JP2017107744A5 - - Google Patents

Claims (8)

  A non-plated first conductor, a plated third conductor connected to the first conductor, and a fastening bolt formed at a connection portion between the first conductor and the third conductor. An insertion hole, a concave engagement portion formed in the insertion hole portion of the third conductor, and a convex engagement portion that engages the concave engagement portion on a surface in contact with the third conductor And the convex engaging portion includes a fastening nut into which the fastening bolt engaged with the concave engaging portion of the third conductor while being prevented from rotating is screwed. The conductor connection structure of the switchgear.   Non-plated first conductor, non-plated second conductor, plated third conductor connecting the first conductor and the second conductor, and the first conductor And an insertion hole of a fastening bolt formed in a connection portion between the first conductor and the third conductor, and a connection portion between the second conductor and the third conductor, and a portion of the insertion hole of the third conductor. A concave engaging portion formed and a convex engaging portion engaging with the concave engaging portion are formed on a surface in contact with the third conductor, and the convex engaging portion is the third conductor. A switchgear conductor connection structure comprising: a fastening nut into which the fastening bolt engaged with the concave engaging portion of the concavely engaged portion is engaged. 3. The switchgear according to claim 1, wherein the convex engagement portion of the fastening nut is press-fitted into and engaged with the concave engagement portion of the third conductor. Conductor connection structure.   The concave engaging portion of the third conductor is formed in a polygonal shape, and the convex engaging portion of the fastening nut is formed in a polygonal shape that is engaged with the polygonal shape of the third conductor. The conductor connection structure for a switchgear according to claim 1 or 2, characterized by the above-mentioned.   The contact area of the connection surface which contacts the said 3rd conductor of the said fastening nut is equal to or more than the diameter or diagonal of the said fastening bolt, The Claim 1 characterized by the above-mentioned. Switch gear conductor connection structure.   6. The switch according to claim 1, wherein a surface of the fastening nut opposite to a connection surface in contact with the third conductor has a spherical portion formed into a spherical surface. Gear conductor connection structure.   The ring-shaped dent was provided in the connection surface which contact | connects the said 3rd conductor of the said fastening nut, and the conical leaf | plate spring was arrange | positioned in the said ring-shaped dent, The any one of Claim 1 to 6 characterized by the above-mentioned. The conductor connection structure of switchgear as described in 2.   The switchgear conductor connection structure according to any one of claims 1 to 7, wherein the fastening nut is fixed to the third conductor.