JP2534031Y2 - solenoid valve - Google Patents

solenoid valve

Info

Publication number
JP2534031Y2
JP2534031Y2 JP1989104129U JP10412989U JP2534031Y2 JP 2534031 Y2 JP2534031 Y2 JP 2534031Y2 JP 1989104129 U JP1989104129 U JP 1989104129U JP 10412989 U JP10412989 U JP 10412989U JP 2534031 Y2 JP2534031 Y2 JP 2534031Y2
Authority
JP
Japan
Prior art keywords
bobbin
solenoid valve
iron core
plunger
case
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
Application number
JP1989104129U
Other languages
Japanese (ja)
Other versions
JPH0343182U (en
Inventor
勲 上林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP1989104129U priority Critical patent/JP2534031Y2/en
Publication of JPH0343182U publication Critical patent/JPH0343182U/ja
Application granted granted Critical
Publication of JP2534031Y2 publication Critical patent/JP2534031Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Magnetically Actuated Valves (AREA)

Description

【考案の詳細な説明】 〔産業上の利用分野〕 この考案は電磁弁に関するもので、特に電磁コイル部
の組み立て構造に関する。
[Detailed description of the invention] [Industrial application field] This invention relates to a solenoid valve, and more particularly to an assembly structure of an electromagnetic coil portion.

〔従来の技術〕[Conventional technology]

第2図は従来の電磁弁を示す断面図である。図におい
て、(1)はケース、(2)は磁路プレート、(3)は
プランジャ、(4)は固定鉄心、(5)はバルブシー
ト、(6)はスプリング、(7)はボビン、(8)はソ
レノイドコイル、(9)はリード端子、(10)はOリン
グ、(11)は入力ポート、(12)は出力ポートである。
FIG. 2 is a sectional view showing a conventional solenoid valve. In the figure, (1) is a case, (2) is a magnetic path plate, (3) is a plunger, (4) is a fixed iron core, (5) is a valve seat, (6) is a spring, (7) is a bobbin, and (7). 8) is a solenoid coil, (9) is a lead terminal, (10) is an O-ring, (11) is an input port, and (12) is an output port.

ケース(1)は磁性材料で出来ていて継鉄の役目をな
し、磁路プレート(2)も磁性材料で出来ており、また
プランジャ(3)は可動鉄心により形成されている。か
くして、ケース(1)、磁路プレート(2)、プランジ
ャ(3)および固定鉄心(4)は磁気回路を形成する。
The case (1) is made of a magnetic material and serves as a yoke, the magnetic path plate (2) is also made of a magnetic material, and the plunger (3) is formed of a movable iron core. Thus, the case (1), the magnetic path plate (2), the plunger (3) and the fixed iron core (4) form a magnetic circuit.

ソレノイドコイル(8)に電流を通すと、固定鉄心
(4)は励磁されてプランジャ(3)をスプリング
(6)に抗して固定鉄心(4)の方に吸引する。ソレノ
イドコイル(8)を消勢すると固定鉄心(4)はプラン
ジャ(3)を解放し、プランジャ(3)はスプリング
(6)により前方へ押しやられる。
When a current is passed through the solenoid coil (8), the fixed core (4) is excited to attract the plunger (3) toward the fixed core (4) against the spring (6). When the solenoid coil (8) is deenergized, the fixed iron core (4) releases the plunger (3), and the plunger (3) is pushed forward by the spring (6).

このようにしてソレノイドコイル(8)の付勢、消勢
に応答してプランジャ(3)の円錐形先端部により入力
ポート(11)が開閉される。従って弁の開放時に、制御
流体は入力ポート(11)より流入して出力ポート(12)
に流れ、弁の閉塞時に、制御流体の流れを止める。
Thus, the input port (11) is opened and closed by the conical tip of the plunger (3) in response to the energization and de-energization of the solenoid coil (8). Therefore, when the valve is opened, the control fluid flows in from the input port (11) and flows into the output port (12).
And stops the flow of control fluid when the valve is closed.

〔考案が解決しようとする課題〕[Problems to be solved by the invention]

従来の電磁弁では、ケース(1)内に磁路プレート
(2)、ソレノイドコイル(8)を有したボビン
(7)、および固定鉄心(4)を収納する際、ケース
(1)内の肩部(1B)とケース(1)の外端部周縁のカ
シメ部(1A)との間で軸方向にしっかりと固定するため
に、固定鉄心(4)のつば部(4A)とボビン(7)の端
面との間にゴムあるいは板ばね等からなる押え板(13)
を配置していた。かかる構成ではケース(1)の外端部
周縁のカシメ部(1A)のカシメの程度によりプランジャ
(3)と固定鉄心(4)との端面間距離が変わるという
問題点があるし、更に組み立てる際に押え板(13)を取
り扱わなくてはならないという問題点があった。
In a conventional solenoid valve, when a magnetic path plate (2), a bobbin (7) having a solenoid coil (8), and a fixed iron core (4) are stored in a case (1), a shoulder in the case (1) is used. In order to fix firmly in the axial direction between the part (1B) and the caulked part (1A) at the outer edge of the case (1), the collar part (4A) of the fixed core (4) and the bobbin (7) Pressing plate (13) made of rubber, leaf spring, etc. between the end face
Had been placed. With such a configuration, there is a problem that the distance between the end faces of the plunger (3) and the fixed iron core (4) varies depending on the degree of caulking of the caulked portion (1A) at the outer edge of the case (1). There was a problem that the holding plate (13) had to be handled.

本考案はこのような問題点を解決するためになされた
もので、組み立て精度にバラツキのない、しかも組み立
てやすい電磁弁を得ることを目的とする。
The present invention has been made in order to solve such a problem, and an object of the present invention is to provide a solenoid valve which has no variation in assembling accuracy and is easy to assemble.

〔課題を解決するための手段〕[Means for solving the problem]

この考案にかかる電磁弁は、ボビンの中心孔に固定鉄
心を挿入した際に、固定鉄心のつば部がボビンの端面に
対接する前に、所定位置で固定鉄心の内端がボビンの一
部に対接するようにボビンの中心孔に肩部を形成したも
のである。
In the solenoid valve according to the present invention, when the fixed core is inserted into the center hole of the bobbin, before the flange portion of the fixed core contacts the end surface of the bobbin, the inner end of the fixed core at a predetermined position is part of the bobbin. A shoulder is formed in the center hole of the bobbin so as to be in contact with the bobbin.

〔作用〕[Action]

この考案においては、ケース内の肩部とボビン内の肩
部とにより固定鉄心の軸方向位置は、ケースの外端部周
縁のカシメ部のカシメの程度に左右されることなく一定
であり、固定鉄心のつば部とボビンの端面との空間の存
在によりつば部がカシメ後に弾力的に働いて磁路プレー
ト、ボビン、固定鉄心をケース内にしっかりと位置づけ
るのである。
In the present invention, the axial position of the fixed core is fixed by the shoulder in the case and the shoulder in the bobbin without being affected by the degree of caulking of the caulked portion at the outer edge of the case, and the fixed core is fixed. Due to the presence of the space between the flange of the iron core and the end face of the bobbin, the collar works elastically after caulking, and the magnetic path plate, the bobbin, and the fixed core are securely positioned in the case.

〔実施例〕〔Example〕

第1図は本考案による一実施例の電磁弁を示す。図に
おいて、(1)〜(12)は従来例と同一部材または相当
部を示す。本考案では押え板(13)が無い代りに、ボビ
ン(7)の中心孔に肩部(14)が形成されていることが
従来例と異なるだけである。
FIG. 1 shows a solenoid valve according to an embodiment of the present invention. In the figure, (1) to (12) show the same members or corresponding parts as in the conventional example. The present invention is different from the conventional example only in that the shoulder (14) is formed in the center hole of the bobbin (7) instead of the absence of the holding plate (13).

この肩部(14)は、ボビン(7)の中心孔に固定鉄心
(4)を挿入した際に、固定鉄心(4)のつば部(4A)
がボビン(7)の端面に対接する前に、固定鉄心(4)
の内端部が対接する位置に形成されている。
When the fixed iron core (4) is inserted into the center hole of the bobbin (7), the shoulder part (14) has a collar part (4A) of the fixed iron core (4).
Before the abutment against the end face of the bobbin (7), the fixed iron core (4)
Are formed at positions where the inner ends thereof are in contact with each other.

本考案の電磁弁は、コイル(8)の付勢、消勢により
入力ポート(11)から出力ポート(12)への制御流体の
流通、閉塞がなされることは従来のものと同じである。
しかしながら、本考案の電磁弁は押え板(13)を必要と
せず、部品点数が少なくなりコストを低減出来る上に、
ケース(1)の外端部周縁のカシメ部(1A)のカシメの
程度に依存せず、固定鉄心(4)とプランジャ(3)と
の軸方向端面間の距離は一定に維持されるのである。
In the solenoid valve of the present invention, the control fluid flows from the input port (11) to the output port (12) and is closed by the energization and deactivation of the coil (8), which is the same as the conventional one.
However, the solenoid valve of the present invention does not require the holding plate (13), and can reduce the number of parts and cost, and
The distance between the axial end surfaces of the fixed iron core (4) and the plunger (3) is kept constant regardless of the degree of caulking of the caulked portion (1A) at the outer edge of the case (1). .

〔考案の効果〕[Effect of the invention]

本考案は以上説明したとおり、ボビンの中心孔に固定
鉄心の内端部が係合する肩を形成し、この肩で固定鉄心
の突入量を限定することにより、固定鉄心のつば部とボ
ビンの端面との間に間隙を持たせ、ケース(1)の外端
部周縁をカシメたときにつば部に弾力を生ぜしめてい
る。これにより従来の押え板を必要とせず、部品点数が
少なくなりコストを低減出来る効果がある。
As described above, the present invention forms a shoulder in which the inner end of the fixed core engages with the center hole of the bobbin, and limits the amount of the fixed core to be intruded by the shoulder. A gap is provided between the flange and the end surface, and when the outer edge of the case (1) is crimped, elasticity is generated in the collar portion. This has the effect of eliminating the need for a conventional holding plate, reducing the number of parts and reducing costs.

【図面の簡単な説明】[Brief description of the drawings]

第1図はこの考案の電磁弁の断面図、第2図は従来の電
磁弁の断面図である。 図において、(1)はケース、(1A)は外端部周縁のカ
シメ部、(2)は磁路プレート、(3)はプランジャ、
(4)は固定鉄心、(4A)は固定鉄心のつば部、(5)
はバルブシート、(6)はスプリング、(7)はボビ
ン、(8)はソレノイドコイル、(9)はリード端子、
(10)はOリング、(11)は入力ポート、(12)は出力
ポート、(14)は肩部である。 なお、図中同一符号は同一または相当部を示す。
FIG. 1 is a sectional view of the solenoid valve of the present invention, and FIG. 2 is a sectional view of a conventional solenoid valve. In the figure, (1) is a case, (1A) is a caulked portion at the outer edge, (2) is a magnetic path plate, (3) is a plunger,
(4) is a fixed iron core, (4A) is a collar part of a fixed iron core, (5)
Is a valve seat, (6) is a spring, (7) is a bobbin, (8) is a solenoid coil, (9) is a lead terminal,
(10) is an O-ring, (11) is an input port, (12) is an output port, and (14) is a shoulder. In the drawings, the same reference numerals indicate the same or corresponding parts.

Claims (1)

(57)【実用新案登録請求の範囲】(57) [Scope of request for utility model registration] 【請求項1】ボビンに巻かれたソレノイドコイルへの通
電によって励磁される固定鉄心により吸引され、スプリ
ングにより反対の方向に駆動されるプランジャを有し、
このプランジャの先端のバルブ部と協働するバルブシー
トに流体の入力ポートを形成し、電磁弁本体のケースに
出力ポートを形成してなる電磁弁において、 ケース内に所定位置まで挿入されるようになしたボビン
の中心孔につば部のある固定鉄心が、つば部とボビンの
端面との間に所定の間隙を残すように挿入されるのを許
容すべく、プランジャの軸方向移動距離を直接的に制限
する固定鉄心の内端部を受ける肩を前記ボビンの中心孔
に形成し、前記つば部が前記ボビンの中心孔の肩部に対
して弾力的に作用するようにケース外端部周縁を前記つ
ば部の周縁にカシメたことを特徴とする電磁弁。
1. A plunger which is attracted by a fixed iron core excited by energization of a solenoid coil wound on a bobbin and driven in the opposite direction by a spring,
In a solenoid valve having a fluid input port formed in a valve seat cooperating with a valve portion at the tip of the plunger and an output port formed in a case of a solenoid valve main body, the valve is inserted into a case to a predetermined position. In order to allow a fixed iron core having a flange in the center hole of the formed bobbin to be inserted so as to leave a predetermined gap between the flange and the end surface of the bobbin, the axial movement distance of the plunger is directly adjusted. A shoulder for receiving the inner end of the fixed iron core is formed in the center hole of the bobbin, and the outer edge of the case is formed so that the collar portion elastically acts on the shoulder of the center hole of the bobbin. A solenoid valve, wherein the periphery of the collar portion is swaged.
JP1989104129U 1989-09-05 1989-09-05 solenoid valve Expired - Lifetime JP2534031Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989104129U JP2534031Y2 (en) 1989-09-05 1989-09-05 solenoid valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989104129U JP2534031Y2 (en) 1989-09-05 1989-09-05 solenoid valve

Publications (2)

Publication Number Publication Date
JPH0343182U JPH0343182U (en) 1991-04-23
JP2534031Y2 true JP2534031Y2 (en) 1997-04-30

Family

ID=31652932

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989104129U Expired - Lifetime JP2534031Y2 (en) 1989-09-05 1989-09-05 solenoid valve

Country Status (1)

Country Link
JP (1) JP2534031Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6767246B2 (en) * 2016-04-01 2020-10-14 株式会社山田製作所 Temperature sensitive valve mechanism

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0180884U (en) * 1987-11-19 1989-05-30

Also Published As

Publication number Publication date
JPH0343182U (en) 1991-04-23

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