Positive pressure mask forehead cushion adjusting mechanism
The invention discloses a positive pressure mask forehead cushion adjusting mechanism which comprises a forehead support and a mask connecting frame which are connected together, the forehead support is provided with a first connecting part, the mask connecting frame is provided with a second connec...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a positive pressure mask forehead cushion adjusting mechanism which comprises a forehead support and a mask connecting frame which are connected together, the forehead support is provided with a first connecting part, the mask connecting frame is provided with a second connecting part, and the first connecting part is connected into the second connecting part in a sliding mode; a first control part and a second control part are arranged on the mask connecting frame, the first control part and the second control part are symmetrically arranged on the two sides of the second connecting part, and the control end of the first control part and the control end of the second control part penetrate through the outer wall of the second connecting part to be connected to the first connecting part. According to the forehead cushion adjusting mechanism of the positive pressure mask, the influence of misoperation on the connecting position of the forehead support and the mask connecting frame is av |
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