CN2180844Y - 软密封锥塞闸阀 - Google Patents

软密封锥塞闸阀 Download PDF

Info

Publication number
CN2180844Y
CN2180844Y CN 93245259 CN93245259U CN2180844Y CN 2180844 Y CN2180844 Y CN 2180844Y CN 93245259 CN93245259 CN 93245259 CN 93245259 U CN93245259 U CN 93245259U CN 2180844 Y CN2180844 Y CN 2180844Y
Authority
CN
China
Prior art keywords
valve
plug
utility
conical
gate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 93245259
Other languages
English (en)
Inventor
吴佩宗
饶深祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PETROCHEMICAL UNIVERSAL VALVE FACTORY QINGTIAN COUNTY ZHEJIANG PROV
Original Assignee
PETROCHEMICAL UNIVERSAL VALVE FACTORY QINGTIAN COUNTY ZHEJIANG PROV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PETROCHEMICAL UNIVERSAL VALVE FACTORY QINGTIAN COUNTY ZHEJIANG PROV filed Critical PETROCHEMICAL UNIVERSAL VALVE FACTORY QINGTIAN COUNTY ZHEJIANG PROV
Priority to CN 93245259 priority Critical patent/CN2180844Y/zh
Application granted granted Critical
Publication of CN2180844Y publication Critical patent/CN2180844Y/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Sliding Valves (AREA)

Abstract

软密封锥塞闸阀,属于机械技术领域,涉及闸阀 结构的改进。包括阀体及与其配合的阀盖,阀杆穿过 阀杆螺母及阀盖,其特征在于阀杆内端连接锥形阀 塞,阀体内腔设有与锥形阀塞相配合的带锥孔的塑性 密封套,该闸阀密封性能好,操作轻便,使用寿命延 长,且其制造方便,易于维修,生产成本降低。

Description

本实用新型属于机械技术领域,涉及一种闸阀结构的改进。
现有闸阀,其密封副一般为具有一定楔角的金属闸板和与之相配合的具有同一楔角的金属阀座。由于两者楔角要求严格一致,而且两者配合宽度尺寸必须相等才能紧密配合,达到密封作用,否则将发生泄漏。因此制造困难、成本高。由于闸板和阀座都是金属表面,要使密封良好,必须平整光洁,要求进行精细加工、研磨和抛光加工,更使加工成本增加。金属对金属密封要有很大的密封作用力,使得阀门操作力大,设计的阀杆加粗,手轮增大,造成阀的外形和重量增加。且光滑平整的金属密封面受到介质的冲蚀,流体中颗粒的磨擦,密封面极易受损,导致泄漏,限制了阀的使用寿命,并难于修复。
本实用新型的目的在于克服现有技术中存在的缺陷,提供一种密封性能、使用效果更好的软密封锥塞闸阀。
所述的软密封锥塞闸阀,包括阀体及与其配合的阀盖,阀杆穿过阀杆螺母及阀盖,        其特征在于阀杆内端连接锥形阀塞,阀体内腔设有与锥形阀塞相配合的带锥孔的密封套。
该软密封锥塞闸阀密封性能好,操作轻便,使用寿命延长,且其制造方便,易于维修,生产成本降低。
以下结合说明书附图,对本实用新型作进一步说明,同时给出其实施例。
图1为软密封锥塞闸阀结构示意图。
如图所述,阀体1与阀盖5配合,阀杆4穿过阀杆螺母6及阀盖5,其上端连接手轮7,内端连接锥形阀塞3,2为设在阀体1内腔的带锥孔的塑性密封套,密封套2采用塑性材料如橡胶、塑料、复合石墨等制成,可用模具压制而成,精度高而成本低。锥形阀塞3由金属材料制成,可在普通车床上加工,其锥角和尺寸极易保证。且因软密封结构的光洁度和精度要求不高,,故其制造容易,使用时,转动手轮7,带动阀杆4和锥形阀塞3作上下移动,使阀门开关和调节管道内介质的流动。

Claims (1)

1、软密封锥塞闸阀,包括阀体(1)及与其配合的阀盖(5)、阀杆(4)穿过阀杆螺母(6)及阀盖(5),其特征在于阀杆(4)内端连接锥形阀塞(3),阀体(1)内腔设有与锥形阀塞(3)相配合的带锥孔的塑性密封套(2)。
CN 93245259 1993-11-19 1993-11-19 软密封锥塞闸阀 Expired - Fee Related CN2180844Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 93245259 CN2180844Y (zh) 1993-11-19 1993-11-19 软密封锥塞闸阀

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 93245259 CN2180844Y (zh) 1993-11-19 1993-11-19 软密封锥塞闸阀

Publications (1)

Publication Number Publication Date
CN2180844Y true CN2180844Y (zh) 1994-10-26

Family

ID=33818254

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 93245259 Expired - Fee Related CN2180844Y (zh) 1993-11-19 1993-11-19 软密封锥塞闸阀

Country Status (1)

Country Link
CN (1) CN2180844Y (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105042088A (zh) * 2015-05-20 2015-11-11 天津斯维克阀业有限公司 一种阀门

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105042088A (zh) * 2015-05-20 2015-11-11 天津斯维克阀业有限公司 一种阀门

Similar Documents

Publication Publication Date Title
CN2180844Y (zh) 软密封锥塞闸阀
CN205780952U (zh) 分体式套筒控制阀
CN215908433U (zh) 一种耐高温高压双向无磨损球阀
CN2416290Y (zh) 液碱用锥面密封截止阀
CN2145292Y (zh) 自动加压补偿无泄漏闸阀
CN2580218Y (zh) 一种活塞截止阀
CN202561072U (zh) 一种硬密封球面碟阀
CN202371240U (zh) 软密封安全阀
CN2066094U (zh) 双关角式高压节流截止阀
CN2358289Y (zh) 锥阀
CN2580219Y (zh) 活塞截止阀
CN220646814U (zh) 一种防止关闭时杂质损坏密封面的阀门
CN2409389Y (zh) 一种三位两通活塞阀
CN108561563B (zh) 核电岛心用波纹管导向式截止止回阀
CN2344608Y (zh) 双重密封截止阀
CN204459232U (zh) 高温耐磨双向硬密封吹扫油浆剪切阀
CN218118655U (zh) 一种刀型调节料浆阀
CN203604696U (zh) 三片式法兰连接低温锻钢固定球阀
CN212203152U (zh) 一种可替换式双偏心蝶阀
CN2687449Y (zh) 卸灰球阀
CN2292946Y (zh) 煤气专用阀门
CN2705669Y (zh) 压盖式法兰蝶阀
CN2353983Y (zh) 一种弹性阀瓣
CN202188218U (zh) 高密封针阀
CN220668425U (zh) K型强制密封平板闸阀

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee