CN106438443B - 自锁型汽车发动机冷却水泵用轴连轴承 - Google Patents

自锁型汽车发动机冷却水泵用轴连轴承 Download PDF

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CN106438443B
CN106438443B CN201610892648.3A CN201610892648A CN106438443B CN 106438443 B CN106438443 B CN 106438443B CN 201610892648 A CN201610892648 A CN 201610892648A CN 106438443 B CN106438443 B CN 106438443B
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inner hole
axis
housing
cover
bearing holder
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CN106438443A (zh
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蒋弼夏
段汉平
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Jiangxi Yun Jia Pump Manufacturing Co Ltd
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Jiangxi Yun Jia Pump Manufacturing Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/04Shafts or bearings, or assemblies thereof
    • F04D29/043Shafts
    • F04D29/044Arrangements for joining or assembling shafts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00Pumping cooling-air or liquid coolants
    • F01P5/10Pumping liquid coolant; Arrangements of coolant pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/04Shafts or bearings, or assemblies thereof
    • F04D29/046Bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/04Shafts or bearings, or assemblies thereof
    • F04D29/046Bearings
    • F04D29/0462Bearing cartridges

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Rolling Contact Bearings (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

本发明涉及汽车发动机冷却水泵用轴连轴承的技术领域,具体涉及一种自锁型汽车发动机冷却水泵用轴连轴承。它具有轴、轴承套,轴上左端粗径的中间部位设有滚道,轴承套上设有同轴心的内孔,内孔两端分别设有密封槽,内孔两端密封槽之间靠中间位置设有圆柱体保持架槽,靠右端密封槽处设有球槽,轴穿过内孔,轴与内孔之间设有多个圆柱体和钢球,圆柱体保持架将多个圆柱体安装在左部粗径上,钢球保持架将多个钢球对应安装在轴承套的球槽和轴的粗径的滚道内。本发明要解决现有汽车发动机冷却水泵用轴连轴承所存在的联接不可靠,噪声大,使用寿命短等问题。

Description

自锁型汽车发动机冷却水泵用轴连轴承
技术领域
本发明涉及汽车发动机冷却水泵用轴连轴承的技术领域,具体涉及一种自锁型汽车发动机冷却水泵用轴连轴承。
背景技术
现有技术汽车发动机冷却水泵用轴连轴承由于经常在120°C左右温度下高速运转,对轴的外圆表面,轴承套的内圆表面和外圆表面的制造精度要求特别高,在使用过程中由于轴承套与冷却水泵壳体上轴承孔是采用大过盈量联接方式,这种联接方式应力大,易产生水泵壳体轴承位开裂,轴承套变形,圆柱度过大,造成水泵轴连轴承与水泵壳体联接不可靠,使用精度下降,噪声大,寿命短等问题。
发明内容
本发明的目的就是要解决现有汽车发动机冷却水泵用轴连轴承所存在的联接不可靠,噪声大,使用寿命短等问题,从而提供一种自锁型汽车发动机冷却水泵用轴连轴承。
本发明为了实现上述目的,采用如下技术方案:
一种自锁型汽车发动机冷却水泵用轴连轴承,它具有轴、轴承套,轴上左端粗径的中间部位设有滚道,轴承套上设有同轴心的内孔,内孔两端分别设有密封槽,内孔两端密封槽之间靠中间位置设有圆柱体保持架槽,靠右端密封槽处设有球槽,轴穿过内孔,轴与内孔之间设有多个圆柱体和钢球,圆柱体保持架将多个圆柱体安装在左部粗径上,钢球保持架将多个钢球对应安装在轴承套的球槽和轴的粗径的滚道内。
进一步的,轴承套两端的密封槽分别各安装有一个密封圈,将润滑脂密封在里面.
进一步的,所述的轴承套上内孔中部的圆柱体保持架槽和球槽中间设有过轴心线的两圆柱销孔,圆柱销孔内间隙安装两个契型圆柱销,圆柱销大头内设有矩形小槽,矩形小槽开口方向与契型圆柱销上斜面方向垂直,矩形小槽内对应安装有孔用弹性挡圈,孔用弹性挡圈的开口方向与两圆柱销孔中心线呈垂直分布。
本发明的有益效果:
本发明与现有的汽车发动机冷却水泵用轴连轴承相比较,本发明在圆柱体和钢球之间的轴承套上对称安装两个契型圆柱销和一个开口弹性孔用挡圈,利用开口弹性孔用挡圈的弹性保证契型圆柱销在两圆柱销孔内自由伸缩,在使用本发明时不需要大过盈压装,只需在汽车发动机冷却水泵壳体上的轴承位内加工一小定位槽,采用微小过盈压装即可解决水泵轴连轴承联接不可靠,噪声大,使用寿命短等问题。
附图说明
图1为本发明的结构主视图;
图2为本发明的轴承外套结构主剖视图;
图3为本发明的契型圆柱销结构主视图。
图中:1—轴,2—密封圈,3—轴承套,4--圆柱体, 5--圆柱体保持架,6—契型圆柱销,7—孔用弹性挡圈,8--钢球,9--钢球保持架,10—滚道,11—内孔,12—粗颈,13--密封槽,14--圆柱体保持架槽,15--圆柱销孔,16—球槽,17—矩形小槽,18--圆柱销小头,19—斜面,20--圆柱销大头。
具体实施方式:
实施例:(详见图1)一种自锁型汽车发动机冷却水泵用轴连轴承,它具有轴1、轴承套3、轴1上左端粗径12的中间部位设有滚道10,轴承套3上设有同轴心的内孔11,内孔11两端分别设有密封槽13,内孔11两端密封槽13之间靠中间位置设有圆柱体保持架槽14,靠右端密封槽13处设有球槽16,轴1穿过内孔11,轴1与内孔11之间设有多个圆柱体4和钢球8,圆柱体保持架5将多个圆柱体4安装在左部粗径12上,钢球保持架9将多个钢球8对应安装在轴承套3的球槽16和轴1的粗径12的滚道10内,轴承套3两端的密封槽13分别各安装有一个密封圈2,将润滑脂密封在里面,所述的轴承套3上内孔11中部的圆柱体保持架槽14和球槽16中间设有过轴心线的两圆柱销孔15,圆柱销孔15内间隙安装两个契型圆柱销6,圆柱销大头20内设有矩形小槽17,矩形小槽17开口方向与契型圆柱销6上斜面19方向垂直,矩形小槽17内对应安装有孔用弹性挡圈7,孔用弹性挡圈7的开口方向与两圆柱销孔15中心线呈垂直分布。

Claims (1)

1.一种自锁型汽车发动机冷却水泵用轴连轴承,它具有轴(1)、轴承套(3),其特征在于:轴(1)上左端粗径(12)的中间部位设有滚道(10),轴承套(3)上设有同轴心的内孔(11),内孔(11)两端分别设有密封槽(13),内孔(11)两端密封槽(13)之间靠中间位置设有圆柱体保持架槽(14),靠右端密封槽(13)处设有球槽(16),轴(1)穿过内孔(11),轴(1)与内孔(11)之间设有多个圆柱体(4)和钢球(8),圆柱体保持架(5)将多个圆柱体(4)安装在左部粗径(12)上,钢球保持架(9)将多个钢球(8)对应安装在轴承套(3)的球槽(16)和轴(1)的粗径(12)的滚道(10)内;
轴承套(3)两端的密封槽(13)分别各安装有一个密封圈(2),将润滑脂密封在里面;
所述的轴承套(3)上内孔(11)中部的圆柱体保持架槽(14)和球槽(16)中间设有过轴心线的两圆柱销孔(15),圆柱销孔(15)内间隙安装两个契型圆柱销(6),圆柱销大头(20)内设有矩形小槽(17),矩形小槽(17)开口方向与契型圆柱销(6)上斜面(19)方向垂直,矩形小槽(17)内对应安装有孔用弹性挡圈(7),孔用弹性挡圈(7)的开口方向与两圆柱销孔(15)中心线呈垂直分布。
CN201610892648.3A 2016-10-13 2016-10-13 自锁型汽车发动机冷却水泵用轴连轴承 Active CN106438443B (zh)

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CN110030208A (zh) * 2019-03-27 2019-07-19 盐城海纳汽车零部件有限公司 一种汽车发动机用冷却水泵

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CN2763586Y (zh) * 2004-06-15 2006-03-08 唐建平 汽车发动机冷却水泵用水泵轴连轴承
CN201074589Y (zh) * 2007-07-04 2008-06-18 中国石油天然气股份有限公司 一种多用途抽油泵固定阀
CN101788008A (zh) * 2009-12-07 2010-07-28 瓦房店轴承集团有限责任公司 新型组合保持架的推力圆柱滚子轴承
CN201779126U (zh) * 2010-06-04 2011-03-30 广西玉柴机器股份有限公司 一种曲轴止推片
CN206092486U (zh) * 2016-10-13 2017-04-12 江西云嘉泵业制造有限公司 自锁型汽车发动机冷却水泵用轴连轴承

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