CN109026696B - 压缩机泵体、压缩机、空调器 - Google Patents

压缩机泵体、压缩机、空调器 Download PDF

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CN109026696B
CN109026696B CN201811119409.XA CN201811119409A CN109026696B CN 109026696 B CN109026696 B CN 109026696B CN 201811119409 A CN201811119409 A CN 201811119409A CN 109026696 B CN109026696 B CN 109026696B
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compressor
flange
pump body
face
compressor pump
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CN109026696A (zh
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万鹏凯
徐嘉
孙文娇
罗发游
吴飞
赵庆富
史正良
刘锦伟
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201811119409.XA priority Critical patent/CN109026696B/zh
Priority to EP18935029.1A priority patent/EP3770435B1/en
Priority to PCT/CN2018/120674 priority patent/WO2020062602A1/zh
Priority to US17/051,628 priority patent/US11408287B2/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/08—Rotary pistons
    • F01C21/0809—Construction of vanes or vane holders
    • 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
    • F04C18/30—Rotary-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
    • F04C18/34—Rotary-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
    • F04C18/344—Rotary-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
    • F04C18/3446—Rotary-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 more than one line or surface
    • F04C18/3447—Rotary-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 more than one line or surface the vanes having the form of rollers, slippers or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/08—Rotary pistons
    • F01C21/0809—Construction of vanes or vane holders
    • F01C21/0881—Construction of vanes or vane holders the vanes consisting of two or more parts
    • 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
    • F04C18/30—Rotary-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
    • F04C18/34—Rotary-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
    • F04C18/344—Rotary-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
    • F04C18/3441—Rotary-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
    • 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
    • F04C18/30—Rotary-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
    • F04C18/34—Rotary-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
    • F04C18/344—Rotary-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
    • F04C18/3446—Rotary-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 more than one line or surface
    • 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
    • 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
    • F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet

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

Abstract

本发明提供一种压缩机泵体、压缩机、空调器。该压缩机泵体包括滑片、第一法兰、第二法兰，所述滑片包括本体，所述本体具有相对设置的第一面、第二面，所述第一面与所述第一法兰抵接，所述第二面与所述第二法兰抵接，所述第一面和/或第二面具有具有扩大部，所述第一法兰和/或第二法兰上构造有排气口，在所述滑片旋转扫掠所述排气口的过程中，所述扩大部能够阻止所述滑片在其旋转方向上的两侧经由所述排气口贯通。根据本发明的一种压缩机泵体、压缩机、空调器，通过采用具有扩大部的滑片使排气口的尺寸能够得到增大，减小排气速度及排气损失，提高压缩机能效，降低生产成本。

Description

压缩机泵体、压缩机、空调器
技术领域
本发明属于空气调节技术领域，具体涉及一种压缩机泵体、压缩机、空调器。
背景技术
现有技术中，压缩机泵体包括旋转凸轮、缸体、滑片以及上法兰、下法兰等几个部分，其中上下法兰封闭缸体的上下两端并与旋转凸轮及缸体共同形成泵体的工作腔，而处于旋转凸轮与缸体之间的滑片则将工作腔分割为独立的吸气腔(低压腔)和排气腔(高压腔)，排气腔中的被压缩的高压气体经由设置在上法兰和或下法兰上的排气口排出，为了保证所述滑片在滑动(泵体压缩)过程中，不使前述两腔发生气体串行(也即串气)，目前对于排气口的尺寸设计往往仅仅通过其在滑片旋转方向上的宽度不得超过所述滑片在其旋转方向上的厚度，而现有的滑片为了保证其具有较小的质量惯性，其厚度往往较薄，这导致相应的排气口的宽度被所述滑片具有的厚度严重制约，导致排气口的排气面积不足(将提高排气速度从而降低压缩机的能效)，而目前的解决途径则是通过在上法兰或者下法兰上设置多个排气口，而这种方式涉及到排气口结构布置问题，具体的上法兰和或下法兰上有较多的螺钉避让孔、气体通道等，都将影响多个排气口的设置位置，且将使加工成本大幅增加。
发明内容
因此，本发明要解决的技术问题在于提供一种压缩机泵体、压缩机、空调器，通过采用具有扩大部的滑片使排气口的尺寸能够得到增大，减小排气速度及排气损失，提高压缩机能效，降低生产成本。
为了解决上述问题，本发明提供一种压缩机泵体，包括滑片、第一法兰、第二法兰，所述滑片包括本体，所述本体具有相对设置的第一面、第二面，所述第一面与所述第一法兰抵接，所述第二面与所述第二法兰抵接，所述第一面和/或第二面具有具有扩大部，所述第一法兰和/或第二法兰上构造有排气口，在所述滑片旋转扫掠所述排气口的过程中，所述扩大部能够阻止所述滑片在其旋转方向上的两侧经由所述排气口贯通。
优选地，所述扩大部由所述第一面连续延伸至所述第二面。
优选地，所述本体还具有处于其旋转方向上且相对设置的第三面、第四面，所述扩大部包括凸出于所述第三面和/或第四面的凸部。
优选地，所述压缩机泵体还包括缸体，所述扩大部还包括接触部，所述接触部与所述缸体的内壁形成线接触。
优选地，所述压缩机泵体还包括旋转轮，所述旋转轮上构造有滑槽，用以容纳所述滑片并引导所述滑片的滑动，所述滑槽的开口处具有容纳部，以容纳所述扩大部。
优选地，所述扩大部与所述容纳部之间的装配间隙为δ，0＜δ≤2mm。
优选地，0.1mm≤δ≤0.5mm。
优选地，所述扩大部在所述第一法兰径向上的任一截面为圆形，所述排气口的形状为圆形。
本发明还提供一种压缩机，包括上述的压缩机泵体。
本发明还提供一种空调器，包括上述的压缩机。
本发明提供的一种压缩机泵体、压缩机、空调器，由于在所述本体上设置了扩大部，从而使所述扩大部的占据尺寸大于所述本体在其旋转方向上的厚度，这很明显能够使将设置在所述第一法兰和或第二法兰上的排气口的尺寸可以设计的更大，而无需如现有技术中那样受限于所述本体的所述厚度，如此，可以无需在所述第一法兰和或第二法兰上设置较多的小尺寸排气口而采用本技术方案中的单个或者较少数量的大尺寸排气口即可，这能够极大地降低对所述第一法兰和或第二法兰的加工难度及生产成本，由于采用该技术方案中的滑片使与其对应的排气口尺寸更大，从而能够减小排气速度及排气损失，提高压缩机能效。
附图说明
图1为本发明实施例的压缩机泵体的内部结构示意图；
图2为本发明实施例的压缩机泵体中的滑片的一种实施例的立体结构示意图；
图3为本发明实施例的压缩机泵体中的滑片的另一种实施例的立体结构示意图；
图4为本发明实施例的压缩机泵体中的旋转轮的立体结构示意图；
图5为本发明实施例的压缩机泵体中的滑片对应的排气口与现有技术中排气口(阴影部分)的对照图；
图6为本发明实施例的压缩机泵体中的滑片的又一种实施例的立体结构示意图；
图7为本发明实施例的压缩机泵体中的滑片的再一种实施例的立体结构示意图；
图8为本发明实施例的压缩机泵体中的滑片对应的排气口与现有技术中排气口(阴影部分)的对照图。
附图标记表示为：
1、滑片；10、本体；11、第一面；12、扩大部；13、第三面；14、凸部；15、接触部；2、缸体；3、第一法兰；5、旋转轮；51、滑槽；52、容纳部；S、采用本发明的滑片对应的排气口示意；P、现有技术中排气口示意。
具体实施方式
结合参见图1至图8所示，根据本发明的实施例，提供一种压缩机泵体，包括滑片1、第一法兰3、第二法兰、旋转轮5、缸体2，所述第一法兰3与所述第二法兰分别处于所述缸体2的轴向两端，从而对所述缸体2的两端进行封闭，而所述旋转轮5的外周壁与所述缸体2的内壁之间具有不等间隙，由此，所述第一法兰3、第二法兰、旋转轮5、缸体2形成所述压缩机泵体的工作腔，而所述滑片1则处于所述缸体2与所述旋转轮5之间，从而将所述工作腔分割成为两个彼此独立的高压腔(排气腔)及低压腔(吸气腔)，所述滑片1包括本体10，所述本体10具有相对设置的第一面11、第二面，所述第一面11与所述第一法兰3抵接，所述第二面与所述第二法兰抵接，所述第一面11和/或第二面具有具有扩大部12，所述第一法兰3和/或第二法兰上构造有排气口，在所述滑片1旋转扫掠所述排气口的过程中，所述扩大部12能够阻止所述滑片1在其(所述滑片1)旋转方向上的两侧经由所述排气口贯通。该技术方案中，由于在所述本体10上设置了扩大部12，从而使所述扩大部12的占据尺寸大于所述本体10在其旋转方向上的厚度，这很明显能够使将设置在所述第一法兰3和或第二法兰上的排气口的尺寸可以设计的更大(见图5或图8中所示)，而无需如现有技术中那样受限于所述本体10的所述厚度，如此，可以无需在所述第一法兰3和或第二法兰上设置较多的小尺寸排气口而采用本技术方案中的单个或者较少数量的大尺寸排气口即可，这能够极大地降低对所述第一法兰3和或第二法兰的加工难度及生产成本，由于采用该技术方案中的滑片1使与其对应的排气口尺寸更大，从而能够减小排气速度及排气损失，提高压缩机能效。
当然所述扩大部12可以设置在所述本体10处于所述旋转轮5外周壁与所述缸体2内壁之间的任意位置，而优选地，所述扩大部12设置于所述本体10朝向所述缸体2内壁的一端，从而能够很好的解决所述扩大部12的尺寸与干涉之间存在的矛盾。
所述扩大部12可以设置在所述第一面11或者第二面上，即处于所述本体10的一端侧面(如图2)，也可以设置在所述第一面11及第二面上，也即处于所述本体10的两端侧面(如图3、6)，而更为优选地，扩大部12由所述第一面11连续延伸至所述第二面，这种方式能够极大简化所述滑片1的加工制造工艺，尤其是采用车削的方式形成所述滑片1的时候。
作为所述扩大部12的一种具体实施方式，优选地，所述本体10还具有处于其旋转方向上且相对设置的第三面13、第四面，所述扩大部12包括凸出于所述第三面13和/或第四面的凸部14，也即所述凸部14即可以单独凸出于所述第三面13或者第四面，也可以同时凸出于所述第三面13及第四面，此时，其覆盖所述第一法兰3或者第二法兰的面积将更大，但将会增大对旋转轮5相应部位的加工要求。当然，所述扩大部12还包括接触部15，所述接触部15与所述压缩机泵体具有的缸体2内壁形成线接触，能够极大保证所述滑片1与缸体2之间的密封性，减少两者之间的滑动摩擦力，提高所述滑片1的使用寿命。
如上所述，所述压缩机泵体还包括旋转轮5，所述旋转轮5上构造有滑槽51，用以容纳所述滑片1并引导所述滑片1的滑动，所述滑槽51的开口处具有容纳部52，以容纳所述扩大部12。当所述压缩机泵体运转时，所述滑片1在所述滑槽51的引导下及所述旋转轮5的离心力及所述滑槽51中的高压油的作用下，将紧密抵接于所述缸体2的内壁上，且随着所述旋转轮5的旋转(旋转轮5的旋转轴心与所述缸体2的轴心偏置)，所述滑片1在所述滑槽51中往复滑动，当所述滑片1的扩大部12朝向所述旋转轮5运动时，所述扩大部12的最末端面(也即所述接触部15)最好能够嵌装于所述旋转轮5的外周壁，从而保证压缩的余隙尽可能的小，而所述的容纳部52就很好地解决了这个问题。为了在尽可能的降低压缩余隙的同时，保证装配工艺的可实现性，优选地，所述扩大部12与所述容纳部52之间的装配间隙为δ，0＜δ≤2mm，进一步的，0＜δ≤1mm，更进一步的，0.1mm≤δ≤0.5mm。
进一步地，所述扩大部12在所述第一法兰3径向上的任一截面的形状可以为任何合适的形状，如多边形、椭圆形以及无固定形状特点的异形，而优先为圆形，所述排气口的形状为圆形，采用圆形的扩大部12与相应的圆形排气口，能够极大方便对所述扩大部12及排气口的加工。
所述缸体2可以采用传统的缸体结构，亦可以采用滚动轴承来实现缸体2的功能，此时，所述滚动轴承的轴承内圈的内壁等同于所述缸体2的内壁，此时当所述压缩机泵体运转时，所述轴承内圈能够将所述滑片1的扩大部12与所述轴承内圈内壁的相对滑动转为所述轴承内圈的滚动运动，从而降低压缩机泵体的机械功耗，提高压缩机泵体及压缩机的能效。
本发明还提供一种压缩机，包括上述的压缩机泵体，通过采用具有扩大部的滑片使排气口的尺寸能够得到增大，减小排气速度及排气损失，提高压缩机能效，降低生产成本。
本发明还提供一种空调器，包括上述的压缩机，通过采用具有扩大部的滑片使排气口的尺寸能够得到增大，减小排气速度及排气损失，提高压缩机能效，降低生产成本。
本领域的技术人员容易理解的是，在不冲突的前提下，上述各有利方式可以自由地组合、叠加。
以上仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。以上仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明技术原理的前提下，还可以做出若干改进和变型，这些改进和变型也应视为本发明的保护范围。

Claims (10)

1.一种压缩机泵体，其特征在于，包括滑片（1）、第一法兰（3）、第二法兰，所述滑片（1）包括本体（10），所述本体（10）具有相对设置的第一面（11）、第二面，所述第一面（11）与所述第一法兰（3）抵接，所述第二面与所述第二法兰抵接，所述第一面（11）和/或第二面具有扩大部（12），所述第一法兰（3）和/或第二法兰上构造有排气口，在所述滑片（1）旋转扫掠所述排气口的过程中，所述扩大部（12）能够阻止所述滑片（1）在其旋转方向上的两侧经由所述排气口贯通。
2.根据权利要求1所述的压缩机泵体，其特征在于，所述扩大部（12）由所述第一面（11）连续延伸至所述第二面。
3.根据权利要求1所述的压缩机泵体，其特征在于，所述本体（10）还具有处于其旋转方向上且相对设置的第三面（13）、第四面，所述扩大部（12）包括凸出于所述第三面（13），和/或，第四面的凸部（14）。
4.根据权利要求3所述的压缩机泵体，其特征在于，还包括缸体（2），所述扩大部（12）还包括接触部（15），所述接触部（15）与所述缸体（2）的内壁形成线接触。
5.根据权利要求1所述的压缩机泵体，其特征在于，还包括旋转轮（5），所述旋转轮（5）上构造有滑槽（51），用以容纳所述滑片（1）并引导所述滑片（1）的滑动，所述滑槽（51）的开口处具有容纳部（52），以容纳所述扩大部（12）。
6.根据权利要求5所述的压缩机泵体，其特征在于，所述扩大部（12）与所述容纳部（52）之间的装配间隙为δ，0＜δ≤2mm。
7.根据权利要求6所述的压缩机泵体，其特征在于，0.1mm≤δ≤0.5mm。
8.根据权利要求1所述的压缩机泵体，其特征在于，所述扩大部（12）在所述第一法兰（3）径向上的任一截面为圆形，所述排气口的形状为圆形。
9.一种压缩机，包括压缩机泵体，其特征在于，所述压缩机泵体为权利要求1至8中任一项所述的压缩机泵体。
10.一种空调器，包括压缩机，其特征在于，所述压缩机为权利要求9中所述的压缩机。
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