Polish rod sealer with good leakage-proof effect

• Main Authors: BA CANCAN, SHAO GUANGXIN, CHENG QI, ZHU XIAOHUI
• Format: Patent
• Language: Chinese; English
• Published: 18.06.2024
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The utility model relates to the technical field of oil extraction equipment, and discloses a polish rod sealer with a good leakage-proof effect, which comprises a polish rod sealer body, a transverse seat is sleeved on the outer wall of the polish rod sealer body, grooves are formed in the middle parts of the front side and the rear side of the transverse seat, a plurality of positioning holes are uniformly formed in the middle parts of the grooves on the two sides from front to back, and the positioning holes are communicated with the transverse seat. Lower shaft seats are slidably connected to the middles of the grooves in the two sides, electric telescopic rods are rotatably connected to the middles of the lower shaft seats on the two sides, and upper shaft seats are fixedly connected to the middles of the front side and the rear side of the polish rod sealer body. According to the polish rod sealer, the electric telescopic rods on the two sides stretch out and draw back, the sliding positions of the lowe