Packing sealing structure of double suction pump
A packing sealing structure of a double suction pump comprises a pump shell, a pump cavity is formed in the pump shell, a pump shaft is installed in the pump cavity, a shaft sleeve is installed on the pump shaft, a sealing frame is arranged outside the shaft sleeve, the sealing frame is installed on...
Gespeichert in:
Hauptverfasser: | , |
---|---|
Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | A packing sealing structure of a double suction pump comprises a pump shell, a pump cavity is formed in the pump shell, a pump shaft is installed in the pump cavity, a shaft sleeve is installed on the pump shaft, a sealing frame is arranged outside the shaft sleeve, the sealing frame is installed on the pump shell, a packing cavity is formed between the sealing frame and the pump shaft, and a plurality of pieces of packing are arranged in the packing cavity. A mounting groove is formed in the side, close to the pump cavity, of the sealing frame, a sealing belt is mounted in the mounting groove, a gap is kept between the sealing belt and the shaft sleeve, a sealing belt gland is mounted on the side edge of the sealing frame and fixes the sealing belt, a circle of embedding groove is formed in the outer ring of the sealing belt, and an outer pressing ring is mounted in the embedding groove. An annular groove is machined in the outer ring of the outer pressing ring, air holes are evenly distributed in the periph |
---|