The utility model discloses a spacing fastener, including the latch end, latch end pivoted is fixed in on the supporting seat, the latch hand ladle is drawn together and is used for right the line carry on unwrapping wire when action with the first latch of gear train looks joint and being used for right the line receive line when action with gear train looks joint second latch, the stiff end, the stiff end pivoted is fixed in on the supporting seat, the stiff end with the latch end does two opposition ends of fastener make and work as first latch perhaps the second latch with during gear train looks joint, the stiff end passes through a setting element will the latch end the supporting seat carries out relatively fixed, the utility model discloses effectively solved among the prior art owing to lie in self gravity of aerial earth connection, very easily caused because the earth connection is former therefore the electric accident or the personal safety accident that take place.