WO2014094599A1 - 水锤泄放阀 - Google Patents

水锤泄放阀 Download PDF

Info

Publication number
WO2014094599A1
WO2014094599A1 PCT/CN2013/089673 CN2013089673W WO2014094599A1 WO 2014094599 A1 WO2014094599 A1 WO 2014094599A1 CN 2013089673 W CN2013089673 W CN 2013089673W WO 2014094599 A1 WO2014094599 A1 WO 2014094599A1
Authority
WO
WIPO (PCT)
Prior art keywords
connecting seat
wide
water hammer
valve
seat
Prior art date
Application number
PCT/CN2013/089673
Other languages
English (en)
French (fr)
Inventor
李习洪
周超
Original Assignee
武汉大禹阀门股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN 201220708224 external-priority patent/CN203009946U/zh
Priority claimed from CN201210554829.7A external-priority patent/CN103047457B/zh
Application filed by 武汉大禹阀门股份有限公司 filed Critical 武汉大禹阀门股份有限公司
Publication of WO2014094599A1 publication Critical patent/WO2014094599A1/zh

Links

Classifications

    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/0426—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with seat protecting means
    • 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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
    • 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
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
    • F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement

Definitions

  • the invention relates to the field of wide door technology, and in particular to a quick opening and closing water hammer venting width suitable for use in a clean water pipeline system. Background technique
  • the pressure relief is generally safe and wide, and the wide width is a direct-acting quick-opening quick-closing type or a pilot-type venting wide, which can set the pressure in the pipeline to exceed the pressure relief safety.
  • the pressure relief is turned on; but when the pump is suddenly stopped, the width will be quickly closed, causing the circulation flow rate in the wide outlet pipe to drop suddenly, and the back pressure will be generated.
  • the sudden change in speed will cause the impact pressure wave transmission, and the transmission speed is very high. High, can increase the pressure of the wide outlet section to several times the rated pressure. This is the water hammer phenomenon in the pipeline, which can lead to wide or broken pipelines and cause accidents.
  • the instantaneous high pressure time generated by the water hammer is rapid, and the safe opening of the pressure relief requires a certain time, it cannot meet the timely and rapid pressure relief; in addition, the pressure relief is safe and wide after the pressure is released, when the pipeline pressure returns to the set pressure After the value, the venting will be quickly closed, causing the pipeline to form a secondary instantaneous high pressure; this secondary instantaneous high pressure is formed due to the excessive closing speed of the venting, which will also cause certain damage to the pipeline.
  • the object of the present invention is to solve the deficiencies of the above background art, and provide a water hammer venting, which can be quickly opened to eliminate water hammer, and can also solve the secondary instantaneous high pressure caused by the excessive closing speed of the bleeder. The problem.
  • a water hammer bleed valve comprising a valve body and a sleeve connected by a connecting body, wherein the wide body is provided with a cooperative wide seat and a wide lobes, and the wide lobes are provided with a center a shaft, wherein the sleeve is provided with a pressure adjusting system, wherein: the lower end of the connecting seat is provided with a central hole matching the central axis of the wide lobe, and the upper end of the connecting seat is provided with an inner hole, the central hole and the inner hole
  • the central shaft of the broad valve passes through the central hole of the connecting seat, and a piston is arranged between the central shaft of the broad valve and the pressure regulating system, and the piston seal is disposed in the inner hole of the connecting seat; the side of the connecting seat is also connected
  • the tube is connected to the oil cup, and the connecting tube is installed with a one-way throttle.
  • the pressure regulating system includes an adjusting screw and a spring, the adjusting screw passes through the upper end surface of the sleeve, the spring is disposed inside the sleeve, and a positioning plate is disposed between the adjusting screw and the upper end of the spring, and the lower end of the spring is connected with the piston.
  • a third pressure plate is disposed between the lower end of the spring and the piston.
  • the side wall of the wide seat is a mesh wall.
  • a pressure sleeve is press-fitted on the upper end surface of the valve seat.
  • a sleeve is disposed between the central hole of the connecting seat and the central shaft of the valve disc, and the sleeve is fixed to the connecting seat by the mutual cooperation of the bolt and the second pressing plate.
  • the sleeve function is to prevent the wear of the central shaft of the wide lobe and to ensure the sealing effect between the central shaft and the central hole.
  • a bushing is disposed between the piston and the inner hole of the connecting seat, and the bushing is fixed on the connecting seat by the cooperation of the bolt and the third pressing plate, and the bushing is designed to prevent the piston from being worn and the piston and the inner portion. Sealing properties between the holes.
  • the connecting pipe and the connecting seat are screwed.
  • the working principle of the invention is:
  • the spring force of the spring is preset by adjusting the screw to ensure that the spring force value of the spring corresponds to the pressure value of the wide seat, and the piston balance structure is used in the wide body, that is, the third pressure plate between the piston and the spring can be used.
  • the area of the front water pressure is converted to a smaller equivalent area, which reduces the equivalent spring force against the forward water pressure.
  • the wide valve When the pressure value of the wide seat is higher than the preset safety pressure value corresponding to the spring, the wide valve opens under the pressure, and the hydraulic oil flows into the oil cup from the connecting seat, and the one-way throttle wide flow path is spacious and unobstructed. Basically, it does not hinder the opening process of the broad lobes, ensuring that the wide seat can be quickly opened for pressure relief, and the safety of the water hammer protection pipeline is eliminated. In this process, the water flow may enter the valve seat, and the mesh of the inner wall of the valve seat can make the water flow After the pressure value inside the valve body reaches the preset safety pressure value corresponding to the spring, the wide valve falls, and the hydraulic oil flows into the connecting seat from the oil cup.
  • the hydraulic pressure The oil can only slowly flow into the inner hole of the connecting seat, so the wide flap can only move slowly during the closing process until it is closed; during the wide flap closing process, the wide flap is slowly closed and closed by controlling the flow of the oil passage.
  • the speed is adjustable.
  • the invention can quickly open and eliminate the water hammer, and can slowly and slowly close, avoiding the secondary water hammer caused by the too wide closing of the wide door, and is a water hammer venting with simple structure, reasonable design and great practical value. Broad. DRAWINGS
  • Figure 1 is a cross-sectional view showing the entire structure of the present invention. detailed description
  • a water hammer venting as shown in Fig. 1 includes a wide body 1 and a sleeve 12 which are integrally connected by a joint 7, which are fixedly connected to the wide body 1 and the sleeve 12, respectively.
  • the wide body 1 has a wide seat 2 and a wide 4, and the wide 4 has a central axis 4.1.
  • a pressure regulating system is disposed in the sleeve 12, the pressure regulating system includes an adjusting screw 14 and a spring 11, the adjusting screw 14 passes through the upper end surface of the sleeve 12, the spring 11 is disposed inside the sleeve 12, and the adjusting screw 14 and the spring A positioning plate 13 is provided between the upper ends of 11.
  • the lower end of the connecting seat 7 is provided with a central hole 7.1 matched with the central shaft 4.1 of the wide lobes 4, the upper end of the connecting seat 7 is provided with an inner hole 7.2, the central hole 7.1 is communicated with the inner hole 7.2, and the central axis 4.1 of the wide lobes 4 is worn.
  • a piston 9 is provided between the central bore 7.1 of the connecting seat 7 and the lower end of the spring 11 in the pressure regulating system. The piston 9 is sealingly disposed in the bore 7.2 of the connecting seat 7.
  • a third pressure plate 10 is further disposed between the lower end of the spring 11 and the piston 9.
  • the adjusting screw 14 can preset the elastic force of the spring 11 to ensure that the elastic force value of the spring 11 corresponds to the pressure value of the wide seat 2, and the piston balance structure is adopted in the wide body 1, that is, the piston 9 and the spring 11 are disposed.
  • Some third pressure plate 10 can convert the active area of the wide front water pressure into a smaller equivalent effective area, thereby reducing the equivalent spring force against the water pressure before the valve.
  • the side walls of the wide seat 2 are mesh walls that allow water to drain from the grid.
  • a press sleeve 5 is press-fitted between the upper end face of the wide seat 2 and the connecting seat 7.
  • a sleeve 6 is fitted between the central hole 7.1 of the connecting seat 7 and the central shaft 4.1 of the wide lobes 4, and the sleeve 6 is fixed to the connecting seat 7 by the cooperation of the bolt and the second pressing plate 18, and the sleeve 6 acts to prevent the wide
  • the wear of the central axis 4.1 of the flap 4 ensures a sealing effect between the central shaft 4.1 and the central bore 7.1.
  • a bushing 8 is provided between the piston 9 and the inner hole 7.2 of the connecting seat 7, and the bushing 8 is fixed to the connecting seat 7 by the cooperation of the bolt and the third pressure plate 3, and the bushing 8 is designed to prevent the wear of the piston 9. And the sealing performance between the piston 9 and the inner bore 7.2.
  • the side of the connecting seat 7 is also connected to a hydraulic oil-filled oil cup 16 via a connecting pipe 17, and the connecting pipe 17 is screwed to the connecting seat 7, and a one-way throttle valve 15 is attached to the connecting pipe 17.
  • the working principle of the invention is:
  • the elastic force of the spring 11 is preset by adjusting the screw 14, so that the elastic force value of the spring 11 corresponds to the pressure value of the wide seat 2; when the pressure value of the wide seat 2 is higher than the preset safety pressure value corresponding to the spring 11, The wide flap 4 is opened under the action of pressure.
  • the one-way throttle is wide 15 and the flow passage is spacious and unobstructed, basically does not hinder the opening process of the broad flap 4, and ensures that the wide seat 2 can Quickly open for pressure relief, eliminating the safety of the water hammer protection pipeline;
  • the pressure inside the wide body reaches the preset safety pressure value corresponding to the spring 11, the wide flap 4 falls, and the hydraulic oil flows from the oil cup 16 into the joint 7 , due to the restriction of the one-way throttle 15 , the hydraulic oil can only slowly flow into the inner hole of the connecting seat 7 , so the wide flap 4 can only move slowly during the closing process until it is closed; 4 During the closing process, the wide flap 4 is slowly closed by controlling the flow of the oil passage, and the closing speed is adjustable.
  • the invention has the advantages of simple structure, reasonable design, quick opening and elimination of the water hammer, and slow and slow closing, thereby avoiding the secondary water hammer caused by the wide closing of the wide door, which has great practical value.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)

Abstract

一种水锤泄放阀，包括通过连接座（7）连接的阀体（1）和套管（12），阀体（1）内设有相互配合的阀座（2）和阀瓣（4），阀瓣（4）设有中心轴（4.1），套管（12）内设有压力调节系统，连接座（7）的下端设有与阀瓣（4）的中心轴（4.1）相匹配的中心孔（7.1），连接座（7）的上端设有内孔（7.2），中心孔（7.1）与内孔（7.2）相通，阀瓣（4）的中心轴（4.1）穿过连接座（7）的中心孔（7.1），阀瓣（4）的中心轴（4.1）与压力调节系统之间设有活塞（9），活塞（9）密封设置在连接座（7）的内孔（7.2）中；连接座（7）的侧面还通过连接管（17）与油杯（16）接通，连接管（17）上安装有单向节流阀（15）。本发明结构简单，设计合理，能够快速开启消除水锤，同时能够缓慢缓闭，避免了由于阀门关闭过快而产生二次水锤，具有很大的实用价值。

Description

水锤泄放阀
技术领域
本发明涉及阔门技术领域， 具体地指是一种适用于清水管道系统中的快开緩 闭水锤泄放阔。 背景技术
目前， 在清水管道系统中， 一般都会使用泄压安全阔， 此类阔都为直动式快 开快关型或先导式泄放阔， 它可以在管路的压力超过泄压安全阔的设定值后开启 泄压； 但当突然停泵时， 此类阔会迅速关闭， 致使阔出口管路中循环流速突然下 降， 并产生回流冲击压力， 速度突变会产生冲击压力波传递， 传递速度很高， 可 以使阔出口段压力升高至额定压力的数倍， 这就是管路中的水锤现象， 它可以导 致阔或管道破裂， 产生事故。
由于水锤产生的瞬时高压时间迅速， 而泄压安全阔的开启需要一定的时间， 因此其无法满足及时快速的泄压； 另外泄压安全阔开启泄压后， 当管道压力恢复 到设定压力值后， 泄放阔会快速关闭， 造成管道形成二次瞬时高压； 此二次瞬时 高压是由于泄放阔关闭速度过快而形成的， 对管道也会产生一定的破坏作用。 发明内容
本发明的目的就是要解决上述背景技术的不足， 提供一种水锤泄放阔， 它既 能快速开启用以消除水锤， 同时也能解决泄放阔自身关闭速度过快造成二次瞬时 高压的问题。
本发明的技术方案为：一种水锤泄放阀，它包括通过连接座连接的阀体和套管， 所述阔体内设有相互配合的阔座和阔瓣， 所述阔瓣设有中心轴， 所述套管内设有压 力调节系统，其特征在于：所述连接座的下端设有与阔瓣的中心轴相匹配的中心孔， 连接座的上端设有内孔， 中心孔与内孔相通， 阔瓣的中心轴穿过连接座的中心孔， 阔瓣的中心轴与压力调节系统之间设有活塞， 活塞密封设置在连接座的内孔中； 所 述连接座的侧面还通过连接管与油杯接通， 所述连接管上安装有单向节流阔。 在上述方案中：
所述的压力调节系统包括调节螺杆和弹簧，调节螺杆穿过套管的上端面， 弹簧 设置在套管内部， 调节螺杆和弹簧的上端之间设有定位板， 弹簧下端与活塞连接。
优选为： 所述的弹簧下端和活塞之间设有第三压板。
所述的阔座的侧壁为网格壁。
在所述阀座的上端面压装有压套。
所述的连接座的中心孔和阀瓣的中心轴之间套装有轴套， 轴套通过螺栓和第 二压板的相互配合固定在连接座上。 轴套作用在于防止阔瓣的中心轴的磨损及保 证中心轴和中心孔之间的密封效果。
所述的活塞和连接座的内孔之间设有衬套， 所述衬套通过螺栓与第三压板的 相互配合固定在连接座上， 衬套的设计用以防止活塞的磨损及活塞和内孔之间的 密封性能。
所述的连接管与连接座通过螺紋连接。
本发明的工作原理为：
通过调节螺杆预先设定弹簧的弹力， 保证弹簧的弹力值对应阔座的的压力值， 而在阔体内釆用了活塞平衡式结构， 即活塞和弹簧之间设有的第三压板， 可把阔前 水压的作用面积转换为一个较小的等效作用面积，从而可以减小与阔前水压相抗衡 的等效弹簧力。
当阔座的压力值高于与弹簧相对应预先设定的安全压力值后，阔瓣在压力的作 用下开启， 液压油从连接座内流入油杯时， 单向节流阔流道宽敞无阻， 基本上不阻 碍阔瓣的开启过程， 保证阔座能够快速开启进行泄压， 消除水锤保护管道的安全， 此过程中， 水流可能会进入阀座内， 阀座内壁的网格可使水流通过； 当阀体内部的 压力值达到与弹簧相对应预先设定的安全压力值后， 阔瓣下落， 液压油由油杯流入 连接座中， 由于单向节流阔的限流的作用， 液压油只能緩慢流入连接座的内孔中， 所以阔瓣在关闭过程中只能緩慢的移动， 直至关闭； 在阔瓣关闭过程中， 通过控制 油路的流量让阔瓣緩慢的关闭， 并且关闭速度可调。
本发明能够快速开启消除水锤， 同时能够緩慢緩闭， 避免了由于阔门关闭过快 而产生二次水锤， 是一种结构简单、 设计合理并具有很大的实用价值的水锤泄放 阔。 附图说明
图 1是本发明整体结构剖视图。 具体实施方式
下面结合附图和具体实施例对本发明作进一步的详细说明， 便于清楚地了解 本发明， 但它们不对本发明构成限定。
如图 1所示的一种水锤泄放阔，它包括通过连接座 7连接成整体的阔体 1和套 管 12, 连接座 7分别与阔体 1和套管 12通过螺栓固定连接。 阔体 1 内相互配合的 阔座 2和阔辦 4, 阔瓣 4设有中心轴 4.1。
套管 12 内设有压力调节系统， 所述的压力调节系统包括调节螺杆 14和弹簧 11 , 调节螺杆 14穿过套管 12的上端面， 弹簧 11设置在套管 12 内部， 调节螺杆 14和弹簧 11的上端之间设有定位板 13。
连接座 7的下端设有与阔瓣 4的中心轴 4.1相匹配的中心孔 7.1 , 连接座 7的 上端设有内孔 7.2, 中心孔 7.1与内孔 7.2相通， 阔瓣 4的中心轴 4.1穿过连接座 7 的中心孔 7.1 , 阔瓣 4的中心轴 4.1与压力调节系统中的弹簧 11的下端之间设有活 塞 9 , 活塞 9密封设置在连接座 7的内孔 7.2中。
本实施例中， 弹簧 11下端与活塞 9之间还设有第三压板 10。 调节螺杆 14可 预先设定弹簧 11的弹力， 保证弹簧 11的弹力值对应阔座 2的的压力值， 而在阔体 1 内釆用了活塞平衡式结构， 即活塞 9和弹簧 11之间设有的第三压板 10 , 可把阔 前水压的作用面积转换为一个较小的等效作用面积，从而可以减小与阀前水压相抗 衡的等效弹簧力。
本实例中， 阔座 2的侧壁为网格壁， 可把水流从网格中排泄出去。
在阔座 2的上端面和连接座 7之间压装有压套 5。
连接座 7的中心孔 7.1和阔瓣 4的中心轴 4.1之间套装有轴套 6 , 轴套 6通过 螺栓和第二压板 18的相互配合固定在连接座 7上， 轴套 6作用在于防止阔瓣 4的 中心轴 4.1的磨损及保证中心轴 4.1和中心孔 7.1之间的密封效果。 活塞 9和连接座 7的内孔 7.2之间设有衬套 8 , 衬套 8通过螺栓与第三压板 3 的相互配合固定在连接座 7上， 衬套 8的设计用以防止活塞 9的磨损及活塞 9和 内孔 7.2之间的密封性能。
在连接座 7的侧面还通过连接管 17与充满液压油的油杯 16接通， 连接管 17 与连接座 7通过螺紋连接， 在连接管 17上安装有单向节流阀 15。
本发明的工作原理为：
通过调节螺杆 14预先设定弹簧 11的弹力， 保证弹簧 11的弹力值对应阔座 2 的的压力值； 当阔座 2的压力值高于与弹簧 11相对应预先设定的安全压力值后， 阔瓣 4在压力的作用下开启， 液压油从连接座 7内流入油杯 16时， 单向节流阔 15 流道宽敞无阻，基本上不阻碍阔瓣 4的开启过程，保证阔座 2能够快速开启进行泄 压， 消除水锤保护管道的安全； 当阔体内部的压力值达到与弹簧 11相对应预先设 定的安全压力值后， 阔瓣 4下落， 液压油由油杯 16流入连接座 7中， 由于单向节 流阔 15的限流的作用， 液压油只能緩慢流入连接座 7的内孔中， 所以阔瓣 4在关 闭过程中只能緩慢的移动， 直至关闭； 在阔瓣 4关闭过程中， 通过控制油路的流量 让阔瓣 4緩慢的关闭， 并且关闭速度可调。
本发明结构简单， 设计合理， 能够快速开启消除水锤， 同时能够緩慢緩闭， 避 免了由于阔门关闭过快而产生二次水锤， 具有很大的实用价值。

Claims

权 利 要 求 书
1、 一种水锤泄放阔， 它包括通过连接座 （ 7 ) 连接的阔体 （ 1 ) 和套管 （ 12 ), 所述阔体 （ 1) 内设有相互配合的阔座 （2) 和阔瓣 （4), 所述阔瓣 （4) 设有中心 轴 （4.1), 所述套管 （ 12) 内设有压力调节系统， 其特征在于： 所述连接座 （7) 的下端设有与阔瓣（4) 的中心轴 （4.1)相匹配的中心孔（7.1), 连接座（7) 的上 端设有内孔 ( 7.2), 中心孔 ( 7.1 ) 与内孔 ( 7.2) 相通， 阔瓣 （4) 的中心轴 ( 4.1 ) 穿过连接座（7) 的中心孔 (7.1), 阔瓣（4) 的中心轴（4.1) 与压力调节系统之间 设有活塞 （9), 活塞 （9) 密封设置在连接座 （7) 的内孔 (7.2) 中； 所述连接座
(7) 的侧面还通过连接管 （ 17) 与油杯 （ 16)接通， 所述连接管 （ 17) 上安装有 单向节流阔 （ 15)。
2、 根据权利要求 1所述的水锤泄放阔， 其特征在于： 所述的压力调节系统包 括调节螺杆 （ 14) 和弹簧 （ 11), 调节螺杆 （ 14) 穿过套管 （ 12) 的上端面， 弹簧
( 11 )设置在套管 （ 12) 内部， 调节螺杆（ 14)和弹簧（ 11 ) 的上端之间设有定位 板 （ 13), 弹簧 （ 11) 下端与活塞 （9) 连接。
3、 根据权利要求 2所述的水锤泄放阔， 其特征在于： 所述的弹簧 （ 11) 下端 和活塞 （9) 之间设有第三压板 （ 10)。
4、 根据权利要求 1所述的水锤泄放阔， 其特征在于： 所述的阔座（2) 的侧壁 为网格壁。
5、 根据权利要求 1 所述的水锤泄放阔， 其特征在于： 在所述阔座 （2) 的上 端面压装有压套 （5)。
6、 根据权利要求 1 所述的水锤泄放阔， 其特征在于： 所述的连接座 （7) 的 中心孔 (7.1 ) 和阔瓣 （4) 的中心轴 （4.1) 之间套装有轴套（6), 轴套（6) 通过 螺栓和第二压板 （ 18) 的相互配合固定在连接座 （7) 上。
7、 根据权利要求 1 所述的水锤泄放阔， 其特征在于： 所述的活塞 （9) 和连 接座 （ 7 ) 的内孔之间设有衬套（ 8 ), 所述衬套 （ 8 ) 通过螺栓与第三压板（ 3 ) 的 相互配合固定在连接座 （7) 上。
8、 根据权利要求 1所述的水锤泄放阔， 其特征在于： 所述的连接管 （ 17) 与 连接座 （7) 通过螺紋连接。
6
PCT/CN2013/089673 2012-12-19 2013-12-17 水锤泄放阀 WO2014094599A1 (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN 201220708224 CN203009946U (zh) 2012-12-19 2012-12-19 水锤泄放阀
CN201210554829.7A CN103047457B (zh) 2012-12-19 2012-12-19 水锤泄放阀
CN201210554829.7 2012-12-19
CN201220708224.4 2012-12-19

Publications (1)

Publication Number Publication Date
WO2014094599A1 true WO2014094599A1 (zh) 2014-06-26

Family

ID=50977600

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/089673 WO2014094599A1 (zh) 2012-12-19 2013-12-17 水锤泄放阀

Country Status (1)

Country Link
WO (1) WO2014094599A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104565465A (zh) * 2014-12-31 2015-04-29 袁杰 一种污水泵压力自动调压阀
CN106870815A (zh) * 2017-03-17 2017-06-20 湖南泵阀制造有限公司 平衡型直动式水击泄放阀

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1333924A1 (ru) * 1985-05-11 1987-08-30 Ереванский политехнический институт им.К.Маркса Противогидроударный обратный клапан
SU1588976A1 (ru) * 1988-04-25 1990-08-30 Волжский Научно-Исследовательский Институт Гидротехники И Мелиорации Запорно-регулирующее устройство
AU2358797A (en) * 1996-05-24 1997-11-27 Fmc Corporation Gate valve bonnet assembly with built-in speed reducer
CN102003557A (zh) * 2010-11-09 2011-04-06 南通龙源电站阀门有限公司 一种超深煤矿的可调式高压微阻缓闭式止回阀
CN102797881A (zh) * 2012-02-23 2012-11-28 武汉大禹阀门股份有限公司 快开缓闭水锤泄放阀
CN103047457A (zh) * 2012-12-19 2013-04-17 武汉大禹阀门股份有限公司 水锤泄放阀
CN203009946U (zh) * 2012-12-19 2013-06-19 武汉大禹阀门股份有限公司 水锤泄放阀

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1333924A1 (ru) * 1985-05-11 1987-08-30 Ереванский политехнический институт им.К.Маркса Противогидроударный обратный клапан
SU1588976A1 (ru) * 1988-04-25 1990-08-30 Волжский Научно-Исследовательский Институт Гидротехники И Мелиорации Запорно-регулирующее устройство
AU2358797A (en) * 1996-05-24 1997-11-27 Fmc Corporation Gate valve bonnet assembly with built-in speed reducer
CN102003557A (zh) * 2010-11-09 2011-04-06 南通龙源电站阀门有限公司 一种超深煤矿的可调式高压微阻缓闭式止回阀
CN102797881A (zh) * 2012-02-23 2012-11-28 武汉大禹阀门股份有限公司 快开缓闭水锤泄放阀
CN103047457A (zh) * 2012-12-19 2013-04-17 武汉大禹阀门股份有限公司 水锤泄放阀
CN203009946U (zh) * 2012-12-19 2013-06-19 武汉大禹阀门股份有限公司 水锤泄放阀

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104565465A (zh) * 2014-12-31 2015-04-29 袁杰 一种污水泵压力自动调压阀
CN104565465B (zh) * 2014-12-31 2017-10-27 袁杰 一种污水泵压力自动调压阀
CN106870815A (zh) * 2017-03-17 2017-06-20 湖南泵阀制造有限公司 平衡型直动式水击泄放阀
CN106870815B (zh) * 2017-03-17 2022-12-20 湖南泵阀制造有限公司 平衡型直动式水击泄放阀

Similar Documents

Publication Publication Date Title
JP4290200B2 (ja) 減圧弁
CN107191653B (zh) 一种水击泄放阀
JP2007218424A (ja) 減圧バルブ
CN108131473A (zh) 一种带内置泄压功能的单向阀
CN103047457B (zh) 水锤泄放阀
CN104500796B (zh) 调压阀
WO2014094599A1 (zh) 水锤泄放阀
CN203009946U (zh) 水锤泄放阀
CN103759069A (zh) 一种防气蚀大压差可调减压阀
CN208204110U (zh) 一种带内置泄压功能的单向阀
CN201502761U (zh) 一种具有复合活门的减压阀
CN110500414B (zh) 汽轮机及其速关阀
CN202708220U (zh) 一种应用于给排水系统中泵的管路阀门的降噪结构
CN202252013U (zh) 具有子母蝶板的蝶阀
CN101985990B (zh) 金属双向密封阀腔安全泄放装置
CN104405936A (zh) 一种低阻力减压型倒流防止器
CN210088084U (zh) 抗冲刷复合阀组
CN204878881U (zh) 旋启式止回阀
CN110388486B (zh) 抗冲刷复合阀组
CN103968113A (zh) 一种低压大口径安全阀
CN207906538U (zh) 双阻尼无隔膜高压背压阀
CN107806522B (zh) 一种抽汽式速关逆止阀及其工作方法
CN202215805U (zh) 一种水击泄放阀
CN201836479U (zh) 金属双向密封阀腔安全泄放装置
CN203836300U (zh) 升降式静音止回阀

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13864443

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13864443

Country of ref document: EP

Kind code of ref document: A1