JPH0382888U

JPH0382888U -

Info

Publication number: JPH0382888U
Application number: JP14300589U
Authority: JP
Priority date: 1989-12-11
Filing date: 1989-12-11
Publication date: 1991-08-23

Description

[Brief explanation of drawings]

第１〜３図は本考案を具体化した一実施例を示
すものであつて、第１図はブツシユと偏心軸との
関係を示す正面図、第２図は溝の形状を示す図、
第３図は要部断面図、第４図は変更例の第１図に
対応する図、第５図は同じく第２図に対応する図
、第６図は従来装置の断面図、第７図は第６図の
−線断面図である。フロントハウジング１、吸入室１ｂ、リヤハウ
ジング２、偏心軸５、ブツシユ７、可動スクロー
ル９、固定スクロール１０、基端壁９ａ，１０ａ
、渦巻部９ｂ，１０ｂ、吐出室１４、止め輪１６
、溝１７、通路１７，１８、空間Ｓ、密閉空間Ｐ
。 1 to 3 show an embodiment embodying the present invention, in which FIG. 1 is a front view showing the relationship between the bushing and the eccentric shaft, FIG. 2 is a diagram showing the shape of the groove,
Fig. 3 is a sectional view of the main part, Fig. 4 is a view corresponding to Fig. 1 of the modified example, Fig. 5 is a view also corresponding to Fig. 2, Fig. 6 is a sectional view of the conventional device, and Fig. 7 6 is a sectional view taken along the line -- in FIG. Front housing 1, suction chamber 1b, rear housing 2, eccentric shaft 5, bush 7, movable scroll 9, fixed scroll 10, base end walls 9a, 10a
, spiral portions 9b, 10b, discharge chamber 14, retaining ring 16
, groove 17, passages 17, 18, space S, sealed space P
.

Claims

[Scope of utility model registration request]

A fixed scroll is housed in a housing, an eccentric shaft is provided protruding from a rotary shaft rotatably supported by the housing, and a bush rotatably inserted into the eccentric shaft is rotatable relative to the fixed scroll. Eccentric shaft lubrication for a scroll compressor in which a movable scroll that is supported irreversibly is rotatably fitted, and a groove is provided on at least one of the sliding surfaces of the eccentric shaft and the bush that communicates with the spaces existing at both ends of the bush. structure.