General gauze mask ventilator

General gauze mask ventilator

  • CN 205,964,727 U
  • Filed: 08/17/2016
  • Issued: 02/22/2017
  • Est. Priority Date: 08/17/2016
  • Status: Active Grant
First Claim
Patent Images

1. a kind of general mask aerarium is it is characterised in that include:

  • Aerarium, described aerarium is by upper casing (1), is arranged onThe lithium battery (2) of described upper casing (1) bottom, the PCBA circuit board (3) being connected with described lithium battery (2) successively and mini-fan(4) under, being used for fixing the blower tray (5) of described mini-fan (4), being connected with described upper casing (1) by way of fasteningShell (6) is constituted;

    Be arranged on the breather valve (7) of described lower casing (6) bottom, wherein said breather valve (7) be by valve base (74),And the silica gel valve (73) being fixed on described valve base (74), the valve button being sequentially coated on described silica gel valve (73) top(72) constitute with shell (71);

    Described general mask aerarium is supplied to PCBA circuit board (3) by described lithium battery (2)Electricity, driving described mini-fan (4) to enter scanning frequency rotation makes aerarium be internally formed negative pressure, discharges people by breather valve (7) and existsThe waste gas of exhalation in mask.

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