| 摘要 |
A sealing device for a pump has a sleeve (10), a rotary collar (40), a first O-ring (45), a stationary collar (50), a mounting bracket (60), a second O-ring (65), a mounting collar (70) and a locking pin (80). The rotary collar (40), stationary collar (50), mounting bracket (60) and mounting collar (70) are mounted around the sleeve (10). The first O-ring (45) is mounted between the sleeve (10) and the rotary collar (40). The second O-ring (65) is mounted between the mounting bracket (60) and the stationary collar (50). The locking pin (80) is mounted securely between the mounting bracket (60) and the stationary collar (70). The O-rings (45, 65) provide multi-sealing functions. The locking pin (80) prevents relative rotation between the mounting bracket (60) and stationary collar (50).
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