CN2676475Y - 防爆接头 - Google Patents

防爆接头 Download PDF

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Publication number
CN2676475Y
CN2676475Y CN 200420019311 CN200420019311U CN2676475Y CN 2676475 Y CN2676475 Y CN 2676475Y CN 200420019311 CN200420019311 CN 200420019311 CN 200420019311 U CN200420019311 U CN 200420019311U CN 2676475 Y CN2676475 Y CN 2676475Y
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China
Prior art keywords
sealing ring
explosion proof
joint
proof joint
circular arc
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Expired - Fee Related
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CN 200420019311
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English (en)
Inventor
范锦多
方仙平
赵红芝
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Industrial Corp Attached To Shanghai Univ Of Science & Engineering
University of Shanghai for Science and Technology
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Industrial Corp Attached To Shanghai Univ Of Science & Engineering
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Priority to CN 200420019311 priority Critical patent/CN2676475Y/zh
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Publication of CN2676475Y publication Critical patent/CN2676475Y/zh
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Abstract

一种防爆接头，由密封圈、压紧螺母、金属垫圈和联通节等组成。密封圈的内孔上去掉一个高为h、半径为R的圆弧，圆弧边缘离密封圈的两端有一段距离，轴向压紧密封圈时，密封圈的两端形成两个环，紧紧地抱住电缆，这时的单位抱合力要大于没有改进时的单位抱合力，因此密封得更可靠。

Description

防爆接头
本实用新型涉及一种防爆接头。
防爆接头是用来箱体引入电缆或金属管处防止箱体外气体进入到箱体内一种装置。它由密封圈、压紧螺母、金属垫圈和联通节等组成。使用时联通节和箱体相连接，电缆通过压紧螺母、金属垫圈、密封圈和联通节的内孔进入箱体内，密封圈的内孔和电缆外径的配合间隙很小，密封圈是由橡胶制成的，因此当拧动压紧螺母时密封圈就径向膨胀，把电缆紧紧抱牢，达到密封的目的。
本实用新型的目的是提供能使电缆和密封圈抱合得更好的防爆接头。
本实用新型的目的是这样实现的，在密封圈的内孔上去掉一个高为h、半径为R的圆弧。
本实用新型的主要特征是：密封圈的内孔上去掉一个高为h、半径为R的圆弧，圆弧边缘离密封圈的两端有一段距离，轴向压紧密封圈时，密封圈的两端形成两个环，紧紧地抱住电缆，这时的单位抱合力要大于没有改进时的单位抱合力，因此密封得更可靠。
下面结合附图来说明本实用新型。
图一：本实用新型的结构图。
1.压紧螺母、2.联通节、3.金属垫圈、4.圆形缺口、5.密封圈、6密封环。
如图中所示：当旋转压紧螺母1时，推进金属垫圈3，使密封圈5轴向受压，由密封圈5是由橡胶制成的，因此即径向臌胀，由于密封圈内孔上去掉了一个圆形缺口4，所在密封圈5两端形成两个圆环6，它紧紧抱住电缆，来达到密封更加可靠的目的。

Claims (1)

  1. 一种防爆接头，由密封圈、压紧螺母、金属垫圈和联通节等组成；其特征为密封圈的内孔上去掉一个高为h、半径为R的圆弧，圆弧边缘离密封圈的两端有一段距离。
CN 200420019311 2004-01-08 2004-01-08 防爆接头 Expired - Fee Related CN2676475Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420019311 CN2676475Y (zh) 2004-01-08 2004-01-08 防爆接头

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200420019311 CN2676475Y (zh) 2004-01-08 2004-01-08 防爆接头

Publications (1)

Publication Number Publication Date
CN2676475Y true CN2676475Y (zh) 2005-02-02

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Family Applications (1)

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CN 200420019311 Expired - Fee Related CN2676475Y (zh) 2004-01-08 2004-01-08 防爆接头

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CN (1) CN2676475Y (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106762945A (zh) * 2016-12-29 2017-05-31 浙江科力车辆控制系统有限公司 防爆接头组件及其举升油缸

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106762945A (zh) * 2016-12-29 2017-05-31 浙江科力车辆控制系统有限公司 防爆接头组件及其举升油缸
CN106762945B (zh) * 2016-12-29 2019-04-12 浙江科力车辆控制系统有限公司 防爆接头组件及其举升油缸

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C19 Lapse of patent right due to non-payment of the annual fee
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