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CN-224208064-U - Mounting structure and pipetting device

CN224208064UCN 224208064 UCN224208064 UCN 224208064UCN-224208064-U

Abstract

The utility model discloses a mounting structure and discloses a pipetting device with the mounting structure, wherein the mounting structure comprises a water tank, an experiment tube and a first mounting groove, the bottom end of the experiment tube is provided with a liquid inlet, the bottom surface of the experiment tube is fixedly connected with a first magnet, the bottom surface of the experiment tube is provided with a first sealing groove, the first mounting groove is arranged at the bottom of a constant temperature cavity, the bottom of the first mounting groove is provided with a liquid outlet in a penetrating manner, the bottom surface of the mounting groove is fixedly provided with a second magnetic block, the bottom of the mounting groove is provided with a second sealing groove, the bottom end of the experiment tube is embedded in the first mounting groove, the liquid outlet corresponds to the liquid inlet, the first magnet is magnetically connected with the second magnetic block, the first sealing groove corresponds to the second sealing groove, and a sealing rubber ring is embedded between the first sealing groove and the second sealing groove. The sealing rubber ring is matched with the detachable magnetic attraction structure, so that the experiment liquid is prevented from leaking, and the experiment tube can be quickly disassembled and assembled by an experimenter.

Inventors

  • YANG XUELI
  • ZHANG LIN
  • LIU JIA
  • LIU LIHUA

Assignees

  • 成都泰盟软件有限公司

Dates

Publication Date
20260508
Application Date
20250522

Claims (10)

  1. 1. A mounting structure, characterized by comprising: A water tank (100) provided with a constant temperature chamber (110); The experimental tube (200), the bottom of inside is provided with feed liquor hole (210), feed liquor hole (210) run through the bottom surface of experimental tube (200), the bottom surface fixedly connected with first magnet (220) of experimental tube (200), the bottom surface of experimental tube (200) is provided with first seal groove (230); The first mounting groove (300) is formed in the bottom of the constant temperature cavity (110), a liquid outlet hole (310) is formed in the bottom of the first mounting groove (300) in a penetrating mode, a second magnetic block (320) is fixed to the bottom surface of the mounting groove, and a second sealing groove (330) is formed in the bottom of the mounting groove; The bottom of the experimental tube (200) is embedded in the first mounting groove (300), so that the bottom of the experimental tube (200) is abutted to the bottom of the first mounting groove (300), the liquid outlet hole (310) corresponds to the liquid inlet hole (210), the first magnet (220) is magnetically connected with the second magnet (320), the first sealing groove (230) corresponds to the second sealing groove (330), and a sealing rubber ring (400) is embedded between the first sealing groove (230) and the second sealing groove (330).
  2. 2. The mounting structure of claim 1, wherein the packing ring (400) is secured in the second seal groove (330).
  3. 3. The mounting structure of claim 1, wherein the second magnet (320) is annular, the second seal groove (330) is annular and is located inside the second magnet (320), and the liquid outlet hole (310) is located inside the second seal groove (330), wherein the second magnet (320), the second seal groove (330) and the liquid outlet hole (310) are concentric.
  4. 4. Pipetting device, characterized in that it comprises: A mounting structure as claimed in any one of claims 1 to 3; a liquid storage beaker (610) fixed in the constant temperature cavity (110), wherein a liquid supply pipe (311) is arranged between the liquid storage beaker (610) and the liquid outlet hole (310), and the liquid supply pipe (311) is provided with a first liquid pump (3111); -a pre-heating beaker (620) placed in said thermostatic chamber (110); The waste liquid tank (700) and the water tank (100) are integrally formed, the waste liquid tank (700) is provided with a waste liquid cavity (710), a waste liquid pipe (312) is arranged between the waste liquid cavity (710) and the liquid outlet hole (310), and the waste liquid pipe (312) is provided with a second liquid pump (3121); The ventilation assembly (800) is connected with a ventilation pipe (810), and one end of the ventilation pipe (810) extends into the experimental pipe (200); the hanging assembly (900) is arranged on the upper end face of the water tank (100), and the hanging assembly (900) is used for hanging a specimen.
  5. 5. Pipetting device according to claim 4, wherein the thermostatic chamber (110) is further provided with a second mounting groove (500), the preheating beaker (620) being embedded in the second mounting groove (500).
  6. 6. Pipetting device according to claim 4, wherein the outlet opening (310) is connected with a liquid outlet pipe (313), the liquid outlet pipe (313) and the liquid supply pipe (311), and a three-way reversing valve (3131) is connected between the liquid outlet pipe (313) and the liquid supply pipe (311) or the liquid outlet pipe (313) and the liquid waste pipe (312).
  7. 7. The pipetting device according to claim 4, further comprising a fixing clip (1000), wherein an elastic clip (1010) is provided at an upper end of the fixing clip (1000), the elastic clip (1010) is provided at an upper end edge of the test tube (200), the fixing clip (1000) is provided with a limiting through hole (1011) therethrough, and the vent pipe (810) is provided in the limiting through hole (1011) in a penetrating manner.
  8. 8. The pipetting device according to claim 7, wherein the hanging assembly (900) is provided with a first hook (1020), the lower end of the fixing clip (1000) is provided with a second hook (910), and the first hook (1020) and the second hook (910) are fixedly connected with the ends of the wires at the two ends of the specimen respectively.
  9. 9. Pipetting device according to claim 4, wherein the preheat beaker (620) is provided with a plurality.
  10. 10. The pipetting device according to claim 4, wherein a heating element (120) is arranged in the constant temperature cavity (110), the heating element (120) comprises a heating wire (121), a stainless steel sleeve (122) and a silica gel plug (123), the heating wire (121) is arranged in the stainless steel sleeve (122), the silica gel plug (123) is fixedly connected with two ends of the stainless steel sleeve (122), and magnesium oxide powder (124) is filled in the stainless steel sleeve (122).

Description

Mounting structure and pipetting device Technical Field The utility model relates to the technical field of biological experiments, in particular to a mounting structure and a pipetting device. Background In the field of biomedical experiments, the study of the physiological characteristics of smooth muscle is an important basic experimental content, and the influence of physical and chemical factors or medicines on smooth muscle contraction is required to be observed through specimens such as an isolated intestinal canal and the like. In such experiments, stability, liquid handling accuracy and operation convenience of the experimental device directly influence reliability and efficiency of experimental results. The utility model patent with the application number 202322122033.0 discloses a smooth muscle experiment system capable of accurately controlling the preload, which relates to the technical field of biological experiments and comprises a shell and an internal operation device, wherein the internal operation device comprises a ventilation part, an experiment tube, a tension transduction part, an automatic lifting rod and a control panel, the ventilation part provides gas for the experiment tube, the tension transduction part comprises a tension transducer and a fixing piece, the tension transducer is fixed on the automatic lifting rod through the fixing piece, and the automatic lifting rod is connected with a motor and controlled by the control panel. In this scheme, experimental tube mounting means is behind, adopts threaded connection or buckle to fix more, need align the calibration repeatedly during the installation, and is consuming time hard, and sealed effect is poor, and long-term use is easy ageing to lead to the liquid seepage. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the mounting structure which can be quickly assembled and disassembled and ensures the tightness. The utility model further provides a pipetting device with the mounting structure. The mounting structure comprises a water tank, an experiment tube and a first mounting groove, wherein the water tank is provided with a constant temperature cavity, a liquid inlet hole is formed in the bottom end of the inside of the experiment tube, the liquid inlet hole penetrates through the bottom surface of the experiment tube, a first magnet is fixedly connected to the bottom surface of the experiment tube, a first sealing groove is formed in the bottom of the constant temperature cavity, a liquid outlet hole penetrates through the bottom of the first mounting groove, a second magnetic block is fixedly arranged on the bottom surface of the mounting groove, and a second sealing groove is formed in the bottom of the mounting groove, wherein the bottom end of the experiment tube is embedded in the first mounting groove, so that the bottom surface of the experiment tube is in butt joint with the bottom surface of the first mounting groove, the liquid outlet hole corresponds to the liquid inlet hole in position, the first magnet is in magnetic connection with the second magnetic block, the first sealing groove corresponds to the second sealing groove in position, and a sealing rubber ring is embedded between the first sealing groove and the second sealing groove. The mounting structure provided by the embodiment of the utility model has the advantages that the sealing rubber ring is matched with the detachable magnetic attraction structure, so that the experimental liquid is ensured not to leak, and the experimental pipe is convenient to quickly assemble and disassemble by an experimenter. According to some embodiments of the utility model, the sealing gasket is fixed in the second sealing groove. According to some embodiments of the utility model, the second magnetic block is annular, the second sealing groove is annular and is positioned inside the second magnetic block, and the liquid outlet hole is positioned inside the second sealing groove, wherein the second magnetic block, the second sealing groove and the liquid outlet hole are concentric. According to the utility model, the pipetting device comprises the mounting structure, a liquid storage beaker, a preheating beaker, a liquid outlet box, a ventilation assembly and a hanging assembly, wherein the liquid storage beaker is fixed in the constant-temperature cavity, a liquid supply pipe is arranged between the liquid storage beaker and the liquid outlet hole, the liquid supply pipe is provided with a first liquid pump, the preheating beaker is arranged in the constant-temperature cavity, the liquid outlet box and the water box are integrally formed, the liquid outlet box is provided with a liquid outlet cavity, a liquid outlet pipe is arranged between the liquid outlet cavity and the liquid outlet hole, the liquid outlet pipe is provided with a second liquid pu