Self-closing valve of gas pipeline
A technology for gas pipelines and self-closing valves, applied in valve details, safety valves, balance valves, etc., can solve problems such as gas leakage and danger to household users, and achieve the effect of increasing safety factor and increasing safety performance.
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[0019] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.
[0020] Below in conjunction with accompanying drawing and embodiment the present invention will be further described: as Figures 1 to 2 , a self-closing valve for gas pipelines, comprising a valve body 1, a passage for gas passing through the valve body 1, a metal pull rod 4 capable of moving up and down in the passage, and a metal pull rod 4 capable of moving up and down in the passage. The first magnet 6, the first magnet 6 is located below the pull rod 4, and the first magnet 6 is fixedly connected to the card holder 12 through screws, and a gap is arranged on the card holder 12, and the second magnet is fixed in the gap 13. The pull rod 4 is connected to the first magnet 6, the second magnet 13, and the card ho...
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