Pole pipe integration vacuum oil -well pump

• Main Authors: MA JIPO, MA BAOZHONG, ZHAI WENYUAN, ZHANG WEI, SONG YANWEN
• Format: Patent
• Language: Chinese; English
• Published: 22.02.2017
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model discloses a pole pipe integration vacuum oil -well pump, including plunger and pump barrel, the plunger slides and sets up at the pump barrel intracavity, and the upper end of pump barrel passes through that the hanger is fixed to set up on set tube cavity inner wall its characterized in that: be equipped with the oil inlet on the middle part lateral wall of pump barrel, the upper end of plunger and hollow sucker rod's lower extreme are connected fixedly, the cavity of intercommunication about hollow sucker rod's middle part is equipped with, the upper portion of plunger intracavity and lower part be fixed traveling valve and the lower traveling valve of being equipped with respectively, and the lower end fixing of pump barrel is equipped with the sand sediment pipe of bottom lock. The utility model discloses cancelled the solid fixed valve that traditional oil -well pump exists, increased traveling valve and sand sediment pipe, become hollow sucker rod with solid sucker rod, realized oiling