CN201802640U - 一种永磁式排水泵 - Google Patents

一种永磁式排水泵 Download PDF

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CN201802640U
CN201802640U CN2010205212032U CN201020521203U CN201802640U CN 201802640 U CN201802640 U CN 201802640U CN 2010205212032 U CN2010205212032 U CN 2010205212032U CN 201020521203 U CN201020521203 U CN 201020521203U CN 201802640 U CN201802640 U CN 201802640U
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王夏春
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Wuxi Haoli Pumps Industrial Co., Ltd.
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Abstract

本实用新型涉及一种永磁式排水泵。它包括永磁电机,永磁电机的邻近输出轴一端固定有泵体,永磁电机的一端与泵体一端间连接且永磁电机的输出轴伸入泵体内并固定有叶轮,与叶轮对应的泵体上有出水口。邻近输出轴外端处的泵体内表面有环形内凸起,环形内凸起与泵体另一端间有过滤器。过滤器由滤片、旋塞和支柱组成。支柱为四棱形,其相对的两个棱的两面均有横向凸齿。旋塞与泵体外端间密封配合。与环形内凸起相邻的滤片一面有纵向凸齿。滤片与旋塞之间的那段泵体上有进水口。其特点是环形内凸起上有孔。这种永磁式排水泵,无水流撞击噪声,有利于操作者的健康。适用于洗衣机、洗碗机等家用电器上。

Description

一种永磁式排水泵 
技术领域
本实用新型涉及一种水泵。具体说,是洗衣机、洗碗机等家用电器上的永磁式排水泵。 
背景技术
目前,洗衣机、洗碗机上使用的排水泵都是永磁式排水泵。这种永磁式排水包括永磁电机,永磁电机的邻近输出轴一端固定有泵体,所述泵体为管状,永磁电机的一端与泵体一端间呈密封状连接且永磁电机的输出轴伸入泵体内,永磁电机的输出轴端部固定有叶轮,与叶轮对应的泵体上有出水口。邻近输出轴外端处的泵体内表面圆周上有环形内凸起,环形内凸起与泵体另一端间有过滤器。所述过滤器由滤片、旋塞和滤片与旋塞间的支柱组成。所述支柱为四棱 形,其横截面为十字形,其相对的两个棱的两面均有凸齿。旋塞与泵体外端间呈可拆卸状密封配合。滤片与环形内凸起相邻的一面有纵向凸齿,在旋塞旋紧时,纵向凸齿与环形内凸起的一面相抵。滤片与旋塞之间的那段泵体上有进水口当将洗衣机或洗碗机内的水排至结束时,泵体内仍残留有少量水。而此时排水泵仍处于通电状态,叶轮仍在高速旋转,使得这些残留水被叶轮甩到泵体内壁上和滤片上,从而产生水流撞击噪声,不利于操作者的健康。 
实用新型内容
本实用新型要解决的问题是提供一种永磁式排水泵。这种永磁式排水泵,无水流撞击噪声,有利于操作者的健康。 
为解决上述问题,采取以下技术方案: 
本实用新型的永磁式排水泵包括永磁电机,永磁电机的邻近输出轴一端固定有泵体,所述泵体为管状,永磁电机的一端与泵体一端间呈密封状连接且永磁电机的输出轴伸入泵体内,永磁电机的输出轴端部固定有叶轮,与叶轮对应的泵体上有出水口。邻近输出轴外端处的泵体内表面圆周上有环形内凸起,环形内凸起与泵体另一端间有过滤器。所述过滤器由滤片、旋塞和滤片与旋塞间的支柱组成。所述支柱为四棱形,其横截面为十字形,其相对的两个棱的两面均有凸齿。旋塞与泵体外端间呈可拆卸状密封配合。与环形内凸起相邻的滤片一面有纵向凸齿,在旋塞旋紧时,纵向凸齿与环形内凸起的一面相抵。滤片与旋塞之间的那段泵体上有进水口。其特点是环形内凸起上有孔。 
采取上述方案,具有以下优点: 
由上述方案可以看出,由于环形内凸起上加工有孔,当将洗衣机或洗碗机内的水排至结束时,泵体内的残留水会在叶轮的作用下从环形内凸起上的孔内排出,从而避免了水流撞击噪声的发生。由于避免了水流撞击噪声的发生,避免了噪声对操作者健康的危害。 
附图说明
图1是本实用新型的永磁式排水泵结构示意图; 
图2是图1的C-C旋转剖视示意图。 
具体实施方式
如图1所示,本实用新型的永磁式排水泵包括永磁电机1和泵体6,所述泵体6为圆管状,永磁电机1的邻近输出轴一端与泵体6一端间借助螺钉3和密封圈13呈密封状连接,且永磁电机1的输出轴伸入泵体6内,永磁电机1的输出轴端部固定有叶轮12,与叶轮12对应的那段泵体6上加工有出水口4。泵体6的内圆周向加工有环形内凸起5,该环形内凸起处于邻近输出轴外端处的泵体6内表面上。环形内凸起5与泵体6另一端间设置有过滤器。所述过滤器由滤片7、旋塞10和滤片7与旋塞10间的支柱8组成。所述支柱8为四棱形,其横截面为十字形,其相对的两个棱的两面均加工有横向凸齿9,这些横向凸齿9沿棱边沿的轴向均布。旋塞10的外圆上和泵体6的外端分别加工有外螺纹和内螺纹,旋塞10与泵体6外端间借助外内螺纹可拆卸状密封配合。所述滤片7为碟形,其凹面朝向环形内凸起5,凹面的周向加工有纵向凸齿2,该纵向凸齿沿滤片7凹面的周向均布。当将旋塞10旋紧时,纵向凸齿2与环形内凸起5的一面相抵。滤片7与旋塞10之间的那段泵体6上加工有进水口11。如图2所示,环形内凸起5上加工有孔14,该孔可以是一个,也可以是两个以上。本实施例中,环形内凸起5上的孔14有四个。当环形内凸起5上的孔14为两个以上时,这些孔14沿环形内凸起5圆周的五分之一弧形线上均布。其中,环形内凸起5上的孔14与滤片7中心的间距大于滤片7的半径,以便泵体6内的残留水在叶轮12作用下能从环形内凸起5上的孔14内排出入滤片7与旋塞10之间的那段泵体6内。 

Claims (5)

1.一种永磁式排水泵,包括永磁电机(1),永磁电机(1)的邻近输出轴一端固定有泵体(6),所述泵体(6)为管状,永磁电机(1)的一端与泵体(6)一端间呈密封状连接且永磁电机(1)的输出轴伸入泵体(6)内,永磁电机(1)的输出轴端部固定有叶轮(12),与叶轮(12)对应的泵体(6)上有出水口(4);邻近输出轴外端处的泵体(6)内表面圆周上有环形内凸起(5),环形内凸起(5)与泵体(6)另一端间有过滤器;所述过滤器由滤片(7)、旋塞(10)和滤片(7)与旋塞(10)间的支柱(8)组成;所述支柱(8)为四楞形,其横截面为十字形,其相对的两个楞的两面均有横向凸齿(9);旋塞(7)与泵体(6)外端间呈可拆卸状密封配合;与环形内凸起(5)相邻的滤片(7)一面有纵向凸齿(2),在旋塞旋紧时,纵向凸齿(2)与环形内凸起(5)的一面相抵;滤片(7)与旋塞(10)之间的那段泵体(6)上有进水口(11);其特征在于环形内凸起(5)上有孔(14)。
2.根据权利要求1所述的永磁式排水泵,其特征在于环形内凸起(5)上的孔(14)至少有两个。
3.根据权利要求1所述的永磁式排水泵,其特征在于环形内凸起(5)上的孔(14)有四个。
4.根据权利要求1所述的永磁式排水泵,其特征在于环形内凸起(5)上的孔(14)与滤片(7)中心的间距大于滤片(7)的半径。
5.根据权利要求1~4中任一项所述的永磁式排水泵,其特征在于环形内凸起(5)上的孔(14)沿环形内凸起(5)圆周的五分之一弧形线上均布。
CN2010205212032U 2010-09-05 2010-09-05 一种永磁式排水泵 Expired - Lifetime CN201802640U (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102588352A (zh) * 2012-01-13 2012-07-18 无锡好力泵业有限公司 永磁式排水泵
WO2013067739A1 (zh) * 2011-11-08 2013-05-16 海尔集团公司 洗衣机排水泵装置及其洗衣机

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013067739A1 (zh) * 2011-11-08 2013-05-16 海尔集团公司 洗衣机排水泵装置及其洗衣机
JP2014532530A (ja) * 2011-11-08 2014-12-08 海爾集団公司 洗濯機用排水ポンプおよび洗濯機
US9683572B2 (en) 2011-11-08 2017-06-20 Haier Group Corporation Drainage pump device for washing machine and washing machine therewith
CN102588352A (zh) * 2012-01-13 2012-07-18 无锡好力泵业有限公司 永磁式排水泵

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