Pressure-reducing valve

Pressure-reducing valve

  • CN 2,608,789 Y
  • Filed: 03/19/2003
  • Issued: 03/31/2004
  • Est. Priority Date: 03/19/2003
  • Status: Active Grant
First Claim
Patent Images

1. , reduction valve, comprise valve body (1), valve gap (2) is installed on the valve body (1), decompression glue cypress (7) is arranged between valve body (1) and the valve gap (2), between decompression glue cypress (7) and the valve body (1) is relief chamber (18), there is compressing tablet (6) in the outside of decompression glue cypress (7), coremaking (3) is arranged on the valve gap (2), there is spring pressuring plate (4) end of coremaking (3), between compressing tablet (6) and the spring pressuring plate (4) relief spring (5) is arranged, suction port (16) is arranged on the valve body (1), air outlet (20), suction port (16) is communicated with gas-entered passageway (17) by valve plunger tip (4), relief chamber (18) is communicated with air outlet (20) by outlet passageway (19), it is characterized in that valve cover (8) is arranged in the gas-entered passageway (17), one counterbore (30) is arranged in the valve cover (8), spring (11) is arranged in the counterbore (30), one end of spring (11) contacts with valve body (1), the other end connects with interior valve inside (12), be with on the interior valve inside (12) and the wall of counterbore (30) between gapped valve cushion rubber (13), valve inside (12) in one end of outer valve inside (9) connects, the other end connects with decompression glue cypress (7).

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