JPS63147583U

JPS63147583U -

Info

Publication number: JPS63147583U
Application number: JP3966887U
Authority: JP
Priority date: 1987-03-18
Filing date: 1987-03-18
Publication date: 1988-09-28

Description

[Brief explanation of the drawing]

図面は本考案の一実施例を示し、第１図はスク
ロール流体装置の縦断面図、第２図はオルダム機
構の分解斜視図、第３図は同側面断面図、第４図
は同要部の拡大断面図、第５図ａ，ｂ，ｃ，ｄは
スクロール機構の動作を示す図である。１……スクロール流体装置、７……固定スクロ
ール、８……公転スクロール、９……電動機、１
０……クランク軸、１８……密閉室、２１……固
定フレーム、３１……オルダム機構、３２……オ
ルダム継手、３２ａ……リング、３２ｂ……スク
ロールキー、３２ｃ……フレームキー、３３……
カウンタ部材、３３ａ……リング、３３ｂ……キ
ー、３４，３６……キー溝、３７……蓋体、３８
……封入液。 The drawings show one embodiment of the present invention, in which Fig. 1 is a longitudinal sectional view of a scroll fluid device, Fig. 2 is an exploded perspective view of the Oldham mechanism, Fig. 3 is a side sectional view of the same, and Fig. 4 is the main part of the same. The enlarged sectional views of FIGS. 5a, b, c, and d are diagrams showing the operation of the scroll mechanism. 1...Scroll fluid device, 7...Fixed scroll, 8...Revolving scroll, 9...Electric motor, 1
0... Crankshaft, 18... Sealed chamber, 21... Fixed frame, 31... Oldham mechanism, 32... Oldham joint, 32a... Ring, 32b... Scroll key, 32c... Frame key, 33...
Counter member, 33a...Ring, 33b...Key, 34, 36...Keyway, 37...Lid, 38
...Filled liquid.

Claims

[Scope of utility model registration request]

In a scroll fluid system in which a fixed scroll 7 and a revolving scroll 8 are disposed in parallel in mesh with each other, and a rotary shaft 10 is connected to the rear surface of an end plate 12 of the revolving scroll 8 eccentrically from the center of the revolving scroll, the rotary shaft 10 A fixed frame 21 in which a
An Oldham joint 32 in which a scroll key 32b and a frame key 32c are protruded in the shape of a cross is interposed between a ring 32a into which the rotating shaft 10 is inserted, and a key groove into which each of the keys 32b and 32c is fitted. 34
, 36 are formed in the revolving scroll end plate 12 and the fixed frame 21, while the ring 32a
and a ring 33a corresponding to the frame key 32c.
A counter member 33 from which a pair of keys 33b are protruded is provided in contact with the Oldham joint 32,
The key 33b of the counter member 33 is fitted into the key groove 36 of the fixed frame 21, and the key 33b of the counter member 33 is fitted into the key groove 36 of the fixed frame 21.
is sealed with the lid body 37 and the sealed liquid 3 is inside the key groove 36.
8 is enclosed, and the rotation of the rotating shaft 10 causes the Oldham joint 32 to reciprocate in the direction of the frame key 32c, and the counter member 33 to reciprocate in the opposite direction with respect to the Oldham joint 32.