CN107289140A - 90度回转波纹管阀门 - Google Patents
90度回转波纹管阀门 Download PDFInfo
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2268—Sealing means for the axis of rotation
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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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
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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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/16—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member
- F16K31/163—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston
- F16K31/1635—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston for rotating valves
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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
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
- F16K31/502—Mechanical actuating means with screw-spindle or internally threaded actuating means actuating pivotable valve members
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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
- F16K31/44—Mechanical actuating means
- F16K31/52—Mechanical actuating means with crank, eccentric, or cam
- F16K31/521—Mechanical actuating means with crank, eccentric, or cam comprising a pivoted disc or flap
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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
- F16K41/00—Spindle sealings
- F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
- F16K41/106—Spindle sealings with diaphragm, e.g. shaped as bellows or tube for use with rotating spindles or valves
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Abstract
本发明公开了一种90度回转波纹管阀门，属于回转阀门领域。它包括阀体、活门、连接套、传动箱体、阀杆、曲臂、滑杆、连杆、波纹管、箱盖、驱动机构。通过连杆将滑杆与曲臂连接，将滑杆的直行程转换为阀杆的角行程，以便引入波纹管密封结构；通过阀体、连接套、传动箱体、滑杆、波纹管、箱盖构成了一个绝对密封的腔体，波纹管随着滑杆伸缩实现动密封，能够完全杜绝阀体内部介质泄露；能够根据需求选择气动、电动、手动任意一种方式驱动滑杆线性滑动，适用于不同工作场景；本结构能够应用于蝶阀、球阀、旋塞阀等不同类型的阀体，用途广泛；通过透明视窗盖方便观察回转阀门状态；它结构简单，成本低，使用方便。
Description
技术领域
本发明涉及一种90度回转波纹管阀门，属于回转阀门领域。
背景技术
波纹管阀门用于严格控制外漏的工况，例如，有毒有害等危险介质。波纹管阀门密封性好，能够防止有毒有害介质外泄。目前波纹管阀运用广泛，但仅限于直行程类的阀门，如闸阀、截止阀，而90度回转的角行程阀尚无使用案例，这和波纹管只能在长度上进行伸缩补偿，不能进行角度补偿有关。为了提高90度回转阀门的密封性，防止有毒有害介质外泄，首次将波纹管引入90度回转阀门中，通过传动机构将具备波纹管密封性的直行程输入，转换成阀门需要的角行程输入，通过引入波纹管，提高90度回转阀门的密封性。
发明内容
本发明所要解决的技术问题在于：提供一种90度回转波纹管阀门，它解决了目前90度回转阀门不能够完全杜绝内部介质外漏的问题。
本发明所要解决的技术问题采取以下技术方案来实现：
90度回转波纹管阀门，它包括阀体、活门、连接套、传动箱体、阀杆、曲臂、滑杆、连杆、波纹管、箱盖、驱动机构；
所述阀体内设有活门，阀体顶部设有轴孔，连接套将阀体顶部的轴孔与传动箱体底部密封连通，传动箱体为上开口的密封箱体，阀杆从上到下依次穿过传动箱体、连接套、阀体，阀杆底部与活门固定，阀杆顶部固定有曲臂，曲臂一侧的传动箱体内设有滑杆，滑杆两端贯穿传动箱体，滑杆中部通过连杆与曲臂活动连接，滑杆两端伸出传动箱体的部分套有波纹管，波纹管一端与传动箱体密封固定，另一端与滑杆表面密封固定，滑杆相对传动箱体滑动时，波纹管随着滑杆伸缩实现动密封，箱盖将传动箱体上开口密封；
所述滑杆端部与驱动机构连接，驱动机构驱动滑杆线性滑动，滑杆通过连杆带动曲臂和阀杆转动，阀杆控制阀体内的活门开合。
作为优选实例，所述驱动机构为气动驱动机构，气动驱动机构包括气缸、支架、联轴器，气缸通过支架固定在传动箱体一侧，气缸的活塞杆通过联轴器与滑杆连接，气缸直接驱动滑杆线性滑动。
作为优选实例，所述驱动机构为电动驱动机构，电动驱动机构包括电动执行器、支架、丝杆、驱动螺母、联轴器，电动执行器通过支架固定在传动箱体一侧，电动执行器转动输出端固定有驱动螺母，丝杆一端与驱动螺母通过螺纹配合，另一端通过联轴器与滑杆连接，电动执行器带动驱动螺母转动，位于驱动螺母中的丝杆受力后驱动滑杆线性滑动。
作为优选实例，所述驱动机构为手动驱动机构，手动驱动机构包括手轮、支架、丝杆、驱动螺母、联轴器，手轮通过支架固定在传动箱体一侧，手轮转动输出端固定有驱动螺母，丝杆一端与驱动螺母通过螺纹配合，另一端通过联轴器与滑杆连接，手轮带动驱动螺母转动，位于驱动螺母中的丝杆受力后驱动滑杆线性滑动。
作为优选实例，所述箱盖与传动箱体之间设有密封垫片，箱盖与传动箱体之间通过螺丝和密封垫片密封固定。
作为优选实例，所述箱盖上设有密封固定的透明视窗盖。
本发明的有益效果是：通过连杆将滑杆与曲臂连接，将滑杆的直行程转换为阀杆的角行程，以便引入波纹管密封结构；通过阀体、连接套、传动箱体、滑杆、波纹管、箱盖构成了一个绝对密封的腔体，波纹管随着滑杆伸缩实现动密封，能够完全杜绝阀体内部介质泄露；能够根据需求选择气动、电动、手动任意一种方式驱动滑杆线性滑动，适用于不同工作场景；本结构能够应用于蝶阀、球阀、旋塞阀等不同类型的阀体，用途广泛；通过透明视窗盖方便观察回转阀门状态；它结构简单，成本低，使用方便。
附图说明
图1为本发明的内部结构示意图；
图2为本发明的俯视结构示意图；
图3为本发明采用气动驱动机构的结构示意图；
图4为本发明采用电动驱动机构的结构示意图；
图5为本发明采用手动驱动机构的结构示意图；
图6为本发明采用气动驱动机构的立体结构示意图。
图中：阀体1，活门2，连接套3，传动箱体4，阀杆5，曲臂6，滑杆7，连杆8，波纹管9，箱盖10，气缸11，支架12，联轴器13，电动执行器14，丝杆15，驱动螺母16，手轮17，透明视窗盖18。
具体实施方式
为了对本发明的技术手段、创作特征、达成目的与功效易于明白了解，下面结合具体图示，进一步阐述本发明。
如图1-图2所示，90度回转波纹管阀门，它包括阀体1、活门2、连接套3、传动箱体4、阀杆5、曲臂6、滑杆7、连杆8、波纹管9、箱盖10、驱动机构；
阀体1内设有活门2，阀体1顶部设有轴孔，连接套3将阀体1顶部的轴孔与传动箱体4底部密封连通，传动箱体4为上开口的密封箱体，阀杆5从上到下依次穿过传动箱体4、连接套3、阀体1，阀杆5底部与活门2固定，阀杆5顶部固定有曲臂6，曲臂6一侧的传动箱体4内设有滑杆7，滑杆7两端贯穿传动箱体4，滑杆7中部通过连杆8与曲臂6活动连接，滑杆7两端伸出传动箱体4的部分套有波纹管9，波纹管9一端与传动箱体4密封固定，另一端与滑杆7表面密封固定，滑杆7相对传动箱体4滑动时，波纹管9随着滑杆7伸缩实现动密封，箱盖10将传动箱体4上开口密封；
滑杆7端部与驱动机构连接，驱动机构驱动滑杆7线性滑动，滑杆7通过连杆8带动曲臂6和阀杆5转动，阀杆5控制阀体1内的活门2开合。
箱盖10与传动箱体4之间设有密封垫片（图中未标注），箱盖10与传动箱体4之间通过螺丝和密封垫片密封固定。
箱盖10上设有密封固定的透明视窗盖18。用于观察阀杆5的转动角度，判断阀体1内活门2开合程度。
其中，波纹管9采用能够沿轴向伸缩的密封金属波纹管，波纹管9一端通过焊接或法兰与传动箱体4密封固定，另一端通过焊接或法兰与滑杆7表面密封固定。
实施例1
如图3、图6所示，驱动机构为气动驱动机构，气动驱动机构包括气缸11、支架12、联轴器13，气缸11通过支架12固定在传动箱体4一侧，气缸11的活塞杆通过联轴器13与滑杆7连接，气缸11直接驱动滑杆7线性滑动。滑杆7相对传动箱体4滑动时，波纹管9随着滑杆7伸缩实现动密封。
实施例2
如图4所示，驱动机构为电动驱动机构，电动驱动机构包括电动执行器14、支架12、丝杆15、驱动螺母16、联轴器13，电动执行器14通过支架12固定在传动箱体4一侧，电动执行器14转动输出端固定有驱动螺母16，丝杆15一端与驱动螺母16通过螺纹配合，另一端通过联轴器13与滑杆7连接，电动执行器14带动驱动螺母16转动，位于驱动螺母16中的丝杆15受力后驱动滑杆7线性滑动。滑杆7相对传动箱体4滑动时，波纹管9随着滑杆7伸缩实现动密封。
实施例3
如图5所示，驱动机构为手动驱动机构，手动驱动机构包括手轮17、支架12、丝杆15、驱动螺母16、联轴器13，手轮17通过支架12固定在传动箱体4一侧，手轮17转动输出端固定有驱动螺母16，丝杆15一端与驱动螺母16通过螺纹配合，另一端通过联轴器13与滑杆7连接，手轮17带动驱动螺母16转动，位于驱动螺母16中的丝杆15受力后驱动滑杆7线性滑动。滑杆7相对传动箱体4滑动时，波纹管9随着滑杆7伸缩实现动密封。
通过连杆8将滑杆7与曲臂6连接，将滑杆7的直行程转换为阀杆5的角行程；其中阀体1、连接套3、传动箱体4、滑杆7、波纹管9、箱盖10构成了一个绝对密封的腔体，波纹管9随着滑杆7伸缩实现动密封，能够完全杜绝阀体1内部介质泄露；能够根据需求选择气动、电动、手动任意一种方式驱动滑杆7线性滑动，适用于不同工作场景；本结构能够应用于蝶阀、球阀、旋塞阀等不同类型的阀体，用途广泛；通过透明视窗盖18方便观察回转阀门状态；它结构简单，成本低，使用方便。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入本发明要求保护的范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (6)
1.90度回转波纹管阀门，其特征在于：它包括阀体、活门、连接套、传动箱体、阀杆、曲臂、滑杆、连杆、波纹管、箱盖、驱动机构；
所述阀体内设有活门，阀体顶部设有轴孔，连接套将阀体顶部的轴孔与传动箱体底部密封连通，传动箱体为上开口的密封箱体，阀杆从上到下依次穿过传动箱体、连接套、阀体，阀杆底部与活门固定，阀杆顶部固定有曲臂，曲臂一侧的传动箱体内设有滑杆，滑杆两端贯穿传动箱体，滑杆中部通过连杆与曲臂活动连接，滑杆两端伸出传动箱体的部分套有波纹管，波纹管一端与传动箱体密封固定，另一端与滑杆表面密封固定，滑杆相对传动箱体滑动时，波纹管随着滑杆伸缩实现动密封，箱盖将传动箱体上开口密封；
所述滑杆端部与驱动机构连接，驱动机构驱动滑杆线性滑动，滑杆通过连杆带动曲臂和阀杆转动，阀杆控制阀体内的活门开合。
2.根据权利要求1所述90度回转波纹管阀门，其特征在于：所述驱动机构为气动驱动机构，气动驱动机构包括气缸、支架、联轴器，气缸通过支架固定在传动箱体一侧，气缸的活塞杆通过联轴器与滑杆连接，气缸直接驱动滑杆线性滑动。
3.根据权利要求1所述90度回转波纹管阀门，其特征在于：所述驱动机构为电动驱动机构，电动驱动机构包括电动执行器、支架、丝杆、驱动螺母、联轴器，电动执行器通过支架固定在传动箱体一侧，电动执行器转动输出端固定有驱动螺母，丝杆一端与驱动螺母通过螺纹配合，另一端通过联轴器与滑杆连接，电动执行器带动驱动螺母转动，位于驱动螺母中的丝杆受力后驱动滑杆线性滑动。
4.根据权利要求1所述90度回转波纹管阀门，其特征在于：所述驱动机构为手动驱动机构，手动驱动机构包括手轮、支架、丝杆、驱动螺母、联轴器，手轮通过支架固定在传动箱体一侧，手轮转动输出端固定有驱动螺母，丝杆一端与驱动螺母通过螺纹配合，另一端通过联轴器与滑杆连接，手轮带动驱动螺母转动，位于驱动螺母中的丝杆受力后驱动滑杆线性滑动。
5.根据权利要求1所述90度回转波纹管阀门，其特征在于：所述箱盖与传动箱体之间设有密封垫片，箱盖与传动箱体之间通过螺丝和密封垫片密封固定。
6.根据权利要求1所述90度回转波纹管阀门，其特征在于：所述箱盖上设有密封固定的透明视窗盖。
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