CN2371376Y - 双蜗室潜油泵 - Google Patents

双蜗室潜油泵 Download PDF

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Publication number
CN2371376Y
CN2371376Y CN 99226593 CN99226593U CN2371376Y CN 2371376 Y CN2371376 Y CN 2371376Y CN 99226593 CN99226593 CN 99226593 CN 99226593 U CN99226593 U CN 99226593U CN 2371376 Y CN2371376 Y CN 2371376Y
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pump
utility
pump housing
oil
model
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CN 99226593
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瞿慎康
龚政尧
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ZHEJIANG JIALI TECHNOLOGY Co Ltd
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Abstract

本实用新型属于一种双蜗室潜油泵。现有的潜油泵为单蜗室结构,泵工作时易产生震动和噪音,轴承和密封易损坏。本实用新型包括液压马达、泵体和输液管,液压马达与泵体直接连接,其特征在于泵体为双蜗室结构,并有两个相对称的泵体吐出口,输液管有两个进口和一个出口,其中两个进口分别对接于泵体吐出口。本实用新型有效的消除了单蜗室泵难以避免的径向力和轴向力,延长了轴承和密封的使用寿命,降低了震动和噪音,使泵运转平稳。

Description

双蜗室潜油泵
本实用新型涉及一种潜油泵,特别是指双蜗室潜油泵。
现有的以液压马达为原动机的卸槽用潜油泵,可在易燃、易爆和高压的环境中安全使用,并消除了泵的气阻现象,但该单蜗室结构的潜油泵在工作时产生的径向力和轴向力,使液压马达无法承受或承受能力较差,因而泵工作时易产生震动和噪音,轴承和密封易损坏。
本实用新型的目的在于提供一种能消除上述泵的径向力和轴向力,工作稳定,安全可靠,输液管两个进口直接对接于泵体吐出口的双蜗室潜油泵。
本实用新型是这样来实现的:一种双蜗室潜油泵,包括液压马达、泵体、输液管和叶轮,液压马达与泵体直接连接,其特征在于泵体为双蜗室结构,并有两个相对称的泵体吐出口;输液管有两个进口和一个出口,其中两个进口分别对接于泵体吐出口。
所述的双蜗室潜油泵,其特征在于叶轮上有呈环形圆柱体的前口环和后口环。
所述的双蜗室潜油泵,其特征在于泵体的密封室外壁上或在叶轮后盖板上开有平衡孔。
所述的双蜗室潜油泵,其特征在于输液管(1)为形状呈倒“Y”形的中空管。
本实用新型由于泵体采用了双蜗室结构,使泵体液流相互对称,输液管的两个进口分别对接于泵体吐出口,作用于叶轮上的径向力互相抵消;而叶轮则采用了双口环结构,并在叶轮后盖板上或泵体的密封室外壁上开有平衡孔,密封室的压力减少到与叶轮进口处压力基本相同,从而消除了轴向力,使泵运转平稳,延长了轴承和密封的使用寿命,降低了震动和噪音,使泵的工作更加安全可靠,提高了工效。
图1为本实用新型的结构示意图。
图2为双蜗室水平剖视图。
下面结合附图对本实用新型作进一步的说明:液压马达2直接与泵体4刚性连接,由发兰面及止口定位,叶轮5安装在液压马达2的轴9上。泵体4为双蜗室结构,并有两个相对称的泵体吐出口15,使液流相互对称,泵体相对称的两个吐出口15与输液管1的两个进口12分别连接。输液管1为形状呈倒“Y”或倒“U”形的中空管,输液管1两个进口12输入的液体汇合后从出口13输出。叶轮上有前口环7和后口环8,两口环均为环形圆柱体。后口环8、密封3及泵体4的上部构成密封室10。在泵体4的密封室10外壁上或在叶轮后盖板16上开有平衡孔11。泵盖14上部与叶轮5进口处下方为吸入室6。

Claims (4)

1、双蜗室潜油泵,包括液压马达(2)、泵体(4)、输液管(1)和叶轮(5),液压马达(2)与泵体(4)直接连接,其特征在于泵体(4)为双蜗室结构,并有两个相对称的泵体吐出口(15);输液管(1)有两个进口(12)和一个出口(13),其中两个进口(12)分别对接于泵体吐出口(15)。
2、如权利要求1所述的双蜗室潜油泵,其特征在于叶轮(5)上有呈环形圆柱体的前口环(7)和后口环(8)。
3、如权利要求1所述的双蜗室潜油泵,其特征在于泵体(4)的密封室(10)外壁上或在叶轮后盖板(16)上开有平衡孔(11)。
4、如权利要求1所述的双蜗室潜油泵,其特征在于输液管(1)为形状呈倒“Y”形的中空管。
CN 99226593 1999-05-11 1999-05-11 双蜗室潜油泵 Expired - Lifetime CN2371376Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 99226593 CN2371376Y (zh) 1999-05-11 1999-05-11 双蜗室潜油泵

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 99226593 CN2371376Y (zh) 1999-05-11 1999-05-11 双蜗室潜油泵

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CN2371376Y true CN2371376Y (zh) 2000-03-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7704061B2 (en) 2003-11-17 2010-04-27 Hitachi, Ltd. Oil pump
CN104121205A (zh) * 2014-06-27 2014-10-29 肖琼 一种液下渣浆泵

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7704061B2 (en) 2003-11-17 2010-04-27 Hitachi, Ltd. Oil pump
CN104121205A (zh) * 2014-06-27 2014-10-29 肖琼 一种液下渣浆泵

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: JIALI SCIENCE & TECHNOLOGY DEVELOPMENT CO., LTD.,

Free format text: FORMER NAME OR ADDRESS: GONG ZHENGYAO

CP03 Change of name, title or address

Address after: Industrial Zone Hangzhou city Xiaoshan District Guali town 311241

Patentee after: Zhejiang Jilali Science & Technology Development Co., Ltd.

Address before: The head of Xiaoshan city town canopy Jiali pipe oil pump manufacturing Co. Ltd. in Zhejiang Province

Patentee before: Gong Zhengyao

C56 Change in the name or address of the patentee

Owner name: ZHEJIANG JIALI TECHNOLOGY CO., LTD.

Free format text: FORMER NAME OR ADDRESS: JIALI SCIENCE + TECHNOLOGY DEVELOPMENT CO., LTD., ZHEJIANG PROV.

CP01 Change in the name or title of a patent holder

Patentee after: Zhejiang Jiali Technology Co., Ltd.

Patentee before: Zhejiang Jilali Science & Technology Development Co., Ltd.

C17 Cessation of patent right
CX01 Expiry of patent term