WO2021143495A1 - 一种波纹管截止阀 - Google Patents

一种波纹管截止阀 Download PDF

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Publication number
WO2021143495A1
WO2021143495A1 PCT/CN2020/139609 CN2020139609W WO2021143495A1 WO 2021143495 A1 WO2021143495 A1 WO 2021143495A1 CN 2020139609 W CN2020139609 W CN 2020139609W WO 2021143495 A1 WO2021143495 A1 WO 2021143495A1
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WIPO (PCT)
Prior art keywords
valve
bellows
assembly
spacer ring
stem
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Ceased
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PCT/CN2020/139609
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English (en)
French (fr)
Inventor
宋治伟
袁爱成
王龙骧
何耀罡
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Neway Valve Suzhou Co Ltd
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Neway Valve Suzhou Co Ltd
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Publication of WO2021143495A1 publication Critical patent/WO2021143495A1/zh
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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
    • 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
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • 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
    • 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
    • F16K31/508—Mechanical actuating means with screw-spindle or internally threaded actuating means the actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element
    • 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
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0025—Electrical or magnetic means

Definitions

  • the present invention relates to the technical field of stop valves, in particular to a bellows stop valve.
  • the bellows globe valve is suitable for various working condition pipelines in petroleum, chemical, pharmaceutical, fertilizer, electric power and other industries. It is used to cut off or connect the pipeline medium. When the bellows globe valve is in use, it will wear and flow with the valve switch. The medium scours the valve disc and valve seat, and the sealing surface is prone to defects such as spots, pits, etc., and it is easy to cause the valve to leak. The valve leakage can cause fluid medium loss and production accidents; in particular, the fluid medium is highly toxic, highly corrosive, and highly corrosive. High radioactivity, valve leakage will pollute the environment and seriously endanger public safety.
  • the existing bellows globe valve lacks the means to predict its own sealing performance and leakage detection, and cannot monitor the operation status of the valve at any time. It is not easy to find leakage in the early stage, and it is impossible to predict and deal with the leakage in time, which improves the valve. Use and maintenance costs.
  • the technical problem to be solved by the present invention is to overcome the shortcomings of the bellows stop valve in the prior art that lack of its own sealing performance and leakage detection prediction, thereby providing a bellows that can monitor the sealing state of the valve on-line at any time Shut-off valve
  • a bellows shut-off valve comprising a valve cover and a valve cavity enclosed by a valve body, the valve body is provided with a staggered fluid inlet and outlet and a stepped flow hole, and the stepped flow
  • the hole is in communication with the fluid inlet and outlet, and the valve cavity on one side of the stepped flow hole is provided with a first sealing component and a second sealing component;
  • the valve cover is provided with a leak detection device, The inlet end is located at the valve cavity between the first sealing component and the second sealing component.
  • it further comprises a bellows assembly arranged between the first sealing assembly and the second sealing assembly, and the inlet end is arranged close to the bellows assembly.
  • it further includes a valve stem arranged in the valve cavity, and the first sealing assembly, the bellows assembly, and the second sealing assembly are sequentially sleeved on the valve stem, and the bellows
  • a spacer ring is sleeved between the pipe assembly and the second sealing component, and a through hole connecting the side wall of the valve stem and the inlet end is provided on the spacer ring.
  • the side wall of the spacer ring close to the valve stem is provided with a first groove recessed toward the inner side of the spacer ring, and the through hole is provided on the bottom of the first groove.
  • the outer diameter of the spacer ring is smaller than the inner diameter of the valve cavity.
  • the leak detection device includes a drainage tube, a fluid detection end, and an instrument control terminal connected in sequence, the end of the drainage tube communicating with the valve cover is the inlet end, and the fluid detection end feeds back leakage information To the instrument control terminal.
  • the fluid detection end includes a fluid recovery tube connected to the drainage tube, and a fluid recovery container connected to the fluid recovery tube, and a sensor is provided in the fluid recovery container.
  • a valve stem nut is provided on the end of the valve stem, and a universal interface is provided on the valve stem nut, and the universal interface is connected to a hand wheel or an automatic rotation input end.
  • a flange is provided on the end of the valve cover close to the valve stem nut, and the flanges are evenly distributed with connecting holes, and the support is connected with the connecting holes to fix the bellows stop valve. Location.
  • the bellows shut-off valve of the present invention includes a valve cavity surrounded by a valve cover and a valve body, the valve body is provided with a staggered fluid inlet and outlet and a stepped flow hole, and the stepped flow hole is in communication with the fluid inlet and outlet, A first sealing component and a second sealing component are arranged in the valve cavity on one side of the stepped circulation hole; the valve cover is connected with a leak detection device, and the inlet end of the leak detection device is located at the first sealing component And the valve cavity between the second sealing component.
  • the setting of the leak detection device can monitor the sealing state of the bellows stop valve at any time, provide a basis for the leakage prediction and maintenance of the bellows stop valve, and reduce the use and maintenance cost of the valve.
  • the bellows cut-off valve of the present invention is provided with a stem nut, and a universal interface is provided on the stem nut.
  • the universal interface can be connected to a handwheel or an automatic rotating input end, so that the bellows cut-off valve is suitable for automatic operation or manual operation .
  • the upper end of the valve cover of the bellows cut-off valve of the present invention is provided with a flange, and the flanges are evenly distributed with connecting holes.
  • the support is connected with the connecting holes to fix the position of the bellows cut-off valve and improve the anti-vibration ability of the bellows cut-off valve. Avoid leakage during vibration.
  • FIG. 1 is a schematic diagram of a cross-sectional view of a bellows shut-off valve according to an embodiment of the present invention
  • Fig. 2 is a schematic diagram of a spacer ring structure according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a top view of a flange according to an embodiment of the present invention.
  • valve cover 1- valve cover; 2- spacer ring; 3- valve cavity; 4- valve body; 5- fluid inlet and outlet; 6- valve clack; 7-step flow hole; 8-seal; 9-valve stem; 10-corrugation Tube assembly; 11-drainage tube; 12-fluid detection end; 13-fluid recovery tube; 14-fluid recovery container; 15-instrument control terminal; 16-inlet end; 17-packing assembly; 18-packing press sleeve; 19- Packing plate; 20-flange; 21-connection hole; 22-stem nut; 23-first sealing component; 24-second sealing component; 25-second groove; 26-through hole; 27-first recess Groove; 28-leak detection device.
  • the bellows globe valve includes a valve chamber 3 surrounded by a valve cover 1 and a valve body 4, wherein the valve cover 1 and the valve body 4 can be fixed by studs, nuts, and washers.
  • the valve body 4 is provided with a staggered fluid inlet and outlet 5 and a stepped circulation hole 7, and the stepped circulation hole 7 is in communication with the fluid inlet and outlet.
  • the bellows globe valve also includes packing assembly 17, packing gland 18, packing pressure plate 19, stud, nut and washer.
  • Packing assembly 17 is used to fill the gap between valve stem 9 and bonnet 1, and packing gland 18 and packing are used.
  • the pressure plate 19 is compressed, and the packing pressure plate 19 is fixed on the valve cover 1 through studs, nuts, and washers to form a first sealing assembly 23 so that the packing assembly 17 and the valve stem 9 are closely matched.
  • a bellows assembly 10 is arranged between the first sealing assembly 23 and the second sealing assembly 24, and the lower end of the bellows assembly 10 is press-fitted between the valve cover 1 and the valve body 4. Seals 8 are provided on the upper and lower ends of the lower end of the bellows assembly 10, and the first sealing assembly 23 and the bellows assembly 10 form a double seal.
  • the spacer ring 2 shown in Figure 2 the spacer ring 2 is cylindrical, the inner diameter of the spacer ring 2 is larger than the diameter of the valve stem 9, the spacer ring 2 is sleeved on the valve stem 9, and there is a gap between the inner wall of the spacer ring 2 and the valve stem 9.
  • the gap is arranged between the bellows assembly 10 and the first sealing assembly 23, and is press-fitted at the lower end of the packing assembly 17.
  • the inner and outer sides of the spacer ring 2 are provided with a first groove 27 and a second groove recessed into the spacer ring 2 25.
  • the first groove 27 and the second groove 25 are provided with through holes 26 on the groove bottoms.
  • a leak detection device 28 is installed on the side wall of the valve cover 1 where the spacer ring 2 is located.
  • the leak detection device 28 includes a drainage tube 11, a fluid detection end 12, and an instrument control terminal 15.
  • the fluid detection end 12 includes a fluid recovery pipe 13 and a fluid
  • the recovery container 14 and the fluid recovery container 14 are provided with a nuclear radiation sensor.
  • One end of the drainage tube 11 communicating with the valve cover 1 is the inlet end 16 of the leak detection device 28 communicating with the through hole 26 on the spacer ring 2.
  • the other end of the drainage tube 11 is connected to the fluid recovery tube 13, the fluid recovery container 14, and the instrument in sequence. ⁇ terminal15.
  • the fluid passes through the drainage tube 11, the fluid recovery tube 13, the fluid recovery container 14, and the nuclear radiation sensor to feed back the leakage information to the instrument control terminal 15, and monitor the sealing state of the bellows shut-off valve at any time. It provides a basis for the leakage prediction and maintenance of the bellows globe valve, and reduces the cost of valve use and maintenance.
  • the end of the valve stem 9 is provided with a stem nut 22, and a universal interface is provided on the stem nut 22, which can be connected to a handwheel or an automatic rotation input end. Increase the universal rate of interchangeable use of manual, electric or remote transmission of the valve.
  • the end of the valve cover 1 close to the nut 22 of the valve stem 9 is provided with a flange 20, and the flange 20 is evenly provided with connecting holes 21.
  • the support is connected with the connecting holes 21, and the fixed bellows is cut off.
  • the flange 20 can be used to fix the valve to an object such as a wall on site, thereby strengthening the protection of the valve and improving the anti-vibration capability of the valve.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Valves (AREA)

Abstract

一种波纹管截止阀，涉及截止阀技术领域，其包括阀盖（1）和阀体（4）围成的阀腔（3），阀体（4）设置有错位流体进出口（5）和阶梯流通孔（7），阶梯流通孔（7）与流体进出口（5）连通，阶梯流通孔（7）一侧的阀腔（3）内设置有第一密封组件（23）和第二密封组件（24）；阀盖（1）设置有测漏装置（28），测漏装置（28）入口端（16）位于第一密封组件（23）和第二密封组件（24）之间的阀腔（3）处。该波纹管截止阀克服了现有技术中波纹管截止阀存在的缺少对自身的密封性能和泄漏检测预判的缺陷，通过测漏装置（28）随时监控波纹管截止阀密封状态，为波纹管截止阀的泄漏预判以及维护保养提供依据，降低阀门使用、维护成本。

Description

一种波纹管截止阀 技术领域
本发明涉及截止阀技术领域，具体涉及一种波纹管截止阀。
背景技术
波纹管截止阀适用于石油、化工、制药、化肥、电力等行业的各种工况管路上，用于切断或接通管路介质，在波纹管截止阀使用过程中随着阀门开关磨损、流动介质对阀瓣和阀座冲刷，密封面易形成斑点、坑陷等缺陷，易使阀门发生泄露，阀门泄露会造成流体介质损失、生产事故；特别的，流体介质具有剧毒性、高腐蚀、高放射性，阀门泄露会对环境造成污染和严重危害公共安全。此时对阀门的密封性能、泄漏检测预判以及维护保养提出了极高的要求，甚至关系到整个运行设备、运行系统的整体安全要求。现有的波纹管截止阀缺少对自身的密封性能和泄漏检测预判的手段，不能随时监控阀门的运行状态，早期出现泄露不易发现，不能对泄露做出及时的预判和处理，提高了阀门使用、维护成本。
发明内容
因此，本发明要解决的技术问题在于克服现有技术中波纹管截止阀中存在的缺少对自身的密封性能和泄漏检测预判的缺陷，从而提供一种能随时在线监控阀门密封状态的波纹管截止阀
为实现上述目的，本发明提供如下技术方案：一种波纹管截止阀，包括阀盖和阀体围成的阀腔，所述阀体设置有错位流体进出口和阶梯流通孔， 所述阶梯流通孔与所述流体进出口连通，所述阶梯流通孔一侧的所述阀腔内设置有第一密封组件和第二密封组件；所述阀盖设置有测漏装置，所述测漏装置的入口端位于所述第一密封组件和所述第二密封组件之间的所述阀腔处。
优选的，还包括设置在所述第一密封组件和所述第二密封组件之间的波纹管组件，所述入口端靠近所述波纹管组件设置。
优选的，还包括设置在所述阀腔内的阀杆，所述阀杆上依次套设有所述第一密封组件、所述波纹管组件和所述第二密封组件，并在所述波纹管组件和所述第二密封组件之间套设有隔环，所述隔环上设有连接所述阀杆的侧壁和所述入口端的通孔。
优选的，所述隔环的靠近所述阀杆的侧壁上设有向所述隔环内侧凹陷的第一凹槽，所述第一凹槽的槽底上设置有所述通孔。
优选的，所述隔环外径小于阀腔内径。
优选的，所述测漏装置包括依次连接的引流管、流体检测端和仪控终端，所述引流管与所述阀盖连通的一端为所述入口端，所述流体检测端将泄露信息反馈至仪控终端。
优选的，所述流体检测端包括与所述引流管连通的流体回收管、与所述流体回收管连通的流体回收容器，在所述流体回收容器内设有传感器。
优选的，所述阀杆的端部上设有阀杆螺母，所述阀杆螺母上设置有通用接口，所述通用接口连接手轮，或自动旋转输入端。
优选的，所述阀盖的靠近所述阀杆螺母的端部上设有凸缘，所述凸缘均布设有连接孔，支撑件与所述连接孔连接，固定所述波纹管截止阀的位置。
与现有技术相比，本发明的有益效果是：
1.本发明的波纹管截止阀，包括阀盖和阀体围成的阀腔，所述阀体设置有错位流体进出口和阶梯流通孔，所述阶梯流通孔与所述流体进出口连通，所述阶梯流通孔一侧的所述阀腔内设置有第一密封组件和第二密封组件； 所述阀盖连接有测漏装置，所述测漏装置的入口端位于所述第一密封组件和所述第二密封组件之间的所述阀腔处。测漏装置的设置，可随时监控波纹管截止阀密封状态，为波纹管截止阀的泄露预判以及维护保养提供依据,降低阀门使用、维护成本。
2.本发明的波纹管截止阀设有阀杆螺母，阀杆螺母上设置有通用接口，通用接口可连接手轮，或自动旋转输入端，使得波纹管截止阀适于自动操作或是手动操作。
3.本发明的波纹管截止阀的阀盖上端设有凸缘，凸缘均布设有连接孔，支撑件与连接孔连接，固定波纹管截止阀的位置，提高波纹管截止阀抗震能力，有效避免在震动时发生泄漏等。
附图说明
为了更清楚地说明本发明具体实施方式或现有技术中的技术方案，下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明的一种实施方式的波纹管截止阀剖视图的示意图；
图2为本发明的一种实施方式的隔环结构示意图；
图3为本发明的一种实施方式的凸缘俯视图的示意图；
附图标记说明：
1-阀盖；2-隔环；3-阀腔；4-阀体；5-流体进出口；6-阀瓣；7-阶梯流通孔；8-密封件；9-阀杆；10-波纹管组件；11-引流管；12-流体检测端；13-流体回收管；14-流体回收容器；15-仪控终端；16-入口端；17-填料组件；18-填料压套；19-填料压板；20-凸缘；21-连接孔；22-阀杆螺母；23-第一密封组件；24-第二密封组件；25-第二凹槽；26-通孔；27-第一凹槽；28-测漏装置。
具体实施方式
下面将结合附图对本发明的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
在本发明的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
此外，下面所描述的本发明不同实施方式中所涉及的技术特征只要彼此之间未构成冲突就可以相互结合。
如图1所示为其一种具体实施方式，波纹管截止阀包括阀盖1和阀体4连接围成的阀腔3，其中阀盖1和阀体4可采用螺柱、螺母、垫圈固定连接，所述阀体4设置有错位流体进出口5和阶梯流通孔7，所述阶梯流通孔7与所述流体进出口连通。
波纹管截止阀还包括填料组件17、填料压套18、填料压板19、螺柱、螺母和垫圈，用填料组件17填装阀杆9与阀盖1之间缝隙，用填料压套18和填料压板19压紧，其中填料压板19通过螺柱、螺母、垫圈固定在阀盖1 上，形成第一密封组件23，使填料组件17与阀杆9紧密配合。波纹管截止阀处于关闭状态时，阀瓣6底面与阶梯流通孔7接触形成第二密封组件24。为了进一步提高波纹管截止阀密封性能，第一密封组件23和所述第二密封组件24之间设置有波纹管组件10，波纹管组件10下端压装在阀盖1和阀体4之间，在波纹管组件10下端上下端面设有密封件8，第一密封组件23和波纹管组件10形成双重密封。通过上述设置，阀盖1、阀体4、第一密封组件23、第二密封组件24、阀杆9、波纹管组件10围成密封腔室。
如图2所示的隔环2，隔环2为圆筒状，隔环2内径大于阀杆9直径，隔环2套设在阀杆9上，隔环2内壁与阀杆9之间有缝隙，设置在波纹管组件10和第一密封组件23之间，被压装在填料组件17下端，隔环2内外侧设置有向隔环2内凹陷的第一凹槽27和第二凹槽25，第一凹槽27和第二凹槽25槽底上设置有通孔26。
隔环2所处位置的阀盖1侧壁上装有测漏装置28，测漏装置28包括引流管11、流体检测端12和仪控终端15，其中流体检测端12包括流体回收管13和流体回收容器14，流体回收容器14设置有核辐射式传感器。引流管11与阀盖1连通的一端为测漏装置28的入口端16与隔环2上的通孔26相连通，引流管11另一端依次连接有流体回收管13、流体回收容器14、仪控终端15。当波纹管组件10出现故障或破损时，流体通过引流管11、流体回收管13和流体回收容器14、核辐射式传感器将泄露信息反馈至仪控终端15，随时监控波纹管截止阀密封状态，为波纹管截止阀的泄露预判以及维护保养提供依据,降低阀门使用、维护成本。
如图1所示，阀杆9的端部上设有阀杆螺母22，阀杆螺母22上设置有通用接口，可连接手轮，也可连接自动旋转输入端。增加阀门的手动、电动或远传等机构互换使用通用率。
如图3所示，阀盖1的靠近阀杆9螺母22的端部上设有凸缘20，凸缘20均布设有连接孔21，支撑件与所述连接孔21连接，固定波纹管截止阀 的位置。现场能够通凸缘20过将阀门与如墙体等物件进行固定，从而加强对阀门的防护，提高阀门抗震能力。
显然，上述实施例仅仅是为清楚地说明所作的举例，而并非对实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引伸出的显而易见的变化或变动仍处于本发明创造的保护范围之中。

Claims (10)

  1. 一种波纹管截止阀，包括阀盖(1)和阀体(4)围成的阀腔(3)，所述阀体(4)设置有错位流体进出口(5)和阶梯流通孔(7)，所述阶梯流通孔(7)与所述流体进出口(5)连通，所述阶梯流通孔(7)一侧的所述阀腔(3)内设置有第一密封组件(23)和第二密封组件(24)；
    其特征在于，
    所述阀盖(1)连接有测漏装置(28)，所述测漏装置(28)的入口端(16)位于所述第一密封组件(23)和所述第二密封组件(24)之间的所述阀腔(3)处。
  2. 根据权利要求1所述的波纹管截止阀，其特征在于，还包括设置在所述第一密封组件(23)和所述第二密封组件(24)之间的波纹管组件(10)，所述入口端(16)靠近所述波纹管组件(10)设置。
  3. 根据权利要求2所述的波纹管截止阀，其特征在于，还包括设置在所述阀腔(3)内的阀杆(9)，所述阀杆(9)上依次套设有所述第一密封组件(23)、所述波纹管组件(10)和所述第二密封组件(24)，并在所述波纹管组件(10)和所述第二密封组件(24)之间套设有隔环(2)，所述隔环(2)上设有连接所述阀杆(9)和所述入口端(16)的通孔(26)。
  4. 根据权利要求3所述的波纹管截止阀，其特征在于，所述隔环(2)的靠近所述阀杆(9)的侧壁上设有向所述隔环(2)内侧凹陷的第一凹槽(27)，所述第一凹槽(27)的槽底上设置有所述通孔(26)。
  5. 根据权利要求3或4所述的波纹管截止阀，其特征在于，所述隔环(2)的远离所述阀杆(9)的侧壁上设有向所述隔环(2)内侧凹陷的第二凹槽(25)，所述第二凹槽(25)的槽底上设置有所述通孔(26)，且所述入口端(16)对应所述第二凹槽(25)设置。
  6. 根据权利要求3或4所述的波纹管截止阀，其特征在于，所述隔环(2)内径大于阀杆(9)直径。
  7. 根据权利要求1-6中任一项所述的波纹管截止阀，其特征在于，所述测漏装置(28)包括依次连接的引流管(11)、流体检测端(12)和仪控终端(15)，所述引流管(11)与所述阀盖(1)连通的一端为所述入口端(16)，所述流体检测端(12)将泄露信息反馈至仪控终端(15)。
  8. 根据权利要求7所述的波纹管截止阀，其特征在于，所述流体检测端(12)包括与所述引流管(11)连通的流体回收管(13)、与所述流体回收管(13)连通的流体回收容器(14)，在所述流体回收容器(14)内设有传感器。
  9. 根据权利要求3所述的波纹管截止阀，其特征在于，所述阀杆(9)的端部上设有阀杆螺母(22)，所述阀杆螺母(22)上设置有通用接口，所述通用接口连接手轮，或自动旋转输入端。
  10. 根据权利要求9所述的波纹管截止阀，其特征在于，所述阀盖(1)的靠近所述阀杆螺母(22)的端部上设有凸缘(20)，所述凸缘(20)均布设有多个连接孔(21)，支撑件与所述连接孔(21)连接，固定所述波纹管截止阀的位置。
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CN113606378B (zh) * 2021-08-03 2024-08-06 江苏圣泰阀门有限公司 一种波纹管连接装置
CN114658906B (zh) * 2022-03-15 2023-01-24 江苏明江阀业有限公司 基于气动波纹管切断阀的高危介质零泄漏系统
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