CN2485491Y - 弹力球囊阀气动拨斗 - Google Patents

弹力球囊阀气动拨斗 Download PDF

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CN2485491Y
CN2485491Y CN 01224749 CN01224749U CN2485491Y CN 2485491 Y CN2485491 Y CN 2485491Y CN 01224749 CN01224749 CN 01224749 CN 01224749 U CN01224749 U CN 01224749U CN 2485491 Y CN2485491 Y CN 2485491Y
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bucket
elastic force
pneumatic group
pneumatic
spool
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张大雄
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Abstract

一种弹力球囊阀气动拨斗,它避免使用气缸驱动摇板转换粉料通道,而是通过球囊的伸缩达到上述目的,由于没有黑色金属制造的摇板,彻底去除了碰撞火花可能引起的粉爆,同时使拨斗的密封性能更加可靠,运行更加平稳。

Description

弹力球囊阀气动拨斗
本实用新型涉及一种气动拨斗,尤其是弹力球囊阀气动拨斗。
目前,公知的气动拨斗是在管道三通接管支内管制有一个可以摆动的活门,以气缸连杆,推动活门的摆动方向,达到转换粉体物料流向的目的。由于活门用黑色金属制造,摆动过程中若与边框碰擦出火花,就容易引起有机粉尘的爆炸。活门与边框结合面的封闭程度全凭气缸的压力和活门的平整度,这就决定了该装置在所难免的物料泄漏。
本实用新型的目的是提供一种改进的气动拨斗,它能有效地防止物料的泄漏,也能防止因部件碰撞产生火花引起的有机粉尘爆炸。
本实用新型的目的是这样实现的:将三通接管的两个分支管上部各制造一个弹力球囊阀阀芯的连接函,连接函上各装一个双头接管,双头接管的外侧与控制压缩气源相接通,连接函与压缩空气管路之间并联一个三通电磁阀,使两支管内含弹力球囊阀阀芯可以轮流充压,当转换电磁阀的送气通道时,气动拨斗的流向也随之一起转换。因为工作结合面是柔性材料,所以没有机件碰撞,封闭性能好,接触平稳,不会产生火花。
由于采用了上述方案,提高了气动拨斗的密封性能,降低了造价,使其运行更加平稳、安全,尤其是彻底消除了“粉爆”的诱因。
下面结合附图和实施例对实用新型进一步说明:
图1是本实用新型的剖面图。
图中1.气动拨斗外壳2.连接函  3.弹力球囊阀阀芯  4.双头接管
在图1中,弹力球囊阀阀芯[3]通过双头接管[4]与控制压缩气源相接通,弹力球囊阀阀芯[3]充气膨胀压紧在气动拨斗外壳[1]内壁上(如图中双点划线所示),该侧粉料通道关闭;若电磁阀转换气路,则弹力球囊阀阀芯[3]排气收缩回连接函[2]内(如图中粗实线所示);该侧粉料通道开通。

Claims (3)

1.一种气动拨斗,尤其是弹力球囊阀气动拨斗,其特征是:气动拨斗的两个支管内,各有一个弹力球囊阀芯,它们通过双头接管安装在各自的连接函内,双头接管外侧与控制压缩气源相接通。
2.根据权利要求1所述的弹力球囊阀气动拨斗,其特征是:连接函在气动拨斗支管内的端口,有一随弹力球囊阀芯伸缩而自动关闭的防护盖板。
3.根据权利要求1所述的弹力球囊气动拨斗,其特征是:弹力球囊阀芯是用有机弹性材料制成的橄榄球形前端,波纹管状尾段联接端的一端开口的囊状物,其驱动介质为压缩气体。
CN 01224749 2001-05-28 2001-05-28 弹力球囊阀气动拨斗 Expired - Fee Related CN2485491Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01224749 CN2485491Y (zh) 2001-05-28 2001-05-28 弹力球囊阀气动拨斗

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Application Number Priority Date Filing Date Title
CN 01224749 CN2485491Y (zh) 2001-05-28 2001-05-28 弹力球囊阀气动拨斗

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CN2485491Y true CN2485491Y (zh) 2002-04-10

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110726002A (zh) * 2019-10-22 2020-01-24 中国计量大学 微流控负压驱动常开微阀
CN110966669A (zh) * 2018-09-29 2020-04-07 宁波方太厨具有限公司 厨房空调系统

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110966669A (zh) * 2018-09-29 2020-04-07 宁波方太厨具有限公司 厨房空调系统
CN110966669B (zh) * 2018-09-29 2022-02-08 宁波方太厨具有限公司 厨房空调系统
CN110726002A (zh) * 2019-10-22 2020-01-24 中国计量大学 微流控负压驱动常开微阀

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