CN103629430B - 电机阀 - Google Patents

电机阀 Download PDF

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Publication number
CN103629430B
CN103629430B CN201310676627.4A CN201310676627A CN103629430B CN 103629430 B CN103629430 B CN 103629430B CN 201310676627 A CN201310676627 A CN 201310676627A CN 103629430 B CN103629430 B CN 103629430B
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rotating disk
shifting block
rotary screw
lug boss
screw
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CN103629430A (zh
Inventor
廖锋
施正岩
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Sichuan Haili Intelligent & Technology Co ltd
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Sichuan Haili Intelligent & Technology Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
    • F16K31/043—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
    • F16K31/045—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means with torque limiters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K35/00—Means to prevent accidental or unauthorised actuation

Abstract

本发明公开了一种电机阀，主要用于燃气表内控制进气口的开闭，具有安全可靠的特点。本发明的电机阀，包括由下至上的电机、变速箱、转盘、旋转螺杆和密封垫，转盘与旋转螺杆底部固定连接，传动螺帽与旋转螺杆通过螺纹配合连接，所述转盘下方设有拨块，拨块的转动中心与旋转螺杆的转动中心在同一条轴线上，变速箱输出装置与拨块传动连接，所述转盘下方边缘设有凸起部，凸起部的轴线至转盘轴线的距离小于拨块的转动中心至拨块端部的距离，凸起部与拨块的水平高度一致。电机停止转动时，旋转螺杆会带动转盘回转，此时拨块通过阻挡凸起部的回转消除转盘和旋转螺杆的回转现象。该电机阀在使用时安全可靠，尤其适用于燃气表等需要高安全性能的产品。

Description

电机阀
技术领域
本发明涉及一种电机阀，尤其是一种主要用于控制燃气表进气口开闭的电机阀。
背景技术
目前，市场上常见的用于燃气表的电机阀都通过电机控制旋转螺杆转动以达到控制阀口开闭的目的。但是，当电机停止转动时，由于复位弹簧等弹性构件的回复力作用于旋转螺杆，旋转螺杆一般会有一定程度的回转，回转现象轻则容易造成阀口开口变小甚至闭合，让使用者无法正常取得燃气；重则会导致阀口无法关闭，给使用者带来安全隐患。
发明内容
本发明所要解决的技术问题是提供一种电机阀，它能够消除上述因螺杆回转现象带来的不利影响，在使用时安全可靠。
本发明解决其技术问题所采用的技术方案是：电机阀，包括由下至上的电机、变速箱、转盘、旋转螺杆和密封垫，转盘与旋转螺杆底部固定连接，传动螺帽与旋转螺杆通过螺纹配合连接，所述转盘下方设有拨块，拨块的转动中心与旋转螺杆的转动中心在同一条轴线上，变速箱的输出装置与拨块传动连接，所述转盘下方边缘设有凸起部，凸起部的轴线至转盘轴线的距离小于拨块的转动中心至拨块端部的距离，凸起部与拨块的水平高度一致。
进一步的，所述旋转螺杆上的螺纹为梯形螺纹。
进一步的，所述旋转螺杆周围设有用于密封的波纹管，波纹管的两端分别与传动螺帽和转盘固定连接。
本发明的有益效果是：消除了电机停止工作之后旋转螺杆的回转现象，确保了电机阀的正常使用并消除了安全隐患。
附图说明
图1是本发明的结构示意图。
图中所示：1-电机，2-变速箱，3-转盘，4-旋转螺杆，5-传动螺帽，6-密封垫，7-拨块，8-凸起部，9-梯形螺纹，10-波纹管。
具体实施方式
下面结合附图对本发明进一步说明。
如图1所示，本发明的电机阀，包括由下至上的电机1、变速箱2、转盘3、旋转螺杆4和密封垫6，转盘3与旋转螺杆4底部固定连接，传动螺帽5与旋转螺杆4通过螺纹配合连接，所述转盘3下方设有拨块7，拨块7的转动中心与旋转螺杆4的转动中心在同一条轴线上，变速箱2的输出装置与拨块7传动连接，所述转盘3下方边缘设有凸起部8，凸起部8的轴线至转盘轴线的距离小于拨块7的转动中心至拨块7端部的距离，凸起部8与拨块7的水平高度一致。在电机阀工作时，变速箱2输出装置带动拨块7转动，再由拨块7带动转盘3和旋转螺杆4转动，进而带动螺帽5和密封垫7做往复式运动，以实现控制阀口的开启或关闭。在电机1停止转动时，旋转螺杆4会带动转盘3产生回转现象，此时，拨块能够通过阻挡凸起部8的回转消除转盘3和旋转螺杆4的回转现象。
为了进一步提高电机阀的安全性能，可将所述旋转螺杆4上的螺纹设计为梯形螺纹9。由于梯形螺纹9的螺旋角一般小于常见的用于电机阀中的三角形螺纹，因此使用梯形螺纹9时螺帽一般不会发生在三角形螺纹中常见的自锁现象，安全性能得到了很大的提升。
为了提高电机阀的密封性能，在所述旋转螺杆周围设有用于密封的波纹管10，波纹管10的两端分别与传动螺帽5和转盘3固定连接。波纹管10具有良好的密封性能，采用焊接的方式将波纹管与传动螺帽5和转盘8连成一体，可以有效防止燃气的泄漏。

Claims (3)

1.电机阀，包括由下至上的电机（1）、变速箱（2）、转盘（3）、旋转螺杆（4）和密封垫（6），转盘（3）与旋转螺杆（4）底部固定连接，传动螺帽（5）与旋转螺杆（4）通过螺纹配合连接，其特征在于：所述转盘（3）下方设有拨块（7），拨块（7）的转动中心与旋转螺杆（4）的转动中心在同一条轴线上，变速箱（2）的输出装置与拨块（7）传动连接，所述转盘（3）下方边缘设有凸起部（8），凸起部（8）的轴线至转盘轴线的距离小于拨块（7）的转动中心至拨块（7）端部的距离，凸起部（8）与拨块（7）的水平高度一致。
2.如权利要求1所述的电机阀，其特征在于：所述旋转螺杆（4）上的螺纹为梯形螺纹（9）。
3.如权利要求1或2所述的电机阀，其特征在于：所述旋转螺杆周围设有用于密封的波纹管（10），波纹管（10）的两端分别与传动螺帽（5）和转盘（3）固定连接。
CN201310676627.4A 2013-12-07 2013-12-07 电机阀 Active CN103629430B (zh)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105114634B (zh) * 2015-09-06 2018-05-25 四川大学 一种新型智能燃气表电机阀
CN110242866B (zh) * 2019-07-11 2021-05-28 芜湖泰和管业股份有限公司 基于无线传感器联动的不锈钢波纹管混合智能泄漏检测方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0836701A1 (fr) * 1995-07-05 1998-04-22 Schlumberger Industries S.A. Organe de coupure antifraude pour compteur de gaz et compteur de gaz equipe d'un tel organe de coupure
CN2498793Y (zh) * 2001-08-14 2002-07-03 利剑雄 电机阀无惯性冲击的电机立即停定位装置
CN2618014Y (zh) * 2003-05-03 2004-05-26 倪志桂 智能燃气表用电机阀
CN201339750Y (zh) * 2008-11-12 2009-11-04 乐清市科安电器有限公司 燃气表用电机阀

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0836701A1 (fr) * 1995-07-05 1998-04-22 Schlumberger Industries S.A. Organe de coupure antifraude pour compteur de gaz et compteur de gaz equipe d'un tel organe de coupure
CN2498793Y (zh) * 2001-08-14 2002-07-03 利剑雄 电机阀无惯性冲击的电机立即停定位装置
CN2618014Y (zh) * 2003-05-03 2004-05-26 倪志桂 智能燃气表用电机阀
CN201339750Y (zh) * 2008-11-12 2009-11-04 乐清市科安电器有限公司 燃气表用电机阀

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Address after: 610052 Sichuan city of Chengdu province Chenghua District City Longtan Industrial Development Zone

Patentee after: SICHUAN HAILI INTELLIGENT & TECHNOLOGY Co.,Ltd.

Address before: 610052 Sichuan city of Chengdu province Chenghua District City Longtan Industrial Development Zone

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Address after: 610052 No. 1 Chengji Road, Longtan Headquarters Economic City, Chenghua District, Chengdu City, Sichuan Province

Patentee after: Chengdu Schwarder Gas Equipment Co.,Ltd.

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Address after: No. 1, Chengji Road, Longtan headquarters economic city, Chenghua District, Chengdu, Sichuan 610052

Patentee after: Chengdu siwode Gas Equipment Co.,Ltd.

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Address after: 610052 Longtan Urban Industrial Centralized Development Zone, Chenghua District, Chengdu, Sichuan

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Address before: No.1, Chengji Road, Longtan headquarters economic city, Chenghua District, Chengdu, Sichuan 610052

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