JP3151720B2 - Electromagnetic safety valve - Google Patents
Electromagnetic safety valveInfo
- Publication number
- JP3151720B2 JP3151720B2 JP25775195A JP25775195A JP3151720B2 JP 3151720 B2 JP3151720 B2 JP 3151720B2 JP 25775195 A JP25775195 A JP 25775195A JP 25775195 A JP25775195 A JP 25775195A JP 3151720 B2 JP3151720 B2 JP 3151720B2
- Authority
- JP
- Japan
- Prior art keywords
- holder
- diameter portion
- terminal
- mounting flange
- connector housing
- 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 - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
- Safety Valves (AREA)
- Control Of Temperature (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、弁体を開弁状態に
吸着保持する電磁石を有する、主としてガス器具に用い
られる電磁安全弁に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electromagnetic safety valve having an electromagnet for attracting and holding a valve body in an open state and mainly used for gas appliances.
【０００２】[0002]
【従来の技術】従来、この種の電磁安全弁においては、
図４に示すように、導電材製の筒状のホルダａを設け、
ホルダａの軸線方向を前後方向として、ホルダａの前端
に電磁石ｂを保持させると共に、ホルダａの後部に、ホ
ルダａの中間部外周に形成した鍔部ｃに当接する導電材
製の取付フランジｄと、取付フランジｄに当接する樹脂
製のコネクタハウジングｅとを外挿している。そして、
コネクタハウジングｅ内に、取付フランジｄに電気的に
接続される第１端子ｆと、ホルダａに電気的に絶縁して
挿入固定される第２端子ｇとを設け、電磁石ｂのコイル
ｈの一端をホルダａと取付フランジｄとを介して第１端
子ｆに電気的に接続すると共に、コイルｈの他端を第２
端子ｇに電気的に接続し、熱電対等の火炎検知素子に連
なる１対の導線を両端子ｆ，ｇに接続するようにしてい
る。取付フランジｄは、電磁安全弁を装着するバルブケ
ーシングの端部にボルト止めされるもので、取付フラン
ジｄにホルダａを圧入固定すると共に、コネクタハウジ
ングｅを、第１端子ｆとリベットｉとによって取付フラ
ンジｄにかしめ付けている。2. Description of the Related Art Conventionally, in this type of electromagnetic safety valve,
As shown in FIG. 4, a cylindrical holder a made of a conductive material is provided,
An electromagnet b is held at the front end of the holder a with the axial direction of the holder a as the front-rear direction, and a mounting flange d made of a conductive material is provided at the rear of the holder a to abut on a flange c formed on the outer periphery of an intermediate portion of the holder a. And a resin-made connector housing e that comes into contact with the mounting flange d. And
A first terminal f electrically connected to the mounting flange d and a second terminal g electrically inserted and fixed in the holder a while being electrically insulated are provided in the connector housing e, and one end of a coil h of the electromagnet b is provided. Is electrically connected to the first terminal f via the holder a and the mounting flange d, and the other end of the coil h is connected to the second terminal f.
A terminal g is electrically connected, and a pair of conducting wires connected to a flame detecting element such as a thermocouple is connected to both terminals f and g. The mounting flange d is bolted to an end of a valve casing on which the electromagnetic safety valve is mounted. The holder a is press-fitted and fixed to the mounting flange d, and the connector housing e is mounted by the first terminal f and the rivet i. It is caulked to the flange d.
【０００３】また、ホルダａの内周の孔は、第２端子ｇ
を遊挿可能な中間の小径部ｊと、小径部ｊの前側に位置
する、小径部ｊより大径の第１大径部ｋと、小径部ｊの
後側に位置する、小径部ｊより大径の中間径部ｌと、中
間径部ｌの後側に位置する、中間径部ｌより大径の第２
大径部ｍとを有する段付形状に形成されている。そし
て、第１と第２の両大径部ｋ，ｍに前後１対の環状の絶
縁板ｎ，ｏ、中間径部ｌにＯリングｐを夫々装着し、第
２端子ｇを、第２大径部ｍに装着した後側の絶縁板ｏと
Ｏリングｐと第１大径部ｋに装着した前側の絶縁板ｎと
に嵌挿し、第２端子ｇの中間部に形成した径方向外方へ
の膨出部ｑを後側の絶縁板ｏの後面に係合させた状態で
第２端子ｇの前端を前側の絶縁板ｎの前面に係合するよ
うにかしめて、第２端子ｇをホルダａに電気的に絶縁し
て挿入固定している。[0003] The inner hole of the holder a is provided with a second terminal g.
And a first large diameter portion k located on the front side of the small diameter portion j and located on the front side of the small diameter portion j, and a small diameter portion j located on the rear side of the small diameter portion j. A large-diameter intermediate diameter portion l, and a second intermediate diameter portion l located behind the intermediate diameter portion l and having a larger diameter than the intermediate diameter portion l.
It is formed in a stepped shape having a large diameter portion m. Then, a pair of front and rear annular insulating plates n and o are attached to the first and second large-diameter portions k and m, and an O-ring p is attached to the intermediate-diameter portion l, and the second terminal g is connected to the second large-diameter portion. A radially outward portion formed at an intermediate portion of the second terminal g by being inserted into the rear insulating plate o and the O-ring p mounted on the diameter portion m and the front insulating plate n mounted on the first large diameter portion k. The front end of the second terminal g is engaged with the front surface of the front insulating plate n while the bulging portion q is engaged with the rear surface of the rear insulating plate o. It is electrically insulated and fixed to the holder a.
【０００４】[0004]
【発明が解決しようとする課題】上記した従来例では、
取付フランジｄとコネクタハウジングｅとを第１端子ｆ
とリベットｉとのかしめによって結合しているため、部
品点数が増すと共に組立工数が増してコストが高くな
り、また、取付フランジｄに対しホルダａを抜け止めす
る上で両者を強圧入で結合せざるを得ず、この点もコス
トアップの要因になっている。本発明は、以上の点に鑑
み、部品点数及び組立工数を削減してコストダウンを図
れるようにした電磁安全弁を提供することを課題として
いる。In the above conventional example,
The first terminal f is connected to the mounting flange d and the connector housing e.
And the rivet i are joined by caulking, so that the number of parts increases and the number of assembling steps increases, so that the cost increases. Further, when the holder a is prevented from coming off with respect to the mounting flange d, the two are joined by strong press fitting. Inevitably, this point is also a factor of cost increase. In view of the above, an object of the present invention is to provide an electromagnetic safety valve capable of reducing the number of parts and the number of assembling steps to achieve cost reduction.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決すべく、
本発明では、弁体を開弁状態に吸着保持する電磁石を有
する電磁安全弁であって、導電材製の筒状のホルダを備
え、ホルダの軸線方向を前後方向として、ホルダの前端
に電磁石を保持させると共に、ホルダの後部に、ホルダ
の中間部外周に形成した鍔部に当接する導電材製の取付
フランジと、取付フランジに当接する樹脂製のコネクタ
ハウジングとを外挿し、コネクタハウジング内に、取付
フランジに電気的に接続される第１端子と、ホルダに電
気的に絶縁して挿入固定される第２端子とを設け、電磁
石のコイルの一端をホルダと取付フランジとを介して第
１端子に電気的に接続すると共に、コイルの他端を第２
端子に電気的に接続するものにおいて、第１端子を取付
フランジに一体成形すると共に、コネクタハウジングを
ホルダに超音波溶着して、取付フランジを鍔部とコネク
タハウジングとの間に挟着する。Means for Solving the Problems In order to solve the above problems,
According to the present invention, there is provided an electromagnetic safety valve having an electromagnet for attracting and holding a valve body in an open state, comprising a cylindrical holder made of a conductive material, holding the electromagnet at the front end of the holder with the axial direction of the holder being the front-back direction At the same time, at the rear of the holder, extrapolate a mounting flange made of a conductive material, which comes into contact with a flange formed on the outer periphery of the intermediate portion of the holder, and a connector housing made of resin, which comes into contact with the mounting flange. A first terminal electrically connected to the flange and a second terminal electrically inserted and fixed to the holder while being electrically insulated are provided. One end of the coil of the electromagnet is connected to the first terminal via the holder and the mounting flange. Connect the other end of the coil to the second
In the electrical connection to the terminal, the first terminal is integrally formed with the mounting flange, and the connector housing is ultrasonically welded to the holder, so that the mounting flange is sandwiched between the flange and the connector housing.
【０００６】これによれば、コネクタハウジングの超音
波溶着だけでホルダと取付フランジとコネクタハウジン
グとを相互に抜け止めして確実に結合でき、かしめや強
圧入が不要となり、更に、第１端子を別部品として設け
る必要がなく、部品点数及び組立工数を削減してコスト
ダウンを図ることができる。[0006] According to this, the holder, the mounting flange and the connector housing can be prevented from coming off from each other and can be securely connected only by ultrasonic welding of the connector housing, and caulking and strong press-fitting are not required. There is no need to provide them as separate parts, and the number of parts and the number of assembling steps can be reduced to reduce costs.
【０００７】この場合、ホルダの後部外周面に、コネク
タハウジングの溶着箇所の後側に位置させて、環状の小
突起を形成しておけば、小突起が抜け止め用ストッパと
して機能し、ホルダと取付フランジとコネクタハウジン
グとの結合強度が一層向上し、有利である。In this case, if a small annular projection is formed on the outer peripheral surface of the rear portion of the rear of the holder at the rear side of the welded portion of the connector housing, the small projection functions as a stopper for preventing the holder from coming off. Advantageously, the coupling strength between the mounting flange and the connector housing is further improved.
【０００８】また、上記従来例のように、ホルダの内周
の孔を段付形状に形成し、前側の第１大径部と後側の第
２大径部とに前後１対の環状絶縁板を装着すると共に中
間径部にＯリングを装着し、第２端子の中間の膨出部を
後側の絶縁板の後面に係合させた状態で第２端子の前端
を前側の絶縁板の前面に係合するようにかしめて、第２
端子をホルダに電気的に絶縁して挿入固定する場合、後
側の絶縁板をコネクタハウジングに一体成形しておけ
ば、部品点数を削減して一層のコストダウンを図ること
ができ、有利である。Further, as in the above-mentioned conventional example, a hole on the inner periphery of the holder is formed in a stepped shape, and a pair of front and rear annular insulating members is formed in the first large diameter portion on the front side and the second large diameter portion on the rear side. The front end of the second terminal is connected to the front insulating plate while the plate is mounted and the O-ring is mounted on the intermediate diameter portion, and the intermediate bulging portion of the second terminal is engaged with the rear surface of the rear insulating plate. Caulked to engage the front face,
When the terminals are electrically insulated and fixed to the holder, if the rear insulating plate is integrally formed with the connector housing, the number of parts can be reduced and the cost can be further reduced, which is advantageous. .
【０００９】尚、コネクタハウジングの超音波溶着に際
し、該ハウジングに一体成形した後側の絶縁板を介して
Ｏリングに振動が伝達されるとＯリングに悪影響が及ぶ
ため、中間径部と第２大径部との間に中間径部の径より
も内方に張り出す内フランジ部を設け、内フランジ部に
よってＯリングと後側の絶縁板とを隔離し得るようにす
ることが望ましい。When ultrasonic vibration is transmitted to the O-ring through the rear insulating plate integrally formed with the connector housing during ultrasonic welding of the connector housing, the O-ring is adversely affected. It is desirable to provide an inner flange portion that protrudes inward from the diameter of the intermediate diameter portion between the large diameter portion and the inner flange portion so that the O-ring and the rear insulating plate can be isolated from each other.
【００１０】[0010]
【発明の実施の形態】図１は、ガス器具のバルブユニッ
トに組込まれる電磁安全弁を示している。電磁安全弁
は、マグネットケース１に収納される電磁石２と、電磁
石２の前方（図１で左方）に対向する吸着片３と、マグ
ネットケース１の前端部に挿通した弁杆４を介して吸着
片３に連結される、ばね５で前方に付勢されるゴム製の
弁体６とを備えており、電磁石２をバーナの火炎を検知
する熱電対等の火炎検知手段の出力により磁励し、バー
ナの失火で電磁石２による吸着片３の吸着が解かれたと
き、ばね５の付勢力で弁体６を図外の弁座に着座させ、
ガス供給を停止するように構成されている。FIG. 1 shows an electromagnetic safety valve incorporated in a valve unit of a gas appliance. The electromagnetic safety valve is attracted via an electromagnet 2 housed in a magnet case 1, an attraction piece 3 facing the front of the electromagnet 2 (to the left in FIG. 1), and a valve rod 4 inserted into the front end of the magnet case 1. A rubber valve body 6 urged forward by a spring 5 connected to the piece 3, and magnetizes the electromagnet 2 by an output of a flame detecting means such as a thermocouple for detecting a burner flame; When the attraction of the attraction piece 3 by the electromagnet 2 is released due to the misfire of the burner, the valve body 6 is seated on a valve seat (not shown) by the urging force of the spring 5,
It is configured to stop gas supply.
【００１１】電磁石２は、導電材製、例えば、金属製の
筒状のホルダ７の前端に嵌合保持されており、該ホルダ
７の前端部外周にマグネットケース１の後端部を外嵌し
て、該ケース１内に電磁石２を収納する。The electromagnet 2 is fitted and held on the front end of a cylindrical holder 7 made of a conductive material, for example, a metal. The rear end of the magnet case 1 is fitted around the front end of the holder 7. Then, the electromagnet 2 is housed in the case 1.
【００１２】ホルダ７の中間部外周には鍔部７ａが形成
されており、ホルダ７の後部に、鍔部７ａに当接する、
導電材製、例えば、金属製の取付フランジ８と、該取付
フランジ８に当接する、樹脂製のコネクタハウジング９
とを外挿し、該コネクタハウジング９内に、取付フラン
ジ８を折曲げて一体成形した第１端子１０と、ホルダ７
に後記詳述する如く電気的に絶縁して挿入固定した中空
ピンから成る第２端子１１とを設けている。そして、電
磁石２のコイル２ａの一端をホルダ７と取付フランジ８
とを介して第１端子１０に電気的に接続し、また、コイ
ル２ａの他端を第２端子１１に挿入してその後端部で両
者を半田付け又は溶接し、火炎検知手段に連なる１対の
導線を両端子１０，１１に接続することにより、火炎検
知手段の出力で電磁石２を励磁し得るようにしている。A flange 7a is formed on the outer periphery of the intermediate portion of the holder 7, and the rear of the holder 7 is brought into contact with the flange 7a.
A mounting flange 8 made of a conductive material, for example, a metal, and a resin connector housing 9 abutting on the mounting flange 8.
And a first terminal 10 integrally formed by bending the mounting flange 8 in the connector housing 9 and a holder 7.
And a second terminal 11 composed of a hollow pin which is inserted and fixed while being electrically insulated as described in detail below. Then, one end of the coil 2 a of the electromagnet 2 is connected to the holder 7 and the mounting flange 8.
And the other end of the coil 2a is inserted into the second terminal 11 and soldered or welded at the rear end thereof to form a pair of coils connected to the flame detecting means. Is connected to both terminals 10 and 11 so that the electromagnet 2 can be excited by the output of the flame detecting means.
【００１３】電磁安全弁は、鍔部７ａまでがバルブケー
シングに挿入され、取付フランジ８に形成した図２に示
す如き取付穴８ａにおいてバルブケーシングの端部にボ
ルト止めされる。この場合、電磁安全弁が分解しないよ
う、ホルダ７と取付フランジ８とコネクタハウジング９
との３者を結合する必要があり、そこで本実施例では、
コネクタハウジング９をホルダ７の後部外周面に超音波
溶着している。これによれば、ホルダ７と取付フランジ
８を強圧入で結合しなくても、取付フランジ８を鍔部７
ａとコネクタハウジング９との間に挟着して、ホルダ７
と取付フランジ８とを確実に結合できる。かくて、ホル
ダ７は取付フランジ８に遊挿或いは軽圧入で組付けてお
くだけで良く、組立作業性が向上する。The electromagnetic safety valve is inserted up to the flange portion 7a into the valve casing, and is bolted to an end of the valve casing at a mounting hole 8a formed in the mounting flange 8 as shown in FIG. In this case, the holder 7, the mounting flange 8 and the connector housing 9 are used so that the electromagnetic safety valve is not disassembled.
It is necessary to combine the three with, and in this embodiment,
The connector housing 9 is ultrasonically welded to the rear outer peripheral surface of the holder 7. According to this, even if the holder 7 and the mounting flange 8 are not joined by strong press-fitting, the mounting flange 8 can be
a between the connector housing 9 and the
And the mounting flange 8 can be securely connected. Thus, the holder 7 only needs to be attached to the mounting flange 8 by loose insertion or light press-fitting, and the assembling workability is improved.
【００１４】また、本実施形態では、ホルダ７の後部外
周面に、図３に明示する如く、コネクタハウジング９の
溶着箇所の後側に位置する環状の小突起７ｂを設け、コ
ネクタハウジング９を超音波振動させつつ押し込む際、
摩擦熱で溶融したコネクタハウジング９の部分が小突起
７ｂの前方で凝固するようにした。これによれば、小突
起７ｂが抜け止め用ストッパとして機能し、ホルダ７に
対するコネクタハウジング９の結合強度が高められ、ひ
いてはホルダ７と取付フランジ８との結合強度も高めら
れる。Further, in the present embodiment, as shown in FIG. 3, an annular small protrusion 7b located on the rear side of the welding portion of the connector housing 9 is provided on the outer peripheral surface of the rear portion of the holder 7, and When pushing while sonic vibration,
The portion of the connector housing 9 melted by the frictional heat is solidified in front of the small projection 7b. According to this, the small projections 7b function as stoppers for retaining, and the coupling strength of the connector housing 9 to the holder 7 is increased, and thus the coupling strength between the holder 7 and the mounting flange 8 is also increased.
【００１５】ホルダ７の内周の孔は、図３に示す如く、
第２端子１１を遊挿可能な中間の小径部７ｃと、小径部
７ｃの前側の、小径部７ｃより大径の第１大径部７ｄ
と、小径部７ｃの後側の、小径部７ｃより大径の中間径
部７ｅと、中間径部７ｅの後側の、中間径部７ｅより大
径の第２大径部７ｆとを有する段付形状に形成されてい
る。そして、第１と第２の両大径部７ｄ，７ｆに前後１
対の環状の絶縁板１２，１３を装着すると共に、中間径
部７ｅにＯリング１４を装着し、第２端子１１を後方か
ら後側の絶縁板１３とＯリング１４と前側の絶縁板１２
とに挿通し、第２端子１１の中間部に形成した径方向外
方への膨出部１１ａを後側の絶縁板１３の後面に係合さ
せた状態で第２端子１１の前端を前側の絶縁板１２の前
面に係合するようにかしめて、第２端子１１をホルダ７
に電気的に絶縁して挿入固定している。The inner peripheral hole of the holder 7 is formed as shown in FIG.
An intermediate small-diameter portion 7c into which the second terminal 11 can be loosely inserted, and a first large-diameter portion 7d in front of the small-diameter portion 7c and having a diameter larger than the small-diameter portion 7c.
A step having a middle diameter portion 7e behind the small diameter portion 7c and having a larger diameter than the small diameter portion 7c, and a second large diameter portion 7f behind the middle diameter portion 7e and having a larger diameter than the intermediate diameter portion 7e. It is formed in an attached shape. The first and second large-diameter portions 7d and 7f are then moved back and forth by one.
A pair of annular insulating plates 12 and 13 are mounted, an O-ring 14 is mounted on the intermediate diameter portion 7e, and the second terminal 11 is connected to the rear insulating plate 13, the O-ring 14, and the front insulating plate 12 from the rear.
The front end of the second terminal 11 is connected to the front end of the second terminal 11 in a state where the radially outward swelling portion 11a formed at the intermediate portion of the second terminal 11 is engaged with the rear surface of the rear insulating plate 13. The second terminal 11 is crimped so as to engage with the front surface of the insulating plate 12 and the holder 7 is
Is electrically insulated and fixed.
【００１６】そして、本実施形態では、後側の絶縁板１
３をコネクタハウジング９に一体成形し、第１端子１０
を取付フランジ８に一体成形することと相俟って、部品
点数を可及的に減少し得るようにしている。この場合、
コネクタハウジング９の超音波溶着後に第２端子１１の
組付けを行うが、中間径部７ｅに絶縁板１３の内周を通
してＯリング１４を装着することは困難であり、そのた
め、超音波溶着前に中間径部７ｅにＯリング１４を装着
しておく必要がある。その結果、コネクタハウジング９
の超音波溶着に際し、これと一体の絶縁板１３を介して
Ｏリング１４に超音波振動が伝達されてＯリング１４に
悪影響が及ぶ可能性がある。そこで、本実施形態では、
中間径部７ｅと第２大径部７ｆとの間に中間径部７ｅの
径よりも内方に張り出す内フランジ部７ｇを設け、該内
フランジ部７ｇによりＯリング１４と絶縁板１３とを隔
離している。In this embodiment, the rear insulating plate 1 is used.
3 is integrally formed with the connector housing 9 and the first terminal 10 is formed.
Is formed integrally with the mounting flange 8 so that the number of parts can be reduced as much as possible. in this case,
The second terminal 11 is assembled after the connector housing 9 is ultrasonically welded. However, it is difficult to mount the O-ring 14 through the inner circumference of the insulating plate 13 on the intermediate diameter portion 7e. It is necessary to attach the O-ring 14 to the intermediate diameter portion 7e. As a result, the connector housing 9
When the ultrasonic welding is performed, ultrasonic vibration is transmitted to the O-ring 14 via the insulating plate 13 integrated therewith, and the O-ring 14 may be adversely affected. Therefore, in this embodiment,
An inner flange portion 7g extending inward from the diameter of the intermediate diameter portion 7e is provided between the intermediate diameter portion 7e and the second large diameter portion 7f, and the O-ring 14 and the insulating plate 13 are separated by the inner flange portion 7g. Isolated.
【００１７】また、本実施形態では、電磁安全弁の弁体
６の背面に設けるばね受け５ａを樹脂製とし、ばね受け
５ａを弁体６の成形型内にセットした状態でゴム製の弁
体６を成形し、弁体６とばね受け５ａとを一体化して、
部品点数のより一層の削減を図れるようにしている。Further, in this embodiment, the rubber support 5a provided on the back surface of the valve body 6 of the electromagnetic safety valve is made of resin, and the spring support 5a is set in the molding die of the valve body 6 in a state where the rubber support 6a is set. And the valve body 6 and the spring receiver 5a are integrated,
The number of parts can be further reduced.
【図１】 本発明安全弁の一例の縦断面図FIG. 1 is a longitudinal sectional view of an example of the safety valve of the present invention.
【図２】 図１の右側面図FIG. 2 is a right side view of FIG.
【図３】 要部の拡大縦断面図FIG. 3 is an enlarged vertical sectional view of a main part.
【図４】 従来例の縦断面図FIG. 4 is a longitudinal sectional view of a conventional example.
２ 電磁石 ２ａ コイル ６ 弁体 ７ ホルダ ７ａ 鍔部 ７ｂ 小突起 ７ｃ 小径部 ７ｄ 第１大径
部 ７ｅ 中間径部 ７ｆ 第２大径
部 ７ｇ 内フランジ部 ８ 取付フラ
ンジ ９ コネクタハウジング １０ 第１端子 １１ 第２端子 １２ 前側の絶
縁板 １３ 後側の絶縁板 １４ ＯリングReference Signs List 2 electromagnet 2a coil 6 valve body 7 holder 7a flange 7b small projection 7c small diameter part 7d first large diameter part 7e intermediate diameter part 7f second large diameter part 7g inner flange part 8 mounting flange 9 connector housing 10 first terminal 11th 2 terminals 12 Front insulating plate 13 Rear insulating plate 14 O-ring
Claims (4)
有する電磁安全弁であって、導電材製の筒状のホルダを
備え、ホルダの軸線方向を前後方向として、ホルダの前
端に電磁石を保持させると共に、ホルダの後部に、ホル
ダの中間部外周に形成した鍔部に当接する導電材製の取
付フランジと、取付フランジに当接する樹脂製のコネク
タハウジングとを外挿し、コネクタハウジング内に、取
付フランジに電気的に接続される第１端子と、ホルダに
電気的に絶縁して挿入固定される第２端子とを設け、電
磁石のコイルの一端をホルダと取付フランジとを介して
第１端子に電気的に接続すると共に、コイルの他端を第
２端子に電気的に接続するものにおいて、第１端子を取
付フランジに一体成形すると共に、コネクタハウジング
をホルダに超音波溶着して、取付フランジを鍔部とコネ
クタハウジングとの間に挟着することを特徴とする電磁
安全弁。1. An electromagnetic safety valve having an electromagnet for attracting and holding a valve element in an open state, comprising a cylindrical holder made of a conductive material, wherein an electromagnet is provided at a front end of the holder with the axial direction of the holder being the front-back direction. At the same time as holding, at the rear of the holder, extrapolate a conductive mounting flange made of a conductive material that contacts the flange formed on the outer periphery of the intermediate part of the holder, and a resin connector housing that comes into contact with the mounting flange. A first terminal electrically connected to the mounting flange; and a second terminal electrically inserted and fixed to the holder while being electrically insulated from the holder. One end of the coil of the electromagnet is connected to the first terminal via the holder and the mounting flange. And the other end of the coil is electrically connected to the second terminal. The first terminal is integrally formed with the mounting flange, and the connector housing is ultrasonically fused to the holder. An electromagnetic safety valve, wherein the mounting flange is attached and a mounting flange is sandwiched between a flange portion and a connector housing.
ングの溶着箇所の後側に位置させて、環状の小突起を形
成することを特徴とする請求項１に記載の電磁安全弁。2. The electromagnetic safety valve according to claim 1, wherein an annular small projection is formed on a rear outer peripheral surface of the holder behind the welded portion of the connector housing.
能な中間の小径部と、小径部の前側に位置する、小径部
より大径の第１大径部と、小径部の後側に位置する、小
径部より大径の中間径部と、中間径部の後側に位置する
中間径部より大径の第２大径部とを有する段付形状に形
成し、第１と第２の大径部に前後１対の環状の絶縁板、
中間径部にＯリングを夫々装着し、第２端子を、第２大
径部に装着した後側の絶縁板とＯリングと第１大径部に
装着した前側の絶縁板とに嵌挿し、第２端子の中間部に
形成した径方向外方への膨出部を後側の絶縁板の後面に
当接させた状態で第２端子の前端を前側の絶縁板の前面
に係合するようにかしめて、第２端子をホルダに電気的
に絶縁して挿入固定すると共に、後側の絶縁板をコネク
タハウジングに一体成形することを特徴とする請求項１
又は２に記載の電磁安全弁。3. An inner peripheral hole of the holder is provided with an intermediate small-diameter portion in which the second terminal can be loosely inserted, a first large-diameter portion located in front of the small-diameter portion and having a diameter larger than the small-diameter portion, Formed in a stepped shape having an intermediate diameter portion larger in diameter than the small diameter portion and a second large diameter portion larger in diameter than the intermediate diameter portion located behind the intermediate diameter portion, A pair of front and rear annular insulating plates on the first and second large diameter portions,
O-rings are respectively attached to the intermediate diameter portions, and the second terminals are inserted into the rear insulating plate attached to the second large-diameter portion, the O-ring and the front insulating plate attached to the first large-diameter portion, The front end of the second terminal is engaged with the front surface of the front insulating plate in a state where the radially outward bulging portion formed at the intermediate portion of the second terminal is in contact with the rear surface of the rear insulating plate. 2. The connector according to claim 1, wherein the second terminal is electrically insulated and fixed to the holder while being inserted and fixed, and the rear insulating plate is integrally formed with the connector housing.
Or the electromagnetic safety valve according to 2.
の径よりも内方に張り出す内フランジ部を設けることを
特徴とする請求項３に記載の電磁安全弁。4. The electromagnetic safety valve according to claim 3, wherein an inner flange portion is provided between the intermediate diameter portion and the second large diameter portion so as to project inward from the diameter of the intermediate diameter portion.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25775195A JP3151720B2 (en) | 1995-10-04 | 1995-10-04 | Electromagnetic safety valve |
| KR1019960043927A KR100205183B1 (en) | 1995-10-04 | 1996-10-04 | Electric safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25775195A JP3151720B2 (en) | 1995-10-04 | 1995-10-04 | Electromagnetic safety valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09100929A JPH09100929A (en) | 1997-04-15 |
| JP3151720B2 true JP3151720B2 (en) | 2001-04-03 |
Family
ID=17310600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25775195A Expired - Fee Related JP3151720B2 (en) | 1995-10-04 | 1995-10-04 | Electromagnetic safety valve |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3151720B2 (en) |
| KR (1) | KR100205183B1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4519026B2 (en) * | 2005-07-26 | 2010-08-04 | リンナイ株式会社 | Electromagnetic safety valve |
| JP4717034B2 (en) * | 2007-07-06 | 2011-07-06 | リンナイ株式会社 | Electromagnetic safety valve |
| JP2016037877A (en) * | 2014-08-06 | 2016-03-22 | 株式会社ケーヒン | Flow control device |
-
1995
- 1995-10-04 JP JP25775195A patent/JP3151720B2/en not_active Expired - Fee Related
-
1996
- 1996-10-04 KR KR1019960043927A patent/KR100205183B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR100205183B1 (en) | 1999-07-01 |
| KR970021919A (en) | 1997-05-28 |
| JPH09100929A (en) | 1997-04-15 |
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