JP3099207B2 - solenoid valve - Google Patents
solenoid valveInfo
- Publication number
- JP3099207B2 JP3099207B2 JP04080343A JP8034392A JP3099207B2 JP 3099207 B2 JP3099207 B2 JP 3099207B2 JP 04080343 A JP04080343 A JP 04080343A JP 8034392 A JP8034392 A JP 8034392A JP 3099207 B2 JP3099207 B2 JP 3099207B2
- Authority
- JP
- Japan
- Prior art keywords
- armature
- iron core
- valve
- yoke
- coil
- 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 - Lifetime
Links
Landscapes
- Magnetically Actuated Valves (AREA)
- Electromagnets (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ラッチ式電磁弁に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a latch type solenoid valve.
【０００２】[0002]
【従来の技術】従来のラッチ式電磁弁は、図３、図４に
示すとうりで、ヨ−ク３１に鉄心３４を固定しコイル枠
３６に巻かれたコイル３５を挟むようにヨ−ク３２、ヨ
−ク３１に固定されている。また、ヨ−ク３３もヨ−ク
３１に固定されている。このヨ−ク３３には、弁座３７
が固定されている。ア−マチュア３８は、コイル枠３６
の中心穴に上下に移動可能なように配置され、このア−
マチュア３８には、上下に例えばＮ極，Ｓ極に着磁され
たマグネット３９が固定され、軟質材料でできた弁体４
０が接着されている。2. Description of the Related Art As shown in FIGS. 3 and 4, a conventional latch-type solenoid valve has a yoke 31 in which an iron core 34 is fixed to a yoke 31 and a coil 35 wound around a coil frame 36 is sandwiched therebetween. 32 and the yoke 31. The yoke 33 is also fixed to the yoke 31. The yoke 33 includes a valve seat 37.
Has been fixed. The armature 38 is a coil frame 36
It is located in the center hole of the
A magnet 39 magnetized on the north and south poles, for example, is fixed to the upper and lower sides of the mature member 38, and the valve body 4 made of a soft material is fixed.
0 is adhered.
【０００３】上記の従来のラッチ式電磁弁は、図３の状
態では、マグネット３９の磁力により図における矢印の
ようにマグネット３９、ア−マチュア３８、鉄心３４、
ヨ−ク３１、ヨ−ク３２の磁気回路が出来ア−マチュア
３８は鉄心３４に吸引されている。したがって弁座３７
と弁体４０は離れて流体は弁座３７の中を矢印の方向に
自由に流れる。In the conventional latch-type solenoid valve described above, in the state shown in FIG. 3, the magnet 39, the armature 38, the iron core 34,
The magnetic circuit of the yoke 31 and the yoke 32 is formed, and the armature 38 is attracted to the iron core 34. Therefore, the valve seat 37
And the valve body 40 is separated, and the fluid freely flows in the direction of the arrow in the valve seat 37.
【０００４】次にコイル３５に図３の矢印方向と逆方向
となるように励磁するとア−マチュア３８は押し出され
図７のようになる。Next, when the coil 35 is excited so as to be in the direction opposite to the direction of the arrow in FIG. 3, the armature 38 is pushed out, as shown in FIG.
【０００５】ここで、通電を止めてもマグネット３９、
ヨ−ク３２、ヨ−ク３１、ヨ−ク３３、弁座３７の磁気
回路ができるため、図４の状態が続く。この図７の状態
ではマグネット３９が弁座３７に吸引されようとするた
め弁体４０が弁座３７を閉じ流体の流れをストップさせ
る。Here, the magnet 39,
Since the magnetic circuits of the yoke 32, the yoke 31, the yoke 33, and the valve seat 37 are formed, the state of FIG. 4 continues. In the state shown in FIG. 7, the valve body 40 closes the valve seat 37 to stop the flow of the fluid because the magnet 39 tends to be attracted to the valve seat 37.
【０００６】図４の状態において、図３に示した矢印の
方向に励磁すると、ア−マチュア３８が鉄心３４に吸引
され図６の状態になり通電を止めてもその状態が続く。In the state shown in FIG. 4, when the armature 38 is excited in the direction of the arrow shown in FIG. 3, the armature 38 is attracted to the iron core 34 and the state shown in FIG. 6 is reached.
【０００７】[0007]
【発明が解決しようとする課題】上述の従来の電磁弁
は、部品中に高価なマグネットが用いられており、また
弁体と弁座との密閉性が十分ではなく、漏れが生ずる等
欠点がある。The above-mentioned conventional solenoid valve uses expensive magnets in its parts, and has a disadvantage that the sealing between the valve body and the valve seat is not sufficient and leakage occurs. is there.
【０００８】本発明は、上記の欠点を解消するためにな
されたものであって、比較的安価であって、密閉性の良
好な電磁弁を提供するものである。The present invention has been made in order to solve the above-mentioned drawbacks, and it is an object of the present invention to provide a solenoid valve which is relatively inexpensive and has good hermeticity.
【０００９】[0009]
【課題を解決するための手段】本発明の電磁弁は、コイ
ルの近くに配置されているヨークに鉄心を固定し、この
鉄心に対しその先端が接する方向に回動されるアーマチ
ュアを設け、アーマチュアの回動により弁を開閉するも
ので、更にアーマチュアの先端が鉄心から離れる方向に
回動させて弁体を押圧して弁を閉じる第１のスプリング
と弁体を弁を開く方向に押圧する第２のスプリングとを
有し又、ヨーク、鉄心、アーマチュアの少なくとも一つ
の部品を残留磁気が大である材料にて構成したものであ
る。According to the solenoid valve of the present invention, an iron core is fixed to a yoke arranged near a coil, and an armature is provided which is turned in a direction in which a tip thereof contacts the iron core. The first spring that closes the valve by pressing the valve body by rotating the tip of the armature away from the iron core and the second spring that presses the valve body in the direction to open the valve. And at least one of a yoke, an iron core, and an armature is made of a material having a large residual magnetism.
【００１０】この本発明の電磁石は、コイルにパルス状
の通電を行なうことによって残留磁気の大きい材料より
なる部品を磁化させてアーマチュアの先端を鉄心に吸着
させて弁を第２のスプリングの力により開き又、前記の
通電とは逆方向のパルス状の通電を行なうことによって
磁化されている部品を消磁して磁力によるアーマチュア
の吸着を解除し第１のスプリングの力によりアーマチュ
アの先端を鉄心から離して弁を閉じるようにしたもので
ある。In the electromagnet of the present invention, a coil made of a material having a large remanence is magnetized by energizing the coil in a pulsed manner, the tip of the armature is attracted to the iron core, and the valve is actuated by the force of the second spring. In addition, the magnetized parts are demagnetized by applying a pulse-shaped electric current in the direction opposite to the above-mentioned electric current, the armature is attracted by the magnetic force, and the armature tip is separated from the iron core by the force of the first spring. The valve is closed.
【００１１】[0011]
【実施例】次に、本発明の実施例を図面に基ずいて説明
する。Next, an embodiment of the present invention will be described with reference to the drawings.
【００１２】図１は、本発明の実施例の構成を示す図で
ある。この図において、１および２はそれぞれケ−シン
グでビス等により結合されている。５はビス６によりケ
−シング２に固定されているヨ−クでこれに鉄心７が取
りつけられ、鉄心７の回りにはコイル枠９に巻かれたコ
イル８が配置されている。１０はヨ−ク５の切り込みに
はめ込まれたア−マチュアで、第１のスプリング１１に
より鉄心７からはなれる方向に賦勢されている。１２は
弁体軸１３に固定されている弁体で、ケーシング２に対
して摺動可能に保持されている。また弁体軸１３は第２
のスプリング１５により図面で下方に押圧されていて、
図のように弁体１２を弁座１７から離れる方向に移動さ
せる。また１６はケ−シング２に形成されている流入
口、１８は空気孔である。FIG. 1 is a diagram showing a configuration of an embodiment of the present invention. In this figure, 1 and 2 are respectively connected by screws or the like by casing. Reference numeral 5 denotes a yoke fixed to the casing 2 by screws 6, to which an iron core 7 is attached. Around the iron core 7, a coil 8 wound around a coil frame 9 is arranged. An armature 10 is inserted into the cut of the yoke 5 and is urged by a first spring 11 in a direction away from the iron core 7. Reference numeral 12 denotes a valve body fixed to the valve body shaft 13, which is slidably held with respect to the casing 2. The valve shaft 13 is
Is pressed downward in the drawing by the spring 15 of
The valve element 12 is moved away from the valve seat 17 as shown in the figure. Reference numeral 16 denotes an inlet formed in the casing 2, and reference numeral 18 denotes an air hole.
【００１３】ここで、第１のスプリング１１は第２のス
プリング１５よりも強くなっているので図２に示すよう
にア−マチュア１０は鉄心からはなれ、このアーマチュ
ア１０が第２のスプリング１５の力に抗して弁体軸を押
し弁体１２を弁座１７に密着させる。つまり弁は閉じ
る。またヨ−ク５、鉄心７、ア−マチュア１０は一般に
は軟鋼または軟鉄等の強磁性材料にて作られているが、
この実施例では高炭素鋼等の残留磁気の大きい材料で作
られている。上記のような構成の第１の実施例の電磁弁
の作用について説明する。Since the first spring 11 is stronger than the second spring 15, the armature 10 is separated from the iron core as shown in FIG. The valve body shaft is pushed against the valve body shaft to bring the valve body 12 into close contact with the valve seat 17. That is, the valve closes. The yoke 5, the iron core 7, and the armature 10 are generally made of a ferromagnetic material such as mild steel or soft iron.
In this embodiment, it is made of a material having a large residual magnetism such as high carbon steel. The operation of the solenoid valve of the first embodiment having the above configuration will be described.
【００１４】まず、コイル２０に電流が流れていない状
態では、前記のように弁は閉じている。ここでコイル２
０にパルス状の通電をすると、図１に示すようにア−マ
チュア１０は、鉄心７に吸引され、弁体軸１３は第２の
スプリング１５に押されて弁体１２が弁座１７を開き流
体は流れる。この状態で通電を停止しても鉄心７、ヨ−
ク５、ア−マチュア１０のいずれか一つまたは複数が前
記のように高炭素系鋼等の残留磁気の大きい材料にて形
成されているので磁気が残る。この残留磁気の大きさは
スプリング１１の力に抗して安定して吸引されるように
決められる。First, when no current is flowing through the coil 20, the valve is closed as described above. Here coil 2
When a pulse-like current is applied to 0, the armature 10 is attracted to the iron core 7 as shown in FIG. 1, and the valve body shaft 13 is pushed by the second spring 15 so that the valve body 12 opens the valve seat 17. Fluid flows. Even if power supply is stopped in this state, iron core 7
Since one or more of the arm 5 and the armature 10 are formed of a material having a large residual magnetism such as a high carbon steel as described above, the magnetism remains. The magnitude of the residual magnetism is determined so as to be stably attracted against the force of the spring 11.
【００１５】続いて、図１に示す状態にて、前記の通電
による励磁とは逆に励磁されるようにパルス状の通電を
すると、前記の残留磁気がきえこれによってア−マチュ
アを吸着する力が失われて、ア−マチュアは、第１のス
プリング１１の力によって図２に示された状態に戻され
る。これによって、弁体軸１３は、スプリング１５の力
に抗して押し上げられ、弁体１２は弁座１７に密着し、
したがって弁は閉じ、流体の流入口１６からの流れは止
められる。なお、図１の状態において、残留磁気を消磁
する際の通電は残留磁気を消すのに必要な電力でよく、
吸着の際の通電の数分の一の電力で良い。Subsequently, in the state shown in FIG. 1, when a pulse-like current is applied so as to be excited in a direction opposite to the above-mentioned excitation, the residual magnetism is determined, and the force for attracting the armature is thereby obtained. , And the armature is returned to the state shown in FIG. 2 by the force of the first spring 11. As a result, the valve body shaft 13 is pushed up against the force of the spring 15, and the valve body 12 comes into close contact with the valve seat 17,
Thus, the valve closes and fluid flow from the inlet 16 is stopped. In addition, in the state of FIG. 1, the energization at the time of demagnetizing the residual magnetism may be the electric power necessary for eliminating the residual magnetism.
A power that is a fraction of the energization at the time of adsorption is sufficient.
【００１６】[0016]
【発明の効果】本発明の電磁弁は、比較的高価なマグネ
ットを用いることなくしかも構造が簡単であり、弁座と
弁体との密着性がよくもれのない弁である。The solenoid valve of the present invention is a valve which does not use a relatively expensive magnet, has a simple structure, and has good adhesion between a valve seat and a valve body.
【図１】 本発明の第１の実施例の弁が開いた状態の
断面図FIG. 1 is a sectional view showing a state in which a valve according to a first embodiment of the present invention is opened.
【図２】 上記第１の実施例の弁が閉じた状態の断面
図FIG. 2 is a sectional view of the first embodiment with the valve closed;
【図３】 従来の電磁弁の開いた状態を示す断面図FIG. 3 is a cross-sectional view showing an open state of a conventional solenoid valve.
【図４】 上記従来の電磁弁の閉じた状態を示す断面
図FIG. 4 is a sectional view showing a closed state of the conventional solenoid valve.
５ ヨーク ７ 鉄心 ８ コイル １０ アーマチュア １１ 第１のスプリング １２ 弁体 １５ 第２のスプリング Reference Signs List 5 yoke 7 iron core 8 coil 10 armature 11 first spring 12 valve body 15 second spring
Claims (1)
ているヨークと、前記ヨークに固定された鉄心と、先端
が前記鉄心に接する方向および離れる方向に回動可能な
アーマチュアと、前記アーマチュアの回動により移動し
これによって弁座の開閉を行なう弁体と、前記アーマチ
ュアを鉄心から離れる方向に回動させる第１のスプリン
グと、前記弁体を押圧する第２のスプリングとを備え、
又前記ヨーク、鉄心、アーマチュアのうちの少なくとも
一つの部品が磁力を与えた時の残留磁気が大である材料
にて構成され、前記コイルにパルス状の通電を行なうこ
とにより前記残留磁気が大である部品の磁気作用によっ
て前記アーマチュアの先端を鉄心に吸着させて弁を開き
又コイルに残留磁気を消すためのパルス状の通電を行な
うことによって磁力による吸着を解除して前記第２のス
プリングの力により前記アーマチュアをその先端が鉄心
より離れる方向に移動させて弁を閉じるようにした電磁
弁。1. A coil, a yoke arranged in the vicinity of the coil, an iron core fixed to the yoke, an armature whose tip is rotatable in a direction contacting with and away from the iron core, and a turn of the armature. A valve body that moves by movement and thereby opens and closes a valve seat, a first spring that rotates the armature in a direction away from the iron core, and a second spring that presses the valve body,
At least one of the yoke, the iron core, and the armature is made of a material having a large residual magnetism when a magnetic force is applied, and the coil is energized in a pulsed manner to increase the residual magnetism. By the magnetic action of a part, the tip of the armature is attracted to the iron core to open the valve and the coil is energized in a pulsed manner to eliminate the residual magnetism, thereby releasing the magnetic attraction to release the force of the second spring. The solenoid valve moves the armature in a direction in which the tip of the armature moves away from the iron core to close the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04080343A JP3099207B2 (en) | 1992-03-03 | 1992-03-03 | solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04080343A JP3099207B2 (en) | 1992-03-03 | 1992-03-03 | solenoid valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0620829A JPH0620829A (en) | 1994-01-28 |
| JP3099207B2 true JP3099207B2 (en) | 2000-10-16 |
Family
ID=13715616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04080343A Expired - Lifetime JP3099207B2 (en) | 1992-03-03 | 1992-03-03 | solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3099207B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6722628B1 (en) * | 2003-02-06 | 2004-04-20 | Sturman Industries, Inc. | Miniature poppet valve assembly |
| CN100369138C (en) * | 2003-11-06 | 2008-02-13 | 松下电器产业株式会社 | Deformable mirror, optical head and optical record reproducing device |
| KR101994173B1 (en) * | 2015-03-20 | 2019-06-28 | 데이나 오토모티브 시스템즈 그룹 엘엘씨 | Induction based position sensing in an electromagnetic actuator |
| US10612610B2 (en) * | 2018-04-12 | 2020-04-07 | Warner Electric Technology Llc | Bistable Brake |
| CN109058561B (en) * | 2018-09-19 | 2024-02-02 | 杭州力沣实业有限公司 | Electromagnetic valve |
-
1992
- 1992-03-03 JP JP04080343A patent/JP3099207B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0620829A (en) | 1994-01-28 |
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