CN108807072A - 一种小型固定式碟形弹片自动压力开关 - Google Patents

一种小型固定式碟形弹片自动压力开关 Download PDF

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Publication number
CN108807072A
CN108807072A CN201710311377.2A CN201710311377A CN108807072A CN 108807072 A CN108807072 A CN 108807072A CN 201710311377 A CN201710311377 A CN 201710311377A CN 108807072 A CN108807072 A CN 108807072A
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dish
shaped shrapnel
shrapnel
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王刚
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00Switches operated by change of a physical condition
    • H01H35/24Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/26Details
    • H01H35/30Means for transmitting pressure to pressure-responsive operating part, e.g. by capsule and capillary tube
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00Switches operated by change of a physical condition
    • H01H35/24Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/34Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm
    • H01H35/343Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm by snap acting diaphragm

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Push-Button Switches (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)

Abstract

一种小型固定式碟形弹片自动压力开关,包括连接体、碟形弹片顶坐、碟形弹片、碟开弹片坐、密封片、顶针、铜弹片,其特征是:开关内部设有碟形弹片顶坐,碟形弹片顶坐上端面局部置于碟形弹片凸出面,下端面置于密封片上方,密封片下方置于连接体上端面。使用时利用碟形弹片顶坐上端面局部置于碟形弹片凸出面,可使碟形弹片一变形就快速从凸面向凹面跳起。可提高现有的小型碟形弹片自动压力开关十几倍的使用寿命,同时可降低成本。

Description

一种小型固定式碟形弹片自动压力开关
技术领域
本发明涉及一种自动开关,特别是一种固定式碟形弹片自动压力开关。
背景技术
现有碟形弹片自动压力开关,是碟莆弹片整个凸出面受到一定外压力时,凸面凹陷变形到快平时向凹面跳起推动顶针,顶针顶开弹片从而断开接触点,开关断电,压力停止。当压力减少到一定值时,碟莆弹片快速回位,弹片压下顶针还原从而带动接触点回位,开关闭合,压力开起。它的不足外是碟形弹片凸出面受力是整个面的推力。当外力等于碟形弹片凸面向凹面变形的力时,这时凸面慢慢向凹面变形到整个碟形弹片平时,凸面才向凹面快速弹起,开关断电。所以凸出面向凹面慢慢变形的距离,不可推动顶针,如推动碟形弹片上下弹动,接触点打火。相反如顶针太短,碟形弹片推开顶针距离太少,两银点断开距离也就少,接触点打火,开关也不能使用。现有碟形弹片自动压力开关,用价格昂贵的银点和严格控制顶针的长度和相关配件长度,但使用中相关件有磨损,开关通过论证寿命在3万次,制造成本高。
发明内容
本发明的目的是为了克服上述不足之外,通过多次试机而提供一种质量好、制造成本低的固定式碟形弹片自动压力开关。
本发明的目的是这样实现的:
一种固定式碟形弹片自动压力开关,包括连接体、碟形弹片、碟形弹片坐、碟形弹片顶坐、壳体、顶针、银点、铜弹片,其特征是开关中设有碟形弹片顶坐,碟形弹片顶坐上端面设有碟形弹片,碟形弹片凸出面向下局部置于碟形弹片顶坐上端面,碟形弹片顶坐下端面置于密封片上端,密封片下端面置于连接体上端面。
本发明由于采用以上结构改进,使用时,从连接体进入的外压力不是整个面推动碟形弹片凸出面,而是推在碟形弹片顶坐下端面,碟形弹片顶坐上端面局部推在碟形弹片凸出面。当外压力逐步增大到碟形弹片可变形的力时,碟形弹片凸出面才从静向凹面快速跳起,开关断电,外来力停止。当外力逐步减少到碟形弹片凹面向凸面反弹的力时,碟形弹片快速反弹,开关通电。因通过以上的改进,碟形弹片快速跳动的距离增加几倍,接触点打开的距离增加几倍,通过多次试机,开关的使用寿命可在40万次,同时降低了成本。
附图说明
图1为本发明实施例结构示意图
图2为现有的小型固定式碟形弹片自动压力开关结构示意图
图3为本发明实施简易结构示意图
图4为现有的小型固定式碟形弹片自动压力开关简易结构示意图
具体实施方法
现结合附图对本发明做详细说明。
包括:连接体1、碟形弹片10、碟形弹片坐4、碟形弹片顶坐3、外壳5、插片7、银点6、铜弹片8、密封片2。
外壳5和连接体1固定,密封片2固定在外壳5和连接体1之间,插片7和外壳5固定,铜弹片8和插片7固定,碟形弹片10置于碟形弹片坐4和碟形弹片顶坐3之间,碟形弹片会3上端面局部置于碟形弹片10凸出面,下端面置于密封片2上端面,密封片2下端面置于连接体1上端面。

Claims (1)

1.一种小型固定式碟形弹片自动压力开关,包括:连接体1、碟形弹片顶坐3、碟形弹片10、碟形弹片坐4、壳体5、顶针9、插片7、银点6、密封片2。其特征是开关中设有碟形弹片顶坐3,碟形弹片顶坐3上端面局部置于碟形弹片10凸出面,下端面置于密封片2上方,密封片2下方置于连接体1上端面。
CN201710311377.2A 2017-04-27 2017-04-27 一种小型固定式碟形弹片自动压力开关 Pending CN108807072A (zh)

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CN201710311377.2A CN108807072A (zh) 2017-04-27 2017-04-27 一种小型固定式碟形弹片自动压力开关

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CN201710311377.2A CN108807072A (zh) 2017-04-27 2017-04-27 一种小型固定式碟形弹片自动压力开关

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CN108807072A true CN108807072A (zh) 2018-11-13

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3466978A (en) * 1966-09-09 1969-09-16 Stenberg Flygt Ab Pressure relay
JP4708598B2 (ja) * 2001-05-18 2011-06-22 株式会社鷺宮製作所 圧力スイッチ
CN204230152U (zh) * 2014-11-28 2015-03-25 王刚 一种碟形弹片自动压力开关
CN205282388U (zh) * 2015-11-30 2016-06-01 常州市圣奥电器有限公司 常开式压力开关
CN205487863U (zh) * 2016-01-17 2016-08-17 王刚 一种固定式碟形弹片自动压力开关

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3466978A (en) * 1966-09-09 1969-09-16 Stenberg Flygt Ab Pressure relay
JP4708598B2 (ja) * 2001-05-18 2011-06-22 株式会社鷺宮製作所 圧力スイッチ
CN204230152U (zh) * 2014-11-28 2015-03-25 王刚 一种碟形弹片自动压力开关
CN205282388U (zh) * 2015-11-30 2016-06-01 常州市圣奥电器有限公司 常开式压力开关
CN205487863U (zh) * 2016-01-17 2016-08-17 王刚 一种固定式碟形弹片自动压力开关

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Application publication date: 20181113