CN2739444Y - 膨胀阀气箱头内传动片与膜片结构 - Google Patents

膨胀阀气箱头内传动片与膜片结构 Download PDF

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Publication number
CN2739444Y
CN2739444Y CN 200420090362 CN200420090362U CN2739444Y CN 2739444 Y CN2739444 Y CN 2739444Y CN 200420090362 CN200420090362 CN 200420090362 CN 200420090362 U CN200420090362 U CN 200420090362U CN 2739444 Y CN2739444 Y CN 2739444Y
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diaphragm
gas tank
driver blade
expansion valve
drive piece
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潘艺园
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Zhejiang Sanhua Automotive Components Co Ltd
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Zhejiang Sanhua Climate and Appliance Controls Group Co Ltd
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Abstract

一种膨胀阀气箱头内传动片与膜片结构，它包括由传动片和膜片与气箱盖和气箱座一起装配成的气箱头部件，传动片与膜片之间相互固定连接并被固定安置在气箱盖和气箱座之间，所述的传动片与膜片之间是通过点焊或铆压或胶水粘接而相互固定；由于将传动片与膜片固定在一起，保证了膜片轴心和传动片轴心的同轴度在要求范围内，在传递力的过程中，上传动杆不会产生偏斜，力的传递稳定，使钢球向上或向下的运动变得更加可靠、更加稳定地控制冷媒流量；具有结构简单，设计合理，使用效果好等特点。

Description

膨胀阀气箱头内传动片与膜片结构
技术领域
本实用新型涉及的是一种膨胀阀气箱头部件中，传动片与膜片之间的相互连接结构，属于膨胀阀气箱头部件的内部结构。
背景技术
在现有技术中，膨胀阀气箱头部件主要由传动片1和膜片2与气箱盖3和气箱座4一起装配而成，其中传动片1在气箱头中处于不固定的活动位置，这就容易导致产品在装配完成后，传动片的位置会偏离中心，传动片在传递压力的过程中，容易使传动杆偏斜，导致气箱头内部的感温力传递不稳定，直接影响到空调系统运行的可靠性。如图1所示，在理想状态下，膜片1、传动片1、上传动杆5、下传动杆6、钢球7应处于同一轴线上。当气箱头感受到蒸发器出口处的过热度时，气箱头内部封入介质会给膜片2产生一个力，此力通过传动片1、上传动杆5、下传动杆6进行传递，然后作用在钢球7上，使钢球7产生向上或向下的运动，从而控制节流口的大小，使适当的冷媒流向蒸发器中；而实际由于传动片在气箱头中相对与膜片可以移动，会使传动片的轴心和哝片的轴心不重合，导致上传动杆偏斜，从而使力在传递过程中不稳定，钢球7无法可靠、稳定地控制节流口的大小。
发明内容
本实用新型的目的在于克服上述存在的不足，而提供一种改进的、将传动片与膜片相互固定在一起的膨胀阀气箱头内传动片与膜片结构。它包括由传动片和膜片与气箱盖和气箱座一起装配成的气箱头部件，传动片与膜片之间相互固定连接并被固定安置在气箱盖和气箱座之间。
所述的传动片与膜片之间通过点焊或螺纹或铆压或胶水粘接而相互固连。
本实用新型由于将传动片与膜片固定在一起，保证了膜片轴心和传动片轴心的同轴度在要求范围内，在传递力的过程中，上传动杆不会产生偏斜，力的传递稳定，使钢球向上或向下的运动变得更加可靠、更加稳定地控制冷媒流量；具有结构简单，设计合理，使用效果好等特点。
附图说明
图1是现有技术的结构示意图。
图2是本实用新型的结构示意图。
图3是本实用新型的点焊固定结构示意图。
图4是本实用新型的螺纹连接结构示意图。
具体实施方式
下面将结合附图对本实用新型作详细的介绍：图2所示，本实用新型主要包括有由传动片1和膜片2与气箱盖3和气箱座4一起装配成的气箱头部件，传动片1与膜片2之间相互固定连接并被固定安置在气箱盖3和气箱座4之间，这样，传动片1和膜片2之间就没有相对运动。当气箱头感受到蒸发器出口处的过热度时，气箱头内部封入介质会给膜片2产生一个力F，此力通过传动片1、上传动杆5、下传动杆6进行传递，然后作用在钢球7上，使钢球产生向上或向下的运动。在传递力F的过程中，上传动杆5不会产生偏斜，力F传递稳定，使钢球7向上或向下的运动变得可靠，使适当的冷媒流入蒸发器中。图3所示，本实用新型所述的传动片1与膜片2之间通过点焊8而相互固定。图4所示，所述的传动片1与膜片2之间通过螺纹9而相互固定。本实用新型的其它实施例也可以通过铆压或胶水粘接而使传动片1和膜片2之间相互固连。本实用新型由于将传动片与膜片通过某种方式固定在一起，保证了膜片轴心和传动片轴心的同轴度在要求范围内，在传递力的过程中，上传动杆不会产生偏斜，力的传递稳定，使钢球向上或向下的运动变得更加可靠、更加稳定地控制冷媒流量。

Claims (2)

1、一种膨胀阀气箱头内传动片与膜片结构，它包括由传动片和膜片与气箱盖和气箱座一起装配成的气箱头部件，其特征在于所述的传动片(1)与膜片(2)之间相互固定连接并被固定安置在气箱盖(3)和气箱座(4)之间。
2、根据权利要求1所述的膨胀阀气箱头内传动片与膜片结构，其特征在于所述的传动片(1)与膜片(2)之间通过点焊(8)或螺纹或铆压或胶水粘接而相互固连。
CN 200420090362 2004-09-20 2004-09-20 膨胀阀气箱头内传动片与膜片结构 Expired - Lifetime CN2739444Y (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102192366A (zh) * 2010-03-17 2011-09-21 邓永林 热力膨胀阀平衡部密封结构

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102192366A (zh) * 2010-03-17 2011-09-21 邓永林 热力膨胀阀平衡部密封结构

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