CN101560989B - 护轴套 - Google Patents

护轴套 Download PDF

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Publication number
CN101560989B
CN101560989B CN2008100237238A CN200810023723A CN101560989B CN 101560989 B CN101560989 B CN 101560989B CN 2008100237238 A CN2008100237238 A CN 2008100237238A CN 200810023723 A CN200810023723 A CN 200810023723A CN 101560989 B CN101560989 B CN 101560989B
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China
Prior art keywords
pump shaft
sleeve
shaft sleeve
pump
connecting sleeve
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Expired - Fee Related
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CN2008100237238A
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CN101560989A (zh
Inventor
黄佳华
王明琪
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Jiangsu Haitian Technology Co Ltd
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Individual
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Abstract

本发明涉及到一种护轴套，它是由泵轴套、连接套所组成，通过将泵轴套的内径加工成与泵轴按正常配合尺寸公差配合，以及将连接套的外径加工成与轴套内径按正常的尺寸公差配合，可以最大限度地将磁力泵在不同温差下所产生的变形量转递到护轴套上，从而避免产品的热胀冷缩给产品的安装和使用带来的困难，节约了生产成本，提高了功效。

Description

护轴套
技术领域：
本发明涉及到一种磁力驱动泵上使用的护轴套。
背景技术：
在磁力驱动泵的泵轴与轴套的生产加工过程中，由于输送的介质温度不同，泵轴与轴套之间的配合间隙是不一样，而这样的加工尺寸精度很难控制，必须精确地测量出磁力泵所工作的环境温度，所产生的热胀冷缩的余量，且这类零件无法作为通用件进行互换、安装，发配件时很容易弄错，从而影响到泵的正常运转，若采用同一配合尺寸，常温时运行稳定、高温时泵轴与轴套的热膨胀率不一致，导致泵轴与轴套之间的配合间隙增大，从而使得泵运行很不稳定，影响泵的使用寿命。若采用高温时的膨胀系数设计泵轴与轴套之间的配合间隙，泵在常温下就很难装配，且轴套的材质通常为硬质合金或碳化硅，在装配时很容易碎裂，还有部分生产厂家采用弹簧胀环或弹簧胀套的方法，但生产和加工弹簧胀环和弹簧胀套比较困难，需要线切割机床加工或专用模具冲压后滚压成型，且尺寸很难控制和测量，装配和更换都比较麻烦。
发明内容：
本发明的目的就是要提供一种护轴套，它能很好地克服以上产品在安装和使用的过程中所产生的缺陷。本发明的目的是这样实现的，护轴套是由泵轴套和连接套所组成，其特征在于：所述的泵轴套设计在连接套的两端，泵轴套的内径与泵轴按正常配合尺寸公差配合；所述的连接套内径大于泵轴直径，连接套的外径与轴套的内径按正常配合尺寸公差配合。本发明结构简单、维修、更换方便快捷，可以在不同的工作环境下使用，大大提高了产品的使用寿命。
附图说明：
图1是本发明结构示意图；
1.泵轴套，2.泵轴，3.连接套，4.轴套。
具体实施方式；
下面结合附图对本发明作进一步说明；
在图中，护轴套是由泵轴套1和连接套3所组成，其特征在于：所述的泵轴套1设计在连接套3的两端，泵轴套1的内径与泵轴2按正常配合尺寸公差配合；所述的连接套3内径大于泵轴2直径，连接套3的外径与轴套4的内径按正常配合尺寸公差配合。具体实施时，将护轴套设计为：泵轴套两端用适当一段长度与泵轴按正常配合尺寸公差配合，中间较长的一端连接套与轴套按正常配合尺寸公差配合，径向壁厚设计较薄。当磁力泵在高温液体中使用时，泵轴与轴套因热膨胀系数不同而产生的不同变形量均可以通过护轴套承受，而不影响泵轴与轴套的设计尺寸和使用寿命，从而确保了泵的运行寿命，采用该种结构装置可以作为泵的通用件进行相互互换、使用，可以大大降低产品的生产成本。

Claims (1)

1.一种护轴套，该护轴套是由泵轴套(1)和连接套(3)所组成，其特征在于：所述的泵轴套(1)设计在连接套(3)的两端，泵轴套(1)的内径与泵轴(2)按正常配合尺寸公差配合；所述的连接套(3)内径大于泵轴(2)直径，连接套(3)的外径与轴套(4)的内径按正常配合尺寸公差配合。
CN2008100237238A 2008-04-17 2008-04-17 护轴套 Expired - Fee Related CN101560989B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008100237238A CN101560989B (zh) 2008-04-17 2008-04-17 护轴套

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2008100237238A CN101560989B (zh) 2008-04-17 2008-04-17 护轴套

Publications (2)

Publication Number Publication Date
CN101560989A CN101560989A (zh) 2009-10-21
CN101560989B true CN101560989B (zh) 2011-04-13

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ID=41219923

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CN2008100237238A Expired - Fee Related CN101560989B (zh) 2008-04-17 2008-04-17 护轴套

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CN (1) CN101560989B (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103291601B (zh) * 2012-02-29 2016-05-04 黄佳华 低温磁力泵专用滑动轴承座
CN107143516A (zh) * 2017-06-28 2017-09-08 江苏海天科技有限公司 一种弹性护轴套

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2575361Y (zh) * 2002-10-26 2003-09-24 大连海密梯克密封泵有限公司 碳化硅滑动轴承用轴套
CN2703904Y (zh) * 2004-06-22 2005-06-08 杭州大路实业有限公司 一种磁力传动泵轴系结构组件
WO2006132535A1 (en) * 2005-06-09 2006-12-14 Kongsberg Automotive As Tuneable bushing
CN201196157Y (zh) * 2008-04-17 2009-02-18 黄佳华 一种护轴套

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2575361Y (zh) * 2002-10-26 2003-09-24 大连海密梯克密封泵有限公司 碳化硅滑动轴承用轴套
CN2703904Y (zh) * 2004-06-22 2005-06-08 杭州大路实业有限公司 一种磁力传动泵轴系结构组件
WO2006132535A1 (en) * 2005-06-09 2006-12-14 Kongsberg Automotive As Tuneable bushing
CN201196157Y (zh) * 2008-04-17 2009-02-18 黄佳华 一种护轴套

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C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: JIANGSU HIGHTING PUMP VALVE MANUFACTURING CO., LTD.

Assignor: Huang Jiahua

Contract record no.: 2011320000675

Denomination of invention: Method for sealing protective shaft sleeve of propeller pump

Granted publication date: 20110413

License type: Exclusive License

Open date: 20091021

Record date: 20110503

EC01 Cancellation of recordation of patent licensing contract

Assignee: JIANGSU HIGHTING PUMP VALVE MANUFACTURING CO., LTD.

Assignor: Huang Jiahua

Contract record no.: 2011320000675

Date of cancellation: 20170612

EC01 Cancellation of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20091021

Assignee: Jiangsu Haitian Technology Co., Ltd.

Assignor: Huang Jiahua

Contract record no.: 2017320000155

Denomination of invention: Method for sealing protective shaft sleeve of propeller pump

Granted publication date: 20110413

License type: Exclusive License

Record date: 20170628

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20170906

Address after: 214500, No. 2, freight station road, Jingjiang Economic Development Zone, Taizhou, Jiangsu, Jingjiang

Patentee after: Jiangsu Haitian Technology Co., Ltd.

Address before: Jingjiang City, Jiangsu province 214500 three Ji Lu Hongguang Town, No. 4 Jiangsu Haitian Valve Manufacturing Co Ltd

Patentee before: Huang Jiahua

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110413

Termination date: 20180417