WO2019010664A1 - 座阀装置 - Google Patents

座阀装置 Download PDF

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Publication number
WO2019010664A1
WO2019010664A1 PCT/CN2017/092747 CN2017092747W WO2019010664A1 WO 2019010664 A1 WO2019010664 A1 WO 2019010664A1 CN 2017092747 W CN2017092747 W CN 2017092747W WO 2019010664 A1 WO2019010664 A1 WO 2019010664A1
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WIPO (PCT)
Prior art keywords
valve plug
chamber
plug
elastic member
valve
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PCT/CN2017/092747
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English (en)
French (fr)
Inventor
卓金星
王志猛
王锦燕
Original Assignee
卓金星
王志猛
王锦燕
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Application filed by 卓金星, 王志猛, 王锦燕 filed Critical 卓金星
Priority to PCT/CN2017/092747 priority Critical patent/WO2019010664A1/zh
Publication of WO2019010664A1 publication Critical patent/WO2019010664A1/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
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
    • F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
    • F16K11/22—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way valves

Definitions

  • the invention relates to a seat valve device.
  • the general seat valve device can be used not only in the food industry, but also in cosmetics or pharmaceutical manufacturing industries.
  • the seat valve can be used to switch the flow channel, connect multiple flow channels or separate the flow channels, so that the fluid in each flow channel can be Mix or split.
  • the prior art seat valve device such as the Taiwan Patent No. TWM533153, includes a valve body provided with an operating space, the operating space has an intake end on one side and a valve port on the other side;
  • the cylinder is provided with a cylinder chamber, and the cylinder chamber is provided with a base plate corresponding to the working space, and a shaft hole for connecting the working space is provided in the center of the cylinder base, and the shaft hole is provided for
  • a power shaft is disposed and movable, and a valve plug corresponding to the valve port of the valve body is disposed at the front end of the power shaft, and the utility model is characterized in that: an air inlet hole is arranged at the top of the working cylinder Connected to the cylinder chamber, an intake passage is disposed outside the base and communicated to the cylinder chamber, and a flow guiding passage that is connected to the power shaft is disposed on the valve plug.
  • the two elastic members respectively impinge on the power shaft and the valve plug to open and close the valve port.
  • the force of one of the elastic members against the power shaft is opposite to the force of the other elastic member against the valve plug, so that the power shaft is controlled by a plurality of air inlet holes and intake passages.
  • the technical problem to be solved by the present invention is that the prior art seat valve device is respectively biased against the power shaft and the valve plug by two elastic members to open and close the valve port.
  • the force of one of the elastic members against the power shaft is opposite to the force of the other elastic member against the valve plug, so that the power shaft is controlled by a plurality of air inlet holes and intake passages.
  • the present invention provides a seat valve device comprising: a first chamber; a cavity comprising a second chamber, a third chamber and a first-class passage, the flow passage communicating with the second chamber a chamber and a third chamber; a valve plug mechanism including a first valve plug movably extending between the first chamber and the cavity and extending into the cavity and movable relative to the cavity a second valve plug, the first valve plug is detachably looped against the inner ring wall of the flow channel to block the flow channel, and the second valve plug is detachably sealed to block the flow channel One end edge; a first elastic member is disposed in the first chamber to strike the first valve plug and an inner wall of the first chamber; a second elastic member is disposed between the first valve plug and the cavity One end of the second elastic member is elastically biased against the second valve plug, and the other end portion is elastically opposed to the first valve plug or the inner wall of the cavity.
  • the main object of the present invention is to provide a seat valve device which is simple in structure.
  • FIG. 1 is a perspective view of a first preferred embodiment of the present invention.
  • Figure 2 is an exploded view of the first preferred embodiment of the present invention.
  • Figure 3 is a cross-sectional view of the first preferred embodiment of the present invention.
  • Figure 4 is an actuation diagram of the first preferred embodiment of the present invention.
  • Figure 5 is a cross-sectional view showing a second preferred embodiment of the present invention.
  • Figure 6 is a diagram of the operation of the second preferred embodiment of the present invention.
  • Figure 7 is a diagram showing the state of use of a third preferred embodiment of the present invention.
  • Figure 8 is a diagram showing the state of use of a fourth preferred embodiment of the present invention.
  • valve plug mechanism 71: inlet port
  • the seat valve device 1 of the present invention includes a first chamber 10, a cavity 20, a valve plug mechanism 30, and a first bomb. A piece 40 and a second piece 50.
  • the cavity 20 includes a second chamber 21, a third chamber 22 and a first-stage channel 23.
  • the flow channel 23 communicates with the second chamber 21 and the third chamber 22;
  • the valve plug mechanism 30 includes a a first valve plug 31 extending between the first chamber 10 and the cavity 20 and a second valve plug 32 extending into the cavity 20 and movable relative to the cavity 20, the first
  • the valve plug 31 is detachably looped against the inner ring wall of the flow passage 23 to block the flow passage 23, and the second valve plug 32 is detachably sealed against one end edge of the flow passage 23;
  • the first elastic member 40 is disposed on the first chamber 10 and the first valve plug 31 and the inner wall of the first chamber 10;
  • the second elastic member 50 is disposed on the first valve plug 31 and the cavity Between 20, one end of the second elastic member 50 is elastically urged against the second valve plug 32, and the other end portion is urged against one of the first valve plug 31 or the inner wall of the cavity 20.
  • the flow path 23 can be selectively switched
  • the force acting on the second valve plug 32 by the second elastic member 50 is in the same direction as the force acting on the first valve plug 31 of the first elastic member 40.
  • the first chamber 10 is provided with a pressure flow hole 11 for selectively passing fluid to drive the first valve plug 31 to move.
  • the first valve plug can also be actuated by an actuator, such as a hydraulic cylinder, an electromagnetic actuator, or the like.
  • the second elastic member 50 is located between the first valve plug 31 and the second valve plug 32.
  • the second elastic member 50 is a tension spring.
  • One end of the second elastic member 50 is positioned at the first valve plug 31. The other end pulls the second valve plug 32, and pulls the second valve plug 32 against the end edge of the flow path 23 to enhance the sealing effect.
  • the first valve plug 31 is provided with a shaft hole 33.
  • the second valve plug 32 is movably disposed through the shaft hole 33.
  • the second elastic member 50 is disposed in the shaft hole 33.
  • the second elastic member 50 is not easily detached from the first valve plug 31.
  • the shaft hole 33 is a blind hole, and in other embodiments, the first valve plug 31 can also pass through.
  • valve plug mechanism 30 further includes a latch 34 that passes through the first valve plug 31 and the second elastic member 50.
  • the second elastic member 50 is coupled to the first valve plug 31.
  • the latch may also be a buckle provided in the shaft hole or other structure for positioning the second elastic member.
  • the second elastic member may also sleeve the first valve plug.
  • the outer diameter of the first valve plug 31 is smaller than the outer diameter of the second valve plug 32, and the sealing effect can be improved.
  • the first valve The plug 31 includes a first plug portion 311 and a second plug portion 312 connected to the first plug portion 311.
  • the first plug portion 311 is disposed in the first chamber 10, and the second plug portion 312 can be disengaged.
  • the ground ring blocks the inner ring wall of the flow channel 23 to block the flow channel 23; preferably, the first plug portion 311 is looped against the inner wall of the first chamber 10.
  • the first plug portion 311 is located between the pressure flow hole 11 and the cavity 20, and the first elastic member 40 is elastically opposed to the first plug portion 311 and the inner wall of the first chamber 10;
  • the fluid can push the first valve plug 31 to move toward the cavity 20, and the first elastic member 40 can provide the first valve plug 31 to elastically reset.
  • the second plug portion 311 is spaced apart from the second valve plug 32 to provide a buffer distance for the second plug portion 311 to move toward the second valve plug 32 to prevent the second plug portion 311 and
  • the second valve plug 32 is easily disengaged from the flow passage 23.
  • the second plug portion 312 is movably disposed in the third chamber 22 .
  • a second preferred embodiment of the present invention is shown, which differs from the first preferred embodiment in that the second elastic member 60 is a compression spring, and the second elastic member 60 is located at the second preferred embodiment.
  • the second elastic member 60 is biased against the first valve plug 31 and the second valve plug 32.
  • the second valve plug 32 is movably sleeved on the first valve plug 31, and the second spring member 60 is sleeved with the first valve plug 31, so that the second elastic member 60 is not easily separated from the first
  • the valve plug 31 is stably slid against the second valve plug 32 to seal the flow passage 23.
  • the second elastic member 60 can also be disposed in the cavity 20 to strike the inner wall of the cavity 20 and the second valve plug 32.
  • the second elastic member 60 is disposed in the first chamber 10.
  • the second plug portion 312 is movably disposed in the second chamber 21 .
  • the pressure flow hole 11 is located between the first plug portion 311 and the cavity 20; the second valve plug 32 is movably disposed in the second chamber 21; thereby, the pressure flow The hole 11 is for fluid to be introduced into the first chamber 10 to urge the first valve plug 31 to move in a direction opposite to the cavity 20.
  • the first valve plug 31 can be moved to drive the second valve plug 32 away from the flow channel 23, so that the second chamber 21 and the third chamber 22 communicate with each other; otherwise, the first valve plug
  • the elastic return can be used to reset the second valve plug 32 to close the flow passage 23 to block the second chamber 21 and the third chamber 22.
  • FIG. 7 and FIG. 8 show a third and fourth preferred embodiments, respectively, which differ from the first preferred embodiment in that the seat valve device 1 further includes a passage 70 , and the passage 70 is provided with a An inflow port 71 that is electrically connected to the outside and an outflow port 72 that is electrically connected to the outside, A chamber 80 is formed between the first valve plug 31, the second valve plug 32 and the flow passage 23, and the passage 70 communicates with the chamber 80.
  • the passage 70 is disposed in at least one of the first valve plug 31 and the second valve plug 32, for example, in a wall or a wall of the first valve plug 31 or the second valve plug 32.
  • the first valve plug 31 and the second valve plug 32 may be separately circulated. In other embodiments, the first valve plug and the second valve plug may also be disposed.
  • a fluid for example, a washing liquid

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)

Abstract

一种座阀装置(1)，包括：一第一腔室(10)；一腔体(20)，包括一第二腔室(21)、一第三腔室(22)及一流道(23)，该流道(23)连通该第二腔室(21)及该第三腔室(22)；一阀塞机构(30)包括一可移动地延伸于该第一腔室(10)与该腔体(20)之间的第一阀塞(31)及一伸入该腔体(20)中且可相对该腔体(20)移动的第二阀塞(32)，该第一阀塞(31)可脱开地环抵于该流道(23)之内环壁而阻断该流道(23)，该第二阀塞(32)可脱开地封抵阻断于该流道(23)的一端缘；一第一弹件(40)，设于该第一腔室(10)，弹抵该第一阀塞(31)及该第一腔室(10)的内壁；一第二弹件(50,60)，设于该第一阀塞(31)与该腔体(20)之间，该第二弹件(50,60)一端部弹抵该第二阀塞(32)，另一端部弹抵该第一阀塞(31)或该腔体(20)的内壁。该座阀装置(1)结构简易，避免了结构复杂以及制作费的损失。

Description

座阀装置 技术领域
本发明有关于一种座阀装置。
背景技术
一般座阀装置不仅可应用于食品工业，亦可用于化妆品或药品等制造业，座阀可用以开关流道、连通多个流道或可分隔该些流道，使各该流道中的流体可混合或分流。
现有技术的座阀装置如中国台湾专利号TWM533153，其包括一阀体设有一作动空间，该作动空间一侧设有进气端，另一侧设有阀门口；一作动缸对应组装于阀体作动空间的开口端，该作动缸设有一缸室，且缸室对应作动空间处设有一基台，该基台中央设有一连通作动空间的轴孔，该轴孔供一动力轴杆穿设并可活动位移，于该动力轴杆前端组设一可对应密合或脱离阀体阀门口的阀门塞者，其特征在于：于该作动缸顶部设有一进气孔连通至缸室，再于该基台外侧设有一进气通道且连通至缸室，并于该阀门塞上设有一导通至动力轴杆的导流通道。
现有技术的座阀装置，其通过二弹性件分别弹抵动力轴杆及阀门塞，以开关阀门口。然而，其中一弹性件弹抵于动力轴杆的作用力，与另一弹性件弹抵于阀门塞的作用力是反向，借以需通过多个进气孔及进气通道，控制动力轴杆移动，因而有结构复杂及制作费工的缺失。
因此，有必要提供一种新颖且具有进步性的座阀装置，以解决上述的问题。
技术问题
本发明所要解决的技术问题是：现有技术的座阀装置，其通过二弹性件分别弹抵动力轴杆及阀门塞，以开关阀门口。然而，其中一弹性件弹抵于动力轴杆的作用力，与另一弹性件弹抵于阀门塞的作用力是反向，借以需通过多个进气孔及进气通道，控制动力轴杆移动，因而有结构复杂及制作费工的缺失。
技术解决方案
为解决上述技术问题，本发明提供一种座阀装置，包括：一第一腔室；一腔体包括一第二腔室、一第三腔室及一流道，该流道连通该第二腔室及该第三腔室；一阀塞机构包括一可移动地延伸于该第一腔室与该腔体之间的第一阀塞及一伸入该腔体中且可相对该腔体移动之第二阀塞，该第一阀塞可脱开地环抵于该流道之内环壁而阻断该流道，该第二阀塞可脱开地封抵阻断于该流道之一端缘；一第一弹件设于该第一腔室，弹抵该第一阀塞及该第一腔室之内壁；一第二弹件设于该第一阀塞与该腔体之间，该第二弹件一端部弹抵该第二阀塞，另一端部弹抵该第一阀塞或该腔体的内壁。
有益效果
本发明的主要目的在于提供一种座阀装置，结构简易。
附图说明
图1为本发明一第一较佳实施例的立体图。
图2为本发明该第一较佳实施例的分解图。
图3为本发明该第一较佳实施例的剖面图。
图4为本发明该第一较佳实施例的作动图。
图5为本发明一第二较佳实施例的一剖面图。
图6为本发明该第二较佳实施例的作动图。
图7为本发明一第三较佳实施例的使用状态图。
图8为本发明一第四较佳实施例的使用状态图。
【符号说明】
1：座阀装置；                       312：第二塞部；
10：第一腔室；                      32：第二阀塞；
11：压力流孔；                      33：轴孔；
20：腔体；                          34：插销；
21：第二腔室；                      40：第一弹件；
22：第三腔室；                      50,60：第二弹件；
23：流道；                          70：通道；
30：阀塞机构；                      71：入流口；
31：第一阀塞；                      72：出流口；
311：第一塞部；                     80：容室。
本发明的实施方式
以下仅以实施例说明本发明可能之实施态样，然并非用以限制本发明所欲保护之范畴，合先叙明。
请参考图1至4，其显示本发明的一第一较佳实施例，本发明的座阀装置1包括一第一腔室10、一腔体20、一阀塞机构30、一第一弹件40及一第二弹件50。
该腔体20包括一第二腔室21、一第三腔室22及一流道23，该流道23连通该第二腔室21及该第三腔室22；该阀塞机构30包括一可移动地延伸于该第一腔室10与该腔体20之间的第一阀塞31及一伸入该腔体20中且可相对该腔体20移动的第二阀塞32，该第一阀塞31可脱开地环抵于该流道23的内环壁而阻断该流道23，该第二阀塞32可脱开地封抵阻断于该流道23的一端缘；该第一弹件40设于该第一腔室10，弹抵该第一阀塞31及该第一腔室10的内壁；该第二弹件50设于该第一阀塞31与该腔体20之间，该第二弹件50一端部弹抵该第二阀塞32，另一端部弹抵该第一阀塞31或该腔体20之内壁其中一者。借此，通过简易的结构，即可选择地开关该流道23。
较佳地，该第二弹件50作用于该第二阀塞32的作用力与该第一弹件40作用于该第一阀塞31的作用力同向。
其中，该第一腔室10设有一压力流孔11，可选择地让流体通过，以带动该第一阀塞31移动。于其他实施例，该第一阀塞亦可通过致动器作动，例如油压缸、电磁式致动器等。
该第二弹件50位于该第一阀塞31及该第二阀塞32之间，该第二弹件50为拉伸弹簧，该第二弹件50一端部定位于该第一阀塞31、另一端部弹拉该第二阀塞32，拉动该第二阀塞32紧抵于该流道23之该端缘，以提升密封效果。于本实施例中，该第一阀塞31设有一轴孔33，该第二阀塞32可移动地穿设该轴孔33，该第二弹件50设于该轴孔33中，如此该第二弹件50不易脱离该第一阀塞31。于本实施例中，该轴孔33为盲孔，于其他实施例中亦可贯通该第一阀塞31。进一步详细地说明，该阀塞机构30另包括一插销34，该插销34穿设该第一阀塞31及该第二弹件50，该第二弹件50得以连接于该第一阀塞31；于其他实施例中，该插销亦可为一设于该轴孔内的环扣，或其他可供该第二弹件定位的结构。此外，于其他实施例中，该第二弹件亦可套设该第一阀塞。
该第一阀塞31的外径小于该第二阀塞32的外径，可提升密封效果。于本实施例中，该第一阀 塞31包括一第一塞部311及一与该第一塞部311连接的第二塞部312，该第一塞部311设于该第一腔室10，该第二塞部312可脱开地环抵于该流道23的内环壁而阻断该流道23；较佳地，该第一塞部311环抵于该第一腔室10的内壁。详细地说，该第一塞部311位于该压力流孔11及该腔体20之间，该第一弹件40弹抵该第一塞部311及该第一腔室10的内壁；如此该流体可推动该第一阀塞31往该腔体20方向移动，而该第一弹件40可提供该第一阀塞31弹性复位。于本实施例中，该第二塞部311与该第二阀塞32间隔设置，提供该第二塞部311朝该第二阀塞32移动的缓冲距离，以防止该第二塞部311及该第二阀塞32轻易脱离该流道23。于本实施例中，该第二塞部312可活动地设于该第三腔室22内。
请参考图5至6，其显示本发明的一第二较佳实施例，与该第一较佳实施例的差异在于，该第二弹件60为压缩弹簧，该第二弹件60位于该第一阀塞31及该第二阀塞32之间，该第二弹件60弹抵该第一阀塞31及该第二阀塞32。较佳地，该第二阀塞32可活动地套设于该第一阀塞31，该第二弹件60套设该第一阀塞31，使该第二弹件60不易脱离该第一阀塞31，且可稳定地弹抵该第二阀塞32密封该流道23。此外，于其他实施例中，该第二弹件60亦可设于该腔体20内，弹抵该腔体20的内壁及该第二阀塞32。于本实施例中，该第二弹件60设于该第一腔室10内。其中，该第二塞部312可活动地设于该第二腔室21内。
于本实施例中，该压力流孔11位于该第一塞部311及该腔体20之间；该第二阀塞32可活动地设于该第二腔室21内；借以，该压力流孔11可供流体导入该第一腔室10，以推抵该第一阀塞31朝相反于该腔体20的方向移动。
在使用上，可移动该第一阀塞31带动该第二阀塞32同时脱离该流道23，使该第二腔室21及该第三腔室22相互连通；反之，该第一阀塞31可弹性复位地带动该第二阀塞32复位，以封闭该流道23而阻隔该第二腔室21及该第三腔室22。
另外，请参考图7、8，其显示一第三、四较佳实施例，分别与该第一较佳实施例的差异在于，该座阀装置1另包括一通道70，该通道70设有一向外导通的入流口71及一向外导通的出流口72， 该第一阀塞31、第二阀塞32及该流道23之间形成一容室80，该通道70连通该容室80。于本实施例中，该通道70设于该第一阀塞31及该第二阀塞32至少其中一者，例如设于该第一阀塞31或第二阀塞32的壁内或壁面，亦可分别流通该第一阀塞31及该第二阀塞32；于其他实施例中，亦可设于该第一阀塞及该第二阀塞之间。借以可从入流口71导入流体(例如清洗液)流经该容室80至该出流口72排出。

Claims (10)

  1. 一种座阀装置，其特征在于，包括：
    一第一腔室；
    一腔体，包括一第二腔室、一第三腔室及一流道，该流道连通该第二腔室及该第三腔室；
    一阀塞机构，包括一可移动地延伸于该第一腔室与该腔体之间的第一阀塞及一伸入该腔体中且可相对该腔体移动的第二阀塞，该第一阀塞可脱开地环抵于该流道的内环壁而阻断该流道，该第二阀塞可脱开地封抵阻断于该流道的一端缘；
    一第一弹件，设于该第一腔室，弹抵该第一阀塞及该第一腔室的内壁；
    一第二弹件，设于该第一阀塞与该腔体之间，该第二弹件一端部弹抵该第二阀塞，另一端部弹抵该第一阀塞或该腔体的内壁。
  2. 权利要求1所述的座阀装置，其特征在于，该第二弹件作用于该第二阀塞的作用力与该第一弹件作用于该第一阀塞的作用力同向。
  3. 权利要求1所述的座阀装置，其特征在于，还包括一通道，该通道设有一向外导通的入流口及一向外导通的出流口，该第一阀塞、第二阀塞及该流道之间形成一容室，该通道连通该容室。
  4. 权利要求1所述的座阀装置，其特征在于，该第二弹件位于该第一阀塞及该第二阀塞之间，该第二弹件为拉伸弹簧，该第二弹件一端部定位于该第一阀塞、另一端部弹拉该第二阀塞。
  5. 权利要求4所述的座阀装置，其特征在于，该第一阀塞设有一轴孔，该第二阀塞可移动地穿设该轴孔，该第二弹件设于该轴孔中。
  6. 权利要求1所述的座阀装置，其特征在于，该第二弹件位于该第一阀塞及该第二阀塞之间，该第二弹件为压缩弹簧，该第二弹件弹抵该第一阀塞及该第二阀塞。
  7. 权利要求1所述的座阀装置，其特征在于，该第二弹件为压缩弹簧，设于该腔体内，弹抵该腔体的内壁及该第二阀塞。
  8. 权利要求1至7其中任一项所述的座阀装置，其特征在于，该第一腔室设有一压力流孔。
  9. 权利要求5所述的座阀装置，其特征在于，该第二弹件作用于该第二阀塞的作用力与该第一弹件作用于该第一阀塞的作用力同向；还包括一通道，该通道设有一向外导通的入流口及一向外导通的出流口，该第一阀塞、第二阀塞及该流道之间形成一容室，该通道连通该容室；该通道设于该第一阀塞及该第二阀塞至少其中一者或前述二者之间；该第一阀塞的外径小于该第二阀塞的外径； 该第一腔室设有一压力流孔；该阀塞机构另包括一插销，该插销穿设该第一阀塞及该第二弹件；该第一阀塞包括一第一塞部及一与该第一塞部连接的第二塞部，该第一塞部设于该第一腔室，该第二塞部可脱开地环抵于该流道之内环壁而阻断该流道；该第一塞部位于该压力流孔及该腔体之间；该第一弹件弹抵该第一塞部及该第一腔室的内壁，该第二塞部可活动地设于该第三腔室内。
  10. 权利要求6所述的座阀装置，其特征在于，该第二弹件作用于该第二阀塞的作用力与该第一弹件作用于该第一阀塞的作用力同向；该第二阀塞可活动地套设于该第一阀塞，该第二弹件套设该第一阀塞；还包括一通道，该通道设有一向外导通的入流口及一向外导通的出流口，该第一阀塞、该第二阀塞及该流道之间形成一容室，该通道连通该容室；该通道设于该第一阀塞及该第二阀塞至少其中一者或前述二者之间；该第一阀塞的外径小于该第二阀塞的外径；该第一腔室设有一压力流孔；该第一阀塞包括一第一塞部及一与该第一塞部连接的第二塞部，该第一塞部设于该第一腔室，该第二塞部可脱开地环抵于该流道的内环壁而阻断该流道；该压力流孔位于该第一塞部及该腔体之间；该第二塞部可活动地设于该第二腔室内；该第二弹件设于该第一腔室内。
PCT/CN2017/092747 2017-07-13 2017-07-13 座阀装置 WO2019010664A1 (zh)

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Publication number Priority date Publication date Assignee Title
GB2096743A (en) * 1981-02-21 1982-10-20 Holstein & Kappert Gmbh A double seat valve
US4420011A (en) * 1981-12-08 1983-12-13 Harry Roger Dual piston sensing mechanism
JP2002106746A (ja) * 2000-09-29 2002-04-10 Fukuda:Kk 三方弁装置
JP2005163860A (ja) * 2003-12-01 2005-06-23 Bosch Rexroth Corp リリーフ機能付き方向切換弁
CN102042425A (zh) * 2010-02-09 2011-05-04 罗华奋 恒温阀芯
CN204328080U (zh) * 2014-11-21 2015-05-13 福建沃隆管阀制造有限公司 一种智能防混阀

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2096743A (en) * 1981-02-21 1982-10-20 Holstein & Kappert Gmbh A double seat valve
US4420011A (en) * 1981-12-08 1983-12-13 Harry Roger Dual piston sensing mechanism
JP2002106746A (ja) * 2000-09-29 2002-04-10 Fukuda:Kk 三方弁装置
JP2005163860A (ja) * 2003-12-01 2005-06-23 Bosch Rexroth Corp リリーフ機能付き方向切換弁
CN102042425A (zh) * 2010-02-09 2011-05-04 罗华奋 恒温阀芯
CN204328080U (zh) * 2014-11-21 2015-05-13 福建沃隆管阀制造有限公司 一种智能防混阀

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