JP2020094555A5

JP2020094555A5 -

Info

Publication number: JP2020094555A5
Application number: JP2018233631A
Authority: JP
Filing date: 2018-12-13
Publication date: 2020-11-12
Anticipated expiration: 2038-12-13

Description

開示された流体機械の一つは、渦巻き状の固定側ラップ（３３１）を有した固定スクロール（３３）と、固定側ラップとの間に流体を吸入、圧縮および吐出する流体室（３８）を形成する渦巻き状の旋回側ラップ（２２）を有した旋回スクロール（２０）と、旋回スクロールの自転運動を阻止するために、円形状の内周壁を有する規制部（５１；１５１）と規制部の内周壁に規制されつつ規制部の内側において旋回する突出部（５２；１５２；２５２；３５２）とをそれぞれ有する複数の自転防止機構部（５０）と、を備え、
突出部は、一方端側に設けられて規制部の内周壁に対して摺動する摺動部（５２１；１５２１）と、他方端側に設けられて固定側部材（３２）に固定されている被固定部（５２０；１５２０；２５２０）と、被固定部と摺動部との間において支えられていない非支持部（５２２）と、を有し、
非支持部は、固定側部材（３２）において規制部に対向する面（３２２）よりも、被固定部寄りに位置する部分であり、
固定側部材は、非支持部に対して径方向に離間して非支持部との間に空間部を形成する離間壁（３２１）を備えている。
開示された流体機械の一つは、渦巻き状の固定側ラップ（３３１）を有した固定スクロール（３３）と、固定側ラップとの間に流体を吸入、圧縮および吐出する流体室（３８）を形成する渦巻き状の旋回側ラップ（２２）を有した旋回スクロール（２０）と、旋回スクロールの自転運動を阻止するために、円形状の内周壁を有する規制部（５１；１５１）と規制部の内周壁に規制されつつ規制部の内側において旋回する突出部（１５２；２５２；３５２）とをそれぞれ有する複数の自転防止機構部（５０）と、を備え、
突出部は、一方端側に設けられて規制部の内周壁に対して摺動する摺動部（５２１；１５２１）と、他方端側に設けられて固定側部材（３２）に固定されている被固定部（１５２０；２５２０）と、被固定部と摺動部との間において支えられていない非支持部（５２２）と、を有し、
非支持部は、被固定部よりも細い部分である。
開示された流体機械の一つは、渦巻き状の固定側ラップ（３３１）を有した固定スクロール（３３）と、固定側ラップとの間に流体を吸入、圧縮および吐出する流体室（３８）を形成する渦巻き状の旋回側ラップ（２２）を有した旋回スクロール（２０）と、旋回スクロールの自転運動を阻止するために、円形状の内周壁を有する規制部（５１；１５１）と規制部の内周壁に規制されつつ規制部の内側において旋回する突出部（３５２）とをそれぞれ有する複数の自転防止機構部（５０）と、を備え、
突出部は、一方端側に設けられて規制部の内周壁に対して摺動する摺動部（１５２１）と、他方端側に設けられて固定側部材（３２）に固定されている被固定部（５２０；１５２０；２５２０）と、被固定部と摺動部との間において支えられていない非支持部（５２２）と、を有し、
摺動部は、非支持部よりも外径寸法が大きい。 One of the disclosed fluid machines has a fluid chamber (38) for sucking, compressing and discharging fluid between a fixed scroll (33) having a spiral fixed side wrap (331) and a fixed side wrap. A swivel scroll (20) having a spiral swirl side wrap (22) to be formed, and a regulating portion (51; 151) having a circular inner peripheral wall and a regulating portion to prevent the rotating motion of the swirling scroll. It is provided with a plurality of rotation prevention mechanism portions (50) each having a protruding portion (52; 152; 252; 352) that swivels inside the regulating portion while being regulated by the inner peripheral wall.
The protruding portion is provided on one end side and is fixed to a sliding portion (521; 1521) that slides on the inner peripheral wall of the regulating portion, and is provided on the other end side and is fixed to a fixed side member (32). possess a (2520 520; 1520), non-supported part unsupported in between the fixed portion and the sliding portion (522), a fixed portion
The non-supported portion is a portion of the fixed side member (32) located closer to the fixed portion than the surface (322) facing the regulated portion.
Stationary member, that have a spacing wall (321) forming a space between the non-supported part at a distance from each other in the radial direction with respect to the non-supported part.
One of the disclosed fluid machines has a fluid chamber (38) for sucking, compressing and discharging fluid between a fixed scroll (33) having a spiral fixed side wrap (331) and a fixed side wrap. A swivel scroll (20) having a spiral swirl side wrap (22) to be formed, and a regulating portion (51; 151) having a circular inner peripheral wall and a regulating portion to prevent the rotating motion of the swirling scroll. It is provided with a plurality of rotation prevention mechanism portions (50), each of which has a protruding portion (152; 252; 352) that swivels inside the regulating portion while being regulated by the inner peripheral wall.
The protruding portion is provided on one end side and is fixed to a sliding portion (521; 1521) that slides on the inner peripheral wall of the regulating portion, and is provided on the other end side and is fixed to a fixed side member (32). It has a fixed portion (1520; 2520) and a non-supported portion (522) that is not supported between the fixed portion and the sliding portion.
The non-supported portion is a portion thinner than the fixed portion.
One of the disclosed fluid machines has a fluid chamber (38) for sucking, compressing and discharging fluid between a fixed scroll (33) having a spiral fixed side wrap (331) and a fixed side wrap. A swivel scroll (20) having a spiral swirl side wrap (22) to be formed, and a regulating portion (51; 151) having a circular inner peripheral wall and a regulating portion to prevent the rotating motion of the swirling scroll. It is provided with a plurality of rotation prevention mechanism portions (50) each having a protruding portion (352) that swivels inside the regulating portion while being regulated by the inner peripheral wall.
The protruding portion is a sliding portion (1521) provided on one end side and sliding with respect to the inner peripheral wall of the regulating portion, and a fixed portion provided on the other end side and fixed to a fixed side member (32). It has a portion (520; 1520; 2520) and a non-supported portion (522) that is not supported between the fixed portion and the sliding portion.
The sliding portion has a larger outer diameter than the non-supported portion.

Claims

A fixed scroll (33) with a spiral fixed side wrap (331) and
A swirl scroll (20) having a swirl swirl side wrap (22) forming a fluid chamber (38) for sucking, compressing and discharging the fluid between the fixed side wrap and the swirl scroll (20).
In order to prevent the rotation of the swivel scroll, a regulating portion (51; 151) having a circular inner peripheral wall and a protruding portion (52) that swivels inside the restricting portion while being restricted by the inner peripheral wall of the restricting portion. A plurality of rotation prevention mechanism units (50) each having 152; 252; 352), and
With
The protruding portion is provided on one end side and is fixed to a sliding portion (521; 1521) that slides on the inner peripheral wall of the regulating portion, and is provided on the other end side and is fixed to a fixed side member (32). possess a (2520 520; 1520), wherein the unsupported portion that is not supported between said sliding portion and the fixed portion (522), a fixed portion which is
The non-supported portion is a portion of the fixed side member (32) located closer to the fixed portion than the surface (322) facing the regulated portion.
The stationary member, a fluid machine wherein that features spaced walls (321) forming a space between the non-supported part at a distance from each other in the radial direction with respect to the non-supported part.

The fluid machine according to claim 1, wherein the separating wall has a length along the axial direction of the protruding portion longer than the axial length of the sliding portion .

The fluid machine according to claim 1 or 2, wherein the separating wall has a length along the axial direction of the protruding portion longer than the outer diameter dimension of the sliding portion.

The method according to any one of claims 1 to 3 , wherein the length of the separating wall along the axial direction of the protruding portion is longer than the radial distance between the separating wall and the outer peripheral surface of the non-supporting portion. Fluid machine.

The non-support portion, the fluid machine according to any one of claims 1 to 4 are thin part than the part to be fixed.

A fixed scroll (33) with a spiral fixed side wrap (331) and
A swirl scroll (20) having a swirl swirl side wrap (22) forming a fluid chamber (38) for sucking, compressing and discharging the fluid between the fixed side wrap and the swirl scroll (20).
In order to prevent the rotation of the swivel scroll, a regulating portion (51; 151) having a circular inner peripheral wall and a protruding portion (152) that swivels inside the restricting portion while being restricted by the inner peripheral wall of the restricting portion. A plurality of rotation prevention mechanism units (50) each having 252; 352) and
With
The protruding portion is provided on one end side and is fixed to a sliding portion (521; 1521) that slides on the inner peripheral wall of the regulating portion, and is provided on the other end side and is fixed to a fixed side member (32). It has a fixed portion (1520; 2520) that is fixed, and a non-supported portion (522) that is not supported between the fixed portion and the sliding portion.
The non-support portion, Oh Ru Fluid machine a thin portion than the fixed portion.

The fluid machine according to any one of claims 1 to 6, wherein the sliding portion has a larger outer diameter than the non-support portion.

A fixed scroll (33) with a spiral fixed side wrap (331) and
A swirl scroll (20) having a swirl swirl side wrap (22) forming a fluid chamber (38) for sucking, compressing and discharging the fluid between the fixed side wrap and the swirl scroll (20).
In order to prevent the rotation of the swivel scroll, a regulating portion (51; 151) having a circular inner peripheral wall and a protruding portion (352) that swivels inside the restricting portion while being restricted by the inner peripheral wall of the restricting portion. ), And a plurality of rotation prevention mechanism units (50), respectively.
With
The protruding portion is provided on one end side and is fixed to a sliding portion (1521) that slides on the inner peripheral wall of the regulating portion, and is provided on the other end side and is fixed to a fixed side member (32). It has a fixed portion (520; 1520; 2520) and a non-supported portion (522) that is not supported between the fixed portion and the sliding portion.
The sliding portion, the flow body mechanical outer diameter greater than the unsupported portion.

The regulating unit, the fluid machine according to any one of claims 1 to 8 Ru tubular sleeve member der housed in a recess provided in the orbiting scroll.

The fluid machine according to any one of claims 1 to 8, wherein the sliding portion includes a ring-shaped member (53) rotatably attached to a tip end side portion of the protruding portion .

A fixed scroll (33) with a spiral fixed side wrap (331) and
A swivel scroll (20) having a swivel side wrap (22) forming a fluid chamber (38) for sucking, compressing and discharging fluid between the fixed side wrap and
In order to prevent the rotation of the turning scroll, a regulating portion (51) having a circular inner peripheral wall and a protruding portion (52) that swivels inside the regulating portion while being restricted by the inner peripheral wall of the regulating portion. A plurality of rotation prevention mechanism units (50) each having
With
The protruding portion includes a sliding portion (521) provided on one end side and sliding with respect to the inner peripheral wall of the regulating portion, and a fixed portion (520) provided on the other end side and fixed. Elastic deformation between the fixed portion and the sliding portion, which is formed of a material having a larger amount of deformation with respect to a load than the fixed side member (32) to which the fixed portion is fixed. member (55; 155) supported have that Fluid machine by.

The fluid machine according to claim 11 , wherein the elastically deforming member partially supports the protruding portion between the fixed portion and the sliding portion .

The fluid machine according to any one of claims 1 to 12, wherein the fixed-side member has a crimped portion (323) crimped around the fixed portion .

The fluid machine according to any one of claims 1 to 13, wherein the fixed-side lap and the swivel-side lap form an asymmetrical spiral shape having a different winding angle range .

The fluid machine according to any one of claims 1 to 14, wherein the material of the swivel scroll is resin.