Environment-friendly gas insulated ring main unit and cable accessory connecting piece thereof

Abstract

The utility model provides a kind of environment-friendly gas insulation type ring main unit and its cable accessory connecting piece, including screw rod part and screw sleeve part, the screw sleeve part includes oppositely arranged fixed tile and movable tile, and the fixed tile end portion is mutually fixed with screw rod part, and the movable tile can be close to or away from fixed tile, and fixed tile and movable tile are enclosed to form blind hole when movable tile and fixed tile close to limit position, and blind hole is equipped with internal thread, and the blind hole is coaxially arranged with screw rod part;Locking ring, when fixed tile and movable tile close to limit position, locking ring can be set on screw sleeve part.The utility model uses fixed tile and movable tile to form screw sleeve part, so that two tiles can be away from each other, so that screw rod extends into screw sleeve internal space, then two tiles are fixed by locking ring, so that screw sleeve part can be screwed with screw, to reduce the number of screwing locking ring, quickly complete connection locking, reduce the time used for installation connection.

Claims

1. A cable accessory connector, characterized in that: include The screw part and the screw sleeve part, wherein the screw sleeve part includes a fixed plate and a movable plate arranged opposite to each other, and the end of the fixed plate is fixedly connected to the screw part, and the movable plate can approach or move away from the fixed plate, and when the movable plate and the fixed plate approach to the limit position, the fixed plate and the movable plate surround to form a blind hole, and the blind hole is provided with an internal thread, and the blind hole is coaxially arranged with the screw part; The locking ring can be fitted onto the threaded sleeve when the fixed and movable plates are close to their limit positions.

2. A cable accessory connector according to claim 1, characterized in that: The threaded sleeve is provided with connecting rods on both sides, and the two ends of the connecting rods are rotatably connected to the fixed tile and the movable tile, respectively. When the length direction of the connecting rod is perpendicular to the axis of the threaded sleeve, the movable tile and the fixed tile move to the extreme position where they are far apart from each other.

3. A cable accessory connector according to claim 2, characterized in that: When the movable tile and the fixed tile approach their extreme positions, the end of the connecting rod connected to the fixed tile is closer to the screw section than the end connected to the movable tile.

4. A cable accessory connector according to claim 2, characterized in that: The locking ring bends outward on both sides to form clearance space, through which the connecting rod can pass.

5. A cable accessory connector according to claim 4, characterized in that: The fixed tile and / or movable tile are respectively provided with clearance cut surfaces on both sides, and the connecting rod is rotatably connected to the clearance cut surfaces of the fixed tile and / or movable tile.

6. A cable accessory connector according to claim 1, characterized in that: A chamfer is provided between the fixing tile and the screw section.

7. A cable accessory connector according to claim 1, characterized in that: The movable tile has a chamfer at the end near the screw.

8. A cable accessory connector according to claim 1, characterized in that: A torque tangent is provided between the screw section and the sleeve section.

9. A cable accessory connector according to claim 8, characterized in that: A control handle is fixed on the movable bearing, the end of the control handle extends to the periphery of the torque tangential surface, and the locking ring can be placed in the middle of the control handle.

10. An environmentally friendly gas-insulated ring main unit, characterized in that: The cable connector includes a screw rod, at least one cable accessory connector as described in any one of claims 1-9, a cable connector sleeve, and a surge arrester, wherein the screw sleeve portion of the cable accessory connector is screwed to the outer end of the screw rod, and the cable connector sleeve and the surge arrester are sequentially sleeved on the outside of the cable accessory connector, and the end face of the screw sleeve portion of the cable accessory connector is tightly abutted against the edge of the central hole of the cable sleeve.

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