Co-rotating scroll compressor

Abstract

A co-rotating scroll compressor includes a driving-side scroll member that is rotationally driven by a driving unit and includes a spiral driving-side wall disposed on a driving-side end plate, and a driven-side scroll member (90) that includes a driven-side wall corresponding to the driving-side wall. The driven-side wall is disposed on a driven-side end plate (90a) and engages with the driving-side wall to form a compression chamber. A first support member (33) is provided to a front end of a first driven-side wall (91b) in an axis direction. The first support member (33) is connected to the front end by a positioning pin (40) positioning a phase around a rotation axis, and rotates together with the first driven-side wall (91b). The positioning pin (40) is pressed into the first support member (33) and is fitted into the first driven-side wall (91b) in a non-pressed-in state.

1 . A co-rotating scroll compressor, comprising:
 a driving-side scroll member that is rotationally driven by a driving unit and includes a spiral driving-side wall disposed on a driving-side end plate;   a driven-side scroll member that includes a driven-side wall corresponding to the driving-side wall, the driven-side wall being disposed on a driven-side end plate and engaging with the driving-side wall to form a compression chamber; and   a synchronous driving mechanism that transmits driving force from the driving-side scroll member to the driven-side scroll member to cause the driving-side scroll member and the driven-side scroll member to perform rotational movement in a same direction at a same angular velocity, wherein   a support member is provided to a front end of at least one of the driving-side wall and the driven-side wall in an axis direction, the support member being connected to the front end by a positioning pin positioning a phase around a rotation axis, and rotating together with the connected wall, and   the positioning pin is pressed into the support member and is fitted into the wall in a non-pressed-in state.   
     
     
         2 . The co-rotating scroll compressor according to  claim 1 , wherein the positioning pin is provided at each of at least two positions around the rotation axis. 
     
     
         3 . The co-rotating scroll compressor according to  claim 1 , wherein
 the driving-side scroll member includes a first driving-side scroll portion and a second driving-side scroll portion, the first driving-side scroll portion including a first driving-side end plate and a first driving-side wall and being driven by the driving unit, and the second driving-side scroll portion including a second driving-side end plate and a second driving-side wall,   the driven-side scroll member includes a first driven-side wall and a second driven-side wall, the first driven-side wall being provided on one side surface of the driven-side end plate and engaging with the first driving-side wall, and the second driven-side wall being provided on another side surface of the driven-side end plate and engaging with the second driving-side wall,   the co-rotating scroll compressor includes a first support member and a second support member, the first support member being fixed to a front end side of the first driven-side wall in the axis direction with the first driving-side end plate in between and rotating together with the first driven-side wall, and the second support member being fixed to a front end side of the second driven-side wall in the axis direction with the second driving-side end plate in between and rotating together with the second driven-side wall, and   the positioning pin is provided between the first driven-side wall and the first support member and between the second driven-side wall and the second support member.