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CN-224212660-U - Flow regulator for planktonic bacteria sampler

CN224212660UCN 224212660 UCN224212660 UCN 224212660UCN-224212660-U

Abstract

The utility model discloses a flow regulating device of a planktonic bacteria sampler, which comprises a base, wherein a regulating tank and a buffer tank are respectively arranged at the positions, close to two ends, of the top of the base, one ends of the regulating tank and the buffer tank are respectively provided with a mounting joint, the regulating tank and the other end of the buffer tank are connected through a connecting pipe, the top of the connecting pipe is provided with a rotameter, the inner side of the regulating tank is provided with a control mechanism which is convenient for flow regulation, and the positions, close to two ends, of the buffer tank are respectively provided with one-way valves.

Inventors

  • Kou Caixia
  • WANG LONGYU
  • ZHANG ZIJIAN
  • QIN XIAOHONG

Assignees

  • 泽恒计量检测(北京)有限公司

Dates

Publication Date
20260508
Application Date
20250523

Claims (6)

  1. 1. The flow regulating device of the plankton sampler comprises a base (1) and is characterized in that a regulating tank (3) and a buffer tank (16) are respectively arranged at the positions, close to two ends, of the top of the base (1), one end of the regulating tank (3) and one end of the buffer tank (16) are respectively provided with a mounting joint (18), the regulating tank (3) and the other end of the buffer tank (16) are connected through a connecting pipe (14), a rotor flowmeter (15) is arranged at the top of the connecting pipe (14), a control mechanism convenient for flow regulation is arranged at the inner side of the regulating tank (3), and one-way valves (17) are respectively arranged at the positions, close to two ends, of the buffer tank (16).
  2. 2. The plankton sampler flow regulating device according to claim 1, wherein the control mechanism comprises a knob (13), an air inlet chamber (4) is arranged at the bottom of the inner side of the regulating tank (3), an air outlet chamber (5) is arranged above the air inlet chamber (4), a valve seat (6) is arranged between the air inlet chamber (4) and the air outlet chamber (5), a valve shell (7) is arranged at the top of the regulating tank (3), a movable groove (8) is formed in the bottom of the valve shell (7), two groups of limit grooves (9) are symmetrically formed in the inner wall of the movable groove (8), a threaded cylinder (10) is connected to the inner side of the movable groove (8) in a sliding mode, a protruding block which is connected with the two groups of limit grooves (9) in a sliding mode is arranged on the side face of the threaded cylinder (10), a conical valve core (11) which is matched with the valve seat (6) is arranged at the bottom of the threaded cylinder (10), a screw rod (12) is connected with the valve shell (7) in a threaded mode, one end of the screw rod (12) is connected with the valve shell (7) in a rotating mode, and the screw rod (12) extends to the outer portion of the knob (7) and is connected with the valve shell (13).
  3. 3. The flow regulator of planktonic bacteria sampler according to claim 2, wherein the valve core (11) is made of rubber.
  4. 4. The flow regulator of planktonic bacteria sampler according to claim 1 characterized in that the main body of the buffer tank (16) is cylindrical, and both ends of the buffer tank are designed in a closing-in way.
  5. 5. The flow regulator of planktonic bacteria sampler according to claim 4, wherein the outer ring of the mounting joint (18) is provided with a plurality of sealing rubber rings.
  6. 6. The flow regulating device of the plankton sampler according to claim 1 is characterized in that four groups of mounting holes (2) are formed in the bottom of the base (1).

Description

Flow regulator for planktonic bacteria sampler Technical Field The utility model relates to the technical field of microorganism detection equipment, in particular to a flow regulating device of a plankton sampler. Background The plankton sampler is an important device for collecting plankton in air, is widely applied in the fields of pharmacy, food processing, medical and health, biosafety laboratories and the like, and the flow is one of key parameters of the plankton sampler, and the accuracy and the stability of the plankton sampler directly influence the reliability of a sampling result. However, the existing plankton sampler flow regulating device has a plurality of problems, a common manual regulating mode is difficult to accurately control flow, the sampling flow deviation is easy to cause, the accuracy of a sampling result is influenced, in addition, the existing flow regulating device lacks a flow stabilizing function, in the sampling process, the flow is easy to be influenced by environmental factors or the running fluctuation of equipment, the sampling data is unstable, and the microorganism condition in the sampling environment cannot be truly reflected, so that the plankton sampler flow regulating device needs to be designed to solve the problems. Disclosure of utility model The utility model aims to provide a flow regulating device of a planktonic bacteria sampler so as to solve the problems of the background technology. In order to achieve the purpose, the flow regulating device of the plankton sampler comprises a base, wherein a regulating tank and a buffer tank are respectively arranged at the positions, close to two ends, of the top of the base, the regulating tank and one end of the buffer tank are respectively provided with a mounting joint, the regulating tank and the other end of the buffer tank are connected through a connecting pipe, a rotameter is arranged at the top of the connecting pipe, a control mechanism convenient for flow regulation is arranged at the inner side of the regulating tank, and one-way valves are arranged at the positions, close to two ends, of the buffer tank. Preferably, the control mechanism comprises a knob, the inboard bottom of adjustment tank is equipped with the inlet chamber, the top of inlet chamber is equipped with out the air chamber, the inlet chamber with install the disk seat between the outlet chamber, the valve casing is installed at the top of adjustment tank, movable groove has been seted up to the bottom of valve casing, two sets of spacing grooves have been seted up to the inner wall symmetry of movable groove, the inboard sliding connection of movable groove has a screw section of thick bamboo, the side of screw section of thick bamboo is equipped with two sets of spacing groove sliding connection's lug, the bottom of screw section of thick bamboo be equipped with the toper case of disk seat looks adaptation, screw section of thick bamboo threaded connection has the lead screw, the lead screw with the valve casing rotates to be connected, its one end extends to the outside of valve casing and is connected with the knob. Preferably, the valve core is made of rubber. Preferably, the buffer tank body is cylindrical, and both ends of the buffer tank body adopt a closing-in design. Preferably, the outer ring of the mounting joint is provided with a plurality of sealing rubber rings. Preferably, four groups of mounting holes are formed in the bottom of the base. Compared with the prior art, the utility model has the beneficial effects that: 1. According to the utility model, through the control mechanism, the gas flow in the regulating tank can be regulated, through the rotor flowmeter, the gas flow can be monitored in real time, and the buffer tank and the one-way valve therein play roles in stabilizing the gas flow and preventing the gas from flowing backwards, so that through the structure, the accurate and stable control of the gas flow of the planktonic bacteria sampler is realized, and the accuracy and reliability of sampling data are ensured. Drawings FIG. 1 is a schematic diagram of the overall structure of the present utility model; FIG. 2 is a bottom view of the present utility model; FIG. 3 is a side plan view of the present utility model; FIG. 4 is a side cross-sectional view of the present utility model; fig. 5 is an enlarged view of a portion a in fig. 4. In the figure, 1, a base, 2, a mounting hole, 3, an adjusting tank, 4, an air inlet chamber, 5, an air outlet chamber, 6, a valve seat, 7, a valve shell, 8, a movable groove, 9, a limit groove, 10, a threaded cylinder, 11, a valve core, 12, a screw rod, 13, a knob, 14, a connecting pipe, 15, a rotameter, 16, a buffer tank, 17, a one-way valve, 18 and a mounting joint. Detailed Description The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodime