JPH023090U - - Google Patents

Info

Publication number
JPH023090U
JPH023090U JP8136388U JP8136388U JPH023090U JP H023090 U JPH023090 U JP H023090U JP 8136388 U JP8136388 U JP 8136388U JP 8136388 U JP8136388 U JP 8136388U JP H023090 U JPH023090 U JP H023090U
Authority
JP
Japan
Prior art keywords
scroll
casing
wrap portion
fixed
orbiting scroll
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8136388U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP8136388U priority Critical patent/JPH023090U/ja
Publication of JPH023090U publication Critical patent/JPH023090U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Rotary Pumps (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の実施例に係るスクロール式真
空ポンプの縦断面図、第２図は第１図中の要部拡
大図、第３図は固定スクロールに対する補助クラ
ンクの変位方向を示す説明図である。 １……ケーシング、２……固定スクロール、２
Ａ……鏡板、２Ｂ……ラツプ部、５……駆動軸、
８……旋回スクロール、８Ａ……鏡板、８Ｂ……
ラツプ部、１１……補助クランク。 Fig. 1 is a vertical cross-sectional view of a scroll vacuum pump according to an embodiment of the present invention, Fig. 2 is an enlarged view of the main part in Fig. 1, and Fig. 3 is an explanatory diagram showing the direction of displacement of the auxiliary crank with respect to the fixed scroll. It is. 1...Casing, 2...Fixed scroll, 2
A... End plate, 2B... Wrap part, 5... Drive shaft,
8...Orbiting scroll, 8A...End plate, 8B...
Lap part, 11...Auxiliary crank.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ケーシングと、該ケーシングに固着され、鏡板
にうず巻状のラツプ部が立設された固定スクロー
ルと、前記ケーシングに回転可能に支持され、該
ケーシング内の先端側がクランク軸になつた駆動
軸と、該駆動軸のクランク軸に旋回軸受を介して
回転自在に設けられ、前記固定スクロールのラツ
プ部と重なり合つて旋回する間に密閉空間を形成
するように鏡板にうず巻状のラツプ部が立設され
た旋回スクロールと、軸方向両端側が該旋回スク
ロール及び固定スクロールの各鏡板にそれぞれ連
結され、該旋回スクロールの自転を防止するよう
になつた補助クランクとを備えた無給油式スクロ
ール流体機械において、前記補助クランクを前記
旋回スクロールの熱膨張に応じて前記固定スクロ
ールの径方向に変位可能なように構成したことを
特徴とする無給油式スクロール流体機械。 a casing, a fixed scroll fixed to the casing and having a spiral wrap portion erected on an end plate; a drive shaft rotatably supported by the casing and having a front end inside the casing serving as a crankshaft; A spiral wrap portion is rotatably provided on the crankshaft of the drive shaft via a swing bearing, and a spiral wrap portion is provided on the end plate so as to overlap the wrap portion of the fixed scroll and form a sealed space while rotating. An oil-free scroll fluid machine equipped with an orbiting scroll and an auxiliary crank whose axially opposite end sides are respectively connected to end plates of the orbiting scroll and the fixed scroll to prevent rotation of the orbiting scroll, An oil-free scroll fluid machine, characterized in that the auxiliary crank is configured to be displaceable in the radial direction of the fixed scroll in response to thermal expansion of the orbiting scroll.
JP8136388U 1988-06-20 1988-06-20 Pending JPH023090U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8136388U JPH023090U (en) 1988-06-20 1988-06-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8136388U JPH023090U (en) 1988-06-20 1988-06-20

Publications (1)

Publication Number Publication Date
JPH023090U true JPH023090U (en) 1990-01-10

Family

ID=31306148

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8136388U Pending JPH023090U (en) 1988-06-20 1988-06-20

Country Status (1)

Country Link
JP (1) JPH023090U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH051503A (en) * 1991-06-20 1993-01-08 Tokico Ltd Scroll type fluid machine
WO2015122111A1 (en) * 2014-02-17 2015-08-20 三菱重工業株式会社 Scroll compressor
JPWO2021100141A1 (en) * 2019-11-20 2021-05-27

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61175201A (en) * 1985-01-29 1986-08-06 Shin Meiwa Ind Co Ltd Scroll type fluid machine
JPS6278494A (en) * 1985-10-02 1987-04-10 Hitachi Ltd Scroll type fluid machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61175201A (en) * 1985-01-29 1986-08-06 Shin Meiwa Ind Co Ltd Scroll type fluid machine
JPS6278494A (en) * 1985-10-02 1987-04-10 Hitachi Ltd Scroll type fluid machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH051503A (en) * 1991-06-20 1993-01-08 Tokico Ltd Scroll type fluid machine
WO2015122111A1 (en) * 2014-02-17 2015-08-20 三菱重工業株式会社 Scroll compressor
JPWO2021100141A1 (en) * 2019-11-20 2021-05-27
WO2021100141A1 (en) * 2019-11-20 2021-05-27 三菱電機株式会社 Scroll compressor and refrigeration cycle device

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