Inclined rolling contact switch

Inclined rolling contact switch

  • CN 2,904,265 Y
  • Filed: 03/20/2006
  • Issued: 05/23/2007
  • Est. Priority Date: 03/20/2006
  • Status: Active Grant
First Claim
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1. , a kind of camber roll contact-making switch, comprise housing and the ball of being located in the enclosure interior room, it is characterized in that:

  • on housing, placed first contact terminal, second contact terminal and the 3rd contact terminal, first contact terminal has first supported hole in room, second contact terminal has second supported hole in room, the 3rd contact terminal is provided with first feet in room, the edge, hole of first supported hole, the hole of second supported hole has surrounded described ball and has limited its activity space along the tiptoe with first feet, ball has following three kinds of stable states under action of gravity;

    A. the ball part is absorbed in first supported hole of first contact terminal, and is supported along contact by the hole of first supported hole, has the gap between the edge, hole of the ball and second supported hole and the tiptoe of first feet and is off-state;

    B. ball is on first supported hole and second supported hole, and ball is supported along contact by the edge, hole of first supported hole and the hole of second supported hole, has the gap between the tiptoe of the ball and first feet and is off-state;

    C. ball is pressed on second supported hole and first feet, and ball contacts support by the edge, hole of second supported hole with the tiptoe of first feet, has the gap between the edge, hole of the ball and first supported hole and is off-state;

    Described ball is changed back and forth in above-mentioned three kinds of stable states.

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