JPS5996392U

JPS5996392U - rotary compressor

Info

Publication number: JPS5996392U
Application number: JP19248682U
Authority: JP
Inventors: 祖父江　定男
Original assignee: ダイキン工業株式会社
Priority date: 1982-12-20
Filing date: 1982-12-20
Publication date: 1984-06-29

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本実施例の断面図、第２図は要部の拡大平面図
、第３図は同拡大正面図、第４図は他の実施例要部を示
す拡大平面図、第５図は同拡大正面図、第６図は従来例
を示す断面図である。５・・・上部軸受筒、６．６０・・・フロントヘッド、
７・・・下部軸受筒、８・・・リアヘッド、９・・・シ
リンダ、１０・・・ローラ、４０・・・ゲランク軸、４
１・・・偏心軸部、４２・・・上部主軸、４３・・・下
部主軸、４５・・・第　　−１給油通路、４６〜４８・
・・第２給油通路、４９・・・オイルピックアップ、５
１．６２・・・圧抜孔。Fig. 1 is a sectional view of this embodiment, Fig. 2 is an enlarged plan view of the main parts, Fig. 3 is an enlarged front view of the same, Fig. 4 is an enlarged plan view showing the main parts of another embodiment, Fig. 5 6 is an enlarged front view of the same, and FIG. 6 is a sectional view showing a conventional example. 5... Upper bearing tube, 6.60... Front head,
7... Lower bearing tube, 8... Rear head, 9... Cylinder, 10... Roller, 40... Gerank shaft, 4
DESCRIPTION OF SYMBOLS 1... Eccentric shaft part, 42... Upper main shaft, 43... Lower main shaft, 45... -1st oil supply passage, 46-48.
...Second oil supply passage, 49...Oil pickup, 5
1.62...Pressure relief hole.

Claims

[Scope of utility model registration request]

A front head 6 with an upper bushing 5 and a lower bushing 7
A cylinder 9 is disposed between the roller head 8 and the roller head 8, and the eccentric shaft portion 41 of the crankshaft 40 and the roller 1 are inserted into the cylinder 9.
0 internally, the upper and lower main shafts 42 and 43 of the eccentric shaft portion 41 are supported by the respective bearing sleeves 5 and 6 7, and oil supply passages 45 to 48 are provided in the crankshaft 40,
In a rotary compressor in which lubricating oil is supplied to each bearing cylinder 5.7 and the roller 10, a lower end of the upper bearing cylinder 5 of the front head 6 is opened so as to be in constant communication with the inside of the roller 10, A rotary compressor characterized in that an upper end is provided with a pressure relief hole 51 that opens at the upper end surface of the upper bearing cylinder 5.