JPH0348464Y2 - - Google Patents
Info
- Publication number
- JPH0348464Y2 JPH0348464Y2 JP8649888U JP8649888U JPH0348464Y2 JP H0348464 Y2 JPH0348464 Y2 JP H0348464Y2 JP 8649888 U JP8649888 U JP 8649888U JP 8649888 U JP8649888 U JP 8649888U JP H0348464 Y2 JPH0348464 Y2 JP H0348464Y2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve seat
- solenoid
- electromagnetic vibrator
- control circuit
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Landscapes
- Magnetically Actuated Valves (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は電磁弁に関し、特に、弁の開放を容易
に行うことができる電磁弁に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a solenoid valve, and particularly to a solenoid valve that can easily open the valve.
一般に、従来の電磁弁は、弁座との当接部に弾
性部材よりなる弁シートを装着した弁体を、付勢
部材によつて付勢して弁座に着座し、この弁体
を、ソレノイドを作動させて移動して開弁状態と
していた。
Generally, in a conventional electromagnetic valve, a valve element, which has a valve seat made of an elastic member attached to the contact part with the valve seat, is urged by a biasing member to sit on the valve seat, and the valve element is seated on the valve seat. The solenoid was activated and moved to open the valve.
しかしながら、このような従来のものにあつて
は、弁体の弁座との当接部にシール性等を向上さ
せるため、ゴム等の弾性部材よりなる弁シートが
装着されており、この弁シートが時間の経過とと
もに粘着力を生じ、弁シートと弁座とが密着し、
ソレノイドを作動しても弁シートの粘着力によつ
て、開弁できなくなる恐れがあるという問題点を
有していた。
However, in such conventional valve seats, a valve seat made of an elastic material such as rubber is attached to the part where the valve body contacts the valve seat in order to improve sealing performance. develops adhesive force over time, causing the valve seat and valve seat to come into close contact.
There is a problem in that even if the solenoid is activated, the valve may not open due to the adhesive force of the valve seat.
本考案は前記のような従来のもののもつ問題点
を解決して、常に円滑に開弁状態となる電磁弁を
提供することを目的とするものである。 The object of the present invention is to solve the problems of the conventional ones as described above and to provide a solenoid valve that always opens smoothly.
本考案は前記のような目的を達成するため、付
勢部材によつて弁座を閉塞する弁体の前記弁座と
の当接部に、弾性部材からなる弁シートを装着
し、ソレノイドへの通電時に前記弁体を前記付勢
部材に抗して移動して開弁状態とする電磁弁にお
いて、前記弁座の近傍に電磁バイブレータを設け
るとともに、制御回路を設け、この前記制御回路
で、通電と同時に前記電磁バイブレータを作動
し、この後所定時間経過後に前記ソレノイドを作
動させるものである。
In order to achieve the above-mentioned object, the present invention includes a valve seat made of an elastic member attached to the contact portion of the valve body that closes the valve seat with a biasing member, and a valve seat made of an elastic member. In a solenoid valve that moves the valve body against the biasing member to open the valve when energized, an electromagnetic vibrator is provided near the valve seat, and a control circuit is provided, and the control circuit controls the energization. At the same time, the electromagnetic vibrator is activated, and after a predetermined period of time has elapsed, the solenoid is activated.
本考案は前記のような手段を採用したことによ
り、開弁時に、まずスイツチを閉じて制御回路に
通電し、弁座近傍に設けた電磁バイブレータを作
動させ、弁座と弁シートとの間に振動を与えて弁
シートの粘着力を取り除き、所定時間経過後にソ
レノイドを作動させて弁体を付勢部材に抗して移
動して開弁状態とすることができることとなる。
By adopting the above-mentioned means, when the valve is opened, the present invention first closes the switch, energizes the control circuit, activates the electromagnetic vibrator installed near the valve seat, and creates a vibration between the valve seat and the valve seat. Vibration is applied to remove the adhesive force of the valve seat, and after a predetermined period of time, the solenoid is activated to move the valve body against the biasing member to open the valve.
以下、図面に示す本考案の実施例について説明
する。
Embodiments of the present invention shown in the drawings will be described below.
第１図には本考案による電磁弁の概略縦断面図
が示されている。 FIG. 1 shows a schematic longitudinal sectional view of a solenoid valve according to the present invention.
まず、弁箱１は内部中央に、空間３を有し、こ
の空間３は流路４と、流路５と、小径部３ａとに
連通し、前記流路４は一方の側面に開口して流入
口４ａを形成するとともに、前記空間３に開口す
る部分に弁座６を突設し、前記流路５は、他方の
側面に開口して流出口５ａを形成し、前記小径部
３ａは、弁箱１の上面に開口している。 First, the valve box 1 has a space 3 in the center thereof, and this space 3 communicates with a flow path 4, a flow path 5, and a small diameter portion 3a, and the flow path 4 is open on one side. While forming an inlet 4a, a valve seat 6 is provided protrudingly at a portion opening into the space 3, the flow path 5 opens on the other side to form an outlet 5a, and the small diameter portion 3a is It opens on the top surface of the valve box 1.
前記小径部３ａの外周近傍に環状のソレノイド
１１を設け、前記空間３に、弾性部材よりなる弁
シート８が下部に装着された弁体７と、この弁体
７を前記弁座６側に付勢して下部の弁シート８を
前記弁座６に着座させる付勢部材９と、前記弁体
７の上部に一体に取付けられて前記小径部３ａ内
に突出する可動鉄心１０とを配設し、また、前記
弁座６の下方近傍に、電磁バイブレータ１２を設
け、前記弁箱１の上面に、前記小径部３ａを閉塞
する蓋部材２を設ける。 An annular solenoid 11 is provided near the outer periphery of the small diameter portion 3a, and a valve body 7 having a valve seat 8 made of an elastic member attached to the lower part thereof is provided in the space 3, and this valve body 7 is attached to the valve seat 6 side. A biasing member 9 that biases the lower valve seat 8 to seat on the valve seat 6, and a movable iron core 10 that is integrally attached to the upper part of the valve body 7 and protrudes into the small diameter portion 3a are provided. Further, an electromagnetic vibrator 12 is provided near the bottom of the valve seat 6, and a lid member 2 is provided on the upper surface of the valve box 1 for closing the small diameter portion 3a.
一方、一次遅れ要素１４と微分要素１５とを含
む制御回路１３をスイツチ１６を介して電源１７
と接続して設け、前記制御回路１３の出力側で
は、前記一次遅れ要素１４を前記ソレノイド１１
に接続し、前記微分要素１５を前記電磁バイブレ
ータ１２に接続する。 On the other hand, a control circuit 13 including a first-order lag element 14 and a differential element 15 is connected to a power supply 17 via a switch 16.
On the output side of the control circuit 13, the first-order delay element 14 is connected to the solenoid 11.
The differential element 15 is connected to the electromagnetic vibrator 12.
上記のように構成される電磁弁にあつては、前
記スイツチ１６を閉じて前記制御回路１３に通電
すると、まず、前記微分要素１５により前記電磁
バイブレータ１２が作動する。 In the solenoid valve configured as described above, when the switch 16 is closed and the control circuit 13 is energized, the electromagnetic vibrator 12 is first activated by the differential element 15.
したがつて、前記弁シート８と前記弁座６との
間に経時的に粘着力が生じて、前記弁座６に対し
て前記弁シート８が密着したとしても、この粘着
力の働く方向と同一軸線方向に、振動を与えて粘
着力を取除き、所定時間経過後に、前記一次遅れ
要素１４により前記ソレノイド１１を作動して、
前記付勢部材９に抗して弁体７を移動して開弁状
態とする。 Therefore, even if an adhesive force is generated between the valve seat 8 and the valve seat 6 over time and the valve seat 8 comes into close contact with the valve seat 6, the direction in which this adhesive force acts is Applying vibration in the same axial direction to remove the adhesive force, and after a predetermined time elapse, actuating the solenoid 11 by the primary delay element 14,
The valve body 7 is moved against the biasing member 9 to open the valve.
よつて、従来のものと比べて、前記弁シート８
が粘着力を生じるようになつた場合であつても、
この粘着力を完全に取除くことができるため、従
来通りのソレノイドの吸着力であつても、常に、
円滑に前記弁体７を移動して開弁状態とすること
ができることとなる。 Therefore, compared to the conventional one, the valve seat 8
Even if it becomes sticky,
This adhesive force can be completely removed, so even with the conventional solenoid adsorption force,
The valve body 7 can be smoothly moved to open the valve.
なお、上記実施例に示した電磁バイブレータの
取付け位置に関しては、これに限定するものでは
なく、また、要は、経時的に弁シートと弁座との
間に粘着力が生じる恐れがある電磁弁に対して用
いるものであり、電磁弁の形式についてもこれに
限定するものでなはい。 Note that the mounting position of the electromagnetic vibrator shown in the above example is not limited to this, and in short, it is important to note that the mounting position of the electromagnetic vibrator is not limited to that shown in the above example. The type of solenoid valve is not limited to this.
本考案の電磁弁は、前記のように構成したこと
により、開弁時には、まず、弁座の下方近傍に設
けた電磁バイブレータの振動により、弁シートの
粘着力を取り除き、所定時間経過後に、ソレノイ
ドを作動して付勢部材の力に抗して弁体を移動し
て、常に円滑に開弁することができるなどのすぐ
れた効果を有するものである。
By having the solenoid valve of the present invention configured as described above, when the valve is opened, the adhesive force of the valve seat is first removed by the vibration of the electromagnetic vibrator installed near the bottom of the valve seat, and after a predetermined period of time, the solenoid This has excellent effects such as being able to always open the valve smoothly by operating the valve body and moving the valve body against the force of the biasing member.
第１図は本考案の電磁弁の一実施例を示す概略
縦断面図である。
１……弁箱、２……蓋部材、３……空間、３ａ
……小径部、４，５……流路、４ａ……流入口、
５ａ……流出口、６……弁座、７……弁体、８…
…弁シート、９……付勢部材、１０……可動鉄
心、１１……ソレノイド、１２……電磁バイブレ
ータ、１３……制御回路、１４……一次遅れ要
素、１５……微分要素、１６……スイツチ、１７
……電源。
FIG. 1 is a schematic vertical sectional view showing an embodiment of the solenoid valve of the present invention. 1...Valve box, 2...Lid member, 3...Space, 3a
... Small diameter part, 4, 5 ... Channel, 4a ... Inlet,
5a... Outlet, 6... Valve seat, 7... Valve body, 8...
...valve seat, 9... biasing member, 10... movable iron core, 11... solenoid, 12... electromagnetic vibrator, 13... control circuit, 14... primary delay element, 15... differential element, 16... Switch, 17
……power supply.
Claims (1)
座との当接部に、弾性部材からなる弁シートを装
着し、ソレノイドへの通電時に前記弁体を前記付
勢部材に抗して移動して開弁状態とする電磁弁に
おいて、前記弁座の近傍に電磁バイブレータを設
けるとともに、制御回路を設け、この前記制御回
路は、通電と同時に前記電磁バイブレータを作働
させ、この後所定時間経過後に前記ソレノイドを
作動させることを特徴とする電磁弁。 A valve seat made of an elastic member is attached to the contact portion of the valve body that closes the valve seat with the biasing member, and the valve seat resists the biasing member when the solenoid is energized. In a solenoid valve that is moved to an open state, an electromagnetic vibrator is provided near the valve seat, and a control circuit is also provided, and the control circuit activates the electromagnetic vibrator at the same time as energization, and then operates the electromagnetic vibrator in a predetermined manner. A solenoid valve characterized in that the solenoid is operated after a lapse of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8649888U JPH0348464Y2 (en) | 1988-06-29 | 1988-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8649888U JPH0348464Y2 (en) | 1988-06-29 | 1988-06-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH026872U JPH026872U (en) | 1990-01-17 |
| JPH0348464Y2 true JPH0348464Y2 (en) | 1991-10-16 |
Family
ID=31311137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8649888U Expired JPH0348464Y2 (en) | 1988-06-29 | 1988-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0348464Y2 (en) |
-
1988
- 1988-06-29 JP JP8649888U patent/JPH0348464Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH026872U (en) | 1990-01-17 |
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