Co-rotating scroll compressor and method of assembling the same

Abstract

A scroll accommodation portion (3b) for accommodating a driving-side scroll member (70), a driven-side scroll member (90), a first support member (33), and a second support member (35) is provided. The first driving-side scroll portion (71) and a second driving-side scroll portion (72) are fixed by a wall fixing bolt (31). The driven-side scroll member (90) and the second support member (35) are fixed by a second support fixing bolt (36). The scroll accommodation portion (3b) is formed with an access hole (3b1) accessible to the wall fixing bolt (31) and the second support fixing bolt (36).

1 .- 7 . (canceled) 
     
     
         8 . 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 space;   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; and   a housing accommodating the driving-side scroll member, the driven-side scroll member and the synchronous driving mechanism, wherein   the driving-side scroll member includes a first driving-side scroll portion, a second driving-side scroll portion, and a wall fixing part, 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, the second driving-side scroll portion including a second driving-side end plate and a second driving-side wall, and the wall fixing part performing fixing while a front end in an axial direction of the first driving-side wall and a front end in an axial direction of the second driving-side wall face each other, and   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, wherein   the co-rotating scroll compressor includes a first support member and a second support member, the first support member being disposed with the first driving-side end plate interposed therebetween and being fixed by a first support fixing part to the front end side in the axial direction of the first driven-side wall to rotate with the first driven-side wall, and the second support member being disposed with the second driving-side end plate interposed therebetween and being fixed by a second support fixing part to the front end side in the axial direction of the second-driven side wall to rotate with the second driven-side wall, wherein   a hole accessible to the wall fixing part and/or the first support fixing part and/or the second support fixing part is formed in the housing.   
     
     
         9 . The co-rotating scroll compressor according to  claim 8 , comprising a sealing body sealing the hole. 
     
     
         10 . The co-rotating scroll compressor according to  claim 8 , wherein the co-rotating scroll compressor is provided with two or more holes. 
     
     
         11 . The co-rotating scroll compressor according to  claim 8 , wherein the hole is formed at an end part opposite to an openable end part of the housing. 
     
     
         12 . The co-rotating scroll compressor according to  claim 8 , wherein the hole is accessible to the wall fixing part fixed to a radially outwardly projecting flange portion of the first driving-side wall and the second driving-side wall and/or the first support fixing part fixed to the front end on the outer peripheral side of the first driven-side wall and/or the second support fixing part fixed to the front end on the outer peripheral side of the second driven-side wall. 
     
     
         13 . A method of assembling a co-rotating scroll compressor, the 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 space;   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; and   a housing accommodating the driving-side scroll member, the driven-side scroll member and the synchronous driving mechanism, wherein   the driving-side scroll member includes a first driving-side scroll portion, a second driving-side scroll portion, and a wall fixing part, 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, the second driving-side scroll portion including a second driving-side end plate and a second driving-side wall, and the wall fixing part performing fixing while a front end in an axial direction of the first driving-side wall and a front end in an axial direction of the second driving-side wall face each other, and   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, wherein   the co-rotating scroll compressor includes a first support member and a second support member, the first support member being disposed with the first driving-side end plate interposed therebetween and being fixed by a first support fixing part to the front end side in the axial direction of the first driven-side wall to rotate with the first driven-side wall, and the second support member being disposed with the second driving-side end plate interposed therebetween and being fixed by a second support fixing part to the front end side in the axial direction of the second-driven side wall to rotate with the second driven-side wall, wherein   the first support fixing part or the second support fixing part is fixed, after the first support member or the second support member is assembled to the housing, using a hole accessible to the first support fixing part or the second support fixing part formed in the housing.   
     
     
         14 . A method of assembling a co-rotating scroll compressor, the 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 space;   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; and   a housing accommodating the driving-side scroll member, the driven-side scroll member and the synchronous driving mechanism, wherein   the driving-side scroll member includes a first driving-side scroll portion, a second driving-side scroll portion, and a wall fixing part, 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, the second driving-side scroll portion including a second driving-side end plate and a second driving-side wall, and the wall fixing part performing fixing while a front end in an axial direction of the first driving-side wall and a front end in an axial direction of the second driving-side wall face each other, and   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, wherein   the co-rotating scroll compressor includes a first support member and a second support member, the first support member being disposed with the first driving-side end plate interposed therebetween and being fixed by a first support fixing part to the front end side in the axial direction of the first driven-side wall to rotate with the first driven-side wall, and the second support member being disposed with the second driving-side end plate interposed therebetween and being fixed by a second support fixing part to the front end side in the axial direction of the second-driven side wall to rotate with the second driven-side wall, wherein   the wall fixing part is fixed, after the first driving-side scroll portion and the second driving-side scroll portion are assembled to the housing, using a hole accessible to the wall fixing part formed in the housing.   
     
     
         15 . A method of assembling a co-rotating scroll compressor, the 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 space;   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; and   a housing accommodating the driving-side scroll member, the driven-side scroll member and the synchronous driving mechanism, wherein   the driving-side scroll member includes a first driving-side scroll portion, a second driving-side scroll portion, and a wall fixing part, 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, the second driving-side scroll portion including a second driving-side end plate and a second driving-side wall, and the wall fixing part performing fixing while a front end in an axial direction of the first driving-side wall and a front end in an axial direction of the second driving-side wall face each other, and   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, wherein   the co-rotating scroll compressor includes a first support member and a second support member, the first support member being disposed with the first driving-side end plate interposed therebetween and being fixed by a first support fixing part to the front end side in the axial direction of the first driven-side wall to rotate with the first driven-side wall, and the second support member being disposed with the second driving-side end plate interposed therebetween and being fixed by a second support fixing part to the front end side in the axial direction of the second-driven side wall to rotate with the second driven-side wall, wherein   after the first driving-side scroll portion and the second driving-side scroll portion, the first support member and the second support member are integrated to form an assembly, the assembly is assembled to the housing.