Constant temperature and humidity chamber with sealing effect

The utility model provides a constant-temperature and constant-humidity chamber with a sealing effect, which comprises a constant-temperature and constant-humidity chamber, a control panel is mounted on the surface of the constant-temperature and constant-humidity chamber, a chamber door is mounted on the surface of the constant-temperature and constant-humidity chamber, an observation window is arranged on the surface of the chamber door, and a sealing mechanism is arranged on the surface of the constant-temperature and constant-humidity chamber. A supporting block is fixedly mounted on the surface of the inner wall of the constant-temperature and constant-humidity box, a storage rack is fixedly connected to the surface of a limiting block, a fixing plate is fixedly connected to the top of the inner wall of the constant-temperature and constant-humidity box, an ultraviolet lamp is fixedly connected to the surface of the fixing plate, and a bolt penetrates through the surface of the fixing plate. According to