JPH05133358A - Horizontal scroll compressor - Google Patents

Horizontal scroll compressor

Info

Publication number
JPH05133358A
JPH05133358A JP31866891A JP31866891A JPH05133358A JP H05133358 A JPH05133358 A JP H05133358A JP 31866891 A JP31866891 A JP 31866891A JP 31866891 A JP31866891 A JP 31866891A JP H05133358 A JPH05133358 A JP H05133358A
Authority
JP
Japan
Prior art keywords
shaft
centrifugal pump
hole
scroll
end plate
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.)
Withdrawn
Application number
JP31866891A
Other languages
Japanese (ja)
Inventor
Hiroyuki Kobayashi
寛之 小林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP31866891A priority Critical patent/JPH05133358A/en
Publication of JPH05133358A publication Critical patent/JPH05133358A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/025—Lubrication; Lubricant separation using a lubricant pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary Pumps (AREA)

Abstract

PURPOSE:To attain sufficient supply of oil to a lubrication part by making rotational turning motion of a turning scroll, rotating a centrifugal pump shaft about its shaft center through an eccentric shaft part, so that accumulated lubricating oil is fed to a supply oil passage via a pump hole. CONSTITUTION:A centrifugal pump shaft 110 of parallelly extending a main shaft is rotatably supported to a lower part of a frame 6. An eccentric shaft part 110a formed in one end of this centrifugal pump shaft 110 is turnably fitted into a hole 120 drilled in an end plate 21 of a turning scroll. One end of a pump hole 132 inserted through these centrifugal pump shaft 110 and eccentric shaft part 110a is opened to lubricating oil 81, accumulated in the bottom part of a closed housing, through a suction port 131. The other end is connected to a supply oil passage 134 provided in the end plate 21, and the centrifugal pump shaft 110 is rotated by utilizing turning motion of the turning scroll. In this way, sufficient oil can be supplied to a lubrication part.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は横型スクロール圧縮機に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a horizontal scroll compressor.

【０００２】[0002]

【従来の技術】図５には従来の竪型スクロール圧縮機の
１例が示されている。密閉ハウジング８の内部にはその
上部にスクロール圧縮機構Ｃが、下部にはモータＭが収
容され、これらはメインシヤフト５を介して連動連結さ
れている。スクロール圧縮機構Ｃは固定スクロール１、
旋回スクロール２、旋回スクロール２の公転旋回運動を
許容するが、その自転を阻止するオルダムリンク等の自
転阻止機構３、固定スクロール１及びモータＭが締結さ
れるフレーム６、メインシヤフト５を軸支する上部軸受
71及び下部軸受72、旋回スクロール２を支持する旋回軸
受73及びスラスト軸受74等からなる。2. Description of the Related Art FIG. 5 shows an example of a conventional vertical scroll compressor. Inside the hermetic housing 8, a scroll compression mechanism C is housed in the upper part thereof, and a motor M is housed in the lower part thereof, which are interlockingly connected via a main shaft 5. The scroll compression mechanism C is a fixed scroll 1,
An orbiting scroll 2, an orbiting motion of the orbiting scroll 2 is permitted, but a rotation preventing mechanism 3 such as an Oldham link for preventing its rotation, a fixed scroll 1, a frame 6 to which the motor M is fastened, and a main shaft 5 are pivotally supported. Upper bearing
71 and a lower bearing 72, an orbiting bearing 73 that supports the orbiting scroll 2, a thrust bearing 74, and the like.

【０００３】固定スクロール１は端板11とその内面に立
設されたうず巻状ラップ12とを備え、この端板11には吐
出ポート13及びこれを開閉する吐出弁17が設けられてい
る。旋回スクロール２は端板12は端板21とこの内面に立
設されたうず巻状ラップ22とを備え、この端板21の外面
に立設されたボス23内にはドライブブッシュ25が旋回軸
受73を介して回転自在に嵌装されている。このドライブ
ブッシュ25に穿設された偏心孔内にはメインシヤフト５
の上端から突出する偏心ピン53が回転自在に嵌合されて
いる。そして、この偏心ピン53にはバランスウエイト84
が取り付けられている。固定スクロール１と旋回スクロ
ール２とを相互に公転旋回半径だけ偏心させ、かつ、 1
80°だけ角度をずらせて噛み合わせることによって複数
個の密閉空間24が形成されている。The fixed scroll 1 is provided with an end plate 11 and a spiral wrap 12 erected on the inner surface of the end plate 11. The end plate 11 is provided with a discharge port 13 and a discharge valve 17 for opening and closing the discharge port 13. In the orbiting scroll 2, the end plate 12 is provided with an end plate 21 and a spiral wrap 22 erected on the inner surface of the end plate 21, and a drive bush 25 is housed in a boss 23 erected on the outer surface of the end plate 21. It is rotatably fitted through 73. The main shaft 5 is installed in the eccentric hole formed in the drive bush 25.
An eccentric pin 53 protruding from the upper end of is rotatably fitted. The balance weight 84 is attached to the eccentric pin 53.
Is attached. The fixed scroll 1 and the orbiting scroll 2 are eccentric to each other by an orbiting radius, and 1
A plurality of closed spaces 24 are formed by shifting the angles by 80 ° and engaging with each other.

【０００４】モータＭを駆動することによってメインシ
ヤフト５、偏心ピン53、ドライブブッシュ25、ボス23を
介して旋回スクロール２が駆動され、旋回スクロール２
は自転阻止機構３によって自転を阻止されながら公転旋
回半径の円軌道上を公転旋回運動する。すると、ガスが
吸入管82を経て密閉ハウジング８内に入り、モータＭを
冷却した後、フレーム６に穿設された通路85を通り、吸
入通路15及び吸入室16を経て密閉空間24内に吸入され
る。そして、旋回スクロール２の公転旋回運動により密
閉空間24の容積が減少するのに伴って圧縮されながら中
央部に至り、吐出ポート13から吐出弁17を押し開いて吐
出キャビティ14に入り、更に、吐出管83を経て外部に吐
出される。これと同時に、密閉ハウジング８内底部に貯
溜された潤滑油18はメインシヤフト５内下部に設けられ
た遠心ポンプ51によって吸い上げられ、給油孔52を通っ
て下部軸受72、偏心ピン53、上部軸受71、自転阻止機構
３、旋回軸受73、スラスト軸受74等を潤滑した後、室6
1、排油孔62を経て排出されて密閉ハウジング８の底部
に貯溜される。By driving the motor M, the orbiting scroll 2 is driven via the main shaft 5, the eccentric pin 53, the drive bush 25, and the boss 23, and the orbiting scroll 2 is driven.
Is revolved on a circular orbit having a revolution revolving radius while being prevented from rotating by the rotation preventing mechanism 3. Then, the gas enters the closed housing 8 through the suction pipe 82, cools the motor M, then passes through the passage 85 formed in the frame 6, and is sucked into the closed space 24 through the suction passage 15 and the suction chamber 16. To be done. Then, as the volume of the closed space 24 decreases due to the orbiting motion of the orbiting scroll 2, the compressed space reaches the center while being compressed, and the discharge valve 17 is pushed open from the discharge port 13 into the discharge cavity 14 and further discharged. It is discharged to the outside through the pipe 83. At the same time, the lubricating oil 18 stored in the bottom of the closed housing 8 is sucked up by the centrifugal pump 51 provided in the lower portion of the main shaft 5, and passes through the oil supply hole 52 to form the lower bearing 72, the eccentric pin 53, and the upper bearing 71. After lubricating the rotation prevention mechanism 3, slewing bearing 73, thrust bearing 74, etc., the chamber 6
1. The oil is discharged through the oil drain hole 62 and stored in the bottom portion of the closed housing 8.

【０００５】[0005]

【発明が解決しようとする課題】上記スクロール圧縮機
を横置型にすると、メインシヤフト５内下部に設けられ
た遠心ポンプ51を潤滑油81中に浸漬することができない
ため、この遠心ポンプ51によっては偏心ピン53、上部軸
受71、下部軸受72、旋回軸受73等へ給油することができ
なくなるという問題があった。When the scroll compressor is of the horizontal type, the centrifugal pump 51 provided in the lower part of the main shaft 5 cannot be immersed in the lubricating oil 81. Therefore, depending on the centrifugal pump 51, There is a problem that it becomes impossible to supply oil to the eccentric pin 53, the upper bearing 71, the lower bearing 72, the slewing bearing 73, and the like.

【０００６】[0006]

【課題を解決するための手段】本発明は上記課題を解決
するために発明されたものであって、その要旨とすると
ころは、横長の筒状密閉ハウジング内に収容されたスク
ロール圧縮機構とこれを駆動するモータとをほぼ水平に
伸びるメインシヤフトを介して連動連結するとともに上
記ハウジング内底部に潤滑油を充填してなる横型スクロ
ール圧縮機において、上記スクロール圧縮機構の旋回ス
クロールの端板と隣接する固定部材の下部に上記メイン
シヤフトと平行に伸びる遠心ポンプ軸をその軸芯まわり
に回転自在に支持するとともに上記遠心ポンプ軸の一端
に形成された偏心軸部を上記端板に穿設された穴内に回
動自在に嵌挿し、かつ、上記遠心ポンプ軸及び偏心軸部
にこれを軸方向に貫通し、一端が上記潤滑油中に開口し
他端が上記端板に設けられた給油通路に連なるポンプ穴
を設けたことを特徴とする横型スクロール圧縮機にあ
る。SUMMARY OF THE INVENTION The present invention has been invented to solve the above problems, and its gist is to provide a scroll compression mechanism housed in a horizontally elongated cylindrical hermetic housing and a scroll compression mechanism. In a horizontal scroll compressor in which a motor for driving the above is interlockingly connected through a main shaft extending substantially horizontally, and the inner bottom portion of the housing is filled with lubricating oil, the horizontal scroll compressor is adjacent to the end plate of the orbiting scroll of the scroll compression mechanism. A centrifugal pump shaft extending parallel to the main shaft is rotatably supported below the fixing member, and an eccentric shaft portion formed at one end of the centrifugal pump shaft is provided in a hole formed in the end plate. Rotatably fitted to the centrifugal pump shaft and penetrates the centrifugal pump shaft and the eccentric shaft portion in the axial direction, one end of which is opened in the lubricating oil and the other end of which is the end plate. In horizontal scroll compressor, characterized in that a pump hole communicating with the oil supply passage kicked.

【０００７】[0007]

【作用】本発明においては、上記構成を具えているた
め、旋回スクロールが公転旋回運動すると、その穴に嵌
合する偏心軸部を介して遠心ポンプ軸がその軸芯まわり
に回転し、これに伴って、密閉ハウジング内底部に貯溜
された潤滑油がポンプ穴を経て給油通路に送給される。According to the present invention, since the orbiting scroll revolves around the axis, the centrifugal pump shaft rotates about its axis through the eccentric shaft portion fitted in the hole of the orbiting scroll. Along with this, the lubricating oil stored in the inner bottom portion of the closed housing is sent to the oil supply passage through the pump hole.

【０００８】[0008]

【実施例】本発明の１実施例が図１及び図２に示されて
いる。図１及び図２に示すように、旋回スクロール２の
端板21の外面には密閉ハウジング８の底部に接近した位
置に断面円形の穴120 が設けられ、この穴120 内には遠
心ポンプ軸110 の一端に形成された偏心軸部110aが回動
自在に嵌挿されている。この遠心ポンプ軸110 の円筒部
110bはメインシヤフト５と平行に伸びフレーム６に穿設
された孔101 内に嵌合されてその軸芯まわりに回転自在
に支持されている。そして、遠心ポンプ軸110 及び偏心
軸部110aにはこれを軸方向に貫通するポンプ穴132 が穿
設され、このポンプ穴132 の一端はフレーム６に穿設さ
れた小径の吸入口131 を介して潤滑油81中に開口し、他
端は室133 を介して端板21に穿設された給油通路134 に
連通している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT One embodiment of the present invention is shown in FIGS. As shown in FIGS. 1 and 2, a hole 120 having a circular cross section is provided on the outer surface of the end plate 21 of the orbiting scroll 2 at a position close to the bottom of the hermetic housing 8, and the centrifugal pump shaft 110 is provided in the hole 120. An eccentric shaft portion 110a formed at one end of is rotatably fitted. The cylindrical part of this centrifugal pump shaft 110
110b extends parallel to the main shaft 5 and is fitted in a hole 101 formed in the frame 6 so as to be rotatably supported around its axis. A pump hole 132 is formed in the centrifugal pump shaft 110 and the eccentric shaft portion 110a so as to penetrate the centrifugal pump shaft 110 and the eccentric shaft portion 110a in the axial direction. One end of the pump hole 132 is inserted through a small-diameter suction port 131 formed in the frame 6. It opens into the lubricating oil 81, and the other end communicates with the oil supply passage 134 formed in the end plate 21 through the chamber 133.

【０００９】しかして、このスクロール圧縮機の運転
時、旋回スクロール２がメインシヤフト５の中心まわり
に公転旋回半径ρを半径とする円軌道上を公転旋回運動
すると、穴120 の中心Ｏ2 は遠心ポンプ軸110 の中心Ｏ
1 を中心として公転旋回半径ρを半径とする円軌道上を
公転旋回するので、遠心ポンプ軸110 は旋回スクロール
２の穴120 、偏心軸部110aを介して駆動され、その中心
Ｏ1 まわりに回転する。During operation of this scroll compressor, however, when the orbiting scroll 2 revolves around a center of the main shaft 5 on a circular orbit having a radius of revolution revolution ρ, the center O 2 of the hole 120 is centrifugally moved. Center O of pump shaft 110
Since it revolves around a circular orbit having a radius of revolution revolution radius ρ about 1 , the centrifugal pump shaft 110 is driven through the hole 120 of the orbiting scroll 2 and the eccentric shaft portion 110a, and rotates about its center O 1. To do.

【００１０】遠心ポンプ軸110 が回転すると、吸入口13
1 の径はポンプ穴132 の径より小さいので、吸入口131
からポンプ穴132 内に入った潤滑油はこれに作用する遠
心力によりポンプ穴132の周壁に押し付けられることに
よりポンプ作用を受ける。かくして、潤滑油81は室133
、給油通路134 、52を通り、軸受71、72、73、74、偏
心ピン53等の潤滑個所に送られる。他の構成、作用は従
来例と同様であり、対応する部材には同じ符号を付して
その説明を省略する。When the centrifugal pump shaft 110 rotates, the suction port 13
The diameter of 1 is smaller than the diameter of the pump hole 132, so the suction port 131
The lubricating oil that has entered the pump hole 132 from is pumped by being pressed against the peripheral wall of the pump hole 132 by the centrifugal force acting on the lubricating oil. Thus, lubricating oil 81
Then, the oil passes through the oil supply passages 134 and 52 and is sent to lubrication points such as the bearings 71, 72, 73 and 74 and the eccentric pin 53. Other configurations and operations are similar to those of the conventional example, and corresponding members are designated by the same reference numerals and the description thereof is omitted.

【００１１】なお、図３に示すように、ポンプ穴132 は
遠心ポンプ軸110 の軸芯から偏心させて設けることがで
き、また、図４に示すように、吸入口131 を遠心ポンプ
軸110 に形成しても良い。更に、遠心ポンプ軸110 の偏
心軸部110aの径を円筒部110bの径より小さくすることも
できる。As shown in FIG. 3, the pump hole 132 can be provided eccentrically from the axis of the centrifugal pump shaft 110, and as shown in FIG. 4, the suction port 131 is provided in the centrifugal pump shaft 110. You may form. Further, the diameter of the eccentric shaft portion 110a of the centrifugal pump shaft 110 can be made smaller than the diameter of the cylindrical portion 110b.

【００１２】[0012]

【発明の効果】本発明においては、旋回スクロールが公
転旋回運動すると、その穴に嵌合する偏心軸部を介して
遠心ポンプ軸がその軸芯まわりに回転し、密閉ハウジン
グ内底部に貯溜された潤滑油がポンプ穴を経て給油通路
に送給される。従って、スクロール圧縮機構の潤滑個所
に十分な給油を行うことができる。また、構成が簡単で
あるため、安価で信頼性が高い給油装置が得られる。According to the present invention, when the orbiting scroll orbits, the centrifugal pump shaft rotates about its axis through the eccentric shaft part fitted in the hole, and is stored in the bottom of the closed housing. Lubricating oil is supplied to the oil supply passage through the pump hole. Therefore, sufficient lubrication can be provided to the lubricated parts of the scroll compression mechanism. Further, since the structure is simple, an inexpensive and highly reliable oil supply device can be obtained.

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明の１実施例の要部を示し、(A) は断面
図、(B) は(A) のＢ−Ｂ矢に沿う断面図である。FIG. 1 shows a main part of one embodiment of the present invention, (A) is a sectional view, and (B) is a sectional view taken along the line BB of (A).

【図２】上記実施例の全体構成図を示す縦断面図であ
る。FIG. 2 is a vertical sectional view showing an overall configuration diagram of the above embodiment.

【図３】本発明の他の実施例を示す要部の断面図であ
る。FIG. 3 is a cross-sectional view of an essential part showing another embodiment of the present invention.

【図４】本発明の更に他の実施例を示す要部の断面図で
ある。FIG. 4 is a sectional view of an essential part showing still another embodiment of the present invention.

【図５】従来の竪型スクロール圧縮機の縦断面図であ
る。FIG. 5 is a vertical sectional view of a conventional vertical scroll compressor.

【符号の説明】[Explanation of symbols]

６ 固定部材 21 旋回スクロールの端板 110 遠心ポンプ軸 110a 偏心軸部 110b 円筒部 120 穴 131 吸入口 132 ポンプ穴 134 給油通路 6 Fixing member 21 End plate of orbiting scroll 110 Centrifugal pump shaft 110a Eccentric shaft part 110b Cylindrical part 120 hole 131 Suction port 132 Pump hole 134 Oil supply passage

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】 横長の筒状密閉ハウジング内に収容され
たスクロール圧縮機構とこれを駆動するモータとをほぼ
水平に伸びるメインシヤフトを介して連動連結するとと
もに上記ハウジング内底部に潤滑油を充填してなる横型
スクロール圧縮機において、上記スクロール圧縮機構の
旋回スクロールの端板と隣接する固定部材の下部に上記
メインシヤフトと平行に伸びる遠心ポンプ軸をその軸芯
まわりに回転自在に支持するとともに上記遠心ポンプ軸
の一端に形成された偏心軸部を上記端板に穿設された穴
内に回動自在に嵌挿し、かつ、上記遠心ポンプ軸及び偏
心軸部にこれを軸方向に貫通し、一端が上記潤滑油中に
開口し他端が上記端板に設けられた給油通路に連なるポ
ンプ穴を設けたことを特徴とする横型スクロール圧縮
機。1. A scroll compression mechanism housed in a horizontally long cylindrical hermetic housing and a motor for driving the scroll compression mechanism are interlockingly connected via a main shaft extending substantially horizontally, and the inner bottom portion of the housing is filled with lubricating oil. In the horizontal scroll compressor, the centrifugal pump shaft extending parallel to the main shaft is rotatably supported around the lower shaft of the fixed member adjacent to the end plate of the orbiting scroll of the scroll compression mechanism, and the centrifugal shaft is rotated. An eccentric shaft portion formed at one end of the pump shaft is rotatably fitted into a hole formed in the end plate, and the centrifugal pump shaft and the eccentric shaft portion are axially penetrated therethrough, and one end is A horizontal scroll compressor, characterized in that a pump hole is provided in the lubricating oil, the other end of which is connected to an oil supply passage provided in the end plate.
JP31866891A 1991-11-07 1991-11-07 Horizontal scroll compressor Withdrawn JPH05133358A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP31866891A JPH05133358A (en) 1991-11-07 1991-11-07 Horizontal scroll compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31866891A JPH05133358A (en) 1991-11-07 1991-11-07 Horizontal scroll compressor

Publications (1)

Publication Number Publication Date
JPH05133358A true JPH05133358A (en) 1993-05-28

Family

ID=18101703

Family Applications (1)

Application Number Title Priority Date Filing Date
JP31866891A Withdrawn JPH05133358A (en) 1991-11-07 1991-11-07 Horizontal scroll compressor

Country Status (1)

Country Link
JP (1) JPH05133358A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6152714A (en) * 1996-09-20 2000-11-28 Hitachi, Ltd. Displacement type fluid machine having rotation suppression of an orbiting displacer
US6210137B1 (en) * 1998-12-28 2001-04-03 Tokico Ltd. Scroll fluid machine
CN102052323A (en) * 2009-11-09 2011-05-11 上海三电贝洱汽车空调有限公司 Vortex type compressor with improved lubrication structure
CN103375400A (en) * 2012-04-12 2013-10-30 艾默生环境优化技术(苏州)有限公司 Rotor pump and rotary machine including the same
US9562530B2 (en) 2012-04-12 2017-02-07 Emerson Climate Technologies (Suzhou) Co., Ltd. Rotor pump and rotary machinery comprising the same, the rotor pump including a pump body forming an accommodation cavity, a pump wheel rotating in the accommodation cavity and a sealing plate having an eccentric hole that is eccentric relative to a rotation axis of the pump wheel, where a shaft portion of the pump wheel is rotatably fitted in the eccentric hole

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6152714A (en) * 1996-09-20 2000-11-28 Hitachi, Ltd. Displacement type fluid machine having rotation suppression of an orbiting displacer
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US9562530B2 (en) 2012-04-12 2017-02-07 Emerson Climate Technologies (Suzhou) Co., Ltd. Rotor pump and rotary machinery comprising the same, the rotor pump including a pump body forming an accommodation cavity, a pump wheel rotating in the accommodation cavity and a sealing plate having an eccentric hole that is eccentric relative to a rotation axis of the pump wheel, where a shaft portion of the pump wheel is rotatably fitted in the eccentric hole

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