Non-return jetting valve capable of automatically switching jetting direction

Non-return jetting valve capable of automatically switching jetting direction

  • CN 203,784,344 U
  • Filed: 03/26/2014
  • Issued: 08/20/2014
  • Est. Priority Date: 03/26/2014
  • Status: Active Grant
First Claim
Patent Images

1. an automatic conversion spray is rushed the spray of direction non-return and is rushed valve, there are valve body and spool, inside the entrance point of valve body, valve pocket is with valve seat, seal spool end sealing corresponding to valve seat in valve pocket, the spool the other end is guide rod, guide rod moves and coordinates with the end cap through hole of valve body, between end cap and spool, be provided with Returnning spring (5), blurt out with spray in guide rod side, spray is blurted out and is communicated with valve pocket by spool and guide rod internal channel, it is characterized in that:

  • in valve pocket, valve seat paripheral zone has prelocalization seat, spool cylindrical with around boss, boss two ends are with the identical end-tooth of between cog calibration, boss front end and the front-end face tooth of prelocalization seat with the symmetrical inclined-plane being meshed, the rear positioning seat of boss rear end and end cap inner side is with the ear end face tooth of the monocline face being meshed, front-end face tooth is meshed, and ear end face tooth is staggered, and the angle that is staggered is being less than tooth calibration, is being greater than within the scope of 1/2nd tooth calibration.

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