JPH01163490A - Rotary compressor - Google Patents
Rotary compressorInfo
- Publication number
- JPH01163490A JPH01163490A JP32036287A JP32036287A JPH01163490A JP H01163490 A JPH01163490 A JP H01163490A JP 32036287 A JP32036287 A JP 32036287A JP 32036287 A JP32036287 A JP 32036287A JP H01163490 A JPH01163490 A JP H01163490A
- Authority
- JP
- Japan
- Prior art keywords
- stator
- main bearing
- cylindrical container
- compression element
- container
- 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
Links
- 230000006835 compression Effects 0.000 claims abstract description 21
- 238000007906 compression Methods 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、冷凍装置、空気調和機などの使用される密
閉形の回転式圧縮機の製造方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method for manufacturing a hermetic rotary compressor used in refrigeration equipment, air conditioners, and the like.
一般にこの種9回転圧縮機において、圧縮要素部と電動
機の固定子を密閉容器内に収める際、−端が開放、他端
が閉塞されている円筒容器内に圧縮要素部の主軸受を尋
接し、上記固定子は焼嵌めEζよシ固定される。Generally, in this type of 9-turn compressor, when the compression element and the stator of the electric motor are housed in a closed container, the main bearing of the compression element is placed in a cylindrical container whose one end is open and the other end is closed. , the stator is fixed by shrink fitting Eζ.
第3図は例えば特願昭59−44548号公報に示され
た従来の回転式圧縮機の構造を示す断面図であシ、外被
容器(1a)、(Ib)内に収納さnた電動要素を構成
するステータ(2a)とロータ(2b) Eζよシフラ
ンク軸(3)を回転させ、ローリングピストン(4)を
、シリンダ(5)との間に形成された圧縮室(6)の容
積を減少させて吸入ガスを圧縮させる。ついで圧縮後の
高圧ガスは外被容器L’a)、(1b)内の空間(71
に放出されて、吐出管(8)t−経て外部に導出される
。FIG. 3 is a sectional view showing the structure of a conventional rotary compressor disclosed in, for example, Japanese Patent Application No. 59-44548. The stator (2a) and rotor (2b) that constitute the elements rotate the shift flank shaft (3) by Eζ to increase the volume of the compression chamber (6) formed between the rolling piston (4) and the cylinder (5). to compress the inhaled gas. The compressed high-pressure gas then enters the space (71) inside the envelope container L'a), (1b).
It is discharged to the outside through a discharge pipe (8).
次に上記に示された圧縮機の組立手順について説明する
。Next, a procedure for assembling the compressor shown above will be explained.
まず、外被容器(1a) t−熱し、あら力1じめ組立
てた圧縮要素部とステータ(2a)を同時挿入する。First, the envelope container (1a) is heated, and the previously assembled compression element portion and stator (2a) are simultaneously inserted.
この時、圧縮要素の主軸受(9)の外径と、外被容器(
1a)の内径とは一定のスキマをもたせている。At this time, the outer diameter of the main bearing (9) of the compression element and the outer envelope container (
A certain gap is provided between the inner diameter of 1a) and the inner diameter of 1a).
ステータ(2a)の外径と外被容器(1a)の内径とは
スキマがないように、一定のしまりしろをもたせている
。A certain margin is provided between the outer diameter of the stator (2a) and the inner diameter of the envelope container (1a) so that there is no gap.
ついで、熱したロータ(2b)をクランク軸(31に焼
嵌め挿入する。この時、ロータ(2b)の外径とステー
タ(2a)の内径との間Iζ均一のスキマを持たせる為
、スキマゲージをさし込む。次いで、外被容器(1a)
と圧縮要素部とを固定する為、主軸受(9)の位tCc
外被容器(1a)の外側からアークスポット容接シこて
固定する。そして、前記のスキマゲージを抜き、最後に
外被容器(1b)をかぶせ。Next, the heated rotor (2b) is inserted into the crankshaft (31) by shrink fitting.At this time, in order to have a uniform clearance between the outer diameter of the rotor (2b) and the inner diameter of the stator (2a), use a feeler gauge. Next, insert the outer container (1a).
In order to fix the compression element part and the main bearing (9) position tCc
Fix the arc spot with a trowel from the outside of the envelope container (1a). Then, remove the feeler gauge and finally cover with the outer container (1b).
外部容器(1a)、(1b)を気密的Iζ浴着固定する
。The external containers (1a) and (1b) are fixed in an airtight Iζ bath.
従来の回転式圧縮機は以上のように構成されているので
、外被容器と圧縮要素部とを固定する際アークスポット
溶接しなければならず、主軸受の歪みやロータの外径と
ステータの内径の間に均一のスキマを得られず、その結
果、圧縮機の性能。Conventional rotary compressors are constructed as described above, and arc spot welding is required when fixing the outer envelope and compression element. Unable to obtain uniform clearance between the inner diameters, resulting in poor performance of the compressor.
音lζ悪影響を及ぼすという問題点があった。There was a problem in that the sound lζ had an adverse effect.
この発明は、上記のような問題点を解消するためlζな
されたもので、ロータの外径とステータの内径との間に
均一のスキマを確保できるとともIζ主軸受の歪を減少
させ性能、音に悪影響をあたえない回転式圧縮機を得る
ことを目的としている。This invention was made to solve the above-mentioned problems, and it is possible to ensure a uniform clearance between the outer diameter of the rotor and the inner diameter of the stator, reduce distortion of the main bearing, and improve performance. The aim is to obtain a rotary compressor that does not adversely affect sound.
この発明Iζ係る回転式圧縮機は、ステータをあらかじ
め両端開放の円筒容器内Iζ焼嵌め固定するとともに、
ステータの内径部を基準として、前記容器内部の主軸受
支持部を加工し、この支持部に主軸受を支持固定したも
のである。In the rotary compressor according to the present invention, the stator is shrink-fitted in advance into a cylindrical container with both ends open, and
A main bearing support part inside the container is machined based on the inner diameter part of the stator, and the main bearing is supported and fixed to this support part.
この発明fζおける回転式圧縮機では9円筒容器内lζ
圧縮要素部をささえる主軸受を焼嵌めすることlζより
、主軸受の歪みを減少させ、ロータの外径とステータの
内径との間に均一のスキマを得や丁くすることができる
。In the rotary compressor in this invention fζ, 9 cylindrical containers lζ
By shrink-fitting the main bearing that supports the compression element, distortion of the main bearing can be reduced and a uniform clearance can be achieved between the outer diameter of the rotor and the inner diameter of the stator.
以下、この発明の一実施例を図について説明する。 An embodiment of the present invention will be described below with reference to the drawings.
第1図において、(1)は密閉容器で両端開放の円筒容
器(1C)とこの容器の両端に椀状の蓋(図示していな
い)を気密的に溶着固定して構成されている。(2)は
電動機要素で、ステータ(2a)およびロータ(2b)
からなっている。(3)はこのロータに固着されたクラ
ンク軸、(4)はこのクランク軸Cζよシシリンダ(5
)内を偏心回転するピストン、 +91.00は前記シ
リンダの両端を閉塞して内部に圧縮室を形成する主軸受
および端軸受で圧縮要素部(11)を構成している。In FIG. 1, (1) is an airtight container consisting of a cylindrical container (1C) with both ends open and a bowl-shaped lid (not shown) hermetically welded to both ends of this container. (2) are electric motor elements, including a stator (2a) and a rotor (2b).
It consists of (3) is a crankshaft fixed to this rotor, and (4) is a cylinder (5) connected to this crankshaft Cζ.
) The piston rotates eccentrically within the cylinder. +91.00 constitutes a compression element portion (11) with a main bearing and an end bearing that close both ends of the cylinder to form a compression chamber inside.
次Iζ圧縮機の組立要領について説明する。あら力)し
め熱した両端開放の円筒容器(1C)にステータ(2a
)を焼嵌め固定する。次にこのステータ(2a)の内径
面を基準iζ一定の同軸度を得るように1円筒容器(1
C)内部の主軸受支持部を機械加工する。つづいて、あ
らかじめ組立てたロータ(2b)および圧縮要素部αυ
を円筒容器(1C)の機械加工面と軸軸受(9)の外径
面を嵌合させ焼嵌め固定する。以下図示されていない蓋
で両端開放の円筒容器を閉鎖する。Next, the procedure for assembling the Iζ compressor will be explained. Place the stator (2a) in a heated cylindrical container (1C) with both ends open.
) are shrink-fitted and fixed. Next, one cylindrical container (1
C) Machining the internal main bearing support. Next, the pre-assembled rotor (2b) and compression element part αυ
The machined surface of the cylindrical container (1C) and the outer diameter surface of the shaft bearing (9) are fitted and fixed by shrink fitting. The cylindrical container, which is open at both ends, is then closed with a lid (not shown).
この発明による回転式圧縮機は以上のように構成されて
お夛、あらかじめステータ内径面と円筒容器内面との同
軸度を一定にするため、圧縮要素部を挿入した際、ロー
タ外径とステータ内径との間のスキマを容易に一定する
ことができる。The rotary compressor according to the present invention is constructed as described above, and in order to make the coaxiality between the inner diameter surface of the stator and the inner surface of the cylindrical container constant, when the compression element section is inserted, the outer diameter of the rotor and the inner diameter of the stator are fixed. The gap between the two can be easily fixed.
第2図はこの発明の他の実施例を示すもので。FIG. 2 shows another embodiment of the invention.
あらかじめ熱した両端開放の円筒容器(1c)にステー
タ(2a)とアタッチメントリングazを焼嵌め固定す
るとともIζステータ(2a)の内径面を基準に一定の
面角度を得るようにアタッチメントリングa3の軸直角
端面を機械加工する。次Iζあらかじめ組立てられた圧
縮要素部aυを前記アタッチメントリングの軸直角端面
に主軸受(9)lζて支持固定したもので、上記と同様
効果が得られる。The stator (2a) and the attachment ring az are shrink-fitted and fixed to a preheated cylindrical container (1c) with both ends open, and the axis of the attachment ring a3 is adjusted so as to obtain a constant surface angle based on the inner diameter surface of the Iζ stator (2a). Machining the right-angled end face. Next, the pre-assembled compression element part aυ is supported and fixed on the axis-perpendicular end face of the attachment ring by means of a main bearing (9) lζ, and the same effect as above can be obtained.
以上のように、この発明によnばあらかじめステータ内
径面と円筒容器内面との同軸度を一定にし、さらに圧縮
要素部を支える主軸受を支持固定するようCζしたから
、主軸受の歪み減少及びロータ外径とステータ内径との
間のスキマを容易に一定でき、性能、音Cζ悪影響を与
えない回転式圧縮機が得られる。As described above, according to the present invention, the coaxiality between the inner diameter surface of the stator and the inner surface of the cylindrical container is made constant, and the main bearing that supports the compression element is supported and fixed, so that distortion of the main bearing is reduced and A rotary compressor can be obtained in which the gap between the outer diameter of the rotor and the inner diameter of the stator can be easily fixed, and the performance and noise Cζ are not adversely affected.
第1図はこの発明の一実施例を示す回転式圧縮機の要部
分解断面図、第2図はこの発明の他の実施例を示す第1
図fζ相当する分解断面図、第3図は従来の回転式圧縮
機の断面図である。
(1)は外被容器、(1C)は円筒容器、 (2a)
はステータ、 (21))はロータ、(3)はクランク
軸、(41はピストン、(5)はシリンダ、(9)は主
軸受、α〔は端軸受。
αDは圧縮要素部である。
なお2図中同一符号は同一または相当部分を示す。FIG. 1 is an exploded cross-sectional view of a main part of a rotary compressor showing one embodiment of the present invention, and FIG. 2 is a first embodiment showing another embodiment of the invention.
FIG. 3 is an exploded cross-sectional view corresponding to Figure fζ, and FIG. 3 is a cross-sectional view of a conventional rotary compressor. (1) is an outer container, (1C) is a cylindrical container, (2a)
is the stator, (21) is the rotor, (3) is the crankshaft, (41 is the piston, (5) is the cylinder, (9) is the main bearing, α [ is the end bearing. αD is the compression element part. The same reference numerals in the two figures indicate the same or corresponding parts.
Claims (1)
端軸受とで囲まれた圧縮室内に,上記主軸受および端軸
受に軸支されたクランク軸をロータとステータによる電
動機によつて偏心回転するピストンを配設し,このピス
トンの外周に常時当接し上記圧縮室を高圧側と低圧側に
区分するベーンをシリンダに取付けた圧縮要素を備え,
この圧縮要素を密閉容器内に収納した回転式圧縮機にお
いて,上記電動機のステータをあらかじめ両端開放の円
筒容器内に焼嵌め固定し,前記ステータの内径部を基準
として,該容器内部の主軸受支持部を機械加工し,この
支持部に主軸受を支持固定したことを特徴とする回転式
圧縮機。In a compression chamber surrounded by a cylinder and a main bearing and an end bearing that close both ends of the cylinder, a piston is mounted which eccentrically rotates a crankshaft supported by the main bearing and the end bearing by an electric motor consisting of a rotor and a stator. A compression element is provided in which a vane is attached to the cylinder and is in constant contact with the outer periphery of the piston and divides the compression chamber into a high pressure side and a low pressure side,
In a rotary compressor in which this compression element is housed in a closed container, the stator of the electric motor is shrink-fitted and fixed in advance into a cylindrical container with both ends open, and the main bearing is supported inside the container with the inner diameter of the stator as a reference. A rotary compressor characterized by having a machined part and a main bearing supported and fixed to this support part.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32036287A JPH01163490A (en) | 1987-12-18 | 1987-12-18 | Rotary compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32036287A JPH01163490A (en) | 1987-12-18 | 1987-12-18 | Rotary compressor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01163490A true JPH01163490A (en) | 1989-06-27 |
Family
ID=18120629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP32036287A Pending JPH01163490A (en) | 1987-12-18 | 1987-12-18 | Rotary compressor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01163490A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008207175A (en) * | 2007-02-01 | 2008-09-11 | Mrc Home Products Kk | Water purifier |
JP4782792B2 (en) * | 2004-10-13 | 2011-09-28 | ブリタ ゲーエムベーハー | Filtration cartridge and seat member for filtration cartridge |
-
1987
- 1987-12-18 JP JP32036287A patent/JPH01163490A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4782792B2 (en) * | 2004-10-13 | 2011-09-28 | ブリタ ゲーエムベーハー | Filtration cartridge and seat member for filtration cartridge |
JP2008207175A (en) * | 2007-02-01 | 2008-09-11 | Mrc Home Products Kk | Water purifier |
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