CN101956848A - 一种止回阀 - Google Patents

一种止回阀 Download PDF

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Publication number
CN101956848A
CN101956848A CN 201010285800 CN201010285800A CN101956848A CN 101956848 A CN101956848 A CN 101956848A CN 201010285800 CN201010285800 CN 201010285800 CN 201010285800 A CN201010285800 A CN 201010285800A CN 101956848 A CN101956848 A CN 101956848A
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CN
China
Prior art keywords
valve
valve rod
valve body
rod
fixed
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.)
Pending
Application number
CN 201010285800
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English (en)
Inventor
汪军平
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.)
ANHUI TONGLING KELI VALVE Co Ltd
Original Assignee
ANHUI TONGLING KELI VALVE Co Ltd
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 ANHUI TONGLING KELI VALVE Co Ltd filed Critical ANHUI TONGLING KELI VALVE Co Ltd
Priority to CN 201010285800 priority Critical patent/CN101956848A/zh
Publication of CN101956848A publication Critical patent/CN101956848A/zh
Pending legal-status Critical Current

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Abstract

本发明公开了一种流量恒定的止回阀，包括有阀体，阀体的两端分别为进口端、出口端，阀体中固定有横置的阀杆，阀杆的一端固定于出口端，另一端滑动安装有阀芯，阀芯的后端与阀杆之间垫置有弹簧，阀杆的后端设有台阶，阀体内设有与阀杆的台阶相配合的卡槽。本发明的阀体内设有与阀杆的台阶相配合的卡槽，保证了阀芯张开口度位移，结构设计合理，制作方便，具有限定最大流量的功能，密封效果提高。

Description

一种止回阀
技术领域
本发明涉及阀类，具体属于一种止回阀。
背景技术
目前，微阻缓闭止回阀结构形式各式各样，有启闭式止回阀的形式，也有外置缓冲缸形式，但都就需要一种液体才能够完成阀门关闭时的缓冲，消除破坏性水锤，以保障供水管道设施的运行安全可靠性。但往往由于液压管路的泄漏或阻塞，失去应有的功能。一般的止回阀没有限定流量的功能。
发明内容
本发明的目的是提供一种止回阀，结构设计合理，制作方便，具有限定最大流量的功能，密封效果提高。
本发明的技术方案如下：
一种流量恒定的止回阀，包括有阀体，阀体的两端分别为进口端、出口端，阀体中固定有横置的阀杆，阀杆的一端固定于出口端，另一端滑动安装有阀芯，阀芯的后端与阀杆之间垫置有弹簧，阀杆的后端设有台阶，阀体内设有与阀杆的台阶相配合的卡槽。
本发明的阀体内设有与阀杆的台阶相配合的卡槽，保证了阀芯张开口度位移，结构设计合理，制作方便，具有限定最大流量的功能，密封效果提高。
附图说明
图1为本发明的结构示意图。
具体实施方式
参见附图，一种止回阀，包括有阀体1，阀体1的两端分别为进口端2、出口端3，阀体中固定有横置的阀杆4，阀杆4的一端固定于出口端，另一端滑动安装有阀芯5，阀芯的后端与阀杆之间垫置有弹簧6，阀杆的后端设有台阶7，阀体内设有与阀杆的台阶相配合的卡槽8。

Claims (1)

1.一种流量恒定的止回阀，包括有阀体，阀体的两端分别为进口端、出口端，其特征在于：阀体中固定有横置的阀杆，阀杆的一端固定于出口端，另一端滑动安装有阀芯，阀芯的后端与阀杆之间垫置有弹簧，阀杆的后端设有台阶，阀体内设有与阀杆的台阶相配合的卡槽。
CN 201010285800 2010-09-15 2010-09-15 一种止回阀 Pending CN101956848A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010285800 CN101956848A (zh) 2010-09-15 2010-09-15 一种止回阀

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010285800 CN101956848A (zh) 2010-09-15 2010-09-15 一种止回阀

Publications (1)

Publication Number Publication Date
CN101956848A true CN101956848A (zh) 2011-01-26

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ID=43484359

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201010285800 Pending CN101956848A (zh) 2010-09-15 2010-09-15 一种止回阀

Country Status (1)

Country Link
CN (1) CN101956848A (zh)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305425A (en) * 1978-06-19 1981-12-15 Mackal Glenn H Oral inflation valve
CN2246738Y (zh) * 1995-05-03 1997-02-05 哈尔滨阀门总厂 对夹式止回阀
JP2006037985A (ja) * 2004-07-22 2006-02-09 Yuki Kogyo Kk 弁開度表示機能付逆止弁
CN201827461U (zh) * 2010-09-15 2011-05-11 安徽铜陵科力阀门有限责任公司 一种止回阀

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305425A (en) * 1978-06-19 1981-12-15 Mackal Glenn H Oral inflation valve
CN2246738Y (zh) * 1995-05-03 1997-02-05 哈尔滨阀门总厂 对夹式止回阀
JP2006037985A (ja) * 2004-07-22 2006-02-09 Yuki Kogyo Kk 弁開度表示機能付逆止弁
CN201827461U (zh) * 2010-09-15 2011-05-11 安徽铜陵科力阀门有限责任公司 一种止回阀

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Open date: 20110126