JPH05157086A - Rotary compressor - Google Patents
Rotary compressorInfo
- Publication number
- JPH05157086A JPH05157086A JP3317973A JP31797391A JPH05157086A JP H05157086 A JPH05157086 A JP H05157086A JP 3317973 A JP3317973 A JP 3317973A JP 31797391 A JP31797391 A JP 31797391A JP H05157086 A JPH05157086 A JP H05157086A
- Authority
- JP
- Japan
- Prior art keywords
- cover
- upper bearing
- discharge muffler
- rotary compressor
- discharge
- 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- Withdrawn
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は冷凍・空調装置に用いら
れるロータリ圧縮機に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary compressor used in a refrigeration / air conditioning system.
【０００２】[0002]
【従来の技術】図３は従来のローリングピストン型圧縮
機の縦断面図、図４は同圧縮機の横断面図（Ａ−Ａ断
面）である。ハウジング１内にはモータステータ２ａと
モータロータ２ｂよりなるモータ２と、このモータ２に
よって駆動される圧縮機構部３が収容されている。シャ
フト４がモータ２によって回転駆動されるとシャフト４
のクランクピン５に嵌合されたロータ６がシリンダ７内
を扁心回転し、これに伴ってシリンダ７、ロータ６、上
部軸受８、下部軸受９、ブレード１０によって限界され
る吸入室１１（図４）内に吸入管１２より吸入ガスが吸
入され圧縮される。圧縮されたガスは圧縮室１４より吐
出ポート切欠き１５ａ、吐出ポート１５、吐出弁２０、
吐出マフラ１３を経てハウジング１内に吐出され次いで
吐出管１６よりハウジング１の外に吐出される。2. Description of the Related Art FIG. 3 is a vertical sectional view of a conventional rolling piston type compressor, and FIG. 4 is a horizontal sectional view (section AA) of the same compressor. A motor 2 including a motor stator 2a and a motor rotor 2b, and a compression mechanism portion 3 driven by the motor 2 are housed in the housing 1. When the shaft 4 is rotationally driven by the motor 2, the shaft 4
The rotor 6 fitted to the crank pin 5 of FIG. 1 rotates eccentrically in the cylinder 7, and accordingly, the suction chamber 11 limited by the cylinder 7, the rotor 6, the upper bearing 8, the lower bearing 9, and the blade 10 (see FIG. Intake gas is sucked into the inside of 4) through the suction pipe 12 and compressed. The compressed gas is discharged from the compression chamber 14 to the discharge port notch 15a, the discharge port 15, the discharge valve 20,
It is discharged into the housing 1 through the discharge muffler 13 and then discharged from the housing 1 through the discharge pipe 16.
【０００３】図５は同圧縮機の上部軸受に設けられてい
る吐出ポート付近の二面図で、同図（ａ）は平面図、同
図（ｂ）は縦断面図である。吐出マフラ１３は上部軸受
８とカバー１３ａとがボルトによって結合されて一体化
して構成されている。FIG. 5 is a two-sided view of the vicinity of the discharge port provided in the upper bearing of the compressor. FIG. 5 (a) is a plan view and FIG. 5 (b) is a longitudinal sectional view. The discharge muffler 13 is configured by integrally combining the upper bearing 8 and the cover 13a with bolts.
【０００４】[0004]
【発明が解決しようとする課題】運転中、条件によって
はシリンダ７内に液および油が混合して入り、液圧縮と
なり、高圧のガスが吐出弁２０より吐出マフラ１３を経
てハウジング１内に吐出される。そのとき吐出マフラ１
３に異常な高圧がかかり、カバー１３ａの結合部に損傷
が生ずる。During operation, depending on the conditions, liquid and oil are mixed and enter the cylinder 7 to become liquid compression, and high-pressure gas is discharged from the discharge valve 20 into the housing 1 through the discharge muffler 13. To be done. Discharge muffler 1 at that time
An abnormally high pressure is applied to 3 to damage the joint of the cover 13a.
【０００５】本発明は、吐出マフラに高圧がかかっても
吐出マフラに損傷が生じないようにしようとするもので
ある。The present invention is intended to prevent the discharge muffler from being damaged even if a high pressure is applied to the discharge muffler.
【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
したものであって、上部軸受とカバーが一体となって吐
出マフラを構成するロータリ圧縮機に於て、前記カバー
の外周端に係合突起を設けると共に、前記上部軸受の外
周に係合溝を設け、両者をはめ込み締結して構成したこ
とを特徴とするロータリ圧縮機に関するものである。SUMMARY OF THE INVENTION The present invention is to solve the above-mentioned problems. In a rotary compressor in which an upper bearing and a cover are integrated to form a discharge muffler, a rotary compressor is provided at the outer peripheral end of the cover. The present invention relates to a rotary compressor, characterized in that an engaging groove is provided on the outer periphery of the upper bearing, and the both are fitted and fastened together.
【０００７】[0007]
【作用】吐出マフラ内の圧力をカバーの外周で支えるの
で、圧力を支える面積が従来技術におけるボルト部外周
の総断面積から、本発明のマフラ外周かみ合い部断面積
へと増加し、締結部強度が増し、同部の損傷を防止する
ことができる。Since the pressure in the discharge muffler is supported by the outer periphery of the cover, the area supporting the pressure is increased from the total cross-sectional area of the outer periphery of the bolt portion in the prior art to the cross-sectional area of the muffler outer periphery engaging portion of the present invention, and the fastening portion strength is increased. It is possible to prevent damage to the same part.
【０００８】[0008]
【実施例】図１は本発明の一実施例における吐出マフラ
１３の縦断面図、図２は同実施例のカバー１３ａの外観
側面図である。図において、２１はカバー１３ａに設け
られた複数の切り込み、２３は同カバー１３ａの外周端
の内側に形成された突起、２４上部軸受８の外周に設け
られた溝であり、この溝２４に前記突起２３がはめ込ま
れている。２２はカバー１３ａの外周端の外側にはめ込
まれている円錐リングであり、これは突起２３が溝２４
から抜け出すことを防止する働きをしている。1 is a vertical sectional view of a discharge muffler 13 according to an embodiment of the present invention, and FIG. 2 is an external side view of a cover 13a of the same embodiment. In the figure, 21 is a plurality of cuts provided in the cover 13a, 23 is a protrusion formed inside the outer peripheral end of the cover 13a, and 24 is a groove provided on the outer periphery of the upper bearing 8, and the groove 24 is provided with The protrusion 23 is fitted. Reference numeral 22 is a conical ring fitted outside the outer peripheral edge of the cover 13a.
It works to prevent you from getting out.
【０００９】本実施例の吐出マフラ１３においては、突
起２３はカバー１３ａの全周にあり、破断面積をカバー
の板厚以上にできるので、吐出マフラ内圧上昇により、
このはめ込み部で破損することを防止できる。なお切り
込み２１は、吐出マフラ１３を上部軸受の溝２４にはめ
込む際、突起２３を開らかせ入れ易くするためのもので
ある。In the discharge muffler 13 of the present embodiment, the projections 23 are on the entire circumference of the cover 13a, and the breaking area can be made equal to or larger than the plate thickness of the cover.
It is possible to prevent the fitting portion from being damaged. The notches 21 are for making the protrusions 23 open when inserting the discharge muffler 13 into the groove 24 of the upper bearing so as to facilitate insertion.
【００１０】[0010]
【発明の効果】本発明の、上部軸受とカバーが一体とな
って吐出マフラを構成するロータリ圧縮機に於ては、前
記カバーの外周端に係合突起を設けると共に、前記上部
軸受の外周に係合溝を設け、両者をはめ込み締結して構
成してあるので、吐出マフラの締結部の強度が増加し、
同部の損傷を防止することができる。In the rotary compressor of the present invention, in which the upper bearing and the cover are integrated to form the discharge muffler, the outer peripheral end of the cover is provided with the engaging projection, and the outer periphery of the upper bearing is provided. Since the engaging groove is provided and both are fitted and fastened, the strength of the fastening portion of the discharge muffler increases,
It is possible to prevent damage to the same part.
【図１】本発明の一実施例の吐出マフラの縦断面図。FIG. 1 is a vertical sectional view of a discharge muffler according to an embodiment of the present invention.
【図２】同実施例のカバーの外観側面図。FIG. 2 is an external side view of the cover of the same embodiment.
【図３】従来のローリングピストン型圧縮機の縦断面
図。FIG. 3 is a vertical sectional view of a conventional rolling piston type compressor.
【図４】同圧縮機の横断面図（図３のＡ−Ａ断面図）。FIG. 4 is a cross-sectional view of the compressor (cross-sectional view taken along the line AA in FIG. 3).
【図５】従来の吐出マフラの二面図。FIG. 5 is a two-sided view of a conventional discharge muffler.
１ ハウジング ２ モータ ２ａ ステータ ２ｂ ロータ ３ 圧縮機構部 ４ シャフト ５ クランクピン ６ ロータ ７ シリンダ ８ 上部軸受 ９ 下部軸受 １０ ブレード １１ 吸入室 １２ 吸入管 １３ 吐出マフラ １３ａ カバー １４ 圧縮室 １５ 吐出ポート １６ 吐出管 １７ バネ １８ ブレード溝 １９ リテーナ ２０ 吐出弁 ２１ 切り込み ２２ 円錐リング ２３ 突起 ２４ 溝 1 Housing 2 Motor 2a Stator 2b Rotor 3 Compression Mechanism Section 4 Shaft 5 Crankpin 6 Rotor 7 Cylinder 8 Upper Bearing 9 Lower Bearing 10 Blade 11 Suction Chamber 12 Suction Pipe 13 Discharge Muffler 13a Cover 14 Compression Chamber 15 Discharge Port 16 Discharge Pipe 17 Spring 18 Blade groove 19 Retainer 20 Discharge valve 21 Notch 22 Conical ring 23 Protrusion 24 Groove
Claims (1)
フラを構成するロータリ圧縮機に於て、前記カバーの外
周端に係合突起を設けると共に、前記上部軸受の外周に
係合溝を設け、両者をはめ込み締結して構成したことを
特徴とするロータリ圧縮機。1. In a rotary compressor in which an upper bearing and a cover are integrated to form a discharge muffler, an engaging protrusion is provided on an outer peripheral end of the cover, and an engaging groove is provided on an outer periphery of the upper bearing. The rotary compressor is characterized in that both are fitted and fastened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3317973A JPH05157086A (en) | 1991-12-02 | 1991-12-02 | Rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3317973A JPH05157086A (en) | 1991-12-02 | 1991-12-02 | Rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05157086A true JPH05157086A (en) | 1993-06-22 |
Family
ID=18094061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3317973A Withdrawn JPH05157086A (en) | 1991-12-02 | 1991-12-02 | Rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05157086A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2832769A1 (en) * | 2001-11-23 | 2003-05-30 | Luk Automobiltech Gmbh & Co Kg | Vacuum pump for brake force amplifier produces vacuum in closed chamber by driving working fluid in chamber from inlet opening to outlet opening which discharges into soundproofing chamber connected to environment |
| KR100397555B1 (en) * | 2001-02-12 | 2003-09-13 | 주식회사 엘지이아이 | Noise decrease apparatus for hermetic rotary compressor |
| JP2011208553A (en) * | 2010-03-29 | 2011-10-20 | Fujitsu General Ltd | Rotary compressor |
| KR101134228B1 (en) * | 2004-08-11 | 2012-04-09 | 엘지전자 주식회사 | A muffler mounting structure of rotary compressor |
| CN106917750A (en) * | 2017-04-20 | 2017-07-04 | 西安庆安制冷设备股份有限公司 | A kind of structure for reducing rotary compressor noise |
-
1991
- 1991-12-02 JP JP3317973A patent/JPH05157086A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100397555B1 (en) * | 2001-02-12 | 2003-09-13 | 주식회사 엘지이아이 | Noise decrease apparatus for hermetic rotary compressor |
| FR2832769A1 (en) * | 2001-11-23 | 2003-05-30 | Luk Automobiltech Gmbh & Co Kg | Vacuum pump for brake force amplifier produces vacuum in closed chamber by driving working fluid in chamber from inlet opening to outlet opening which discharges into soundproofing chamber connected to environment |
| WO2003046384A1 (en) * | 2001-11-23 | 2003-06-05 | Luk Automobiltechnik Gmbh & Co. Kg | Vacuum pump comprising a sound attenuation chamber |
| KR101134228B1 (en) * | 2004-08-11 | 2012-04-09 | 엘지전자 주식회사 | A muffler mounting structure of rotary compressor |
| JP2011208553A (en) * | 2010-03-29 | 2011-10-20 | Fujitsu General Ltd | Rotary compressor |
| CN106917750A (en) * | 2017-04-20 | 2017-07-04 | 西安庆安制冷设备股份有限公司 | A kind of structure for reducing rotary compressor noise |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19990311 |