JPH1187132A - Bobbin for solenoid - Google Patents
Bobbin for solenoidInfo
- Publication number
- JPH1187132A JPH1187132A JP23711697A JP23711697A JPH1187132A JP H1187132 A JPH1187132 A JP H1187132A JP 23711697 A JP23711697 A JP 23711697A JP 23711697 A JP23711697 A JP 23711697A JP H1187132 A JPH1187132 A JP H1187132A
- Authority
- JP
- Japan
- Prior art keywords
- lead wire
- solenoid
- peripheral surface
- bobbin
- outer peripheral
- 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.)
- Pending
Links
Landscapes
- Electromagnets (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、バルブ本体に固定
されバルブ本体と共に電磁弁を構成するソレノイドに使
用されるソレノイド用ボビンに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solenoid bobbin used for a solenoid fixed to a valve body and constituting a solenoid valve together with the valve body.
【０００２】[0002]
【従来の技術】一般に、油圧回路等の構成要素となる電
磁弁は、油流路等を開閉するスプールが内蔵されたバル
ブ本体に、上記スプールを作動する同一構造からなる左
右一対のソレノイド（電磁石装置ともいう。）を装着し
て構成される。2. Description of the Related Art In general, an electromagnetic valve, which is a component of a hydraulic circuit or the like, includes a pair of left and right solenoids (electromagnets) having the same structure for operating the spool provided on a valve body having a built-in spool for opening and closing an oil passage and the like. ).
【０００３】図３は、この種の左右一対のソレノイドの
一方のソレノイドの従来例の要部断面図を示している。FIG. 3 is a sectional view of a main part of a conventional example of one of a pair of left and right solenoids of this kind.
【０００４】図３に示すソレノイド１は、油浸型の電磁
弁等に広く使用されているソレノイドである。このソレ
ノイド１は、バルブ本体２に固定されるケース１１の内
部に、コイル１２が巻回された樹脂製ボビン１３を備え
る。樹脂製ボビン１３は、プッシュピン１８に当接する
可動鉄心１４と固定鉄心１５の一部とをそれぞれ収容す
る有底円筒部１３ａと、この有底円筒部１３ａの外周面
から外方向かつ垂直方向に延在するフランジ部１３ｂと
を有して構成される。A solenoid 1 shown in FIG. 3 is a solenoid widely used for an oil immersion type solenoid valve and the like. The solenoid 1 includes a resin bobbin 13 around which a coil 12 is wound, inside a case 11 fixed to the valve body 2. The resin bobbin 13 has a bottomed cylindrical portion 13a for accommodating the movable iron core 14 and a part of the fixed iron core 15 abutting on the push pin 18, respectively, and extends outwardly and vertically from the outer peripheral surface of the bottomed cylindrical portion 13a. And an extending flange portion 13b.
【０００５】樹脂製ボビン１３の材料は、一般に熱可塑
性樹脂材料でＰＢＴ、ＰＥＴ、ＰＡ等のエンジニアリン
グプラスチックからなる。The material of the resin bobbin 13 is generally a thermoplastic resin material and is made of engineering plastics such as PBT, PET, and PA.
【０００６】[0006]
【発明が解決しようとする課題】しかし、これらの材料
は比較的固くて弾力性に欠け、作動時に可動鉄心１４が
有底円筒部１３ａの底壁１３ｃに繰り返し衝突すること
によってコイル１２のリード線１６に振動が生じる。そ
こで、リード線１６の振動を抑制するために、リード線
１６の周囲にゴムブッシュ１７を配し、さらに、防水性
を確保したい場合にはブッシュ１７の周囲にシリコーン
を塗布する対策がとられている。However, these materials are relatively hard and lack elasticity, and when the movable iron core repeatedly collides with the bottom wall 13c of the bottomed cylindrical portion 13a during operation, the lead wire of the coil 12 is formed. Vibration occurs in 16. Therefore, in order to suppress the vibration of the lead wire 16, a rubber bush 17 is arranged around the lead wire 16, and if it is desired to ensure waterproofness, measures are taken to apply silicone around the bush 17. I have.
【０００７】本発明は、上記の点にかんがみ、簡単な構
成によってリード線の振動を抑制しかつ防水性を確保す
ることができるソレノイド用ボビンを提供することを目
的とする。SUMMARY OF THE INVENTION In view of the foregoing, it is an object of the present invention to provide a bobbin for a solenoid that can suppress vibration of a lead wire and ensure waterproofness with a simple configuration.
【０００８】[0008]
【課題を解決するための手段】本発明のソレノイド用ボ
ビンは、内部に可動鉄心及び固定鉄心の一部が収容さ
れ、外周面にコイルが巻回される円筒部と、前記円筒部
から外方向かつ垂直方向に延在し、リード線取出穴を有
するフランジ部と、前記リード線取出穴の周囲から外方
向に延在し、前記コイルに接続されたリード線の外周面
に密着されるリード線挟持部と、を備え、前記円筒部、
前記フランジ部及び前記リード線挟持部は弾力性に優れ
た材料で一体成形されてなることを特徴とする。According to the present invention, there is provided a bobbin for a solenoid, in which a movable core and a part of a fixed iron core are housed, and a coil is wound around an outer peripheral surface of the bobbin. A flange portion extending in the vertical direction and having a lead wire outlet hole, and a lead wire extending outward from the periphery of the lead wire outlet hole and closely attached to the outer peripheral surface of the lead wire connected to the coil A holding portion, and the cylindrical portion,
The flange portion and the lead wire holding portion are integrally formed of a material having excellent elasticity.
【０００９】[0009]
【発明の作用効果】本発明のソレノイド用ボビンにおい
て、ソレノイドの作動時、円筒部が可動鉄心から衝撃力
を受けると、この衝撃力は、円筒部の優れた弾力性によ
って緩和され、さらに、リード線挟持部の弾性力によっ
て緩和されてリード線に伝達されるようになる。したが
って、リード線に上記衝撃力が伝わりにくくなり、リー
ド線の振動を抑制することができる。また、リード線挟
持部はその弾性力によってリード線外周面に密着される
ため、防水性が確保される。According to the bobbin for a solenoid of the present invention, when the cylindrical portion receives an impact force from the movable iron core during the operation of the solenoid, the impact force is alleviated by the excellent elasticity of the cylindrical portion, and furthermore, the lead can be moved. It is relaxed by the elastic force of the wire holding portion and transmitted to the lead wire. Therefore, the impact force is not easily transmitted to the lead wire, and vibration of the lead wire can be suppressed. Further, since the lead wire holding portion is brought into close contact with the outer peripheral surface of the lead wire by its elastic force, waterproofness is ensured.
【００１０】[0010]
【発明の実施の形態】以下、本発明の実施の形態を図面
に基づいて説明する。Embodiments of the present invention will be described below with reference to the drawings.
【００１１】図１は、一実施例によるソレノイド用ボビ
ンが使用されたソレノイドをバルブ本体に装着した状態
を示す断面図、図２は、図１図示Ａ部分の拡大図をそれ
ぞれ示す。FIG. 1 is a sectional view showing a state where a solenoid using a solenoid bobbin according to one embodiment is mounted on a valve body, and FIG. 2 is an enlarged view of a portion A shown in FIG.
【００１２】図１及び図２において、ソレノイドは、左
右一対のソレノイドの一方のソレノイドであり、油浸型
の電磁弁等に広く使用されているソレノイドである。In FIG. 1 and FIG. 2, the solenoid is one of a pair of left and right solenoids, and is a solenoid widely used for an oil immersion type solenoid valve or the like.
【００１３】このソレノイド１は、バルブ本体２に固定
されるケース１１の内部に、樹脂製ボビン１３を備え
る。樹脂製ボビン１３は、内部に、プッシュピン１８に
当接する可動鉄心１４と固定鉄心１５の一部とをそれぞ
れ収容し、外周面にコイル１２が巻回された有底円筒部
１３ａと、この有底円筒部１３ａの外周面から外方向か
つ垂直方向に延在する三つのフランジ部１３ｂとを有し
て構成される。The solenoid 1 has a resin bobbin 13 inside a case 11 fixed to the valve body 2. The resin bobbin 13 accommodates therein a movable iron core 14 and a part of a fixed iron core 15 which are in contact with a push pin 18, respectively, and has a bottomed cylindrical portion 13a having a coil 12 wound on an outer peripheral surface thereof. And three flange portions 13b extending outwardly and vertically from the outer peripheral surface of the bottom cylindrical portion 13a.
【００１４】一つのフランジ部１３ｂには、リード線取
出穴１３ｄが形成されるとともにこのリード線取出穴１
３ｄの周囲には外方向にリード線挟持部１３ｅが延在さ
れている。A lead wire hole 13d is formed in one flange portion 13b, and the lead wire hole 1d is formed in the flange portion 13b.
A lead wire holding portion 13e extends outwardly around 3d.
【００１５】樹脂製ボビン１３の材料は、エラストマー
等、弾力性に優れた材料、例えば熱可塑性ポリエステル
系又はオレフィン系エラストマーからなり、リード線挟
持部１３ｅの内周面は、リード線挟持部１３ｅの弾力性
によりリード線１６の外周面に密着されている。また、
リード線挟持部１３ｅの外周面は、同じくリード線挟持
部１３ｅの弾力性により、ケース１１に形成されたリー
ド線取出穴１１ａの内周面に密着されている。The material of the resin bobbin 13 is made of a material having excellent elasticity such as an elastomer, for example, a thermoplastic polyester-based or olefin-based elastomer, and the inner peripheral surface of the lead wire holding portion 13e is formed of the lead wire holding portion 13e. It is in close contact with the outer peripheral surface of the lead wire 16 due to its elasticity. Also,
The outer peripheral surface of the lead wire holding portion 13e is in close contact with the inner peripheral surface of the lead wire outlet hole 11a formed in the case 11 due to the elasticity of the lead wire holding portion 13e.
【００１６】ケース１１のフランジ部１１ｂは取付金具
２１によってバルブ本体２に固定されている。そして、
ケース１１のフランジ部１１ｂの裏面とバルブ本体２の
表面との間には、防水性を確保するためにパッキン２２
が配されている。The flange 11b of the case 11 is fixed to the valve body 2 by a mounting member 21. And
A packing 22 is provided between the back surface of the flange portion 11b of the case 11 and the front surface of the valve body 2 to ensure waterproofness.
Is arranged.
【００１７】なお、他の符号２３、２４はヨーク、２
５、２６はＯリング、２７は波状座板をそれぞれ表して
いる。The other reference numerals 23 and 24 denote yokes, 2
Reference numerals 5 and 26 denote O-rings, and reference numeral 27 denotes a wavy seat plate.
【００１８】上記のように構成されたソレノイド１にお
いて、可動鉄心１４は、コイル１２への通電の有無に応
じて固定鉄心１５に接近、離隔し、離隔時にボビン１３
の有底円筒部１３ａの底壁１３ｃに衝突する。しかし、
この衝撃力は、有底円筒部１３ａの優れた弾力性によっ
て緩和され、さらに、リード線挟持部１３ｅの弾性力に
よって緩和されてリード線１６に伝達されるようにな
る。したがって、リード線１６に上記衝撃力が伝わりに
くくなり、リード線１６の振動を抑制することができ
る。また、リード線挟持部１３ｅはその弾性力によって
リード線１６の外周面に密着されるため、防水性が確保
される。また、リード線挟持部１３ｅはその弾性力によ
ってケース１１のリード線取出穴１１ａの内周面に密着
されるため、リード線取出穴１１ａを介してケース１１
の内部に水が浸入する不具合を防止できる。In the solenoid 1 constructed as described above, the movable iron core 14 approaches and separates from the fixed iron core 15 depending on whether or not the coil 12 is energized.
Collides with the bottom wall 13c of the bottomed cylindrical portion 13a. But,
This impact force is reduced by the excellent elasticity of the bottomed cylindrical portion 13a, and further reduced by the elastic force of the lead wire holding portion 13e, and transmitted to the lead wire 16. Therefore, the impact force is less likely to be transmitted to the lead wire 16, and the vibration of the lead wire 16 can be suppressed. Further, since the lead wire holding portion 13e is brought into close contact with the outer peripheral surface of the lead wire 16 by its elastic force, waterproofness is ensured. Further, since the lead wire holding portion 13e is brought into close contact with the inner peripheral surface of the lead wire outlet hole 11a of the case 11 by its elastic force, the case 11 is inserted through the lead wire outlet hole 11a.
It is possible to prevent a problem that water infiltrates into the inside.
【００１９】以上説明したように、本実施例のソレノイ
ド用ボビンによると、簡単な構成によってリード線の振
動の抑制及び防水性を図ることができる。As described above, according to the solenoid bobbin of this embodiment, the vibration of the lead wire can be suppressed and the waterproofness can be achieved with a simple structure.
【図１】一実施例によるソレノイド用ボビンが使用され
たソレノイドをバルブ本体に装着した状態を示す断面図
である。FIG. 1 is a sectional view showing a state in which a solenoid using a solenoid bobbin according to an embodiment is mounted on a valve body.
【図２】図１図示Ａ部分の拡大図である。FIG. 2 is an enlarged view of a portion A shown in FIG.
【図３】従来のソレノイドの要部断面図である。FIG. 3 is a sectional view of a main part of a conventional solenoid.
１ ソレノイド １２ コイル １３ ボビン １３ａ 有底円筒部（円筒部） １３ｂ フランジ部 １３ｄ リード線取出穴 １３ｅ リード線挟持部 １４ 可動鉄心 １５ 固定鉄心 １６ リード線 DESCRIPTION OF SYMBOLS 1 Solenoid 12 Coil 13 Bobbin 13a Bottom cylindrical part (cylindrical part) 13b Flange part 13d Lead wire taking-out hole 13e Lead wire clamping part 14 Movable iron core 15 Fixed iron core 16 Lead wire
Claims (1)
容され、外周面にコイルが巻回される円筒部と、 前記円筒部から外方向かつ垂直方向に延在し、リード線
取出穴を有するフランジ部と、 前記リード線取出穴の周囲から外方向に延在し、前記コ
イルに接続されたリード線の外周面に密着されるリード
線挟持部と、 を備え、前記円筒部、前記フランジ部及び前記リード線
挟持部は弾力性に優れた材料で一体成形されてなること
を特徴とするソレノイド用ボビン。1. A cylindrical part in which a part of a movable iron core and a part of a fixed iron core are housed and a coil is wound around an outer peripheral surface, and a lead wire outlet hole extending outwardly and vertically from the cylindrical part. And a lead wire holding portion that extends outward from the periphery of the lead wire outlet hole and is in close contact with the outer peripheral surface of the lead wire connected to the coil. A bobbin for a solenoid, wherein the flange portion and the lead wire holding portion are integrally formed of a material having excellent elasticity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23711697A JPH1187132A (en) | 1997-09-02 | 1997-09-02 | Bobbin for solenoid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23711697A JPH1187132A (en) | 1997-09-02 | 1997-09-02 | Bobbin for solenoid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1187132A true JPH1187132A (en) | 1999-03-30 |
Family
ID=17010658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23711697A Pending JPH1187132A (en) | 1997-09-02 | 1997-09-02 | Bobbin for solenoid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1187132A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002216264A (en) * | 2001-01-23 | 2002-08-02 | Hochiki Corp | Waterproof construction for fire alarm facility |
| DE102008008735A1 (en) * | 2008-02-12 | 2009-09-10 | Hydraulik-Ring Gmbh | Electromagnetic drive for valve, has field coil wound on spool carrier, and pot-shaped housing including pot opening region that is radially clamped in area of pot opening edge by clamping ring at cylindrical part of pole core |
| JP2012009079A (en) * | 2011-10-07 | 2012-01-12 | Hochiki Corp | Method for manufacturing heat sensor |
-
1997
- 1997-09-02 JP JP23711697A patent/JPH1187132A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002216264A (en) * | 2001-01-23 | 2002-08-02 | Hochiki Corp | Waterproof construction for fire alarm facility |
| DE102008008735A1 (en) * | 2008-02-12 | 2009-09-10 | Hydraulik-Ring Gmbh | Electromagnetic drive for valve, has field coil wound on spool carrier, and pot-shaped housing including pot opening region that is radially clamped in area of pot opening edge by clamping ring at cylindrical part of pole core |
| DE102008008735B4 (en) * | 2008-02-12 | 2010-05-20 | Hydraulik-Ring Gmbh | Electromagnetic drive |
| JP2012009079A (en) * | 2011-10-07 | 2012-01-12 | Hochiki Corp | Method for manufacturing heat sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
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Effective date: 20040722 Free format text: JAPANESE INTERMEDIATE CODE: A621 |
|
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Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20050714 |
|
| A131 | Notification of reasons for refusal |
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| A02 | Decision of refusal |
Effective date: 20060328 Free format text: JAPANESE INTERMEDIATE CODE: A02 |