JP2013096281A5

JP2013096281A5 -

Info

Publication number: JP2013096281A5
Application number: JP2011238714A
Authority: JP
Filing date: 2011-10-31
Publication date: 2013-09-26
Anticipated expiration: 2031-10-31

Description

この発明に係る回転圧縮機は、固定子及び回転子を有する電動機と、前記回転子に固定された主軸、前記主軸の軸方向に設けられた副軸、前記主軸と前記副軸との間に所定の位相差を設けて形成された複数の偏芯部、並びに隣接する前記偏芯部の間に設けられた中間軸を有し、前記電動機により駆動されるクランク軸と、円筒状の孔が形成され、該孔に前記偏芯部が配置されて圧縮室が形成される複数のシリンダと、内部に前記中間軸が配置される貫通孔が形成され、隣接する前記シリンダの圧縮室の間を仕切る仕切板と、を備え、
前記中間軸の外周面は、前記偏芯部の反偏芯側の外周面よりも外周側に形成され、前記仕切板は、前記貫通孔を通る断面によって複数に分割されているとともに、前記貫通孔の内径を、前記中間軸の外径よりも大きく、且つ、前記偏芯部の外径よりも小さく形成したものである。 Rotary compressor according to the present invention, between a motor having a stator and a rotor, the main shaft fixed to the rotor, countershaft provided on the shaft Direction of the main shaft, and the main shaft the the auxiliary shaft A crankshaft having a plurality of eccentric parts formed with a predetermined phase difference and an intermediate shaft provided between adjacent eccentric parts, and driven by the electric motor, and a cylindrical hole There is formed a plurality of cylinder compression chambers are arranged the eccentric portion to the hole is formed, inside the intermediate shaft is penetrations holes that will be arranged form, of the cylinder adjacent the compression chamber for example Bei and a partition plate partitioning between,
The outer peripheral surface of the intermediate shaft is formed on the outer peripheral side than the outer peripheral surface of the counter-eccentric side of the eccentric portion, the partition plate, together are divided into a plurality by a section through the through-hole, before Symbol the inner diameter of the penetrations holes, the intermediate shaft larger than the outer diameter of, and is obtained by forming smaller than the outer diameter of the eccentric portion.

また、この発明に係る回転圧縮機は、固定子及び回転子を有する電動機と、前記回転子に固定された主軸、前記主軸の軸方向に設けられた副軸、前記主軸と前記副軸との間に所定の位相差を設けて形成された複数の偏芯部、並びに隣接する前記偏芯部の間に設けられた中間軸を有し、前記電動機により駆動されるクランク軸と、前記偏芯部に嵌合する複数のピストンと、円筒状の孔が形成され、該孔に前記偏芯部及び前記ピストンが配置されて圧縮室が形成される複数のシリンダと、内部に前記中間軸が配置される貫通孔が形成され、隣接する前記シリンダの圧縮室の間を仕切る仕切板と、を備え、
前記中間軸の外周面は、前記偏芯部の反偏芯側の外周面よりも外周側に形成され、前記仕切板は、前記貫通孔を通る断面によって複数に分割されているとともに、前記貫通孔の内径を、前記中間軸の外径よりも大きく、且つ、前記偏芯部の外径よりも小さく形成し、前記ピストンの反偏芯側の外周面は、前記貫通孔の内径よりも外周側に形成されているものである。 The rotary compressor according to the present invention includes a motor having a stator and a rotor, the main shaft fixed to the rotor, axial direction countershaft provided direction of the main shaft, the main shaft and the auxiliary shaft A plurality of eccentric parts formed with a predetermined phase difference between them, and an intermediate shaft provided between the adjacent eccentric parts, the crankshaft driven by the electric motor, and the eccentric a plurality of pistons fitted in the core portion, a cylindrical hole is formed, a plurality of cylinder compression chambers are arranged the eccentric part and the piston to the bore is formed, the inside intermediate shaft is penetrations holes that will be arranged form, e Bei a partition plate partitioning the compression chamber of the cylinder adjacent the,
The outer peripheral surface of the intermediate shaft is formed on the outer peripheral side than the outer peripheral surface of the counter-eccentric side of the eccentric portion, the partition plate, together are divided into a plurality by a section through the through-hole, before Symbol the inner diameter of the penetrations holes larger than the outer diameter of the intermediate shaft, and, formed smaller than the outer diameter of the eccentric portion, the outer peripheral surface of the counter-eccentric side of the piston, before Kinuki hole It is formed on the outer peripheral side than the inner diameter.

Claims

An electric motor having a stator and a rotor;
Spindle fixed to the rotor, axial direction countershaft provided direction of the main shaft, a plurality of eccentric portions formed with a predetermined phase difference between said main shaft auxiliary shaft, as well as adjacent A crankshaft having an intermediate shaft provided between the eccentric portions and driven by the electric motor;
A plurality of cylinders cylindrical hole is formed, the compression chambers are arranged the eccentric portion to the hole is formed,
Inside the intermediate shaft is penetrations holes that will be disposed forming a partition plate partitioning the compression chamber of the cylinder adjacent,
Bei to give a,
The outer peripheral surface of the intermediate shaft is formed on the outer peripheral side with respect to the outer peripheral surface on the anti-eccentric side of the eccentric portion,
The partition plate, together are divided into a plurality by a section through the through hole,
The inner diameter of the front Kinuki hole, the larger than the outer diameter of the intermediate shaft, and, rotary compressor, characterized in that formed smaller than the outer diameter of the eccentric portion.

An electric motor having a stator and a rotor;
Spindle fixed to the rotor, axial direction countershaft provided direction of the main shaft, a plurality of eccentric portions formed with a predetermined phase difference between said main shaft auxiliary shaft, as well as adjacent A crankshaft having an intermediate shaft provided between the eccentric portions and driven by the electric motor;
A plurality of pistons fitted to the eccentric part;
A plurality of cylinders cylindrical hole is formed, the compression chambers are arranged the eccentric part and the piston to the bore is formed,
Inside the intermediate shaft is penetrations holes that will be disposed forming a partition plate partitioning the compression chamber of the cylinder adjacent,
Bei to give a,
The outer peripheral surface of the intermediate shaft is formed on the outer peripheral side with respect to the outer peripheral surface on the anti-eccentric side of the eccentric portion,
The partition plate, together are divided into a plurality by a section through the through hole,
The inner diameter of the front Kinuki hole larger than the outer diameter of the intermediate shaft, and, formed smaller than the outer diameter of the eccentric portion,
The counter-eccentric side outer peripheral surface of the piston, the rotary compressor, characterized in that formed on the outer peripheral side than the inner diameter of the front Kinuki hole.

The rotary compressor according to claim 1 or 2, wherein the crankshaft is made of a material having a Young's modulus of 150 GPa or more.