CN108916238B - 一种用于洗衣机的双列复合电机轴承 - Google Patents

一种用于洗衣机的双列复合电机轴承 Download PDF

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CN108916238B
CN108916238B CN201810687552.2A CN201810687552A CN108916238B CN 108916238 B CN108916238 B CN 108916238B CN 201810687552 A CN201810687552 A CN 201810687552A CN 108916238 B CN108916238 B CN 108916238B
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卓凡
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Chuzhou Modern Industry Investment And Development Co ltd
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Quanzhou Taiwan Investment Zone Hualin Design Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/49—Bearings with both balls and rollers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/49—Bearings with both balls and rollers
    • F16C19/492—Bearings with both balls and rollers with two or more rows with angular contact
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/38—Ball cages
    • F16C33/42—Ball cages made from wire or sheet metal strips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/46—Cages for rollers or needles
    • F16C33/4617—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
    • F16C33/4623—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/46—Cages for rollers or needles
    • F16C33/54—Cages for rollers or needles made from wire, strips, or sheet metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/46—Cages for rollers or needles
    • F16C33/56—Selection of substances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
    • F16C33/664—Retaining the liquid in or near the bearing
    • F16C33/6651—Retaining the liquid in or near the bearing in recesses or cavities provided in retainers, races or rolling elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
    • F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
    • F16C33/6681—Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the rolling elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2380/00—Electrical apparatus
    • F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

本发明公开了一种用于洗衣机的双列复合电机轴承，涉及轴承领域，其包括轴承本体，轴承本体由外向内依次设有外圈、滚动体、保持架、内圈一、内圈二和内轴套，内圈一和内圈二并列设置；滚动体包括分别设置在内圈一和内圈二外侧的圆柱滚子一和圆柱滚子二，以及分别设置在内圈一和内圈二内侧的滚珠一和滚珠二；内轴套外侧设有扣紧部，扣紧部用于固定所述内圈一和内圈二，内轴套内侧设有齿形槽，齿形槽用于将轴承本体固定在旋转轴上。本发明通过滚珠与圆柱滚子结合的设计，很好的起到增加轴承载荷的作用，良好的润滑系统和尼龙保持架的设计能大大提高轴承的最大转速，提高轴承的寿命，满足洗衣机的高强度和高速的轴承的需求。

Description

一种用于洗衣机的双列复合电机轴承
本发明是申请号：2017100088694，申请日：2017-01-06，发明名称：一种高强度洗衣机高速电机轴承的分案申请。
技术领域
本发明涉及轴承领域，尤其涉及一种用于洗衣机的双列复合电机轴承。
背景技术
随着人们对洗衣机的性能需求的提高，对洗衣机中电机的转速有了很高的要求。高转速意味着高效率，能大大节省洗衣机的洗衣时间，但是，高转速带来的轴承寿命降低的问题不容忽视，传统的轴承采用简单的外框、内框加滚子构成，滚子直接与外框、内框摩擦实现轴承的转动，因为滚子形状和材料的局限性，很难避免滚子对外框和内框的磨损，同时在很多设备中，轴承也承受较大的径向冲击，滚子很容易在轴承内框、外框上产生凹坑，影响轴承性能，缩短了轴承寿命。
随着对轴承的不断改进，如中国发明专利CN 104500564A所公开的一种耐磨高速轴承，包括内圈、外圈、滚动体，还包括磁环，磁环分为内磁环和外磁环，内磁环位于内圈外层，外圈内层设有外磁环，内磁环固定在中间的定子轴套上，内磁环与外磁环同心放置，内磁环与外磁环间设有滚动体，内磁环与外磁环相邻表面的磁性相同。但是磁性材料并不能满足高强度的需求，在超出一定强度的负载之后，存在损坏的隐患。
又如中国发明专利CN105114467A所公开的及一种用于高速电主轴的高速轴承，包括内圈、外圈、设置在内圈与外圈之间的至少一个中圈、具有包裹部的保持架以及滚珠，中圈与保持架内部分别设置有第一润滑冷却液通道与第二润滑冷却通道；内圈、外圈与中圈侧壁均设置有与滚珠相适配的凹弧槽；第一润滑冷却液通道包括径向设置在中圈两侧的若干第一通孔以及周向设置在中圈上且与第一通孔连通的导油弧槽；导油弧槽向凹弧槽的一侧倾斜；所述的第二润滑冷却通道包括设置在包裹部内的若干第二通孔以及与第二通孔径向连通至包裹部内腔的若干分叉导油孔。双层滚珠的设计大大增加了轴承出现安全问题的可能性，不利于轴承在高强度下的长时间使用。
本发明通过滚珠与圆柱滚子结合的设计，很好的起到增加轴承载荷的作用，良好的润滑系统和尼龙保持架的设计能大大提高轴承的最大转速，满足洗衣机的高强度和高速的轴承的需求。
发明内容
一、要解决的技术问题
本发明的目的是针对现有技术所存在的上述问题，特提供一种用于洗衣机的双列复合电机轴承，能很好的起到增加轴承载荷的作用，良好的润滑系统的设计能大大提高轴承的最大转速，满足洗衣机的高强度和高速的轴承的需求。
二、技术方案
为解决上述技术问题，本发明提供一种用于洗衣机的双列复合电机轴承，包括轴承本体，轴承本体由外向内依次设有外圈、滚动体、保持架、内圈一、内圈二和内轴套，内圈一和内圈二并列设置；滚动体包括分别设置在内圈一和内圈二外侧的圆柱滚子一和圆柱滚子二，以及分别设置在内圈一和内圈二内侧的滚珠一和滚珠二；内轴套外侧设有扣紧部，扣紧部用于固定内圈一和内圈二，内轴套内侧设有齿形槽，齿形槽用于将轴承本体固定在旋转轴上。本发明中双列滚珠和双列圆柱滚子的设计能让轴承在负载方面有很大的提高，能够达到高强度的需求。
其中，轴承本体还包括润滑系统，润滑系统包括位于外圈的注油孔、进油槽一和进油槽二，位于内圈一的回油槽一，位于内圈二的回油槽二，进油槽一和进油槽二为螺旋油槽；回油槽一和回油槽二连通进油槽一和进油槽二，润滑系统中油槽的设计能很好的解决轴承的润滑问题，并达到密封的效果，能够让轴承在运转过程中保持很高的转速。
其中，保持架设有圆柱滚子一兜孔、圆柱滚子二兜孔、滚珠一兜孔和滚珠二兜孔，兜孔的设计能将滚动体很好的固定在外圈与两内圈之间，并且装配起来简单方便。
其中，保持架包括第一保持架和第二保持架。第一保持架用于固定所述内圈一外侧的圆柱滚子一和内侧的滚珠一；第二保持架用于固定所述内圈二外侧的圆柱滚子二和内侧的滚珠二，并且保持架材料为尼龙，尼龙保持架的轻便能减少轴承运转过程中的振动，还能起到提高轴承承载能力以及极限转速和寿命的作用，其自润滑效果也能减少轴承转动过程中能量的磨损消耗。
其中，扣紧部形状为L形，用于固定所述内圈一和所述内圈二，齿形槽包括若干V形槽，安装起来简单方便，定位牢固。
其中，在外圈与内圈一之间设有油封一，在外圈与内圈二之间设有油封二，在外圈与内圈之间的油封能有效的保证轴承内部润滑系统的封闭性，实现轴承的高速转动。
三、有益效果
与现有技术相比，本发明通过滚珠与圆柱滚子结合的设计，很好的起到增加轴承载荷的作用，良好的润滑系统和尼龙保持架的设计能大大提高轴承的最大转速，提高轴承的寿命，满足洗衣机的高强度和高速的轴承的需求。
附图说明
图1为本发明实施例一种用于洗衣机的双列复合电机轴承主视图；
图2为图1用于洗衣机的双列复合电机轴承的内轴套立体图；
图3为图1用于洗衣机的双列复合电机轴承的保持架立体图；
图中：1为外圈；2为滚动体；3为保持架；4为内圈一；5为内圈二；6为内轴套；7为润滑系统；11为注油孔；12为进油槽一；13为进油槽二；14为回油槽一；15为回油槽二；21为圆柱滚子一；22为圆柱滚子二；23为滚珠一；24为滚珠二；31为圆柱滚子一兜孔；32为圆柱滚子二兜孔；33为滚珠一兜孔；34为滚珠二兜孔；36为第一保持架；37为第二保持架；41为油封一；42为油封二；61为齿形槽；62为扣紧部；100为轴承本体。
具体实施方式
下面结合附图和实施例，对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明，但不能用来限制本发明的范围。
本发明实施例的一种用于洗衣机的双列复合电机轴承，如图1所示，包括轴承本体100，轴承本体100由外向内依次设有外圈1、滚动体2、保持架3、内圈一4、内圈二5和内轴套6，内圈一4和内圈二5并列设置；滚动体2包括分别设置在内圈一4和内圈二5外侧的圆柱滚子一21和圆柱滚子二22，以及分别设置在内圈一4和内圈二5内侧的滚珠一23和滚珠二24；内轴套6外侧设有扣紧部62，扣紧部62用于固定内圈一4和内圈二5，内轴套6内侧设有齿形槽61，齿形槽61用于将轴承本体100固定在旋转轴上，本发明中双列滚珠和双列圆柱滚子的设计能让轴承在负载方面有很大的提高，能够达到高强度的要求；并且内轴套6的能让轴承本体100与旋转轴的联系更加稳定，使得轴承在转动过程中不会产生任何额外的动作。
其中，轴承本体100还包括润滑系统7，润滑系统7包括位于外圈1的注油孔11、进油槽一12和进油槽二13，位于内圈一4的回油槽一14，位于内圈二5的回油槽二15，进油槽一12和进油槽二13为螺旋油槽，回油槽一14和回油槽二15连通进油槽一12和进油槽二13，润滑系统中油槽的设计能很好的解决轴承的润滑问题，并达到密封的效果，能够让轴承在运转过程中保持很高的转速，润滑油从注油孔11注入，然后经过进油槽一12和进油槽二13的螺旋油孔到达滚动体2所在之处，最后通过回油槽一14和回油槽二15在轴承离心力的作用下回流到滚动体所在处，形成封闭的润滑回路，保存轴承的高速转动。
如图3所示，其中，在保持架3设有圆柱滚子一兜孔31、圆柱滚子二兜孔32、滚珠一兜孔33和滚珠二兜孔34，利用兜孔能将滚动体很好的固定在外圈与两内圈之间，并且装配起来简单方便。
其中，保持架3包括第一保持架36和第二保持架37，第一保持架36用于固定内圈一4外侧的圆柱滚子一21和内侧的滚珠一23；第二保持架37用于固定内圈二5外侧的圆柱滚子二22和内侧的滚珠二24；保持架3材料为尼龙，尼龙保持架的轻便能减少轴承运转过程中的振动，还能起到提高轴承承载能力以及极限转速和寿命的作用，其自润滑效果也能减少轴承转动过程中能量的磨损消耗。
如图2所示，其中，扣紧部62形状为L形，用于固定内圈一4和内圈二5，齿形槽61包括若干V形槽，安装起来简单方便，定位牢固。
其中，外圈1与内圈一4之间设有油封一41，外圈1与内圈二5之间设有油封二42，在外圈与内圈之间的油封能有效的保证轴承内部润滑系统的封闭性，实现轴承的高速转动。
在工作过程中，轴承会承受很强的径向载荷，因此在运转过程中很容易产生碰撞，对于轴承的寿命有较大的影响，另一方面还会影响轴承的转速，本发明的用于洗衣机的双列复合电机轴承能很好的利用两列滚珠与两列圆柱滚子的设计，大大提高轴承的承载能力，即使其中一部分滚动体碰到磨损的情况，也能很好的保持工作状态稳定。并且润滑系统7作为一个完整的密封润滑系统，能大大提高轴承的转动速度，尼龙保持架3的使用使得轴承带有自润滑的效果，从而有效的延长轴承的使用寿命，实现提高轴承强度以及转速的效果。
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润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (1)

1.一种用于洗衣机的双列复合电机轴承，包括轴承本体(100)，其特征在于：所述轴承本体(100)由外向内依次设有外圈(1)、滚动体(2)、保持架(3)、内圈一(4)、内圈二(5)和内轴套(6)，所述内圈一(4)和内圈二(5)并列设置；所述滚动体(2)包括分别设置在内圈一(4)和内圈二(5)外侧的圆柱滚子一(21)和圆柱滚子二(22)，以及分别设置在内圈一(4)和内圈二(5)内侧的滚珠一(23)和滚珠二(24)；所述内轴套(6)外侧设有扣紧部(62)，所述扣紧部(62)用于固定所述内圈一(4)和所述内圈二(5)，所述内轴套(6)内侧设有齿形槽(61)，所述齿形槽(61)用于将轴承本体(100)固定在旋转轴上；
所述轴承本体(100)还包括润滑系统(7)，所述润滑系统(7)包括位于所述外圈(1)的注油孔(11)、进油槽一(12)和进油槽二(13)，位于内圈一(4)的回油槽一(14)，位于内圈二(5)的回油槽二(15)，所述进油槽一(12)和进油槽二(13)为螺旋油槽；所述回油槽一(14)和回油槽二(15)连通进油槽一(12)和进油槽二(13)；
所述保持架(3)设有圆柱滚子一兜孔(31)、圆柱滚子二兜孔(32)、滚珠一兜孔(33)和滚珠二兜孔(34)；
所述保持架(3)包括第一保持架(36)和第二保持架(37)；所述第一保持架(36)用于固定所述内圈一(4)外侧的圆柱滚子一(21)和内侧的滚珠一(23)；所述第二保持架(37)用于固定所述内圈二(5)外侧的圆柱滚子二(22)和内侧的滚珠二(24)；
所述扣紧部(62)形状为L形，用于固定所述内圈一(4)和所述内圈二(5)；所述外圈(1)与内圈一(4)之间设有油封一(41)，所述外圈(1)与内圈二(5)之间设有油封二(42)；
所述齿形槽(61)包括若干V形槽；所述保持架(3)材料为尼龙。
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