CN100538077C - 涡旋流体机械 - Google Patents
涡旋流体机械 Download PDFInfo
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- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000005728 strengthening Methods 0.000 claims abstract description 8
- 239000000446 fuel Substances 0.000 claims abstract description 6
- 230000002787 reinforcement Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 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
- F04C29/028—Means for improving or restricting lubricant flow
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- 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
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- 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
- F04C18/0253—Details concerning the base
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- 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
-
- 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
- F04C2240/00—Components
- F04C2240/60—Shafts
- F04C2240/603—Shafts with internal channels for fluid distribution, e.g. hollow shaft
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- 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
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/805—Fastening means, e.g. bolts
-
- 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
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/005—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
- F04C29/0057—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions for eccentric movement
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
一种涡旋流体机械,包括固定涡盘、绕动涡盘和用于防止绕动涡盘按其自身轴线旋转的多个防自转装置。加强垫板借助中心螺栓和外周边螺栓固定在绕动涡盘的后表面上。在加强垫板中提供防自转装置的从动件。穿过加强垫板形成供油孔,用来向从动件供油。
Description
技术领域
本发明涉及一种涡旋流体机械,并特别地涉及这样一种涡旋流体机械,在该涡旋流体机械中,机壳内的固定涡盘的固定涡卷与绕动涡盘的绕动涡卷接合,绕动涡盘可转动地围绕驱动轴的偏心轴向部分安装,绕动涡盘随着驱动轴偏心地旋转,因而,从机壳周围或中心吸入的气体向着该中心或周围被压缩或膨胀。
背景技术
日本专利JP2004-308436A公开了一种具有绕动涡盘的涡旋流体机械,该绕动涡盘包括在各表面上具有绕动涡卷的绕动端板。并且日本专利JP7-42953B2公开了一种涡旋流体机械,其中绕动涡卷仅在绕动端板的一个表面上突出。
在前一种涡旋流体机械中,在运转期间,在固定涡盘的固定涡卷的顶部的端密封件,在几乎相同的状况下,可滑动地接触绕动端板的各个表面,从而施加几乎相同的压力,进而产生几乎相同的热量。因此,绕动端板的各表面不大可能局部地伸展或弯曲以防止运转不平滑或效率降低,或者,固定涡盘的端密封件不大可能均匀地磨损以防止性能降低或防止振动或噪音。
然而,如在日本专利JP7-42953B2中描述的,在仅在一个表面上具有绕动涡卷的绕动涡盘中,支撑凸台在绕动端板的后表面上突出,从而,该绕动端板均匀地变形或伸展,或者由于压力负荷、与固定涡盘的端密封件的摩擦或产生热量的不均匀,引起绕动涡卷的角度局部不同。
因此,绕动涡卷带有偏差地接触固定端板,从而引起压力的变化局部地降低效率,或产生噪音、热或振动。此外,固定和绕动涡盘的端密封件局部磨损,从而减少使用时间。
为防止绕动端板在运转期间变形,有必要显著增加绕动端板的厚度。然而,在绕动涡盘中,绕动端板和绕动涡卷通过模铸方法由铝整体地制成。由于绕动端板的厚度较大,在压模铸造后的冷却期间,绕动端板和绕动涡卷的冷却速度变得不一致,因而绕动涡卷的角度变得局部不同从而降低效率,因而加速磨损或引起噪音。
此外,驱动轴的偏心轴向部分借助球轴承安装在绕动端板的后表面的中心,并且已知的销-曲柄型防自转装置安装在绕动端板后表面上的三个等距间隔开的位置上。必要的是,为各个轴承水平地提供油脂供给孔,而把油脂通过这些孔送入轴承是麻烦的。
发明内容
鉴于现有技术中的缺点,本发明的目的是提供一种涡旋流体机械,其中绕动端板被制成尽可能地薄,以防止绕动涡卷在由铝金属模铸制成后由于各部分冷却速度的不同而变得不均匀或局部变形,并防止绕动端板由于工作中的温差和压力强度差而弯曲或局部变形,而且,可以容易地把油供给到轴承中。
本发明提供了一种涡旋流体机械,它包括:
机壳;
驱动轴,它在一端上具有偏心轴向部分;
绕动涡盘,它可转动地围绕该驱动轴的偏心轴向部分安装,并包括绕动端板,该绕动端板在其前表面上具有绕动涡卷;
固定涡盘,它固定到该机壳上,并包括具有固定涡卷的固定端板;以及
多个防自转装置,它们安装在该绕动端板的后表面上,用来防止该绕动涡盘按其自身轴线旋转;
其特征在于:
加强垫板可拆除地布置在该绕动端板的后表面上,并具有所述多个防自转装置中的每个防自转装置的从动件,穿过该加强垫板形成从动件供油孔,在所述加强垫板被拆除后通过所述从动件供油孔向该从动件供油,所述从动件供油孔在径向上形成在所述绕动端板的外周边内。
优选的是,所述加强垫板具有管状凸台,用于支撑所述驱动轴的偏心轴向部分,所述管状凸台具有中心供油孔,用于向该驱动轴的轴向端部供油。
优选的是,螺栓拧入为螺纹孔的该中心供油孔,用来固定该加强垫板到该绕动端板。
附图说明
由下面结合实施例的说明,本发明的特征和优点将变得更加显然的,这些实施例如附图所示,其中:
图1是根据本发明的涡旋流体机械的第一实施例的垂直剖面侧视图;
图2是沿图1中的线II-II取得的垂直剖视图;
图3是沿图2中的线III-III取得的剖视图;
图4示出了本发明的第二实施例,并与图3相似;
图5示出了本发明的第三实施例,并与图3相似;和
图6示出了本发明的第四实施例,并与图3相似。
具体实施方式
图1是根据本发明的涡旋流体机械的第一实施例的垂直剖面侧视图。图2是沿图1中的线II-II取得的垂直剖视图,图中移除了驱动轴和防自转装置。图3是沿图2中的线III-III取得的剖视图。
如图1所示,涡旋流体机械包括固定涡盘3和绕动涡盘6。固定涡盘3包括固定端板1,该固定端板1在其后表面上具有螺旋状固定涡卷2。绕动涡盘6包括绕动端板4,该绕动端板4在其前表面上具有绕动涡卷5,使得固定涡卷2能与绕动涡卷5接合。
绕动端板4具有厚的环形法兰4a,接合在环形法兰4a中的加强垫板7布置在绕动端板4的后表面上。
在加强垫板7的后表面的中心处,支撑管11突出以支撑可借助滚针轴承10转动的驱动轴8的偏心轴向部分9。
在加强垫板7后表面的等距间隔开的三点上,具有管状凸台15,该管状凸台15支撑可借助球轴承14转动的已知销-曲柄(pin-crank)型防自转装置12的从动件13。
防自转装置12的支架16借助球轴承17可转动地支撑在机壳18中。销-曲柄19把防自转装置12的支架16连接到从动件13,穿过销-曲柄19,轴向地形成通孔20。
在加强垫板7中轴向地形成内孔21,以便与驱动轴8的偏心轴向部分9的中心一致。轴向地形成从动件供油孔22,以便与防自转装置12的从动件13的球轴承14一致,并且形成支架供油孔23,以便与销-曲柄19的通孔20一致。
螺栓25通过位于绕动端板4的中心的大径孔24拧入内孔21,从而把加强垫板7精确地固定在绕动端板4上。
在机壳18的后表面上,防自转装置12的支架16由盖板26紧密地盖住,盖板26防止油脂从球轴承17流出。
多个,例如三个螺栓27径向地布置在绕动端板4的环形法兰4a中,用来防止加强垫板7的旋转。
图4示出了本发明的第二实施例,并且与图3相似。相同的标记用于相同的部件,并且将仅仅说明其不同之处。
加强垫板7的环形法兰7a装配在沿圆周形成在绕动端板4上的环形法兰4a中。螺栓28从环形法兰4a的前表面的外边角处向内并向后插入,并拧入加强垫板7的环形法兰7a。
图5是本发明的第三实施例并类似于图3。相同的标记用于相同的部件,并且仅说明其不同之处。
没有环形法兰的绕动端板4安装在没有环形法兰的加强垫板7上,并且它们借助倾斜地穿过外周边的螺栓29相互固定。
图6示出了本发明的第四实施例,并与图3相似。相同的标记用于相同的部件,并且将仅仅说明其不同之处。
螺栓30轴向地穿过绕动端板4和加强垫板7的外周边。
上述仅涉及本发明的实施例。本领域技术人员在不偏离权利要求的范围下可作出各种改变和修改。
Claims (9)
1.一种涡旋流体机械,它包括:
机壳;
驱动轴,它在一端上具有偏心轴向部分;
绕动涡盘,它可转动地围绕该驱动轴的偏心轴向部分安装,并包括绕动端板,该绕动端板在其前表面上具有绕动涡卷;
固定涡盘,它固定到该机壳上,并包括具有固定涡卷的固定端板;以及
多个防自转装置,它们安装在该绕动端板的后表面上,用来防止该绕动涡盘按其自身轴线旋转;
其特征在于:
加强垫板可拆除地布置在该绕动端板的后表面上,并具有所述多个防自转装置中的每个防自转装置的从动件,穿过该加强垫板形成从动件供油孔,在所述加强垫板被拆除后通过所述从动件供油孔向该从动件供油,所述从动件供油孔在径向上形成在所述绕动端板的外周边内。
2.根据权利要求1的涡旋流体机械,其中各个所述的多个防自转装置包括支架,支架供油孔穿过该加强垫板形成,用于向该支架供油。
3.根据权利要求2的涡旋流体机械,其中各个所述的多个防自转装置包括连接该从动件到该支架的销-曲柄,所述的销-曲柄具有轴向通孔,所述支架供油孔与该通孔连通。
4.根据权利要求1的涡旋流体机械,其中所述加强垫板具有管状凸台,用于支撑所述驱动轴的偏心轴向部分,所述管状凸台具有中心供油孔,用于向该驱动轴的轴向端部供油。
5.根据权利要求4的涡旋流体机械,其中螺栓拧入为螺纹孔的该中心供油孔,用来固定该加强垫板到该绕动端板。
6.根据权利要求1的涡旋流体机械,其中所述绕动端板具有向后延伸的环形法兰,所述加强垫板接合在该环形法兰内,螺栓径向地向着该加强垫板的轴线、穿过该绕动端板的环形法兰拧入,用来固定该绕动端板到该加强垫板。
7.根据权利要求1的涡旋流体机械,其中所述的绕动端板具有向后延伸的环形法兰,所述加强垫板接合在该环形法兰内,螺栓从该加强垫板中的所述环形法兰的外边角拧入,用于固定该绕动端板到该加强垫板。
8.根据权利要求1的涡旋流体机械,其中,通过在该绕动端板和该加强垫板的外周边上拧入螺栓,从而该绕动端板固定到该加强垫板。
9.根据权利要求8的涡旋流体机械,其中该螺栓从该绕动端板倾斜地拧入。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005324114A JP4920244B2 (ja) | 2005-11-08 | 2005-11-08 | スクロール流体機械 |
JP2005324114 | 2005-11-08 |
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CN1971048A CN1971048A (zh) | 2007-05-30 |
CN100538077C true CN100538077C (zh) | 2009-09-09 |
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CNB200610143510XA Expired - Fee Related CN100538077C (zh) | 2005-11-08 | 2006-11-08 | 涡旋流体机械 |
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US (1) | US7404706B2 (zh) |
EP (1) | EP1783372B1 (zh) |
JP (1) | JP4920244B2 (zh) |
KR (1) | KR100796130B1 (zh) |
CN (1) | CN100538077C (zh) |
TW (1) | TWI329159B (zh) |
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CN102588276A (zh) * | 2011-01-11 | 2012-07-18 | Lg电子株式会社 | 具有分体式绕动涡旋盘的涡旋式压缩机 |
US9541083B2 (en) | 2011-11-09 | 2017-01-10 | Lg Electronics Inc. | Scroll compressor including communication hole with improved back pressure chamber and back pressure hole locations |
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-
2005
- 2005-11-08 JP JP2005324114A patent/JP4920244B2/ja active Active
-
2006
- 2006-11-06 TW TW095140957A patent/TWI329159B/zh not_active IP Right Cessation
- 2006-11-07 US US11/593,997 patent/US7404706B2/en not_active Expired - Fee Related
- 2006-11-07 KR KR1020060109498A patent/KR100796130B1/ko active IP Right Grant
- 2006-11-07 EP EP06123590A patent/EP1783372B1/en not_active Expired - Fee Related
- 2006-11-08 CN CNB200610143510XA patent/CN100538077C/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102588276A (zh) * | 2011-01-11 | 2012-07-18 | Lg电子株式会社 | 具有分体式绕动涡旋盘的涡旋式压缩机 |
CN102588276B (zh) * | 2011-01-11 | 2015-11-25 | Lg电子株式会社 | 具有分体式绕动涡旋盘的涡旋式压缩机 |
US9523361B2 (en) | 2011-01-11 | 2016-12-20 | Lg Electronics Inc. | Scroll compressor having back pressure chamber that operatively contains a discharge pressure and an intermediate pressure during different periods of time within a single compression cycle |
US9541083B2 (en) | 2011-11-09 | 2017-01-10 | Lg Electronics Inc. | Scroll compressor including communication hole with improved back pressure chamber and back pressure hole locations |
Also Published As
Publication number | Publication date |
---|---|
KR100796130B1 (ko) | 2008-01-21 |
CN1971048A (zh) | 2007-05-30 |
US7404706B2 (en) | 2008-07-29 |
KR20070049580A (ko) | 2007-05-11 |
EP1783372B1 (en) | 2013-04-03 |
US20070104602A1 (en) | 2007-05-10 |
JP4920244B2 (ja) | 2012-04-18 |
TW200724783A (en) | 2007-07-01 |
EP1783372A2 (en) | 2007-05-09 |
JP2007132220A (ja) | 2007-05-31 |
EP1783372A3 (en) | 2012-04-11 |
TWI329159B (en) | 2010-08-21 |
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