CN203081985U - 一种大型螺栓用密封垫圈 - Google Patents

一种大型螺栓用密封垫圈 Download PDF

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Publication number
CN203081985U
CN203081985U CN 201220715848 CN201220715848U CN203081985U CN 203081985 U CN203081985 U CN 203081985U CN 201220715848 CN201220715848 CN 201220715848 CN 201220715848 U CN201220715848 U CN 201220715848U CN 203081985 U CN203081985 U CN 203081985U
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China
Prior art keywords
bolt
steel plate
sealing washer
washer used
large bolt
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Expired - Fee Related
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CN 201220715848
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English (en)
Inventor
吴强
刘春友
肖德石
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Liaoning Petroleum Machinery Manufacturing Co Ltd
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Liaoning Petroleum Machinery Manufacturing Co Ltd
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Priority to CN 201220715848 priority Critical patent/CN203081985U/zh
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Abstract

本实用新型涉及一种大型螺栓用密封垫圈,包括环形钢板、密封圈,所述的环形钢板内径面上设有凹槽,凹槽内设有密封圈。本实用新型的优点是:结构简单,密封性好,避免油液漏出,制作成本低,易加工,更换方便。

Description

一种大型螺栓用密封垫圈
技术领域
本实用新型涉及一种大型螺栓用密封垫圈。 
背景技术
一般链盒螺栓都采用小型螺栓,钢板之间夹有胶垫,涂胶密封,而大型修井机都装有大型的链轮,为了固定必须采用较大的螺栓。由于用于包裹链轮的链盒底部必须密封的,而大型螺栓很难密封,很难保证飞溅的油液不通过大型螺栓漏出,这种用于承受载荷的大型螺栓很难用胶密封住,经常出现油液从大型螺栓处漏出的现象。 
发明内容
为克服现有技术的不足,本实用新型的目的是提供一种大型螺栓用密封垫圈,密封效果好,避免油液漏出。 
为实现上述目的,本实用新型通过以下技术方案实现: 
一种大型螺栓用密封垫圈,包括环形钢板、密封圈,所述的环形钢板内径面上设有凹槽,凹槽内设有密封圈。 
与现有技术相比,本实用新型的有益效果是: 
结构简单,密封性好,避免油液漏出,制作成本低,易加工,更换方便。 
附图说明
图1是本实用新型的主视图。 
图2是本实用新型的俯视图。 
图中:1-螺栓  2-弹簧垫圈  3-环形钢板  4- O型圈  5-螺母。 
具体实施方式
下面结合说明书附图对本实用新型进行详细地描述,但是应该指出本实用新型的实施不限于以下的实施方式。 
见图1-图2,一种大型螺栓用密封垫圈,包括环形钢板3、密封圈,所述的环形钢板3内径面上设有凹槽,凹槽内设有密封圈。 
制作时,用加厚的圆形钢板加工成圆环状,内圆根据螺栓1的螺纹外径确定。外径根 据不同的要求而定。在环形钢板3内径面加工一个圆形沟槽,用来放置O型圈4,O型圈4尺寸根据螺栓外径按标准选用,沟槽尺寸根据选用的O型圈4按标准加工。选用螺栓时最好不要选用全螺纹的螺栓,因为在拧紧中螺纹易磨损O型圈4。 
使用时,用高强度半螺纹螺栓1依次穿过弹簧垫圈2、内嵌O型圈4的环形钢板3、链盒底部连接部分,然后用高强度螺母5拧紧,达到密封要求,防止油液漏出。 
本实用新型结构简单,密封性好,避免油液漏出,制作成本低,易加工,更换方便。 

Claims (1)

1.一种大型螺栓用密封垫圈,其特征在于,包括环形钢板、密封圈,所述的环形钢板内径面上设有凹槽,凹槽内设有密封圈。
CN 201220715848 2012-12-20 2012-12-20 一种大型螺栓用密封垫圈 Expired - Fee Related CN203081985U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220715848 CN203081985U (zh) 2012-12-20 2012-12-20 一种大型螺栓用密封垫圈

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220715848 CN203081985U (zh) 2012-12-20 2012-12-20 一种大型螺栓用密封垫圈

Publications (1)

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CN203081985U true CN203081985U (zh) 2013-07-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015136326A1 (en) * 2014-03-12 2015-09-17 Relborgn Pty Ltd Fastener and method of sealing passage
CN110259811A (zh) * 2019-07-11 2019-09-20 海盐精工标准件厂 一种防水螺栓

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015136326A1 (en) * 2014-03-12 2015-09-17 Relborgn Pty Ltd Fastener and method of sealing passage
AU2014386164B2 (en) * 2014-03-12 2018-11-01 Relborgn Pty Ltd Fastener and method of sealing passage
US10309220B2 (en) 2014-03-12 2019-06-04 Relborgn Pty Ltd. Fastener and method of sealing passage
CN110259811A (zh) * 2019-07-11 2019-09-20 海盐精工标准件厂 一种防水螺栓

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Granted publication date: 20130724

Termination date: 20211220