Rotary joint structure for air conditioning unit with large air volume

• Main Authors: HUANG HAI, CHEN HUA, WANG LIANGTIAN, LIN TEYAO, OUYANG TI
• Format: Patent
• Language: Chinese; English
• Published: 27.08.2014
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model provides a rotary joint structure for an air conditioning unit with the large air volume. The rotary joint structure comprises a rotary shaft and a welding part. The rotary shaft is arranged on the welding part. The upper end of the welding part is provided with a sealing cover which is connected with the rotary shaft in a matched mode. The sidewall of the welding part is connected with an external pipeline in a matched mode. The sealing cover is a dynamic and static conversion sealing part and is connected with the rotary shaft through one or more axial sealing rings in a matched mode and connected with the welding part through a radial sealing ring in a matched mode. Through the improvement of the structure, dynamic and static sealing rings are arranged between the sealing cover and the rotary shaft and between the sealing cover and the welding part respectively so that a rotary joint can enable fluid to flow into a dynamic channel from a static channel; consequently, the fluid required by