production according to claim 1, characterized in that: A handle (2) is fixedly mounted on the side wall of the sampling tube (1).

6. The sampling device for composite nitrifying bacteria production according to claim 4, characterized in that: A screw cap is fixedly mounted on the top end of the threaded rod (9), and a rubber sleeve is fixedly mounted on the outer side wall of the screw cap.

Images