CN110836173A - 一种新型斜盘式汽车空调压缩机 - Google Patents

一种新型斜盘式汽车空调压缩机 Download PDF

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CN110836173A
CN110836173A CN201911304081.3A CN201911304081A CN110836173A CN 110836173 A CN110836173 A CN 110836173A CN 201911304081 A CN201911304081 A CN 201911304081A CN 110836173 A CN110836173 A CN 110836173A
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compressor
swash plate
piston
main shaft
cylinder body
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桑增生
刘正斌
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/0804Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B27/0821Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block component parts, details, e.g. valves, sealings, lubrication
    • F04B27/086Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block component parts, details, e.g. valves, sealings, lubrication swash plate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/0804Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B27/0821Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block component parts, details, e.g. valves, sealings, lubrication
    • F04B27/086Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block component parts, details, e.g. valves, sealings, lubrication swash plate
    • F04B27/0865Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block component parts, details, e.g. valves, sealings, lubrication swash plate swash plate bearing means or driving axis bearing means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/14Control
    • F04B27/20Control of pumps with rotary cylinder block
    • F04B27/22Control of pumps with rotary cylinder block by varying the relative positions of a swash plate and a cylinder block

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

本发明公开了一种新型斜盘式汽车空调压缩机,属于压缩机制造技术领域,包括压缩机缸体,压缩机缸体一端通过轴承座连接压缩机主轴,压缩机主轴一端位于压缩机缸体外并与皮带轮连接,压缩机主轴的另一端伸入所述压缩机缸体内并与整体式斜盘连接,整体式斜盘包括压盘和安装在压盘内斜轴承,压盘沿周向均布有用于安装活塞体的安置槽,斜轴承一侧与驱动斜轴承转动的压缩机主轴连接,斜轴承另一侧与压缩机缸体内的球面轴的球面滚动连接。本发明通过将压盘与斜轴承设计为一体结构,优化后整体结构更加紧凑,优化后的斜轴承通过滚珠对压盘施力,压盘与斜轴承产生滚动摩擦,摩擦阻力降低,提高了压缩机的稳定性和使用寿命。

Description

一种新型斜盘式汽车空调压缩机
技术领域
本发明属于压缩机制造技术领域,具体涉及一种新型斜盘式汽车空调压缩机。
背景技术
汽车空调压缩机是制冷***的心脏,为制冷提供动力,将低压气体提升到高压气体,起着压缩和输送制冷剂蒸汽的作用,其中,应用最为广泛为斜盘式汽车空调压缩机。
现有压缩机斜盘结构同活塞盘为分体式安装,活塞盘安装在缸体底部,斜盘安装在活塞盘表面,主轴带动斜盘转动,通过活塞盘左右浮动,以实现活塞在缸体内部往复直线运动。斜盘转动过程中,斜盘与活塞盘接触为面接触,产生滑动摩擦力,摩擦阻力大,磨损较快。
发明内容
本发明的目的是提供一种新型斜盘式汽车空调压缩机,针对斜盘进行结构优化的装置,解决现有压缩机中的活塞在缸体内部往复直线运动时,斜盘与活塞盘之间滑动摩擦力的摩擦阻力较大,斜盘磨损较快的问题。
为实现上述目的,本发明采用如下技术方案:一种新型斜盘式汽车空调压缩机,包括压缩机缸体,压缩机缸体一端通过轴承座连接压缩机主轴,所述压缩机主轴一端位于压缩机缸体外并与皮带轮连接,压缩机主轴的另一端伸入所述压缩机缸体内并与整体式斜盘连接,所述整体式斜盘包括压盘和安装在压盘内斜轴承,所述压盘沿周向均布有用于安装活塞体的安置槽,所述斜轴承一侧与驱动斜轴承转动的压缩机主轴连接,斜轴承另一侧与压缩机缸体内的球面轴的球面滚动连接,球面轴的轴线与压缩机主轴轴线一致。
进一步地,所述斜轴承外圆中间槽分布一排滚珠,所述滚珠与压盘的内表面球面接触连接。
进一步地,所述压缩机主轴与斜轴承连接的一端设置连接键,所述斜轴承上设有与连接键匹配的键槽,所述压缩机主轴与斜轴承键连接。
进一步地,所述活塞体包括钢球、连杆和活塞,所述钢球设置在安装槽内,所述钢球通过连杆与一端活塞连接,所述活塞另一端伸入压缩机缸体上的活塞槽并在压盘的作用下相对活塞槽运动。
进一步地,还包括顶盖,所述顶盖与压缩缸体通过螺栓连接。
进一步地,所述球面轴通过轴套安装在压缩机主体底部内孔中。
进一步地,所述压盘沿圆周方向均布7组用于安装活塞体的安置槽。
本发明与现有技术相比,本发明的有益效果为:本发明通过将压盘与斜轴承设计为一体结构,优化后整体结构更加紧凑,容易实现小型化和轻量化,同时优化后的结构运动过程斜轴承通过滚珠对压盘施力,使压盘摆动,压盘与斜轴承产生滚动摩擦,摩擦阻力降低,能耗降低,大大提高了汽车空调压缩机的稳定性和使用寿命,另外,通过改变整体式斜盘倾斜角大小,可改变活塞有效行程,进而改变压缩机排量大小,即斜盘倾斜角度减小,活塞行程变短,压缩机排量减小,反之亦然。
附图说明
图1为本发明压缩机缸体内部结构剖面图;
图2为本发明整体式斜盘剖面图;
图3为图2中A的放大示意图;
图4为本发明整体式斜盘右视图;
图中:压缩机缸体100,活塞槽101,轴承座200,压缩机主轴300,皮带轮400,整体式斜盘500,压盘501,斜轴承502,滚珠503,球面轴600,活塞体700,钢球701,连杆702,活塞703,顶盖800,轴套900。
具体实施方式
为使本领域的技术人员对本发明更好地理解,下面结合具体实施方式对本发明做进一步说明:
如图1-4所示,一种新型斜盘式汽车空调压缩机,包括压缩机缸体100和顶盖800,顶盖800与压缩缸体100通过螺栓连接。压缩机缸体100底端通过轴承座200连接压缩机主轴300,压缩机主轴300安装在轴承座200的轴承内部,轴承外圈固定,内圈随压缩机主轴300一同转动。压缩机主轴300一端位于压缩机缸体100外并与皮带轮400连接,压缩机主轴300的另一端伸入压缩机缸体100内并与整体式斜盘500连接,整体式斜盘500包括压盘501和安装在压盘501内斜轴承502,压盘501沿周向均布有用于安装活塞体700的安置槽,活塞体700包括钢球701、连杆702和活塞703,本实施例中的压盘501沿圆周方向均布7组用于安装活塞体700的安置槽,每组安置槽内均通过钢球701与相应的活塞体700连接,钢球701锁定在压盘501的安置槽内部,可实现自由转动,钢球701通过连杆702和活塞703连接为一体。斜轴承502一侧与驱动斜轴承502转动的压缩机主轴300连接,斜轴承502另一侧与压缩机缸体100内的球面轴600的球面滚动连接,球面轴600的轴线与压缩机主轴300轴线一致,球面轴600通过轴套900安装在压缩机缸体100的底部内孔中,轴套900和球面轴600为间隙配合。
活塞体700包括钢球701、连杆702和活塞703,钢球701设置在安置槽内,钢球701通过连杆702与一端活塞703连接,活塞703另一端伸入压缩机缸体100上的活塞槽101内,并在压盘501的作用下相对活塞槽101往复直线运动。
具体的,压缩机主轴300安装在轴承座200的轴承内部,轴承外圈固定,与轴承座200为间隙配合,轴承内圈随压缩机主轴300一同转动,球面轴600的轴线同压缩机主轴300轴线保持一致,球面轴600的球面同斜轴承502为球面顶紧接触,以防止斜轴承502沿轴向窜动。压缩机主轴300与斜轴承502连接的一端设置连接键,斜轴承502上设有与连接键匹配的键槽,压缩机主轴300与斜轴承502键连接。
斜轴承502外圆中间槽分布一排滚珠503,滚珠503与压盘501的内表面球面接触连接。
压缩机主轴300带动斜轴承502一同转动,斜轴承502与滚珠503为滚动摩擦转动,斜轴承502转动时通过滚珠503顶压压盘501内表面,进而驱动整体式斜盘沿周向上下浮动,同时带动压盘501的外缘不断改变其轴向方向,进而推动活塞703在压缩机缸体100内部的活塞槽101进行往复直线运动,实现制冷剂的压缩和输送。另外,可以通过改变整体式斜盘500倾斜角大小,可改变活塞703相对活塞槽101的有效行程,进而改变压缩机排量大小,即斜盘倾斜角度减小,活塞行程变短,压缩机排量减小,反之亦然。
具体工作原理为:驱动机构带动皮带轮400转动,皮带轮400带动压缩机主轴300旋转,进而带动斜轴承502转动,斜轴承502转动时,对不同位置处的滚珠503压力不同,不同位置处的滚珠503作用压盘501上力不同,进而迫使整体式斜盘500的外缘不断改变其轴向方向,进而压盘501推带动活塞体700在活塞槽101内部进行往复直线运动。该整体式斜盘500沿圆周方向均布7组活塞体700安置槽,活塞703运动过程中,一端气体体积缩小,制冷剂被压缩,压力升高,排气阀开启,压力排出,与此同时,相对应的另一端气体体积增大,压力减小,进气阀开启,制冷剂吸入气缸,从而完成压缩机压缩、排气、吸气一个循环(图中未显示进气孔和排气孔)。
本发明通过将压盘与斜轴承设计为一体结构,优化后整体结构更加紧凑,容易实现小型化和轻量化,同时优化后的结构运动过程斜轴承通过滚珠对压盘施力,使压盘摆动,压盘与斜轴承产生滚动摩擦,摩擦阻力降低,能耗降低,大大提高了汽车空调压缩机的稳定性和使用寿命,另外,通过改变整体式斜盘倾斜角大小,可改变活塞有效行程,进而改变压缩机排量大小,即斜盘倾斜角度减小,活塞行程变短,压缩机排量减小,反之亦然。
以上所述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、改进等,均应包含在本发明的保护范围之内。

Claims (7)

1.一种新型斜盘式汽车空调压缩机,包括压缩机缸体,压缩机缸体一端通过轴承座连接压缩机主轴,其特征在于:所述压缩机主轴一端位于压缩机缸体外并与皮带轮连接,压缩机主轴的另一端伸入所述压缩机缸体内并与整体式斜盘连接,所述整体式斜盘包括压盘和安装在压盘内斜轴承,所述压盘沿周向均布有用于安装活塞体的安置槽,所述斜轴承一侧与驱动斜轴承转动的压缩机主轴连接,斜轴承另一侧与压缩机缸体内的球面轴的球面滚动连接,球面轴的轴线与压缩机主轴轴线一致。
2.如权利要求1所述的新型斜盘式汽车空调压缩机,其特征在于:所述斜轴承外圆中间槽分布一排滚珠,所述滚珠与压盘的内表面球面接触连接。
3.如权利要求2所述的新型斜盘式汽车空调压缩机,其特征在于:所述压缩机主轴与斜轴承连接的一端设置连接键,所述斜轴承上设有与连接键匹配的键槽,所述压缩机主轴与斜轴承键连接。
4.如权利要求3所述的新型斜盘式汽车空调压缩机,其特征在于:所述活塞体包括钢球、连杆和活塞,所述钢球设置在安装槽内,所述钢球通过连杆与一端活塞连接,所述活塞另一端伸入压缩机缸体上的活塞槽并在压盘的作用下相对活塞槽运动。
5.如权利要求4所述的新型斜盘式汽车空调压缩机,其特征在于:还包括顶盖,所述顶盖与压缩缸体通过螺栓连接。
6.如权利要求5所述的新型斜盘式汽车空调压缩机,其特征在于:所述球面轴通过轴套安装在压缩机主体底部内孔中。
7.如权利要求6所述的新型斜盘式汽车空调压缩机,其特征在于:所述压盘沿圆周方向均布7组用于安装活塞体的安置槽。
CN201911304081.3A 2019-12-17 2019-12-17 一种新型斜盘式汽车空调压缩机 Pending CN110836173A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112125105A (zh) * 2020-08-24 2020-12-25 杭州新马电梯有限公司 一种中分门钢带电梯

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112125105A (zh) * 2020-08-24 2020-12-25 杭州新马电梯有限公司 一种中分门钢带电梯
CN112125105B (zh) * 2020-08-24 2022-03-11 杭州新马电梯有限公司 一种中分门钢带电梯

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Application publication date: 20200225