CN103511630B - 一种高速电机用密封圈 - Google Patents

一种高速电机用密封圈 Download PDF

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Publication number
CN103511630B
CN103511630B CN201310098123.9A CN201310098123A CN103511630B CN 103511630 B CN103511630 B CN 103511630B CN 201310098123 A CN201310098123 A CN 201310098123A CN 103511630 B CN103511630 B CN 103511630B
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sealing ring
axle
sealing
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inner circle
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CN103511630A (zh
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李培德
李乐水
李贤明
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Dongguan Delong seal Co.,Ltd.
Guangdong Gaohang Intellectual Property Operation Co ltd
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Zibo High-Tech Zone Chengda Machinery Design Institute
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Abstract

本发明提供了一种密封圈，尤其是一种结构简单，密封效果好的高速电机用密封圈。本发明高速电机用密封圈其特殊之处在于：该密封圈用橡胶制作，整体形状为扁平形圆圈，两端面和外圆很光滑，壳体和盖板与密封圈的接触面也要求很光滑，并且是小间隙配合，内圆与轴接触处做成两个尖角，内圆尖角处与轴之间有一定的过盈量，将密封圈两端的灰尘和油雾隔开，起到密封作用。由于密封圈整体不是同定不动的，内圆的两个尖角与轴过盈配合，其抱紧力不是很大，与轴的接触面积也不大，不会产生很大的摩擦力引起发热，也不会因抱的过紧而随轴一起旋转，在轴高速旋转时，密封圈与轴之间一直处于一种似接触非接触的浮动状态，在密封圈随轴轻微转动时不会将密封圈卡住。密封圈内圈处两个尖角之间有圆弧形拱起，既可以储存润滑油降低摩擦力又可以减小抱紧力，在轴高速旋转时既能起到密封作用又不会因摩擦过热烧坏。

Description

一种高速电机用密封圈
(一)技术领域
本发明涉及一种密封圈，尤其是一种结构简单，密封效果好的高速电机用密封圈。
(二)背景技术
现有的各种形状的电机用密封圈，大都结构比较复杂，制造成本较高，制造工艺复杂，而且普遍存在密封效果不理想的缺点，特别是在高速电机上使用时容易与轴摩擦发热并烧毁。
(三)发明内容
本发明为了弥补现有技术的不足，提供了一种制造简单、成本低廉、密封效果好，而且不会与轴摩擦发热的全新结构的电机用密封圈。特别适合高速电机使用。
本发明是通过以下技术方案实现的：
本发明高速电机用密封圈其特殊之处在于：该密封圈用橡胶制作，整体形状为扁平形圆圈，两端面和外圆很光滑，内圆与轴接触处做成两个尖角，内圆尖角处与轴之间有一定的过盈量，将密封圈两端的灰尘和油雾隔开，起到密封作用。
本发明的有益效果是：由于密封圈整体不是固定不动的，内圆的两个尖角与轴过盈配合，其抱紧力不是很大，与轴的接触面积也不大，不会产生很大的摩擦力引起发热，也不会因抱的过紧而随轴一起旋转，在轴高速旋转时，密封圈与轴之间一直处于一种似接触非接触的浮动状态。
(四)附图说明
附图为本发明高速电机用密封圈的装配图形
其中：1壳体，2密封圈，3盖板，4轴。
(五)具体实施方式
如图所示为本发明高速电机用密封圈的一种具体实施例。包括壳体(1)，密封圈(2)，盖板(3)，轴(4)。壳体和盖板与密封圈的接触面要求很光滑，并且是小间隙配合，在密封圈随轴轻微转动时不会将密封圈卡住。密封圈内圈处两个尖角之间有圆弧形拱起，既可以储存润滑油降低摩擦力又可以减小抱紧力，在轴高速旋转时既能起到密封作用又不会因摩擦过热烧坏。

Claims (1)

1.一种高速电机用密封圈，其特征是该密封圈是用橡胶制作的，整体形状为扁平形圆圈，其内圆与轴接触处有左右两个尖角，尖角之间有圆弧形拱起，既可以储存润滑油降低摩擦力又可以减小抱紧力，两端面和外圆很光滑，同时要求壳体和盖板与密封圈的接触面也很光滑，并且是小间隙配合，密封圈在壳体内不是固定不动的，其内圆与轴接触处的左右两个尖角与轴过盈配合，但其抱紧力不是很大，与轴的接触面积也不是很大，轴高速旋转时，密封圈只会轻微转动，密封圈与轴之间一直处于一种似接触非接触的浮动状态，既起到密封作用又不会因为摩擦过热而烧坏。
CN201310098123.9A 2013-03-26 2013-03-26 一种高速电机用密封圈 Expired - Fee Related CN103511630B (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106439031A (zh) * 2016-11-18 2017-02-22 北京淘氪科技有限公司 空气净化器及其密封装置

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DE4327929A1 (de) * 1993-08-19 1995-02-23 Bruss Dichtungstechnik Abdichtung für die Führungshülse des Ausrücklagers einer Kupplung
JPH10220593A (ja) * 1997-02-03 1998-08-21 Koyo Seiko Co Ltd ウォ−タポンプの密封装置
JP2006258234A (ja) * 2005-03-18 2006-09-28 Nippon Koyu Ltd 潤滑剤密封装置
JP5326265B2 (ja) * 2007-09-26 2013-10-30 Ｎｏｋ株式会社 密封装置
CN101169205A (zh) * 2007-11-19 2008-04-30 韶关液压件厂有限公司 一种高压、高速旋转接头
CN201787074U (zh) * 2010-02-10 2011-04-06 苏州特谱风能技术有限公司 一种用于风力发电机组齿轮箱高速轴承的密封圈组件
CN201668292U (zh) * 2010-05-21 2010-12-15 美的集团有限公司 一种新型豆浆机
CN201683747U (zh) * 2010-06-02 2010-12-29 美的集团有限公司 一种豆浆机头的密封结构
JP2013044363A (ja) * 2011-08-23 2013-03-04 Jtekt Corp 転がり軸受

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