584704 玖、發明說明 入室102往流出室104之通水。 另一方面，當導向孔111由關閉狀態切換成開放狀態 時，導向室110内之水則透過導向孔111朝流出室流出， 閥體109之圖中上面受到水壓而閥體119往下方推壓。其 5 結果是閥體109由閥座1〇6脫離且連通流入室102與流出 室104，並可由流入口 101往流出口 103通水。 如此，當水由流入口 101往流出口 103流通，電磁線 圈115通電且由活塞117關閉導向孔111時，藉水由流入 室102透過連絡孔112流入導向室110，導向室110内之 10 壓力急速升高，而閥體119則在瞬間朝圖中上方移動且隔 膜107抵接閥座106。 而且’在抵接時’隔膜107附近之水的體積受到壓縮 而水壓急速上昇，並且產生藉該水壓上昇產生之壓力波在 膜107與流入室1 〇2之端部間反覆反射，即所謂的水錘 15現象。而且，因該水錘現象，橡膠製之活塞1〇7產生振動 時，則隔膜107與閥座106之間會反覆開關，且因此時產 生之通水量之變化而使水壓持續變動，產生隔膜1〇7與閥 座106之間之止水不良等問題。 【明内】 20 發明欲解決之課題 本發明之目的在於提供一種可解決俞 !』鮮决則述問題，並在闊 口由開放狀態切換成關閉狀態時， 丁 J仰制隔膜式之閥體與 閥座間產生止水不良之電磁式給水閥。 6 584704 玖、發明說明 在此情況下，當前述閥座開始與前述第丨引導構件相 向時，由前述流入室往前述流出室之通水流量是藉前述閥 座與前述第1引導構件之間之間隙而限制成小於前述第j 限制流量之流量（以下，稱為第2限制流量）。 5 因此，前述闊口由開放狀態轉移成關閉狀態之過程中 ，由於由前述流入室往前述流出室之通水流量由前述第玉 限制流篁減少為前述第2限制流量，因此可關閉前述閥口 。而且，藉此，前述閥體抵接前述閥座時產生之壓力波變 小，且則述閥體之振動變小，因此可抑制抵接時前述閥體 1〇與前述閥座之間產生之止水不良。又，該抵接時即使產生 前述閥體之振動，也因為藉前述間隙將由前述流入室往前 述流出口之通水流量限制為在前述第2之限制流量以下， 且前述閥體之振動幅度變小，因此可快速減緩前述閥體之 振動。 又，其特徵在於形成前述第1引導構件以使前述間隙 相隔預定距離而成為固定間隔。 若根據本發明，當前述閥座與前述第丨引導構件在前 述預定距離之間相向時，由前述流入室往前述流出室之通 水流量係藉前述固定之間隔之間隙限制成小於前述第丨限 2〇制流量之固定流量。在此情況下，當前述閥體抵接前述闕 座7即使產生刖述閥體之振動，藉前述固定間隔之間隙 ，由前述流入室往前述流出室之通水流量亦為固定。因此 ，與4述閥體之振動同步，且抑制通水流量之變化，水壓 不會持續變動，可快速地減緩前述閥體之振動。 8 玖、發明說明 、二，、特徵在於形成前述第丨引導構件以使前述閥體 在接近如述閥座時，前述間隔會漸漸變狹小。 士讀據本發明，前述閥口由開放狀態轉移為關閉狀態 日守，右月.j述閥體接近前述閥座，且前述閥座開始與前述第 1引‘構件之前端對向時，前述閥座與前述第1引導構件 之間隔會漸漸變狹小。因此，由前述流人室往前述流出室 之通水流量會由前述第1限制流量緩慢移動為前述第2限 fj机里’藉此可抑制前述流入室之水壓變動。 10 15584704 (ii) Description of the invention The water flowing from the inlet chamber 102 to the outlet chamber 104 is passed. On the other hand, when the guide hole 111 is switched from the closed state to the open state, the water in the guide chamber 110 flows out through the guide hole 111 to the outflow chamber, and the valve body 109 in the figure is subjected to water pressure and the valve body 119 is pushed downward. Pressure. As a result, the valve body 109 is separated from the valve seat 106 and communicates with the inflow chamber 102 and the outflow chamber 104, and water can be passed from the inflow port 101 to the outflow port 103. In this way, when water flows from the inflow port 101 to the outflow port 103, the electromagnetic coil 115 is energized, and the guide hole 111 is closed by the piston 117, the water flows from the inflow chamber 102 through the communication hole 112 into the guide chamber 110, and the pressure in the guide chamber 110 is ten. It rises rapidly, and the valve body 119 moves upward in the figure in an instant, and the diaphragm 107 abuts the valve seat 106. Moreover, the volume of water near the diaphragm 107 is compressed at the time of abutment, and the water pressure rises rapidly, and a pressure wave generated by the rise of the water pressure is repeatedly reflected between the membrane 107 and the end of the inflow chamber 102, that is, The so-called water hammer 15 phenomenon. In addition, due to the water hammer phenomenon, when the rubber piston 107 is vibrated, the diaphragm 107 and the valve seat 106 are repeatedly opened and closed, and the water pressure continuously changes due to the change in the water flow rate, which causes the diaphragm. Problems such as poor water stop between 107 and valve seat 106. [Mingchi] 20 Problems to be Solved by the Invention The purpose of the present invention is to provide a valve that can solve the problems mentioned in the above rule, and when the wide mouth is switched from an open state to a closed state, Ding J makes a diaphragm-type valve body. Electromagnetic water supply valve with poor water stop between valve seat. 6 584704 发明 Description of the invention In this case, when the valve seat starts to face the first guide member, the water flow from the inflow chamber to the outflow chamber is between the valve seat and the first guide member. The gap is restricted to a flow rate smaller than the j-th restricted flow rate (hereinafter referred to as the second restricted flow rate). 5 Therefore, during the transition of the wide mouth from the open state to the closed state, the flow rate of the water from the inflow chamber to the outflow chamber is reduced from the first jade restricted flow to the second restricted flow, so the valve can be closed. mouth. In addition, by this, the pressure wave generated when the valve body abuts the valve seat is reduced, and the vibration of the valve body is reduced, so it is possible to suppress the pressure wave generated between the valve body 10 and the valve seat when abutting. Poor water stop. In addition, even if the aforesaid valve body vibrates during the abutment, the water flow rate from the inflow chamber to the outflow port is limited to the second restricted flow rate by the gap, and the vibration amplitude of the valve body changes. Small, so it can quickly slow down the vibration of the valve body. The first guide member is formed so that the gap is separated by a predetermined distance from each other to form a fixed interval. According to the present invention, when the valve seat and the first guide member face each other between the predetermined distances, the water flow rate from the inflow chamber to the outflow chamber is limited to be smaller than the aforementioned interval by a fixed interval. A fixed flow with a limit of 20 system flow. In this case, even if the valve body abuts the cymbal seat 7 even if the valve body vibrates, the water flow rate from the inflow chamber to the outflow chamber is fixed by the fixed interval. Therefore, it is synchronized with the vibration of the valve body described above, and the change of the water flow rate is suppressed, and the water pressure does not continuously change, which can quickly reduce the vibration of the valve body. 8 (2) Description of the invention (2) The feature is that the aforementioned first guide member is formed so that when the valve body approaches the valve seat as described above, the interval becomes gradually narrower. According to the present invention, when the valve port is switched from an open state to a closed state, the day guard, the right month. When the valve body approaches the valve seat, and the valve seat starts to face the front end of the first lead member, the aforementioned The distance between the valve seat and the first guide member is gradually narrowed. Therefore, the flow rate of water passing from the flow-through room to the flow-out room will be gradually moved from the flow-limiting flow rate to the flow-limiting flow rate of the second flow-limiting machine. 10 15
又，其特徵在於··具有使前述閥體僅可在與前述闕座 相向之方向上移動之第2引導構件。 若根據本發明，藉由前述第2引導構件規定限制前述 閥體之移動方向，使前述閥口為關閉狀態時，可確實地使 前述閥座與前述第1引導構件相向。 【實方式】 發明之實施型態It is also characterized by having a second guide member that allows the valve body to move only in a direction facing the sley. According to the present invention, the movement direction of the valve body is restricted by the second guide member, and when the valve port is closed, the valve seat can be surely opposed to the first guide member. [Real way] Implementation mode of the invention
以下參照第1圖至第3圖對本發明之第j及第2實施 型態加以說明。第1圖係本發明之第j實施型態中之電磁 式給水閥之全體構成圖，第2圖係第丨圖所示之電磁式給 水閥之閥構造之詳細圖，第3圖係本發明之第2實施型態 20中之電磁式給水閥之閥構造之詳細圖。 百先’參照第1圖及第2圖對本發明之第i實施型態 加以說明。第1圖所示之電磁式給水閥i係用以控制於本 體2形成之流入口 3與流出口 4之間的通水者，並鄰接與 流入口 3連通之流入室5，與透過水量限制孔6(相當於本 9 584704 玖、發明說明 發明之水量限制部）與流出口 4連通之流出室7而形成。 且在流入室5與流出t 7之間形成閥口 8,並於閥口 8 固定安裝有閥座9。而且，將隔膜板12嵌入於以橡膠㈣ 軟材料形成之隔膜10之中央之所形成之中央孔u，並由 5隔膜與隔膜板12構成隔膜式之閥體13。 又，閥體13於圖中下側設置有導向室14，並於隔膜 板12穿設有連通流出室7與導向室14之導向孔15、及連 通流入室5與導向室14之連絡孔16。而且，與形成於導 · 向孔15之前端導向閥座17接離且開關導向孔15之活塞 ίο μ，其中心係合一地配設於導向孔15之中心線上。 活塞18係藉彈簧19賦予朝向圖中上方之勢能，且電 磁線圈20未通電之狀態下，係藉彈簧19之賦勢力朝圖中 上方移動且抵接導向闊座17，而導向孔則呈關閉狀態（圖 中所不之狀態）。另一方面，電磁線圈2〇通電之狀態下， 15活塞18藉由於電磁線圈20之周邊形成之磁性電路之漏磁 通量來抵抗彈簧19之賦勢力且朝下方移動，且活塞18由 · 導向閥座17分離而導向孔15呈開放狀態。再者，本發明 之導向電磁閥係由導向閥座17、活塞18、彈簧19及電磁 線圈20構成。 -〇 其次’對電磁式給水閥1之動作加以說明。在切斷往 電磁線圈20之通電之狀態下，則如上所述，活塞18抵接 導向閥座17且導向孔15呈關閉狀態。而且在該狀態下， 水由流入室5透過連絡孔16流入導向室14内，導向室14 内之水壓上升至入水壓力，且導向室14内之壓力高於流出 10 玖、發明說明 室7内之壓力。其結果是閥體13朝圖中上方推升’闊體 13之隔板10抵接閥座9且閥座9為關閉狀態，而切斷由 流入室5往流出室7之通水。 另一方面，電磁線圈已通電之狀態下，係如上所述， 活基18朝下方移動且由導向閥座17脫離，而導向孔15則 呈開放狀態。而且在該狀態下，由流入室5透過連絡孔16 流入導向室14内之水則透過導向孔15朝流出室7流出。 因此，藉由來自流入室5之入水壓力，閥體13朝圖中下方 推降，閥體13由閥座9分離且閥口 8呈開放狀態，而可進 行由流入室5往流出室7之通水。 而且，電磁式給水閥1中，切斷往電磁線圈2〇之通電 且閥體13之隔膜1〇抵接閥座9時，藉由流入室$内急速 之壓力變化而產生壓力波並振動隔膜1〇，且為了抑制因該 振動而隔冑10與閥座9之間產生止水不良，因此於隔膜 10形成第1之引導部30(相當於本發明之第i引導構件)。 以下’參照第2圖對m㈣3G之作収果加以說明 第2圖係顯示切斷往電磁線圈2〇之通電且導向孔 呈關閉狀態，而闕體13朝上方移動之途中之狀態。當闕體 13之隔膜1〇接近閥座9時，係形成第Η丨導部30由外側 #圍門^9之外周面31。而且，當閥座9之外周面31與 弟1引導部30呈相向時，在此 、 引猎由水夏限制孔6限制 ό ^ (下，稱為第1限制 流1)，係經過闕座9與第】引導部3〇 制 曰’相隔預定距離f 玖、發明說明 後’藉固定間隔之間隙d而pp a 、而限制成小於該第1限制流量之 &量（以下’稱為第2限制流量）。 因此’閥體13朝圖φ μ _ 中上方私動且隔膜10抵接閥座9 時，由於使由流入室5拄、、ώ * — π < /爪出至7之通水流量由前述第1 限制流量減少成前述第2 ρρ在丨丨、ώ旦m 限制/m•里’因此可使隔膜10抵接 闕座2而且’猎此’閥體13之隔们〇抵接閥座9時產 κ至5内之水壓變動會變小，且抑制隔膜之振動The j-th and second embodiments of the present invention will be described below with reference to Figs. 1 to 3. FIG. 1 is an overall configuration diagram of the electromagnetic water supply valve in the j-th embodiment of the present invention, and FIG. 2 is a detailed diagram of the valve structure of the electromagnetic water supply valve shown in FIG. 丨, and FIG. 3 is the present invention Detailed drawing of the valve structure of the electromagnetic water supply valve in the second embodiment 20. Baixian 'will describe the i-th embodiment of the present invention with reference to Figs. 1 and 2. The electromagnetic water supply valve i shown in FIG. 1 is used to control the water flow between the inflow port 3 and the outflow port 4 formed by the main body 2, and is adjacent to the inflow chamber 5 communicating with the inflow port 3 and restricts the amount of permeated water. The hole 6 (corresponding to this 9 584704 玖, the water amount restricting portion of the invention description) is formed with the outflow chamber 7 communicating with the outflow port 4. A valve port 8 is formed between the inflow chamber 5 and the outflow t 7, and a valve seat 9 is fixed to the valve port 8. Further, the diaphragm plate 12 is fitted into a central hole u formed in the center of the diaphragm 10 formed of a rubber ㈣ soft material, and a diaphragm valve body 13 is formed by the diaphragm and the diaphragm plate 12. In addition, the valve body 13 is provided with a guide chamber 14 at the lower side in the figure, and a diaphragm hole 12 is provided with a guide hole 15 connecting the outflow chamber 7 and the guide chamber 14, and a communication hole 16 connecting the inflow chamber 5 and the guide chamber 14. . Further, the center of the piston which is separated from the guide valve seat 17 formed at the front end of the guide hole 15 and opens and closes the guide hole 15 is arranged on the center line of the guide hole 15 in a unified manner. The piston 18 is provided with potential energy toward the upper part of the figure by the spring 19, and the electromagnetic coil 20 is not energized. The piston 18 is moved toward the upper part of the figure by the force of the spring 19 and abuts the guide seat 17, and the guide hole is closed Status (not shown in the picture). On the other hand, when the electromagnetic coil 20 is energized, the 15 piston 18 moves downward due to the magnetic flux leakage from the magnetic circuit formed around the electromagnetic coil 20, and the piston 18 is guided to the valve seat by the 17 is separated and the guide hole 15 is opened. The pilot solenoid valve of the present invention is composed of a pilot valve seat 17, a piston 18, a spring 19, and an electromagnetic coil 20. -〇 Next, the operation of the electromagnetic water supply valve 1 will be described. In a state where the current to the electromagnetic coil 20 is cut off, as described above, the piston 18 abuts the guide valve seat 17 and the guide hole 15 is closed. Moreover, in this state, water flows from the inflow chamber 5 into the guide chamber 14 through the communication hole 16, and the water pressure in the guide chamber 14 rises to the water inlet pressure, and the pressure in the guide chamber 14 is higher than the outflow 10 玖, the invention description room 7 Internal pressure. As a result, the valve body 13 pushes the partition plate 10 of the wide body 13 upward in the figure to abut the valve seat 9 and the valve seat 9 is in a closed state, and the water flow from the inflow chamber 5 to the outflow chamber 7 is cut off. On the other hand, when the electromagnetic coil is energized, as described above, the movable base 18 moves downward and is detached by the guide valve seat 17, and the guide hole 15 is opened. In this state, the water flowing from the inflow chamber 5 through the communication hole 16 into the guide chamber 14 flows out through the guide hole 15 to the outflow chamber 7. Therefore, by the water inlet pressure from the inflow chamber 5, the valve body 13 is pushed downward in the figure. The valve body 13 is separated by the valve seat 9 and the valve port 8 is in an open state. Through water. Further, in the electromagnetic water supply valve 1, when the current to the electromagnetic coil 20 is cut off and the diaphragm 10 of the valve body 13 abuts against the valve seat 9, a rapid pressure change in the inflow chamber $ generates a pressure wave and vibrates the diaphragm. 10, and in order to suppress the occurrence of poor water stopping between the diaphragm 10 and the valve seat 9 due to the vibration, a first guide portion 30 (corresponding to the i-th guide member of the present invention) is formed in the diaphragm 10. Hereinafter, the results of m㈣3G will be described with reference to Fig. 2. Fig. 2 shows a state in which energization to the electromagnetic coil 20 is cut off and the guide hole is closed, while the carcass 13 is moving upward. When the diaphragm 10 of the carcass 13 approaches the valve seat 9, the third guide portion 30 is formed by the outer periphery 31 surrounding the door ^ 9. Further, when the outer peripheral surface 31 of the valve seat 9 faces the guide part 30 of the brother 1, here, the guide is restricted by the water summer restriction hole 6 (hereinafter, referred to as the first restriction flow 1), and passes through the seat 9th and 1st] The guide unit 30 is said to be "separated by a predetermined distance f", after the description of the invention, "by a fixed interval gap d and pp a, and limited to less than the & 2 limit traffic). Therefore, when the 'valve body 13 moves toward the upper and middle positions of the figure φ μ _ and the diaphragm 10 abuts the valve seat 9, the flow of water from the inflow chamber 5 拄, ώ * — π < / claw out to 7 is determined by the foregoing The first restricted flow rate is reduced to the aforementioned second ρρ in the above-mentioned m limit / m • mile ', so that the diaphragm 10 can abut the seat 2 and the spacers of the' hunting 'valve body 13 abut the valve seat 9 The water pressure fluctuation within κ to 5 will be reduced, and the diaphragm vibration is suppressed
’而可防止隔膜1〇與閥座9間產生止水不良。 又’闕座9與第1引導部3G相向之狀態下，即使藉隔 膜曰!〇之振動來開關閥座9,由流入室5往流出室7之通水 流置亦可為限制在前述第2限制流量以下之固定流量。因 此可抑制由",L入室5往流出冑7之通水流量與隔膜ι〇之 振動連動而產生變動，藉此，即使是產生_以振動之 情況，水魔也不會繼續變動，而可快速地減緩該振動。 5 又，第1引導部30之前端部32係帶有R形狀而形成Therefore, it is possible to prevent the occurrence of poor water stoppage between the diaphragm 10 and the valve seat 9. When the seat 9 and the first guide portion 3G face each other, even if the valve seat 9 is opened and closed by the vibration of the diaphragm, the flow of water from the inflow chamber 5 to the outflow chamber 7 can be restricted to the aforementioned second. Fixed flow below limit flow. Therefore, it is possible to suppress the change in the flow rate of the water passing from " L into the chamber 5 to the outflow 胄 7 in conjunction with the vibration of the diaphragm ι〇, thereby preventing the water monster from continuing to change even in the case of vibration. This vibration can be slowed down quickly. 5 The front end portion 32 of the first guide portion 30 is formed in an R shape.
。而且該R形狀係產生作用以使閥體13朝圖中上方移動 且由閥座9與第！引導部30開始相向至閥體13接近閥座 9且間隙之間隔為d，閥座9與第1引導部3〇之間之間隙 會漸漸變狹小。因此，當閥座9與第丨引導部3〇開始相向 20時，可使流入室5往流出室7之通水流量依據該R形狀， 由前述第1限制流量緩慢地變化成前述第2限制流量。 而且，藉此，可防止流入室5内之水壓之急速的變化 ’且使隔膜10抵接閥座9時產生之壓力波變小，並可抑制 隔膜10之振動。更進一步，藉該R形狀，可得到使閥座9 12 584704 玖、發明說明 引入第1引導部30之内側之效果。 又，隔膜板12插入閥座9之内側之處形成使閥體之移 動限制在圖中上下方向之鰭狀之第2引導部33 ,藉此，閥 體13之隔膜1〇抵接閥座9時，閥座9與第i引導部⑽會 5 確實成為相向。 其次，參照第3圖對本發明之第2實施形態加以說明 。再者，對於與第i圖及第2圖所示之構造相同之構造則 賦與相同符號且省略說明。本第2實施形態中之電磁式給 水閥相對於前述第1實施形態中之電磁式給水閥j，僅閥 10 體之構造係相異的。 參照第3圖，本第2實施形態中之闊體4〇係與前述第 1實施形態中之閥體13同樣地，將隔膜板43嵌入以橡膠 等柔軟材料形成之隔膜41之中央所形成之中心穴42而構 成。而且，當閥體40之隔膜41接近閥座9時，於隔膜41 心成有與閥座9之内周面51相向地形成之圓筒形狀之第1 引導部50(相當於本發明之第i引導構件）。 第3圖與第2圖同樣地顯示切斷往電磁線圈2〇之通電 閥肢40朝上方移動之圖中之狀態。當閥體朝上方移 動且閥座9之内周面51與第1引導部50呈相向時，在此 20之前藉由水量限制孔6限制之由流入室5往流出室7之通 歇1 (第1限制流量），係經過閥座9與第1引導部50間 、 離g後’藉固疋間隔之間隙e而限制成小於該第 1限制流量之流量（以下，稱為第3限制流量）。 因此，閥體40朝圖中上方移動且隔膜41抵接閥座9 13 584704 玖、發明說明 t由方；使由机入至5往流出室7之通水流量由前述第！ 阳制机里減夕成刖述第3限制流量，因此可使隔膜Μ抵接 閥座9。而且，藉此，盥义，# 一 ，、則述弟1貫施形態之情況相同， 閥體40抵接闕座9時產生之流入室5内之水壓變動會變小 5 ’並可抑制隔膜41之振動。 *又’難9與第1料部50相向之狀態下，即使藉隔 膜41之振動來開關閥口 8 ’由流人室5往流出室7之通水 流量亦為限制在前述第3限制流量以下之时流量。因此 可抑制由流入至5往流出室7之通水流量與隔膜41之振 10動連動而產生變動，藉此，即使是產生隔膜41之振動之情 兄水>£也不會繼續變動，而可快速地減緩該振動。 又，第1引導部50之前端部52與前述第1實施中之 第/引導構件30同樣地形成具有R形狀，藉此，當闕座9 與第1引導部50開始相向時’則抑制流入室5内之水壓急 1 5 速的變化。 一 再者，如述第1及第2實施形態中，雖使第丨引導部 3〇 5()之前端部為R形狀，但亦可為閥體13、4〇接近至 閥座9且間隙之間隔為d、e，闕座9與第1引導部3〇、5〇 之間的間隙為漸漸變狹小之形狀（例如傾斜形狀等）。又， 即使為不具有該形狀之形態亦可得到於閉閥辟快速地減緩 隔膜10、41之振動之本發明之效果。 又，前述第1及第2實施形態中，係設置第2引導構 件33且限定閥體13、40之移動僅在與閥座9相向之方向 ，但即使為不設置第2引導構件33之情況亦可得到本發明 14 玖、發明說明 之效果。 又，刖述第1及第2之實施形態令，係使第i ^導部 〇 50 -體地形成於隔M 1〇、41，但亦可使隔膜板 43之鰭狀之第2引導部33之下端部分—參照第2 圓筒形狀’且該下端部分7〇之外周面與閥座9之内周面旦 有間隙且相向，並藉該間隙來限制由流入室5往流出室^ 之通水流量。該形態是下端部分70作用為本發明之第1之 引導構件，且不須於隔膜1〇、41形成第j引導部3〇 5〇 〇 10 又，前述第1及第2實施形態中，係顯示使用水量限 制孔6之例作為本發明之水量限制部，但亦可藉調節器限 制開閥時由流入室5往流出室7之通水流量。 【圖式簡單說明】 15 冑1 _係本發明之帛1實施形態中之電磁式給水閥之 全體構成圖。 第2圖係第1圖所示之電磁式給水閥之閥構造之詳細 圖。 第3圖係本發明之第2實施形態中之電磁式給水閥之 20 構造之詳細圖。 第4圖係習知之電磁式給水閥之全體構成圖。 15 584704 玖、發明說明 【圖式之主要元件代表符號表】 1...電磁式給水閥 30,50··.第1引導部 2,100···本體 31...外周面 3,101…流入口 32···前端部 4,103··.流出口 33...第2引導部 5,102...流入室 51...内周面 6…水量限制孔 70…下端部分 7,104.··流出室 d^e…間隙 8,105…閥口 f，g···預定距離 9,106···閥座 10,41，107···隔膜 11，42··.中心孔 12,43,108···隔膜板 13,40,109…闊體 14,110…導向室 15.111.. .導向孔 16,112·.·連絡孔 17.. .導向閥座 18，117...活塞 19,116…彈簧 16. And the R shape system works to move the valve body 13 upward in the figure, and the valve seat 9 and the first! The guide portion 30 starts to face each other until the valve body 13 approaches the valve seat 9 with a gap interval of d, and the gap between the valve seat 9 and the first guide portion 30 gradually narrows. Therefore, when the valve seat 9 and the first guide portion 30 start to face 20, the water flow rate of the inflow chamber 5 to the outflow chamber 7 can be gradually changed from the aforementioned first restriction flow rate to the aforementioned second restriction according to the R shape. flow. Furthermore, by this, it is possible to prevent a rapid change in the water pressure flowing into the chamber 5 and to reduce the pressure wave generated when the diaphragm 10 abuts the valve seat 9, and to suppress the vibration of the diaphragm 10. Furthermore, by virtue of this R shape, it is possible to obtain the effect that the valve seat 9 12 584704 玖 is introduced into the inside of the first guide portion 30. In addition, the diaphragm plate 12 is inserted into the inside of the valve seat 9 to form a fin-shaped second guide portion 33 that restricts the movement of the valve body in the up-down direction in the figure, whereby the diaphragm 10 of the valve body 13 abuts against the valve seat 9 At this time, the valve seat 9 and the i-th guide portion 5 will surely face each other. Next, a second embodiment of the present invention will be described with reference to FIG. 3. It should be noted that the same structures as those shown in Figs. I and 2 are given the same reference numerals and descriptions thereof are omitted. The electromagnetic water supply valve in the second embodiment differs from the electromagnetic water supply valve j in the first embodiment described above only in the structure of the valve body. Referring to FIG. 3, the wide body 40 in the second embodiment is formed by inserting a diaphragm plate 43 in the center of a diaphragm 41 made of a soft material such as rubber, similarly to the valve body 13 in the first embodiment. The central point 42 is formed. When the diaphragm 41 of the valve body 40 approaches the valve seat 9, a cylindrical first guide portion 50 (corresponding to the first aspect of the present invention) is formed in the center of the diaphragm 41 so as to face the inner peripheral surface 51 of the valve seat 9. i-guide member). Fig. 3 shows the state in the figure in which the valve limb 40 moving upward is cut off in the same manner as in Fig. 2. When the valve body moves upward and the inner peripheral surface 51 of the valve seat 9 faces the first guide portion 50, the opening from the inflow chamber 5 to the outflow chamber 7 is restricted by the water amount restriction hole 6 before 20 (1 The first restricted flow rate) is a flow rate that is restricted to be smaller than the first restricted flow rate (hereinafter referred to as the third restricted flow rate) by passing through the gap e between the valve seat 9 and the first guide portion 50 and separated by g. ). Therefore, the valve body 40 moves upward in the figure and the diaphragm 41 abuts the valve seat 9 13 584704 玖, description of the invention t from the side; so that the flow of water from the machine to the 5 to the outflow chamber 7 is from the first! Since the third restriction flow rate is described in the male machine, the diaphragm M can be brought into contact with the valve seat 9. Moreover, with this, the meaning of # 1, and the shape of the first embodiment is the same, and the fluctuation of the water pressure in the chamber 5 generated when the valve body 40 abuts the seat 9 is reduced by 5 ′ and can be suppressed. The vibration of the diaphragm 41. * Also in the state where Difficulty 9 is facing the first material part 50, even if the valve port 8 is opened and closed by the vibration of the diaphragm 41, the water flow rate from the flow-through chamber 5 to the outflow chamber 7 is also limited to the aforementioned third restricted flow rate The following times flow. Therefore, it is possible to suppress the change from the flow rate of the water flowing from the inflow to the outflow chamber 7 to the vibration of the diaphragm 41, thereby preventing the vibration of the diaphragm 41 from changing, even if it is the love water of the diaphragm 41. And this vibration can be slowed down quickly. In addition, the front end portion 52 of the first guide portion 50 is formed in an R shape similarly to the first / guide member 30 in the first embodiment, thereby suppressing the inflow when the seat 9 and the first guide portion 50 start to face each other. The water pressure in the chamber 5 changes abruptly at 15 speeds. Repeatedly, as described in the first and second embodiments, although the front end portion of the first guide portion 305 () is R-shaped, the valve bodies 13 and 40 may approach the valve seat 9 and have a clearance. The intervals are d and e, and the gap between the pedestal 9 and the first guide portions 30 and 50 has a gradually narrow shape (for example, an inclined shape). In addition, the effect of the present invention in which the vibration of the diaphragms 10 and 41 can be quickly reduced in the closed valve can be obtained even in a form having no such shape. In the first and second embodiments, the second guide member 33 is provided, and the movement of the valve bodies 13 and 40 is limited to the direction facing the valve seat 9. However, even if the second guide member 33 is not provided, The effects of the 14th invention and the invention description can also be obtained. In addition, the first and second embodiments are described so that the i-th guide portion 0050 is integrally formed at the partitions M 10 and 41, but the fin-shaped second guide portion of the diaphragm plate 43 may also be formed. 33 lower end portion—refer to the second cylindrical shape 'and the outer peripheral surface of the lower end portion 70 has a gap with the inner peripheral surface of the valve seat 9 and faces each other, and the gap is used to restrict the flow from the inflow chamber 5 to the outflow chamber ^ Water flow. In this form, the lower end portion 70 functions as the first guide member of the present invention, and it is not necessary to form the j-th guide portion 35000 on the diaphragms 10 and 41. In the first and second embodiments described above, An example in which the water amount restriction hole 6 is used is shown as the water amount restriction portion of the present invention, but the flow rate of the water passing from the inflow chamber 5 to the outflow chamber 7 when the valve is opened can also be restricted. [Brief description of the drawings] 15 胄 1 _ is the overall configuration diagram of the electromagnetic water supply valve in the 帛 1 embodiment of the present invention. Fig. 2 is a detailed diagram of the valve structure of the electromagnetic water supply valve shown in Fig. 1. Fig. 3 is a detailed view of the structure of the electromagnetic water supply valve according to the second embodiment of the present invention. Fig. 4 is an overall configuration diagram of a conventional electromagnetic water supply valve. 15 584704 发明 Description of the invention [Representative symbols for main components of the drawing] 1 ... Electromagnetic water supply valve 30,50 ... The first guide part 2,100 ... The body 31 ... The outer peripheral surface 3,101 ... The inlet 32 ··· Front end portion 4,103 ... Outflow port 33 ... Second guide portion 5,102 ... Inflow chamber 51 ... Inner peripheral surface 6 ... Water volume restriction hole 70 ... Lower end portion 7,104 ... Outflow chamber d ^ e … Clearance 8,105… valve f, g ·· predetermined distance 9,106 ·· valve seat 10,41,107 ·· diaphragm 11,42 ·· center hole 12,43,108 ·· diaphragm plate 13,40,109… wide Body 14,110 ... Guide chamber 15.111 ... Guide hole 16,112 ... Communication hole 17. Guide valve seat 18,117 ... Piston 19,116 ... Spring 16