| 摘要 |
PURPOSE: An inlet and outlet valve structure of mouse culturing cage is provided to make sure the sealing effect, and to have a simple operation without a malfunction. CONSTITUTION: An inlet and outlet valve structure of mouse culturing cage comprises: a nozzle (200) and a cage inside valve (110). The nozzle is combined with an air supplier (300), the cage inside valve is attached and detached on the nozzle, and is formed at the hole on the wall of the cage (100). The nozzle comprises: a nozzle fixing unit (210); and a nozzle moving unit (220) moving forward and backward inside of the nozzle fixing unit. The nozzle fixing unit is connected with a duct, and comprises: a sealing joint (212), and a housing (213) formed with a hole inside, and having the sealing joint. The nozzle moving unit is formed in a cylindrical shape, and formed with a nozzle hole as an air path inside. The nozzle moving unit is equipped with a coil spring (230) between the nozzle fixing unit and nozzle moving unit, and multiple air gateways (222) are formed at the rear side of the nozzle moving unit. [Reference numerals] (AA) Nozzle closed; (BB) Intake and exhaust valve closed |
