CN113464556B - 具有保持架的深沟球轴承 - Google Patents

具有保持架的深沟球轴承 Download PDF

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CN113464556B
CN113464556B CN202110736974.6A CN202110736974A CN113464556B CN 113464556 B CN113464556 B CN 113464556B CN 202110736974 A CN202110736974 A CN 202110736974A CN 113464556 B CN113464556 B CN 113464556B
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groove
frame body
pocket
plug connector
ball bearing
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CN113464556A (zh
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白雪峰
徐家良
刘利钊
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C&U Co Ltd
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C&U Co Ltd
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Priority to EP21944421.3A priority patent/EP4151874A4/en
Priority to PCT/CN2021/118719 priority patent/WO2023272954A1/zh
Priority to JP2022579045A priority patent/JP7429312B2/ja
Priority to US18/008,678 priority patent/US11867231B2/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • 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
    • F16C33/3837—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages
    • F16C33/3862—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages comprising two annular parts joined together
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • 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
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F16C33/3875—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages comprising two annular parts joined together made from plastic, e.g. two injection moulded parts joined by a snap fit
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Abstract

本发明公开了一种具有保持架的深沟球轴承，包括外圈、内圈、保持架和钢球，所述保持架设置在外圈与内圈之间，所述保持架上设置有兜孔，所述钢球设置在兜孔中，所述架体分体设置形成有上架体和下架体，所述上架体和下架体上均间隔设置有兜槽，所述上架体和下架体上的兜槽对应组合形成兜孔，所述上架体于相邻兜槽之间设置有连接台，所述下架体于相邻兜槽之间设置有定位台，所述连接台与定位台之间设置有插接件和插接槽，所述插接件与插接槽相固定形成上架体与下架体的固定连接。其结构简单，整体结构安装便捷，具有更高的稳定性，提高整体结构的使用效果和生产加工效率。

Description

具有保持架的深沟球轴承
技术领域
本发明涉及轴承技术领域，尤其是一种具有保持架的深沟球轴承。
背景技术
由于新能源汽车驱动电机取代了传统燃油汽车的发动机，驱动电机成为新能源汽车的关键零部件，其相对于常规的电机通常要求：瞬时功率大、过载能力强、变速范围大，并能适应频繁启动、停止、加速、减速，低速爬坡是要求高转矩、高速行驶时要求低转矩。正是由于驱动电机的这些特性，决定了驱动电机轴承要比一般轴承的性能要求要高，要求其具备高速性能、急变速性、低力矩、低噪音、低温升、长寿命等性能。为了满足新能源汽车的急加速特性，具有较高转速性能的深沟球轴承常配套于驱动电机中。深沟球轴承中设置有保持架，保持架装配于内圈和外圈滚道之间，保持架通常具备环状主体结构和沿圆周均匀分布的球兜孔。球兜孔通常采用和球轴承的滚动体类似且曲率半径略大的凹球状面，并且在保持架主体的内径面和外径面分别开口。但是在使用过程中，在急加速或急减速的高速工况下，容易产生较高的温升，使得保持架出现融化裂解，以及保持架在兜孔或者其它位置容易产生冲击断裂，降低保持架整体的使用效果，同时现有的保持架组装生产不便，不利于提高生产加工效率。
发明内容
针对现有技术的不足，本发明提供了一种具有保持架的深沟球轴承，其结构简单，整体结构安装便捷，具有更高的稳定性，提高整体结构的使用效果和生产加工效率。
为实现上述目的，本发明提供了一种具有保持架的深沟球轴承，包括外圈、内圈、保持架和钢球，所述保持架设置在外圈与内圈之间，所述保持架上设置有兜孔，所述钢球设置在兜孔中，其特征在于：所述架体分体设置形成有上架体和下架体，所述上架体和下架体上均间隔设置有兜槽，所述上架体和下架体上的兜槽对应组合形成兜孔，所述上架体于相邻兜槽之间设置有连接台，所述下架体于相邻兜槽之间设置有定位台，所述连接台与定位台之间设置有插接件和插接槽，所述插接件与插接槽相固定形成上架体与下架体的固定连接。
这样设置的有益效果是：这样设置，采用这种结构，保持架可以上下分开形成上架体和下架体，通过上架体和下架体可以便于钢珠的安装放置，并且两个架体通过连接件进行连接，连接便捷高效，同时结构简单，作为优选材料，分架体使用注塑材料，通常为PA66加上玻璃纤维、PA46加上玻璃纤维、PEEK加上玻璃纤维等材料，保证保持架的强度，同时结构质量较轻，便于维持轴承的稳定性，提高使用效果。
作为本发明的进一步设置，所述插接槽设置在下架体定位台上，所述插接槽中形成有隆起块，所述插接件设置在上架体连接台上，所述插接件端部形成有卡接块，所述卡接块卡设在隆起块与插接槽底面之间。
这样设置的有益效果是：这样设置，上架体和下架体通过插接件与插接槽的插接配合，同时插接件上卡接块会与隆起块相抵接，避免两者松脱，同时结构简单，连接便捷高效，
作为本发明的进一步设置，所述隆起块靠近插接槽插入口设置，所述隆起块与卡接块的接触面呈弧形面设置。
这样设置的有益效果是：这样设置，使得卡接块的卡接更为顺畅，提高安装生产的流畅性，提高生产加工效率。
作为本发明的进一步设置，所述插接件两侧形成有定位片，所述定位片弹性设置，所述插接槽对应定位片位置开设有容置槽。
这样设置的有益效果是：这样设置，可以使得两个分架体的连接更为紧密，不易发生松脱，同时通过定位片，在受到驱使两个分架体分离的力时，定位片可以提供反作用力，避免裂解，提高整体结构的稳定性。
作为本发明的进一步设置，所述插接槽通过容置槽与兜槽连通设置，所述容置槽中设置有储油棉。
这样设置的有益效果是：由于插接槽与兜槽连通，同时容置槽中设置有储油棉，在完成分架体的安装后，插接件两侧的定位片会卡入容置槽中，同时抵触储油棉，将储油棉抵触在钢球上，使得储油棉存储的润滑油液可以涂布在钢球上，从而起到对钢球的润滑降温，从而有效延长整体结构的使用寿命。
作为本发明的进一步设置，所述插接槽设置在下架体定位台上，所述插接件设置在上架体连接台上，所述插接件设置为两个连接臂，所述连接臂一端与连接台连接，另一端设置有卡钩，所述连接臂穿过插接槽设置，所述卡钩钩设在定位台外壁上。
这样设置的有益效果是：这样设置，连接臂连接更为紧固，增加整体的稳定性，同时双臂结构，不易发生松动，提高整体结构的使用效果。
作为本发明的进一步设置，所述卡钩呈楔形设置，所述卡钩与插接槽的接触面呈斜面设置。
这样设置的有益效果是：这样设置，将连接臂设置成这种结构，结构简单，连接效果好，同时卡钩与连接孔的接触面呈斜面设置，使得插入具有良好的引导效果，提升卡接效果，同时结构简单，利于实现。
作为本发明的进一步设置，两连接臂之间设置有连接桥。
这样设置的有益效果是：这样设置，使得连接臂的强度更高，不易发生变形，同时便于插入组装，提高整体结构的使用效果。
作为本发明的进一步设置，所述上架体上连接台矮于兜槽底面设置，所述卡钩长度小于连接台与兜槽底面距离差设置。
这样设置的有益效果是：这样设置，使得保持架整体结构布局更为合理，不会在安装时与防尘盖结构发生干扰，使得整体结构安装更为紧凑，提高整体结构使用的稳定性。
作为本发明的进一步设置，所述外圈内壁形成有第一连接台阶，所述内圈外壁形成有第二连接台阶，所述第一连接台阶与第二连接台阶之间卡设有防尘盖。
这样设置的有益效果是：保证对钢珠的遮蔽，提高整体结构的使用效果，同时结构简单，利于实现，有效避免润滑油液的渗漏，增加整体的润滑效果，同时结构简单，利于实现。
附图说明
图1为本发明第一个实施例和第二个实施例的爆炸结构示意图；
图2为本发明第二个实施例中上架体的结构示意图；
图3为本发明第一个实施例和第二个实施例中下架体的结构示意图；
图4为本发明第三个实施例和第五个实施例的爆炸结构示意图；
图5为本发明第三个实施例、第四个实施例和第五个实施例中保持架的结构示意图；
图6为本发明第三个实施例、第四个实施例和第五个实施例中上架体的结构示意图；
图7为本发明第三个实施例和第四个实施例中连接臂的局部放大图；
图8为本发明第五个实施例中连接臂的局部放大图；
图9为本发明第四个实施例的爆炸结构示意图。
具体实施方式
本发明具有保持架的深沟球轴承的第一个实施例如图1、图3所示：包括外圈2、内圈1、保持架和钢球，所述保持架设置在外圈2与内圈1之间，所述保持架上设置有兜孔，所述钢球设置在兜孔中，所述架体分体设置形成有上架体4和下架体3，所述上架体4和下架体3上均间隔设置有兜槽41，所述上架体4和下架体3上的兜槽41对应组合形成兜孔，所述上架体4于相邻兜槽41之间设置有连接台42，所述下架体3于相邻兜槽41之间设置有定位台31，所述连接台42与定位台31之间设置有插接件43和插接槽32，所述插接件43与插接槽32相固定形成上架体4与下架体3的固定连接。所述插接槽32设置在下架体3定位台31上，所述插接槽32中形成有隆起块33，所述插接件43设置在上架体4连接台42上，所述插接件43端部形成有卡接块44，所述卡接块44卡设在隆起块33与插接槽32底面之间。所述隆起块33靠近插接槽32插入口设置，所述隆起块33与卡接块44的接触面呈弧形面设置。所述外圈2内壁形成有第一连接台阶，所述内圈1外壁形成有第二连接台阶11，所述第一连接台阶与第二连接台阶11之间卡设有防尘盖5。
本发明具有保持架的深沟球轴承的第二个实施例如图1至图3所示：包括外圈2、内圈1、保持架和钢球，所述保持架设置在外圈2与内圈1之间，所述保持架上设置有兜孔，所述钢球设置在兜孔中，所述架体分体设置形成有上架体4和下架体3，所述上架体4和下架体3上均间隔设置有兜槽41，所述上架体4和下架体3上的兜槽41对应组合形成兜孔，所述上架体4于相邻兜槽41之间设置有连接台42，所述下架体3于相邻兜槽41之间设置有定位台31，所述连接台42与定位台31之间设置有插接件43和插接槽32，所述插接件43与插接槽32相固定形成上架体4与下架体3的固定连接。所述插接槽32设置在下架体3定位台31上，所述插接槽32中形成有隆起块33，所述插接件43设置在上架体4连接台42上，所述插接件43端部形成有卡接块44，所述卡接块44卡设在隆起块33与插接槽32底面之间。所述隆起块33靠近插接槽32插入口设置，所述隆起块33与卡接块44的接触面呈弧形面设置。所述插接件43两侧形成有定位片45，所述定位片45弹性设置，所述插接槽32对应定位片45位置开设有容置槽34。所述插接槽32通过容置槽34与兜槽41连通设置，所述容置槽34中设置有储油棉。所述外圈2内壁形成有第一连接台阶，所述内圈1外壁形成有第二连接台阶11，所述第一连接台阶与第二连接台阶11之间卡设有防尘盖5。
本发明具有保持架的深沟球轴承的第三个实施例如图4至图7所示：包括外圈2、内圈1、保持架和钢球，所述保持架设置在外圈2与内圈1之间，所述保持架上设置有兜孔，所述钢球设置在兜孔中，所述架体分体设置形成有上架体4和下架体3，所述上架体4和下架体3上均间隔设置有兜槽41，所述上架体4和下架体3上的兜槽41对应组合形成兜孔，所述上架体4于相邻兜槽41之间设置有连接台42，所述下架体3于相邻兜槽41之间设置有定位台31，所述连接台42与定位台31之间设置有插接件43和插接槽32，所述插接件43与插接槽32相固定形成上架体4与下架体3的固定连接。所述插接槽32设置在下架体3定位台31上，所述插接件43设置在上架体4连接台42上，所述插接件43设置为两个连接臂46，所述连接臂46一端与连接台42连接，另一端设置有卡钩47，所述连接臂46穿过插接槽32设置，所述卡钩47钩设在定位台31外壁上。所述卡钩47呈楔形设置，所述卡钩47与插接槽32的接触面呈斜面设置。两连接臂46之间设置有连接桥48。所述上架体4上连接台42矮于兜槽41底面设置，所述卡钩47长度小于连接台42与兜槽41底面距离差设置。所述外圈2内壁形成有第一连接台阶，所述内圈1外壁形成有第二连接台阶11，所述第一连接台阶与第二连接台阶11之间卡设有防尘盖5。
本发明具有保持架的深沟球轴承的第四个实施例如图5、图6和图9所示：包括外圈2、内圈1、保持架和钢球，所述保持架设置在外圈2与内圈1之间，所述保持架上设置有兜孔，所述钢球设置在兜孔中，所述架体分体设置形成有上架体4和下架体3，所述上架体4和下架体3上均间隔设置有兜槽41，所述上架体4和下架体3上的兜槽41对应组合形成兜孔，所述上架体4于相邻兜槽41之间设置有连接台42，所述下架体3于相邻兜槽41之间设置有定位台31，所述连接台42与定位台31之间设置有插接件43和插接槽32，所述插接件43与插接槽32相固定形成上架体4与下架体3的固定连接。所述插接槽32设置在下架体3定位台31上，所述插接件43设置在上架体4连接台42上，所述插接件43设置为两个连接臂46，所述连接臂46一端与连接台42连接，另一端设置有卡钩47，所述连接臂46穿过插接槽32设置，所述卡钩47钩设在定位台31外壁上。所述卡钩47呈楔形设置，所述卡钩47与插接槽32的接触面呈斜面设置。两连接臂46之间设置有连接桥48。所述上架体4上连接台42矮于兜槽41底面设置，所述卡钩47长度小于连接台42与兜槽41底面距离差设置。
本发明具有保持架的深沟球轴承的第五个实施例如图4、图5、图6和图8所示：包括外圈2、内圈1、保持架和钢球，所述保持架设置在外圈2与内圈1之间，所述保持架上设置有兜孔，所述钢球设置在兜孔中，所述架体分体设置形成有上架体4和下架体3，所述上架体4和下架体3上均间隔设置有兜槽41，所述上架体4和下架体3上的兜槽41对应组合形成兜孔，所述上架体4于相邻兜槽41之间设置有连接台42，所述下架体3于相邻兜槽41之间设置有定位台31，所述连接台42与定位台31之间设置有插接件43和插接槽32，所述插接件43与插接槽32相固定形成上架体4与下架体3的固定连接。所述插接槽32设置在下架体3定位台31上，所述插接件43设置在上架体4连接台42上，所述插接件43设置为两个连接臂46，所述连接臂46一端与连接台42连接，另一端设置有卡钩47，所述连接臂46穿过插接槽32设置，所述卡钩47钩设在定位台31外壁上。所述卡钩47呈楔形设置，所述卡钩47与插接槽32的接触面呈斜面设置。所述上架体4上连接台42矮于兜槽41底面设置，所述卡钩47长度小于连接台42与兜槽41底面距离差设置。所述外圈2内壁形成有第一连接台阶，所述内圈1外壁形成有第二连接台阶11，所述第一连接台阶与第二连接台阶11之间卡设有防尘盖5。(爪扣结构无连接桥48)
以上实例，只是本发明优选地具体实例的一种，本领域技术人员在本发明技术方案范围内进行的通常变化和替换都包含在本发明的保护范围内。

Claims (6)

1.一种具有保持架的深沟球轴承，包括外圈、内圈、保持架和钢球，所述保持架设置在外圈与内圈之间，所述保持架上设置有兜孔，所述钢球设置在兜孔中，其特征在于：架体分体设置形成有上架体和下架体，所述上架体和下架体上均间隔设置有兜槽，所述上架体和下架体上的兜槽对应组合形成兜孔，所述上架体于相邻兜槽之间设置有连接台，所述下架体于相邻兜槽之间设置有定位台，所述连接台与定位台之间设置有插接件和插接槽，所述插接件与插接槽相固定形成上架体与下架体的固定连接，所述插接槽设置在下架体定位台上，所述插接槽中形成有隆起块，所述插接件设置在上架体连接台上，所述插接件端部形成有卡接块，所述卡接块卡设在隆起块与插接槽底面之间，所述隆起块靠近插接槽插入口设置，所述隆起块与卡接块的接触面呈弧形面设置，所述插接件两侧形成有定位片，所述定位片弹性设置，所述插接槽对应定位片位置开设有容置槽，所述插接槽通过容置槽与兜槽连通设置，所述容置槽中设置有储油棉。
2.根据权利要求1所述的具有保持架的深沟球轴承，其特征在于：所述插接槽设置在下架体定位台上，所述插接件设置在上架体连接台上，所述插接件设置为两个连接臂，所述连接臂一端与连接台连接，另一端设置有卡钩，所述连接臂穿过插接槽设置，所述卡钩钩设在定位台外壁上。
3.根据权利要求2所述的具有保持架的深沟球轴承，其特征在于：所述卡钩呈楔形设置，所述卡钩与插接槽的接触面呈斜面设置。
4.根据权利要求3所述的具有保持架的深沟球轴承，其特征在于：两连接臂之间设置有连接桥。
5.根据权利要求4所述的具有保持架的深沟球轴承，其特征在于：所述上架体上连接台矮于兜槽底面设置，所述卡钩长度小于连接台与兜槽底面距离差设置。
6.根据权利要求1所述的具有保持架的深沟球轴承，其特征在于：所述外圈内壁形成有第一连接台阶，所述内圈外壁形成有第二连接台阶，所述第一连接台阶与第二连接台阶之间卡设有防尘盖。
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