CN103233891B - 旋转凸轮环流体机械 - Google Patents

旋转凸轮环流体机械 Download PDF

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CN103233891B
CN103233891B CN201210407501.2A CN201210407501A CN103233891B CN 103233891 B CN103233891 B CN 103233891B CN 201210407501 A CN201210407501 A CN 201210407501A CN 103233891 B CN103233891 B CN 103233891B
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mentioned
ring
blade
flange
stationary axle
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CN103233891A (zh
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黄光宣
黄富石
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RICHSTONE Ltd
RichStone Ltd Korea
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/30Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/356Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/344Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01CROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/08Rotary pistons
    • F01C21/0809Construction of vanes or vane holders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/30Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3441Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01CROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10Outer members for co-operation with rotary pistons; Casings
    • F01C21/104Stators; Members defining the outer boundaries of the working chamber
    • F01C21/106Stators; Members defining the outer boundaries of the working chamber with a radial surface, e.g. cam rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/008Prime movers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/344Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C18/3441Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/30Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/30Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3446Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along more than one line or surface

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Hydraulic Motors (AREA)

Abstract

本发明提供一种小型高效率且无轴承的简单的旋转凸轮环流体机械。本发明的旋转凸轮环流体机械具有机壳、固定在机壳的凸缘、在机壳的内部的定子、在定子的内部的转子凸轮环、转子凸轮环的内部的固定轴、在固定轴的叶片槽收容的叶片。由转子凸轮环的内周面、固定轴的外周面、叶片、凸缘形成流体室。若转子凸轮环旋转,则流体室的容积增加或减少。<pb pnum="1" />

Description

旋转凸轮环流体机械
技术领域
本发明涉及液泵、真空泵、压缩机、鼓风机、膨胀机等流体机械。
背景技术
叶片泵例如具有转子、凸轮环(cam ring)、叶片(vane)、供给口、排出口。叶片随着转子的旋转以与凸轮环的内周面滑动接触的方式出入转子的多个径向叶片槽。供给口向凸轮环与转子之间的泵空间供给流体,排出口则排出流体。这种叶片泵由于在马达安装叶片泵,因而较大。日本特开2011-117391号(专利文献1)公开了一种小型叶片泵。定子在马达壳体内。马达转子在定子的内部。轴以与马达转子形成一体的方式旋转。非磁性泵转子以与轴形成一体的方式旋转,并且在非磁性泵转子的外周面具有多个叶片槽。软磁性凸轮环具有用于收容泵转子的内周面。软磁性叶片以与凸轮环的内周面滑动接触的方式滑动自如地收容在各叶片槽。软磁性泵壳体收容凸轮环。泵壳体的内周面和凸轮环的外周面相接触。泵壳体的一部分与定子相接触。随着泵转子的旋转,泵转子的外周面和凸轮环的内周面与叶片之间的多个泵室的容积发生变化。该叶片泵借助磁气作用向从转子的叶片槽拔出叶片的方向拉出叶片,因没有弹簧而相应地达到小型化,但由于泵部与马达部分体构成,因而小型化程度还不够充分。
现有技术文献
专利文献
专利文献1:日本特开2011-117391号
发明内容
本发明的课题是提供一种小型高效率且简单的“旋转凸轮环流体机械”(以下,称作“本机械”)。
本机械包括:机壳;凸缘,其固定在机壳;定子,其在机壳的内部;转子凸轮环,其配置在定子的内部,该转子凸轮环在内周具有内周面,并在外周具有转子;固定轴,其在转子凸轮环的内侧,该固定轴在外周面具有开口的叶片槽,并在端面设置凸缘;叶片,其收容在上述固定轴的叶片槽。由转子凸轮环的内周面、固定轴的外周面、叶片、凸缘形成流体室。若上述转子凸轮环旋转,则流体室的容积增加或减少。
在固定轴或凸缘或转子凸轮环具有吸入口或排出口。
转子凸轮环的内周面具有圆状或圆弧状的凹部以及与固定轴的外周面滑动接触的线或面。
叶片的数量比圆弧状凹部的数量少一个。
叶片具有槽(背压槽)。
叶片槽在底部具有孔(弹簧孔或贯通孔)。
上述转子凸轮环的内周面的与上述固定轴的外周面滑动接触的面在中央具有尖端密封件(tip seal)槽,尖端密封件槽相对于轴向倾斜。
转子凸轮环的端面通过密封圈(ring seal)以密封状态与凸缘滑动接触。
在转子凸轮环端面或凸缘具有密封圈槽,密封圈槽从转子凸轮环的轴心偏心。
本机械中无轴承及其相关部件,具有简单的结构,且小型高效率。
附图说明
图1是实施例1的本机械的分解图。
图2(a)、图2(b)、图2(c)是表示实施例1的凸轮环的图,其中,图2(a)是立体图,图2(b)是侧视图,图2(c)是A-A线图。
图3是实施例1的圆密封圈的立体图。
图4(a)、图4(b)、图4(c)是表示实施例1的固定轴的图,其中,图4(a)是立体图,图4(b)是侧视图,图4(c)是主视图。
图5(a)、图5(b)、图5(c)、图5(d)是表示实施例1的叶片的图,其中,图5(a)是立体图,图5(b)是侧视图,图5(c)是仰视图,图5(d)是A-A线图。
图6(a)、图6(b)、图6(c)是表示实施例1的第一凸缘的图,其中,图6(a)是主视图,图6(b)是立体图,图6(c)是侧视图。
图7(a)、图7(b)、图7(c)是表示实施例1的吸入盖的图,其中,图7(a)是主视图,图7(b)是立体图,图7(c)是侧视图。
图8(a)、图8(b)、图8(c)、图8(d)是表示实施例1的流体室的容积增加或减少的原理的剖视图。
图9(a)、图9(b)是表示凸轮环的再一例的图,其中,图9(a)是剖视图,图9(b)是立体图。
图10(a)、图10(b)是表示凸轮环的另一例的图,其中,图10(a)是剖视图,图10(b)是立体图。
图11(a)、图11(b)是表示实施例2的本机械的图,其中,图11(a)是分解图,图11(b)是剖视图。
图12(a)、图12(b)、图12(c)是表示实施例2的凸轮环的图,其中,图12(a)是立体图,图12(b)是剖视图,图12(c)是A-A线图。
图13是实施例2的角密封圈的立体图。
图14(a)、图14(b)、图14(c)、图14(d)是表示实施例2的固定轴的图,其中,图14(a)是立体图,图14(b)是剖视图,图14(c)是侧视图,图14(d)是A-A线图。
图15(a)、图15(b)、图15(c)、图15(d)是表示实施例2的叶片的图,其中,图15(a)是立体图,图15(b)是侧视图,图15(c)是仰视图,图15(d)是A-A线图。
图16(a)、图16(b)、图16(c)是表示实施例2的第一凸缘的图,其中,图16(a)是立体图,图16(b)是主视图,图16(c)是A-A线图。
图17(a)、图17(b)、图17(c)是表示实施例2的吸入盖的图,其中,图17(a)是立体图,图17(b)是主视图,图17(c)是侧视图。
图18是实施例3的本机械的分解图。
图19(a)、图19(b)是表示实施例3的机械的图,其中,图19(a)是轴向剖视图,图19(b)是A-A线图。
图20(a)、图20(b)、图20(c)、图20(d)是表示实施例3的流体室的容积增加或减少的原理的剖视图。
图21(a)、图21(b)、图21(c)、图21(d)是表示实施例4的流体室的容积增加或减少的原理的剖视图。
图22(a)、图22(b)是表示实施例5的固定轴的图,其中,图22(a)是剖视图,图22(b)是立体图。
图23(a)、图23(b)是表示实施例5的机械的图,其中,图23(a)是轴直角方向剖视图,图23(b)是轴向剖视图。
图24(a)、图24(b)是表示实施例6的压缩机的图,其中,图24(a)是轴向剖视图,图24(b)是分解图。
图25(a)、图25(b)、图25(c)、图25(d)是表示实施例7的流体室的容积增加或减少的原理的剖视图。
图26(a)、图26(b)、图26(c)是表示实施例8的机械的图,其中,图26(a)是轴向剖视图,图26(b)是A-A线图,图26(c)是B-B线图。
图27(a)、图27(b)是表示实施例9的膨胀机的图,其中,图27(a)是轴向剖视图,图27(b)是A-A线图。
具体实施方式
实施例1
图1至图8(d)表示实施例1,图1表示本机械。机壳1具有机壳本体11、排出盖13以及吸入盖14。第一凸缘12也构成机壳1。第一凸缘12和第二凸缘43固定于机壳1。具有多个线圈21的定子2在机壳1的内部。转子凸轮环3以同轴方式旋转自如地配置在定子2的内部,转子凸轮环3在内周具有内周面31a,并在外周具有转子32。图1的转子凸轮环3由凸轮环31和转子32构成,其中,上述凸轮环31在内周具有内周面31a,上述转子32固定在凸轮环31的外周。作为参考,图18的转子凸轮环3具有转子32和凸轮环31形成一体的结构,其中,上述转子32在安装有磁铁322的磁性体环321(转子32)的内周插入了凸轮环31。固定轴4在转子凸轮环3的内侧,并且,在固定轴4的外周面41具有开口的至少一个轴向叶片槽42a、42b,并且在固定轴4的两个端48a、48b具有第一凸缘12和第二凸缘43。第一凸缘12与固定轴4的一端48a及机壳本体11的一端11a相接合。第二凸缘43与固定轴4的另一端48b形成一体。作为参考,图22(a)、图22(b)的固定轴4不与凸缘形成一体,固定轴4的一端48a和第一凸缘12相接合,固定轴4的另一端48b和第二凸缘43相接合。叶片5a、5b沿半径方向滑动自如地收容在固定轴4的叶片槽42a、42b。流体室35由转子凸轮环3或凸轮环31的内周面31a、固定轴4的外周面41、叶片5a、5b、凸缘12、43形成。若转子凸轮环3旋转,则流体室35的容积增加或减少。
图2(a)、图2(b)、图2(c)的凸轮环31具有圆形的外周面和平滑的曲线的内周面31a。作为参考,凸轮面31d为形成于圆弧状凹部312之中的内周面31a。转子凸轮环3或凸轮环31在两端面具有使图3的圆密封圈33、33插入的圆密封圈槽31b、31b。圆密封圈槽31b可以设置于第一凸缘12及第二凸缘43。圆密封圈槽31b、31b从转子凸轮环3或凸轮环31的轴心偏心。转子凸轮环3或凸轮环31的两端通过圆密封圈33以密封状态与第一凸缘12及第二凸缘43滑动接触。内周面31a具有与固定轴4的外周面41面滑动接触的三个圆弧状滑动接触面311和在各圆弧状滑动接触面311之间形成的三个圆弧状凹部312。圆环状的转子32固定在凸轮环31的外周面。
图4(a)、图4(b)、图4(c)的固定轴4具有外周面41、叶片槽42a、42b、第二凸缘43、多个螺纹孔44。叶片槽42a、42b在外周面41沿轴向开口。固定轴4的另一端48b与第二凸缘43形成一体。固定轴的一端48a与第一凸缘12相接合。螺纹孔44贯通固定轴4。流体的吸入口15a、15b形成于与叶片槽42a、42b相邻的第二凸缘43。叶片槽42a、42b的长度与外周面41的总长41a几乎相同,而深度比图5的叶片5a、5b的宽度55长。弹簧孔61形成于叶片槽42a、42b的底部,并与叶片槽42a、42b相连通。图1的弹簧6向外方按压图5(a)、图5(b)、图5(c)的叶片5a、5b。
图5(a)、图5(b)、图5(c)的叶片5a、5b具有尖端面51、弹簧槽52、至少一个槽(背压槽)53。尖端面51的断面呈圆弧状,尖端面51与凸轮环31的内周面31a滑动接触。弹簧槽52处于在叶片5的底部54的中央与固定轴4的叶片槽42a、42b的弹簧孔61相连接的位置。弹簧槽52固定弹簧6。背压槽53形成于叶片5a、5b的一方的侧面。各背压槽53从比尖端面51稍微向下的位置延伸至底部54。背压槽53起到使叶片槽42的压力和流体室35的压力几乎相等的作用。所谓叶片槽42的压力是指叶片5a、5b的底部54和叶片槽42a、42b的底部421a、421b之间的空间的压力。弹簧6固定在弹簧槽52。
图6(a)、图6(b)、图6(c)的第一凸缘12以密封状态与固定轴4的一端48a和机壳本体11的一端11a相接合。与一端11a相接合的第一凸缘12构成机壳1的一部分。第一凸缘12在内面具有环状的流体室壁121,并在流体室壁121的外侧具有贮藏部122。流体室壁121具有两个排出口16a、16b和多个螺纹孔123。螺纹孔123的周围存在使O型圈插入的O型圈槽124。通过第一凸缘12和排出盖13的接合,贮藏部122形成如图19(a)所示的贮藏室17。借助贮藏室17对从排出口16a、16b排出的流体的脉动流进行整流。
图7(a)、图7(b)、图7(c)的吸入盖14以密封状态与机壳本体11的另一端11b相接合。吸入盖14具有流体的吸入口141和环状的流体室壁142,该流体室壁142形成于吸入盖14的内周面。中间吸入口143a、143b形成于流体室壁142。流体室壁142以密封状态与固定轴4的第二凸缘43相抵接,中间吸入口143a、143b与第二凸缘43的吸入口15a、15b相连通。从吸入盖14的吸入口141进入的流体通过中间吸入口143a、143b及吸入口15a、15b进入凸轮环31的内周面31a与固定轴4的外周面41之间的流体室35。流体室壁142具有多个螺纹孔144和O型圈槽145。
图8(a)、图8(b)、图8(c)、图8(d)表示转子凸轮环3旋转时流体室35的容积增加或减少的原理。叶片的数量为两个,比圆弧状凹部的数量三个少一个,因此转子凸轮环3旋转时,流体的排出量或吸入量变得几乎均匀,且马达的扭矩变动、排出或吸入流体时的脉动变小。图8(a)中,叶片5a处于凸轮环31的内周面31a和固定轴4的外周面41相接的位置,叶片5b处于内周面31a和外周面41最远的位置。形成于叶片5a的两侧的吸入口15a及排出口16a不与在内周面31a和外周面41之间形成的流体室相连通。形成于叶片5b的两侧的吸入口15b及排出口16b与在内周面31a、外周面41和叶片5b之间形成的流体室35c、35d相连通。若从图8(a)到图8(b)为止,凸轮环31按顺时针方向旋转,吸入口15a一侧的流体室35e扩大而使流体通过吸入口15a流入流体室35e,排出口16a一侧的流体室35a缩小而使流体通过排出口16a从流体室35a排出。图8(c)中,叶片5a处于内周面31a和外周面41最远的位置,叶片5b处于内周面31a与外周面41相接的位置。叶片5a的两侧的吸入口15a及排出口16a与流体室35e、35a相连通,叶片5b的两侧的吸入口15b及排出口16b不与流体室35相连通。若凸轮环31进而旋转,经过图8(d)的状态返回图8(a)的状态。由此,若凸轮环31旋转,则相位偏移,从而流体通过吸入口15a、15b流入流体室35,且流体通过排出口16a、16b从流体室35排出。
图9(a)、图9(b)表示凸轮环31的再一例。内周面31a的三个圆弧状滑动接触面311与固定轴4的外周面41面滑动接触。在圆弧状滑动接触面311的中央存在使尖端密封件插入的密封槽313a、313b、313c。图10(a)、图10(b)表示凸轮环31的另一例。在圆弧状滑动接触面311的中央具有尖端密封件槽314a、314b、314c。使尖端密封件插入的尖端密封件槽314a、314b、314c相对于轴向稍微倾斜。由于各尖端密封件倾斜,相当于尖端密封件的叶片5a、5b的冲突变得缓和。
实施例2
图11(a)、图11(b)表示叶片5的数量为三个而比圆弧状凹部312的数量四个少一个的本机械。图12(a)、图12(b)、图12(c)的凸轮环31的内周面31a具有与固定轴4的外周面41面滑动接触的四个圆弧状滑动接触面311和在各圆弧状滑动接触面311之间形成的四个圆弧状凹部312。图13的角密封圈34和存储在凸轮环31的端面的角密封圈槽31c、31c不是圆环状,因此能够降低凸轮环31的厚度。图14(a)、图14(b)、图14(c)、图14(d)中,在固定轴4的外周面41具有开口的三个叶片槽42a、42b、42c。第二凸缘43在与叶片槽42a、42b、42c相邻的位置具有流体的吸入口15a、15b、15c。叶片槽42a、42b、42c的长度与外周面41的总长41a几乎相同,而深度比图15(a)、图15(b)、图15(c)的叶片5a、5b、5c的宽度55长。贯通孔45a、45b、45c在固定轴4的叶片槽42a、42b、42c的底部形成并连通。在贯通孔45a、45b、45c收容弹簧6a、6b、6c。图16(a)、图16(b)、图16(c)的第一凸缘12的流体室壁121具有三个排出口16a、16b、16c。图17(a)、图17(b)、图17(c)的吸入盖14以密封状态与机壳本体11的另一端11b相接合。吸入盖14的流体室壁142具有中间吸入口143a、143b、143c。当固定轴4的第二凸缘43与流体室壁142抵接时,中间吸入口143a、143b、143c与第二凸缘43的吸入口15a、15b、15c相连通。流体室壁142在多个螺纹孔144的周围具有使O型圈插入的三角形的O型圈槽146。
实施例3
本机械中叶片5的数量为一个,因此进而减少了部件数量,使得结构更加简单。内周面31a由圆31a和滑动接触线316构成。构成转子凸轮环3的凸轮环31和转子32形成一体。固定轴4、吸入盖14和第二凸缘43也形成一体。图18、图19(a)、图19(b)的转子凸轮环3中,在外周在磁性体环321埋入多个磁铁322,在内周安装凸轮环31,在内周具有内周面31a,在外周具有转子32。固定轴4或吸入盖14或第二凸缘43具有起到固定轴4的作用的固定轴部4a、起到吸入盖14的作用的吸入盖部14a、起到第二凸缘43的作用的第二凸缘部43a、凸轮环支撑台14b。凸轮环支撑台14b具有支撑面14c,该支撑面14c支撑凸轮环31的旋转,并支撑凸轮环31的外周面。固定在机壳本体11的一端11a的第一凸缘12具有第一排出口16开口的贮藏部122。与第一凸缘12相接合的排出盖13具有第二排出口13a。在第一凸缘12的排出口16中靠近贮藏部122一侧安装有排出阀161。由贮藏部122、与第一凸缘12相接合的排出盖13形成贮藏室17。排出阀161防止所排出的流体向凸轮环31与固定轴部4a之间的流体室35逆流。可以设置多个孔315,这些孔315用于消除在转子凸轮环3或凸轮环31因离心力而产生振动。图20(a)、图20(b)、图20(c)、图20(d)表示转子凸轮环3旋转时流体室35的容积增加或减少的原理。圆状的凸轮环31和固定轴部4a同轴配置。内周面31a相对于凸轮环31偏心。内周面31a的内周和固定轴部4a的外周呈直径不同的圆形,内周面31a与固定轴部4a的外周面41通过线(滑动接触线316)滑动接触。图20(a)中,叶片5的内周面31a与外周面41相接。叶片5的两侧的吸入口15及排出口16不与内周面31a与外周面41之间的流体室35相连通。若从图20(a)到图20(b),凸轮环31按顺时针方向旋转,则流体从吸入口15流入的流体室35a扩大,且流体从排出口16排出的流体室35b缩小。达时到图20(c)的状态,流体的吸入速度及排出速度变得最大。若凸轮环31进而旋转,如图20(d)所示地流体的吸入速度及排出速度就减少,而当返回图20(a)的状态时变为零。像这样,当凸轮环31旋转一次时,进行一循环的流体的吸入及排出。
实施例4
图21(a)的凸轮环31具有椭圆形的内周面31a。圆弧状凹部312的数量为两个,叶片5a、5b的数量也为两个。在叶片的数量为两个以上而与圆弧状凹部的数量相同的情况下,施加于固定轴的载重变轻。由叶片的往复运动造成的本机械的振动也变小。叶片5a、5b在内周面31a与固定轴4的外周面41相接的图21(a)的状态下,叶片5a、5b的两侧的吸入口15a、15b及排出口16a、16b不与内周面31a与外周面41之间的流体室35a、35b相连通。若凸轮环31按顺时针方向旋转至图21(b)的状态,则流体从吸入口15a流入的流体室35c扩大,且流体从排出口16a排出的流体室35a缩小。流体通过吸入口15b流入的流体室35d扩大,且流体通过排出口16b排出的流体室35b缩小。当达到图21(c)的状态时,经由吸入口15a、15b的流体的吸入速度及经由排出口16a、16b的流体的排出速度变得最大。若凸轮环31进而旋转,则经过图21(d)的状态而返回图21(a)的状态。像这样若凸轮环31旋转,流体便以相同的相位流入并排出。
实施例5
图22(a)、图22(b)的固定轴4在叶片槽42a、42b的两侧在外周面41具有开口的吸入口15a、15b及排出口16a、16b。叶片槽42a、42b收容叶片5a、5b。固定轴4的一端48a与第一凸缘12相接合,而另一端48b则与第二凸缘43相接合。图23(b)的第二凸缘43和机壳本体11形成一体。吸入孔46a、46b在固定轴4的内部延伸并与吸入口15a、15b相连通。排出孔47a、47b在固定轴4的内部延伸并与排出口16a、16b相连通。排出口16a、16b和吸入口15a、15b必须要紧挨着叶片槽42a、42b,因此为了提高可加工性,优选为向叶片槽42a、42b一侧倾斜。排出阀161a、161b设置在排出口排出口16a、16b。
实施例6
图24(a)、图24(b)的压缩机具有供油管18和排出阀161。第一凸缘12的供油孔12a和固定轴4的供油孔4b与叶片槽42的底部的贯通孔45相连通。供油孔12a和插入在供油孔4b的供油管18延伸至贮藏室17的下部。在贮藏室17的下部贮藏的油通过供油管18、贯通孔45、弹簧孔61被供给到叶片槽42。供油管18不仅用于供油,还以使叶片槽42的压力与排出口16的压力几乎相同的方式对叶片5施加背压。三个排出阀161设置在第一凸缘12的三个排出口16,用以防止从排出口16排出的流体向排出口16一侧逆流。机壳本体11和吸入盖14形成一体。从位于与固定轴4形成一体的第二凸缘43的三个吸入口15流入的气体和油通过流体室35,从而气体被压缩,并与油一同从三个排出口16流入贮藏室17。压缩的气体从贮藏室17排出并从排出口13a排出。油贮藏在贮藏室17之后,通过供油管18向叶片槽42供油。
实施例7
图25(a)中,凸轮环31的圆弧状凹部312为一个,叶片5也为一个。凸轮环31的内周面31a与固定轴4的外周面41通过面(滑动接触面311)接触。当滑动接触面311的中心位于叶片5的旁边时,滑动接触面311的长度L1比排出口16与吸入口15之间的长度L2长,以使排出口16一侧的高压流体通过圆弧状凹部312向吸入口15一侧的低压流体逆流。
实施例8
图26(a)、图26(b)、图26(c)的本机械中,轴向设置两组图21(a)的固定轴4、凸轮环31和叶片5a、5b,并将两个凸轮环36、37相互错开90度,因此脉动和扭矩发生的变动小。并且,第一凸缘12与第二凸缘43之间的机壳1的内部的空间1a等没有部件的空的空间起到贮藏室17的作用,因而能够确保体积大的贮藏室。转子凸轮环3在内周具有第一凸轮环36的内周面36a和第二凸轮环37的内周面37a,并在外周具有转子32。第一固定轴4c在转子凸轮环3的内侧具有两个叶片槽42,并在两端具有第一凸缘12和第三凸缘49。第二固定轴4d在转子凸轮环3的内侧具有两个叶片槽42,并在两端具有第二凸缘43和第三凸缘49。第一固定轴4c和第二固定轴4d也都具有两个叶片5。收容叶片5的四个叶片槽位于相同的轴线上。由第一凸轮环36的内周面36a、第一固定轴4c的外周面41b、叶片5a、5b、第一凸缘12、第三凸缘49形成第一流体室35f。由第二凸轮环37的内周面37a、第二固定轴4d的外周面41c、叶片5c、5d、第二凸缘43、第三凸缘49形成第二流体室35g。若转子凸轮环3旋转,则第一流体室35f和第二流体室35g的容积增加或减少。第一固定轴4c和第二固定轴4d分别具有两组吸入口15a,每组有三个。第一凸缘12和第二凸缘43分别具有两个排出口16。流体从吸入盖14的吸入口141流入,并通过第二凸缘43的中间吸入口143进入第二固定轴4d的连通槽7。连通槽7的流体的一方与第二固定轴4d的吸入孔46a、第三凸缘49的吸入孔46a、第一凸缘12的吸入孔46a相连通。流体的另一方与第二固定轴4d的吸入孔46b、第三凸缘49的吸入孔46b、第一凸缘12的吸入孔46b相连通。进入第二固定轴4d的吸入孔46a、46b后的流体通过第二固定轴4d的六个吸入口15a进入第二流体室35g。进入第一固定轴4c的吸入孔46a、46b后的流体通过第一固定轴4c的六个吸入孔15a流入第一流体室35f。流体室35f、35g的流体从共四个排出口16通过第一凸缘12的排出孔12b和第二凸缘43的排出孔43c合流,并从排出盖13的排出口13a排出。
实施例9
图27(a)、图27(b)的与发电机形成一体的膨胀机中,在转子凸轮环3或凸轮环31具有三个吸入口15a、15b、15c。第一凸缘12与排出盖13形成一体。第二凸缘43与吸入盖14形成一体,具有与凸轮环31的外周面相接触的吸入筒8。高压的流体通过吸入盖14的吸入口141被吸入,通过位于与第二凸缘43一体设置的吸入筒8的中间吸入口143a或143b,通过凸轮环31的吸入口15a或15b或15c被吸入,在三个流体室35a、35b、35c膨胀,使转子凸轮环3旋转,一边发电一边成为低压的流体。在流体室35a、35b、35c变成低压的流体通过固定轴4的六个排出口16、两个排出孔47a、47b、连通槽7从排出盖13的排出口13a排出。

Claims (9)

1.一种旋转凸轮环流体机械,其特征在于,
包括:
机壳,
凸缘,其固定在上述机壳,
定子,其在上述机壳的内部,
转子凸轮环,其配置在上述定子的内部,该转子凸轮环在内周具有内周面,并在外周具有转子,
固定轴,其在上述转子凸轮环的内侧,该固定轴在外周面具有开口的叶片槽,并在端面设置上述凸缘,
叶片,其收容在上述固定轴的叶片槽;
由上述转子凸轮环的内周面、上述固定轴的外周面、上述叶片、上述凸缘形成流体室;
若上述转子凸轮环旋转,则上述流体室的容积增加或减少。
2.根据权利要求1所述的旋转凸轮环流体机械,其特征在于,在上述固定轴或上述凸缘或上述转子凸轮环具有吸入口或排出口。
3.根据权利要求1所述的旋转凸轮环流体机械,其特征在于,上述转子凸轮环的内周面具有圆状或圆弧状的凹部以及与上述固定轴的外周面滑动接触的线或面。
4.根据权利要求1所述的旋转凸轮环流体机械,其特征在于,上述叶片的数量比形成于上述转子凸轮环的内周面的圆弧状凹部的数量少一个。
5.根据权利要求1所述的旋转凸轮环流体机械,其特征在于,上述叶片具有槽。
6.根据权利要求1所述的旋转凸轮环流体机械,其特征在于,上述叶片槽在底部具有孔。
7.根据权利要求1所述的旋转凸轮环流体机械,其特征在于,上述转子凸轮环的内周面的与上述固定轴的外周面滑动接触的面在中央具有尖端密封件槽,上述尖端密封件槽相对于轴向倾斜。
8.根据权利要求1所述的旋转凸轮环流体机械,其特征在于,上述转子凸轮环的端面通过密封圈以密封状态与上述凸缘滑动接触。
9.根据权利要求1所述的旋转凸轮环流体机械,其特征在于,在上述转子凸轮环端面或上述凸缘具有密封圈槽,上述密封圈槽从上述转子凸轮环的轴心偏心。
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