JP2003100189A - Sealing contact device - Google Patents
Sealing contact deviceInfo
- Publication number
- JP2003100189A JP2003100189A JP2001289035A JP2001289035A JP2003100189A JP 2003100189 A JP2003100189 A JP 2003100189A JP 2001289035 A JP2001289035 A JP 2001289035A JP 2001289035 A JP2001289035 A JP 2001289035A JP 2003100189 A JP2003100189 A JP 2003100189A
- Authority
- JP
- Japan
- Prior art keywords
- gas vent
- contact device
- hole
- magnetic material
- plate
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/023—Details concerning sealing, e.g. sealing casing with resin
- H01H2050/025—Details concerning sealing, e.g. sealing casing with resin containing inert or dielectric gasses, e.g. SF6, for arc prevention or arc extinction
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、封止接点装置、特
に、パワー負荷用リレーあるいは電磁開閉器等に適した
封止接点装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealed contact device, and more particularly to a sealed contact device suitable for a power load relay or an electromagnetic switch.
【０００２】[0002]
【従来の技術】従来、封止接点装置としては図１０に図
示した封止接点装置がある。すなわち、図１０に示す封
止接点装置は、コイル１を巻回したスプール２の中心孔
２ａに有底筒体３を挿入するとともに、前記有底筒体３
の上方開口縁部を板状磁性材４に気密接合してある。さ
らに、前記板状磁性材４の上面縁部に接続一体化した環
状の接続部材５の上方開口縁部に箱形状の封止容器６を
ロウ付けすることにより、内部空間７が密閉されてい
る。前記内部空間７のうち、その上方には接点機構部８
を配置してある。2. Description of the Related Art Conventionally, as a sealed contact device, there is a sealed contact device shown in FIG. That is, in the sealed contact device shown in FIG. 10, the bottomed cylinder 3 is inserted into the center hole 2a of the spool 2 around which the coil 1 is wound, and the bottomed cylinder 3 is inserted.
The upper edge of the opening is airtightly joined to the plate-shaped magnetic material 4. Furthermore, the inner space 7 is sealed by brazing the box-shaped sealing container 6 to the upper opening edge of the annular connecting member 5 which is connected and integrated to the upper edge of the plate-shaped magnetic material 4. . The contact mechanism section 8 is provided above the internal space 7.
Has been placed.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、前述の
封止接点装置によれば、薄肉の前記接続部材５の側面
に、前記内部空間７に連通するガス抜きパイプ９が側方
に突出するように溶接一体化されている。このため、前
記封止接点装置の最大外形寸法が大きくなり、スペース
を有効に利用できない。また、前記ガス抜きパイプ９が
側方に突出しているので、他の機器に衝突して破損しや
すく、気密性を失いやすい。さらに、薄肉の接続部材５
にガス抜きパイプ９を溶接一体化する必要があるので、
溶接作業に手間がかかり、熟練を要するという問題点が
ある。However, according to the above-mentioned sealed contact device, the degassing pipe 9 communicating with the internal space 7 is projected laterally on the side surface of the thin connecting member 5. It is integrated by welding. Therefore, the maximum external dimension of the sealed contact device becomes large, and the space cannot be effectively used. Further, since the gas vent pipe 9 projects laterally, it is likely to collide with other equipment and be damaged, and the airtightness is likely to be lost. Furthermore, the thin connecting member 5
Since it is necessary to integrally weld the gas vent pipe 9 to
There is a problem that the welding work is troublesome and requires skill.
【０００４】本発明は、前記問題点に鑑み、外形寸法が
小さく、スペースを有効利用できるとともに、気密性の
確保および生産が容易な封止接点装置を提供することに
ある。In view of the above problems, the present invention is to provide a sealed contact device which has a small outer dimension, can effectively utilize a space, and can ensure airtightness and can be easily produced.
【０００５】[0005]
【課題を解決するための手段】本発明にかかる封止接点
装置は、前記目的を達成すべく、板状磁性材の上面縁部
に溶接一体化した接続部材の上方開口部に箱形状の封止
容器を接続一体化して密封した内部空間に接続機構部を
組み込むとともに、前記板状磁性材の縁部近傍に設けた
ガス抜き孔にガス抜きパイプを下方側から接続する封止
接点装置において、前記ガス抜き孔の上方開口縁部に、
前記内部空間に連通する座ぐり穴を設けた構成としてあ
る。In order to achieve the above-mentioned object, a sealed contact device according to the present invention has a box-shaped sealing in an upper opening of a connecting member integrally welded to an upper edge of a plate-shaped magnetic material. In a sealed contact device for connecting a gas stop pipe to a gas vent hole provided in the vicinity of the edge of the plate-like magnetic material from the lower side, while incorporating a connection mechanism part in the sealed and sealed inner space. At the upper opening edge of the gas vent hole,
A counterbore hole communicating with the internal space is provided.
【０００６】したがって、本発明によれば、板状磁性材
の下面縁部からガス抜きパイプが下方に向けて突出して
いるので、最大外形寸法が大きくならず、スペースを有
効に利用できる。また、ガス抜きパイプが板状磁性材の
下面側に位置することになり、他の機器に衝突する可能
性が低くなり、ガス抜きパイプが破損しにくいので、気
密性を確保しやすい。さらに、ガス抜きパイプを板状磁
性材のガス抜き孔に接続しているので、接続作業が容易
であり、熟練を必要としない。そして、ガス抜き孔の上
方開口縁部に座ぐり穴を設けてあるので、接続部材でガ
ス抜き孔が被覆されても、内部空間の脱気および不活性
ガスの注入を行うことができる。このため、ガス抜き孔
の位置を任意に選定でき、設計の自由度が広がる。Therefore, according to the present invention, the degassing pipe projects downward from the lower edge of the plate-shaped magnetic material, so that the maximum external dimension does not become large and the space can be effectively used. Further, since the gas vent pipe is located on the lower surface side of the plate-shaped magnetic material, the possibility of colliding with other equipment is reduced, and the gas vent pipe is less likely to be damaged, so that it is easy to ensure airtightness. Furthermore, since the gas vent pipe is connected to the gas vent hole of the plate-shaped magnetic material, the connection work is easy and no skill is required. Further, since the counterbore hole is provided at the upper opening edge of the gas vent hole, even if the gas vent hole is covered with the connecting member, degassing of the internal space and injection of the inert gas can be performed. Therefore, the position of the gas vent hole can be arbitrarily selected, and the degree of freedom in design is expanded.
【０００７】また、本実施形態としては、略方形の板状
磁性材の隅部にガス抜き孔を設けておいてもよい。本実
施形態によれば、ガス抜き孔を方形の板状磁性材の隅部
に配置してあるので、デッドスペースを有効に利用でき
るだけでなく、コイルを方形板状磁性材の４辺の縁部近
傍まで巻回でき、高い起磁力が得られる。Further, in this embodiment, gas vent holes may be provided in the corners of the substantially rectangular plate-shaped magnetic material. According to the present embodiment, since the gas vent holes are arranged at the corners of the rectangular plate-shaped magnetic material, not only the dead space can be effectively utilized but also the coil is provided at the four edge portions of the rectangular plate-shaped magnetic material. It can be wound up to the vicinity and high magnetomotive force can be obtained.
【０００８】さらに、別の実施形態としては、ガス抜き
パイプの上端面に、座ぐり穴と略同一深さの切り欠き部
を設けておいてもよい。本実施形態によれば、板状磁性
材の座ぐり穴およびガス抜き孔の切り欠き部を介して脱
気および不活性ガスの注入を行うことができる。このた
め、ガス抜きパイプの上端面を接続部材の天井面に当接
させて位置決めでき、位置決め作業が容易になる。Further, as another embodiment, a cutout portion having substantially the same depth as the counterbore hole may be provided on the upper end surface of the gas vent pipe. According to this embodiment, degassing and inert gas injection can be performed through the counterbore hole of the plate-shaped magnetic material and the notch of the gas vent hole. Therefore, the upper end surface of the degassing pipe can be brought into contact with the ceiling surface of the connecting member for positioning, which facilitates the positioning work.
【０００９】さらに、本願の他の発明としては、板状磁
性材の上面縁部に溶接一体化した接続部材の上方開口部
に箱形状の封止容器を接続一体化して密封した内部空間
に接続機構部を組み込むとともに、前記板状磁性材の縁
部近傍に設けたガス抜き孔にガス抜きパイプを下方側か
ら接続する封止接点装置において、接続部材のガス抜き
孔の上方に位置する部分に、前記内部空間に連通する膨
出部を形成した構成としてある。本発明によれば、接続
部材の膨出部を介して脱気および不活性ガスの注入を行
うことができる。このため、板状磁性材の上面とガス抜
きパイプの上端面とを面一にするだけで位置決め作業が
完了するので、組立作業が容易になるという効果があ
る。Further, according to another invention of the present application, a box-shaped sealing container is connected to an upper opening of a connecting member integrally welded to an upper edge of a plate-shaped magnetic material, and integrally connected to a sealed internal space. In a sealed contact device in which a mechanism part is incorporated and a gas vent pipe is connected to the gas vent hole provided in the vicinity of the edge of the plate-shaped magnetic material from below, in a portion located above the gas vent hole of the connection member. A bulging portion that communicates with the internal space is formed. According to the present invention, degassing and inert gas injection can be performed via the bulging portion of the connecting member. Therefore, the positioning work is completed only by making the upper surface of the plate-shaped magnetic material flush with the upper end surface of the gas vent pipe, which has the effect of facilitating the assembly work.
【００１０】[0010]
【発明の実施の形態】本発明にかかる実施形態を図１な
いし図９の添付図面に従って説明する。本発明にかかる
封止接点装置の第１実施形態は、図１ないし図５に示す
ように、駆動機構部１０と、接点機構部３０とから構成
されている。そして、駆動機構部１０は、断面略コ字形
の第１ヨーク１１と、第１ヨーク１１の両端部に架け渡
した板状磁性材からなる第２ヨーク１２との間に、コイ
ル１３を巻回したスプール１４を固定したものである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment according to the present invention will be described with reference to the accompanying drawings of FIGS. The first embodiment of the sealed contact device according to the present invention includes a drive mechanism section 10 and a contact mechanism section 30, as shown in FIGS. Then, the drive mechanism unit 10 winds the coil 13 between the first yoke 11 having a substantially U-shaped cross section and the second yoke 12 made of a plate-shaped magnetic material which is provided on both ends of the first yoke 11. The spool 14 is fixed.
【００１１】前記第１ヨーク１１は、その中央部に設け
た挿通孔１１ａにブッシュ形状の補助ヨーク１５を外側
から挿入，固定してある。前記補助ヨーク１５の外側に
スプール１４の中心孔１４ａを嵌合する一方、前記補助
ヨーク１５の内側に有底筒体１６の下方部を挿入してあ
る。前記有底筒体１６の上方開口縁部は前記第２ヨーク
１２の下面に気密接合されている。さらに、前記有底筒
体１６の底面には、ゴム材からなる衝撃吸収板１７およ
び前記衝撃吸収板１７に後述する可動鉄芯２３が接着す
ることを防止する薄板１８が順次配置されている。The first yoke 11 has a bush-shaped auxiliary yoke 15 inserted and fixed from the outside into an insertion hole 11a formed in the central portion thereof. The center hole 14a of the spool 14 is fitted on the outer side of the auxiliary yoke 15, while the lower portion of the bottomed cylindrical body 16 is inserted on the inner side of the auxiliary yoke 15. The upper opening edge of the bottomed cylindrical body 16 is airtightly joined to the lower surface of the second yoke 12. Further, on the bottom surface of the bottomed cylindrical body 16, a shock absorbing plate 17 made of a rubber material and a thin plate 18 for preventing a movable iron core 23 described later from adhering to the shock absorbing plate 17 are sequentially arranged.
【００１２】前記第２ヨーク１２の中心孔１２ａに嵌
合，固定された固定鉄芯２０が前記有底筒体１６の開口
部を閉塞している。そして、前記固定鉄芯２０に設けた
貫通孔２０ａには可動軸２１がスライド可能に挿入され
ている。前記可動軸２１の下端部には復帰バネ２２を介
して可動鉄芯２３が固定されている。前記可動鉄芯２３
は有底筒体１６内にスライド可能に収納されている。A fixed iron core 20 fitted and fixed in the center hole 12a of the second yoke 12 closes the opening of the bottomed cylindrical body 16. The movable shaft 21 is slidably inserted into the through hole 20a provided in the fixed iron core 20. A movable iron core 23 is fixed to the lower end of the movable shaft 21 via a return spring 22. The movable iron core 23
Is slidably housed in the bottomed tubular body 16.
【００１３】前記可動軸２１の下端部に固定されている
前記可動鉄芯２３は、図２に示す形状を有している。す
なわち、前記可動鉄芯２３には、貫通孔２３ｂに連通す
る一対の溶接孔２３ｃ，２３ｄが同一軸心上に形成され
ている。前記溶接孔２３ｃ，２３ｄは異なる直径からな
る２段形状である。さらに、前記溶接孔２３ｃ，２３ｄ
の間に位置し、かつ、前記貫通孔２３ｂに連通する仮止
め用ネジ孔２３ｅが形成されている。前記溶接孔２３
ｃ，２３ｄの最小直径は、レーザ溶接を確実に行うた
め、可動軸２１の直径よりも小さいことが好ましい。そ
して、前記貫通孔２３ｂに可動軸２１の下端部を挿入し
て位置決めした後、仮止め用ネジ孔２３ｅに螺合したボ
ルト（図示せず）で仮止めし、ついで、前記溶接孔２３
ｃ，２３ｄからレーザを照射して溶接一体化する。な
お、前記溶接孔２３ｃ，２３ｄは単なるテーパ面であっ
てもよい。また、前記貫通孔２３ｂから突出する可動軸
２１の下端部を可動鉄芯２３に溶接一体化してもよい。The movable iron core 23 fixed to the lower end of the movable shaft 21 has a shape shown in FIG. That is, the movable iron core 23 is formed with a pair of welding holes 23c and 23d communicating with the through hole 23b on the same axis. The welding holes 23c and 23d have a two-step shape having different diameters. Further, the welding holes 23c, 23d
And a screw hole 23e for temporary fixing, which is located between the two and communicates with the through hole 23b. The welding hole 23
The minimum diameter of c and 23d is preferably smaller than the diameter of the movable shaft 21 in order to ensure laser welding. After the lower end of the movable shaft 21 is inserted into the through hole 23b and positioned, it is temporarily fixed with a bolt (not shown) screwed into the temporary fixing screw hole 23e, and then the welding hole 23
Laser is irradiated from c and 23d to integrate them by welding. The welding holes 23c and 23d may be simply tapered surfaces. Further, the lower end of the movable shaft 21 protruding from the through hole 23b may be integrally welded to the movable iron core 23.
【００１４】一方、前記可動軸２１の上端部には可動接
触子２４が配置され、接点機構部３０を構成している。
前記可動接触子２４は、可動軸２１の中間部に係止した
座金２６ａと、可動軸２１の上端部にカシメ固定した座
金２６ｂとの間に配置され、接圧バネ２７によって上方
に付勢されている。さらに、前記可動接触子２４の上面
の両端部には可動接点２８，２９がそれぞれ設けられて
いる。On the other hand, a movable contact 24 is arranged at the upper end of the movable shaft 21 to form a contact mechanism section 30.
The movable contact 24 is arranged between a washer 26a locked to the intermediate portion of the movable shaft 21 and a washer 26b fixed by caulking to the upper end of the movable shaft 21, and is urged upward by a contact pressure spring 27. ing. Further, movable contacts 28 and 29 are provided on both ends of the upper surface of the movable contact 24, respectively.
【００１５】前記第２ヨーク１２の上面縁部には、プレ
ス加工によって成形された接続部材３１が溶接一体化さ
れている。すなわち、図３ないし図５に示すように、方
形の板状磁性材からなる第２ヨーク１２の中央部には中
心孔１２ａが形成され、その隅部にはガス抜き孔１２ｂ
が形成されている。さらに、前記ガス抜き孔１２ｂの上
方開口縁部には座ぐり穴１２ｃが設けられている。した
がって、前記第２ヨーク１２のガス抜き孔１２ｂにガス
抜きパイプ３７を挿入して所定の位置で溶接一体化する
とともに、前記第２ヨークの上面縁部に接続部材３１を
溶接一体化しても、座ぐり穴１２が接続部材３１で完全
に被覆されていないので、脱気，ガス注入作業に支障は
生じない。A connecting member 31 formed by press working is integrally welded to the upper edge of the second yoke 12. That is, as shown in FIGS. 3 to 5, a center hole 12a is formed in the center of the second yoke 12 made of a rectangular plate-shaped magnetic material, and a gas vent hole 12b is formed in the corner thereof.
Are formed. Further, a counterbore 12c is provided at the upper opening edge of the gas vent 12b. Therefore, even if the gas vent pipe 37 is inserted into the gas vent hole 12b of the second yoke 12 to be welded and integrated at a predetermined position, and the connection member 31 is welded and integrated to the upper edge of the second yoke, Since the spot facing hole 12 is not completely covered with the connecting member 31, no trouble occurs in degassing and gas injection work.
【００１６】さらに、前記接続部材３１の上方開口縁部
にはセラミック等の耐熱性材料からなる箱形状の封止容
器３２がロウ付けで一体化されている。前記封止容器３
２の天井面には２個の貫通孔３２ａ，３２ｂが設けら
れ、前記貫通孔３２ａ，３２ｂには円筒状接続材を介し
て多段有底円筒形状の固定接点端子３３，３４がそれぞ
れ気密接合されている。前記固定接点端子３３，３４の
開口側の内周面には雌ネジ３３ａ，３４ａがそれぞれ設
けられている一方、その底側端面には固定接点３５，３
６がそれぞれ固着されている。Further, a box-shaped sealing container 32 made of a heat-resistant material such as ceramic is integrally brazed to the upper opening edge of the connecting member 31. The sealed container 3
Two through-holes 32a and 32b are provided on the ceiling surface of No. 2, and fixed contact terminals 33 and 34 having a multistage bottomed cylindrical shape are airtightly joined to the through-holes 32a and 32b through a cylindrical connecting member, respectively. ing. Female screws 33a and 34a are provided on the inner peripheral surfaces of the fixed contact terminals 33 and 34 on the opening side, respectively, while the fixed contacts 35 and 3 are provided on the bottom end surfaces thereof.
6 are fixed to each.
【００１７】したがって、有底筒体１６、第２ヨーク１
２、接続部材３１、封止容器３２、および、固定接点端
子３３，３４を介して密封空間が形成されている。Therefore, the bottomed cylindrical body 16 and the second yoke 1
2, a sealed space is formed via the connection member 31, the sealed container 32, and the fixed contact terminals 33 and 34.
【００１８】次に、前述の構成からなる封止接点装置の
動作について説明する。まず、コイル１３に電圧が印加
されていない場合には、復帰バネ２２のバネ力で可動鉄
芯２３が下方側に付勢され、可動軸２１が下方側に押し
下げられている。一方、接圧バネ２７のバネ力で可動接
触子２４は上方に付勢されているが、復帰バネ２２のバ
ネ力が接圧バネ２７のバネ力よりも大きいため、可動軸
２１が下方側に押し下げられている。このため、可動接
触子２４が下方側に引き下げられ、可動接点２８，２９
が固定接点からそれぞれ開離している。Next, the operation of the sealed contact device having the above construction will be described. First, when no voltage is applied to the coil 13, the movable iron core 23 is urged downward by the spring force of the return spring 22, and the movable shaft 21 is pushed downward. On the other hand, the movable contact 24 is urged upward by the spring force of the contact pressure spring 27, but since the spring force of the return spring 22 is larger than the spring force of the contact pressure spring 27, the movable shaft 21 moves downward. It has been pushed down. Therefore, the movable contact 24 is pulled down, and the movable contacts 28, 29
Are separated from the fixed contacts.
【００１９】ついで、前記コイル１３に電圧を印加して
励磁すると、固定鉄芯２０に可動鉄芯２３が吸引され、
可動軸２１が復帰バネ２２のバネ力に抗して上方にスラ
イドする。そして、可動接点２８，２９が固定接点３
５，３６に接触した後も、接圧バネ２７のバネ力に抗し
て可動軸２１が押し上げられ、可動軸２１の上端部が可
動接触子２４から突出し、可動鉄芯２３が固定鉄心２０
に吸着される。Next, when a voltage is applied to the coil 13 to excite it, the movable iron core 23 is attracted to the fixed iron core 20,
The movable shaft 21 slides upward against the spring force of the return spring 22. The movable contacts 28 and 29 are fixed contacts 3
Even after contacting with 5, 36, the movable shaft 21 is pushed up against the spring force of the contact pressure spring 27, the upper end of the movable shaft 21 projects from the movable contact 24, and the movable iron core 23 fixes the fixed iron core 20.
Is adsorbed on.
【００２０】そして、前記コイル１３の励磁を解くと、
接圧バネ２７のバネ力よりも大きい復帰バネ２２のバネ
力に基づき、可動鉄芯２３が固定鉄芯２０から離れる。
このため、可動軸２１が下方側にスライド移動し、可動
接点２８，２９が固定接点３５，３６から開離した後、
可動鉄芯２３が薄板１８を介して衝撃吸収板１７に当接
する。When the excitation of the coil 13 is released,
The movable iron core 23 separates from the fixed iron core 20 based on the spring force of the return spring 22 which is larger than the spring force of the contact pressure spring 27.
Therefore, after the movable shaft 21 slides downward and the movable contacts 28 and 29 are separated from the fixed contacts 35 and 36,
The movable iron core 23 contacts the shock absorbing plate 17 via the thin plate 18.
【００２１】第２実施形態は、図６および図７に示すよ
うに、前述の第１実施形態とほぼ同様であり、異なる点
は、ガス抜きパイプ３７の上端縁部に切り欠き部３７ａ
を形成した点であるるAs shown in FIGS. 6 and 7, the second embodiment is substantially the same as the first embodiment described above, except that the notch 37a is formed at the upper edge of the gas vent pipe 37.
Is the point that formed
【００２２】本実施形態によれば、図７Ｂに示すよう
に、ガス抜きパイプ３７を接続部材３１の天井面に突き
当てて組み付けても、前記切り欠き部３７ａおよび座ぐ
り穴１２ｃを介して脱気作業ができる。このため、ガス
抜きパイプ３７の位置決め作業が容易になるという利点
がある。他は前述の実施形態と同様であるので、説明を
省略する。According to the present embodiment, as shown in FIG. 7B, even when the gas vent pipe 37 is mounted by abutting against the ceiling surface of the connecting member 31, it is detached via the notch 37a and the counterbore 12c. You can work hard. Therefore, there is an advantage that the positioning work of the gas vent pipe 37 becomes easy. Others are the same as those in the above-described embodiment, and thus the description will be omitted.
【００２３】第３実施形態は、図８および図９に示すよ
うに、接続部材３１のガス抜き孔１２ｂに対応する部分
に膨出部３１ａを形成した場合である。他は前述の実施
形態とほぼ同様であるので、説明を省略する。In the third embodiment, as shown in FIGS. 8 and 9, a bulging portion 31a is formed in a portion of the connecting member 31 corresponding to the gas vent hole 12b. Others are almost the same as those in the above-described embodiment, and thus the description thereof will be omitted.
【００２４】本実施形態よれば、ガス抜きパイプ３７の
上端面と第２ヨーク１２の上面とを面一とするだけで、
ガス抜き路を確保できるので、ガス抜きパイプ３７の組
み付け作業が容易になるという利点がある。According to this embodiment, the upper end surface of the gas vent pipe 37 and the upper surface of the second yoke 12 are flush with each other,
Since the gas vent passage can be secured, there is an advantage that the assembling work of the gas vent pipe 37 becomes easy.
【００２５】[0025]
【発明の効果】本発明によれば、ガス抜き孔の上方開口
縁部に座ぐり穴を設けてあるので、接続部材でガス抜き
孔が被覆されても、内部空間の脱気および不活性ガスの
注入を行うことができる。このため、ガス抜き孔の位置
を任意に選定でき、設計の自由度が広がるという効果が
ある。According to the present invention, since the counterbore hole is provided at the upper opening edge of the gas vent hole, even if the gas vent hole is covered with the connecting member, degassing of the internal space and inert gas Injection can be performed. Therefore, the position of the gas vent hole can be arbitrarily selected, and there is an effect that the degree of freedom in design is expanded.
【図１】 本発明にかかる封止接点装置の第１実施形態
を示し、図Ａは正面図、図Ｂは縦断面図である。1 shows a first embodiment of a sealed contact device according to the present invention, FIG. A is a front view, and FIG. B is a vertical cross-sectional view.
【図２】 図１で示した可動鉄芯を示し、図Ａは斜視
図、図Ｂは縦断面図、図Ｃは異なる角度で切断した場合
の縦断面図である。2 shows the movable iron core shown in FIG. 1, FIG. A is a perspective view, FIG. B is a longitudinal sectional view, and FIG. C is a longitudinal sectional view when cut at different angles.
【図３】 図１で示した接点機構部を示し、図Ａは外観
斜視図、図Ｂは第２ヨークに接続部材を取り付けた状態
を示す外観斜視図である。FIG. 3 shows the contact mechanism portion shown in FIG. 1, FIG. A is an external perspective view, and FIG. B is an external perspective view showing a state in which a connecting member is attached to the second yoke.
【図４】 図３で示した第２ヨーク、接続部材、およ
び、ガス抜きパイプを分解して示す分解斜視図である。FIG. 4 is an exploded perspective view showing the second yoke, the connecting member, and the degassing pipe shown in FIG. 3 in an exploded manner.
【図５】 図３Ｂで示した第２ヨークおよび接続部材を
示し、図Ａは平面図、図Ｂは図ＡのＢ−Ｂ線断面図であ
る。5 shows the second yoke and the connecting member shown in FIG. 3B, FIG. A is a plan view, and FIG. B is a sectional view taken along line BB of FIG.
【図６】 本発明にかかる第２実施形態を示す第２ヨー
ク、接続部材、および、ガス抜きパイプを分解して示す
分解斜視図である。FIG. 6 is an exploded perspective view showing a second yoke, a connecting member, and a gas vent pipe according to a second embodiment of the present invention in an exploded manner.
【図７】 図６で示した第２ヨークおよび接続部材を示
し、図Ａは平面図、図Ｂは図ＡのＢ−Ｂ線断面図であ
る。7 shows the second yoke and the connecting member shown in FIG. 6, FIG. A is a plan view, and FIG. B is a sectional view taken along the line BB of FIG.
【図８】 本発明にかかる第３実施形態を示す第２ヨー
ク、接続部材、および、ガス抜きパイプを分解して示す
分解斜視図である。FIG. 8 is an exploded perspective view showing a second yoke, a connecting member, and a gas vent pipe according to a third embodiment of the present invention in an exploded manner.
【図９】 図８で示した第２ヨークおよび接続部材を示
し、図Ａは平面図、図Ｂは図ＡのＢ−Ｂ線断面図であ
る。9 shows the second yoke and the connecting member shown in FIG. 8, FIG. A is a plan view, and FIG. B is a sectional view taken along line BB of FIG.
【図１０】 従来例にかかる封止接点装置を示し、図Ａ
は縦断面図、図Ｂは斜視図である。FIG. 10 shows a sealed contact device according to a conventional example, and FIG.
Is a longitudinal sectional view and FIG. B is a perspective view.
１０…駆動機構部、１１…第１ヨーク、１２…第２ヨー
ク、１２ａ…中心孔、１２ｂ…ガス抜き孔、１２ｃ…座
ぐり穴、１３…コイル、１４…スプール、１５…補助ヨ
ーク、１６…有底筒体、１７…衝撃吸収板、２０…固定
鉄芯、２１…可動軸、２２…復帰バネ、２３…可動鉄
芯、２３ａ…凹部、２３ｂ…貫通孔、２３ｃ，２３ｄ…
溶接孔、２３ｅ…仮止め用ネジ孔、２４…可動接触子、
２７…接圧バネ、２８，２９…可動接点、３０…接点機
構部、３１…接続部材、３１ａ…膨出部、３２…封止容
器、３３，３４…固定接点端子、３５，３６…固定接
点、３７…ガス抜きパイプ、３７ａ…切り欠き部。DESCRIPTION OF SYMBOLS 10 ... Drive mechanism part, 11 ... 1st yoke, 12 ... 2nd yoke, 12a ... Center hole, 12b ... Gas vent hole, 12c ... Counterbore hole, 13 ... Coil, 14 ... Spool, 15 ... Auxiliary yoke, 16 ... Bottomed cylindrical body, 17 ... Impact absorbing plate, 20 ... Fixed iron core, 21 ... Movable shaft, 22 ... Return spring, 23 ... Movable iron core, 23a ... Recess, 23b ... Through hole, 23c, 23d ...
Welding hole, 23e ... screw hole for temporary fixing, 24 ... movable contact,
27 ... Pressure contact spring, 28, 29 ... Movable contact, 30 ... Contact mechanism part, 31 ... Connection member, 31a ... Swelling part, 32 ... Sealing container, 33, 34 ... Fixed contact terminal, 35, 36 ... Fixed contact , 37 ... Degassing pipe, 37a ... Notch.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 吉岡 秀和 京都府京都市下京区塩小路通堀川東入南不 動堂町801番地 オムロン株式会社内 (72)発明者 今谷 浩史 京都府京都市下京区塩小路通堀川東入南不 動堂町801番地 オムロン株式会社内 (72)発明者 馬杉 浩二 京都府京都市下京区塩小路通堀川東入南不 動堂町801番地 オムロン株式会社内 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Hidekazu Yoshioka Shiokyo-ku, Kyoto-shi, Kyoto Prefecture 801 Kudo-cho Omron Co., Ltd. (72) Inventor Hiroshi Imaya Shiokyo-ku, Kyoto-shi, Kyoto Prefecture 801 Kudo-cho Omron Co., Ltd. (72) Inventor Koji Masugi Shiokyo-ku, Kyoto-shi, Kyoto Prefecture 801 Kudo-cho Omron Co., Ltd.
Claims (4)
接続部材の上方開口部に箱形状の封止容器を接続一体化
して密封した内部空間に接続機構部を組み込むととも
に、前記板状磁性材の縁部近傍に設けたガス抜き孔にガ
ス抜きパイプを下方側から接続する封止接点装置におい
て、 前記ガス抜き孔の上方開口縁部に、前記内部空間に連通
する座ぐり穴を設けたことを特徴とする封止接点装置。1. A connection mechanism part is incorporated in an internal space where a box-shaped sealing container is integrally connected and sealed at an upper opening of a connection member integrally welded to an upper edge portion of a plate-shaped magnetic material, and the plate is provided. In a sealed contact device in which a gas vent pipe is connected to a gas vent hole provided in the vicinity of an edge portion of a magnetic material from below, a counterbore hole communicating with the internal space is provided at an upper opening edge portion of the gas vent hole. A sealed contact device characterized by being provided.
を設けたことを特徴とする請求項１に記載の封止接点装
置。2. The sealed contact device according to claim 1, wherein a gas vent hole is provided at a corner of the substantially rectangular plate-shaped magnetic material.
略同一深さの切り欠き部を設けたことを特徴とする請求
項１または２に記載の封止接点装置。3. The sealed contact device according to claim 1, wherein a cutout portion having substantially the same depth as the counterbore hole is provided on the upper end surface of the gas vent pipe.
接続部材の上方開口部に箱形状の封止容器を接続一体化
して密封した内部空間に接続機構部を組み込むととも
に、前記板状磁性材の縁部近傍に設けたガス抜き孔にガ
ス抜きパイプを下方側から接続する封止接点装置におい
て、 接続部材のガス抜き孔の上方に位置する部分に、前記内
部空間に連通する膨出部を形成したことを特徴とする封
止接点装置。4. A connection mechanism part is incorporated into an internal space where a box-shaped sealing container is integrally connected and sealed to an upper opening of a connecting member integrally welded to an upper edge of a plate-shaped magnetic material, and the plate is provided. In a sealed contact device in which a gas vent pipe is connected from below to a gas vent hole provided in the vicinity of an edge of a magnetic material, a portion of the connecting member located above the gas vent hole is expanded to communicate with the internal space. A sealed contact device having a protruding portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001289035A JP4078820B2 (en) | 2001-09-21 | 2001-09-21 | Sealed contact device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001289035A JP4078820B2 (en) | 2001-09-21 | 2001-09-21 | Sealed contact device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003100189A true JP2003100189A (en) | 2003-04-04 |
| JP4078820B2 JP4078820B2 (en) | 2008-04-23 |
Family
ID=19111590
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001289035A Expired - Lifetime JP4078820B2 (en) | 2001-09-21 | 2001-09-21 | Sealed contact device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4078820B2 (en) |
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| WO2005004184A1 (en) * | 2003-07-02 | 2005-01-13 | Matsushita Electric Works, Ltd. | Electromagnetic switching device |
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| WO2011115052A1 (en) * | 2010-03-15 | 2011-09-22 | オムロン株式会社 | Contact switching device |
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2001
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| WO2005004184A1 (en) * | 2003-07-02 | 2005-01-13 | Matsushita Electric Works, Ltd. | Electromagnetic switching device |
| US7157996B2 (en) | 2003-07-02 | 2007-01-02 | Matsushita Electric Works, Ltd. | Electromagnetic switching device |
| CN100345237C (en) * | 2003-07-02 | 2007-10-24 | 松下电工株式会社 | Electromagnetic switching device |
| FR2883408A1 (en) * | 2005-03-15 | 2006-09-22 | Denso Corp | Electromechanical switch for starter of internal combustion engine of motor vehicle, has core striking plate made up of non-magnetic material and remaining on plate when core is pushed to its initial position by stressing force of spring |
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