JPH07192595A - Contact device - Google Patents
Contact deviceInfo
- Publication number
- JPH07192595A JPH07192595A JP33401793A JP33401793A JPH07192595A JP H07192595 A JPH07192595 A JP H07192595A JP 33401793 A JP33401793 A JP 33401793A JP 33401793 A JP33401793 A JP 33401793A JP H07192595 A JPH07192595 A JP H07192595A
- Authority
- JP
- Japan
- Prior art keywords
- contact
- fixed
- movable
- movable contact
- fixed contact
- 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.)
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Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、スイッチや電磁リレー
等に使用される接点装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a contact device used in switches, electromagnetic relays and the like.
【０００２】[0002]
【従来の技術】従来、この種の接点装置として、図１３
及び図１４に示す構成のものが存在する。このものは、
固定接点１を設けた固定接点板２と、固定接点１に接離
する可動接点３を設けた可動接点板４と、で構成され、
耐溶着性能の良好な一方接点対１０ａと、その一方接点
対１０ａと並列接続関係にあり接点閉成動作時には一方
接点対１０ａよりも後に接触する接触抵抗性能の良好な
他方接点対１０ｂと、電磁石装置と、を備えたリレー１
０において、その一方接点対１０ａとして使用されたも
のである。2. Description of the Related Art Conventionally, as a contact device of this type, FIG.
And the configuration shown in FIG. 14 exists. This one is
A fixed contact plate 2 provided with a fixed contact 1 and a movable contact plate 4 provided with a movable contact 3 that contacts and separates from the fixed contact 1.
One pair of contacts 10a having good welding resistance, another pair of contacts 10b having parallel contact relationship with the pair of contacts 10a and contacting after the pair of contacts 10a at the time of contact closing operation and having good contact resistance, and an electromagnet. Device and relay 1 including
No. 0, one of the contact pairs 10a was used.
【０００３】そして、可動接点板４は、駆動部材５が接
点当接方向に駆動すると、それ自体のばね力によって変
位することにより、それに設けられた可動接点３が固定
接点板２に設けられた固定接点１に当接し、駆動部材５
により逆方向に押圧駆動されると、可動接点３が固定接
点１から開離する。When the drive member 5 is driven in the contact abutting direction, the movable contact plate 4 is displaced by its own spring force, so that the movable contact 3 provided on the movable contact plate 4 is provided on the fixed contact plate 2. Abutting on the fixed contact 1 and driving member 5
When it is pressed and driven in the opposite direction, the movable contact 3 is separated from the fixed contact 1.
【０００４】[0004]
【発明が解決しようとする課題】上記した従来の接点装
置にあっては、可動接点３が固定接点１に接離すること
により、両接点１，３が消耗して接点消耗粉が発生し、
その接点消耗粉が飛散して絶縁部分に侵入すると絶縁劣
化の原因になり、電磁石装置の内部に侵入すると、電磁
石装置の可動部等が摩擦を起こす原因となって、正常な
接点開閉動作を損なうこととなる。特に、一方接点対１
０ａは、タングステン系の耐溶着性能の良好な材料を用
いているので、多量の接点消耗粉が発生し、この接点消
耗粉が接触抵抗性能の良好な他方接点対１０ｂに侵入す
ると、この他方接点対１０ｂの接触信頼性が低下してし
まう。In the above-mentioned conventional contact device, when the movable contact 3 comes into contact with and separates from the fixed contact 1, both contacts 1 and 3 are consumed and contact debris is generated.
If the contact consumable powder scatters and enters the insulating part, it causes insulation deterioration.If it enters the electromagnet device, it causes friction in the moving parts of the electromagnet device and impairs normal contact opening / closing operation. It will be. In particular, one contact pair 1
Since 0a uses a tungsten-based material having a good welding resistance, a large amount of contact wear powder is generated, and when this contact wear powder enters the other contact pair 10b having a good contact resistance performance, the other contact The contact reliability of the pair 10b is reduced.
【０００５】本発明は、上記事由に鑑みてなしたもの
で、その目的とするところは、可動接点が固定接点に接
離するときに発生する接点消耗粉を飛散させない接点装
置を提供することにある。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a contact device which does not scatter contact depleting powder generated when a movable contact comes in contact with and separates from a fixed contact. is there.
【０００６】[0006]
【課題を解決するための手段】上記した課題を解決する
ために、請求項１記載のものは、固定接点を設けた固定
接点板と、固定接点に接離する可動接点を設けた可動接
点板と、でなる接点装置において、固定又は可動接点の
少なくとも一方を、断面略コ字状の対向部でもって包囲
する包囲部材が設けられた構成にしてある。In order to solve the above-mentioned problems, according to a first aspect of the present invention, a fixed contact plate having fixed contacts and a movable contact plate provided with movable contacts contacting and separating from the fixed contacts are provided. In the contact device consisting of (1) and (2), an enclosing member that encloses at least one of the fixed or movable contact with the facing portion having a substantially U-shaped cross section is provided.
【０００７】また、請求項２記載のものは、請求項１記
載のものにおいて、前記包囲部材は、絶縁材料により形
成されてなる構成にしてある。According to a second aspect of the present invention, in the first aspect, the surrounding member is formed of an insulating material.
【０００８】また、請求項３記載のものは、請求項１記
載のものにおいて、前記包囲部材は、それが包囲する接
点と一体的に設けられてなる構成にしてある。According to a third aspect of the present invention, in the first aspect, the surrounding member is integrally provided with a contact which surrounds the surrounding member.
【０００９】また、請求項４記載のものは、請求項１記
載のものにおいて、前記包囲部材は、それが包囲する接
点を保持する接点基台でもって形成されてなる構成にし
てある。According to a fourth aspect of the present invention, in the first aspect of the present invention, the surrounding member is formed by a contact base that holds a contact surrounded by the surrounding member.
【００１０】また、請求項５記載のものは、請求項２記
載のものにおいて、前記包囲部材は、固定及び可動接点
の両方を包囲して接点の接離にともなって伸縮するよう
形成されてなる構成にしてある。According to a fifth aspect of the present invention, in the second aspect, the enclosing member encloses both the fixed and movable contacts and is formed so as to expand and contract with the contact and separation of the contacts. It is configured.
【００１１】[0011]
【作用】請求項１記載のものによれば、可動接点が固定
接点に接離するときに発生する接点消耗粉は、高温で、
液状又は赤熱状態であるから、対向部でもって固定又は
可動接点の少なくとも一方を包囲する断面略コ字状の包
囲部材に衝突するとその表面に付着する。According to the first aspect of the present invention, the contact depletion powder generated when the movable contact comes in contact with and separates from the fixed contact is high in temperature.
Since it is in a liquid state or in a red-hot state, when it collides with the surrounding member having a substantially U-shaped cross section, which surrounds at least one of the fixed and movable contacts with the facing portion, it adheres to the surface thereof.
【００１２】請求項２記載のものによれば、包囲部材
は、絶縁材料により形成されているから、絶縁耐圧に影
響しないので、接点消耗粉が発生する接点接離部分に接
近して設けることができる。According to the second aspect of the present invention, since the surrounding member is made of the insulating material, it does not affect the withstand voltage. Therefore, the surrounding member should be provided close to the contacting / separating portion where the contact depleting powder is generated. it can.
【００１３】請求項３記載のものによれば、包囲部材
は、高々、接点の接離表面の中心とその縁端までの距離
しか離れていないので、接点消耗粉が発生する接点接離
部分との距離が短くなる。According to the third aspect of the present invention, since the enclosing member is separated from the center of the contacting / separating surface of the contact and the edge thereof at the most, the enclosing member is separated from the contacting / separating portion where the contact wear powder is generated. Distance becomes shorter.
【００１４】請求項４記載のものによれば、包囲部材
は、接点よりも比較的安価な接点基台でもって形成され
ているからコストダウンになる。According to the fourth aspect of the present invention, since the surrounding member is formed by the contact base which is relatively cheaper than the contact, the cost can be reduced.
【００１５】請求項５記載のものによれば、包囲部材
は、それが包囲する接点の接離にともなって伸縮して、
接点開成状態のときも固定及び可動接点を包囲する。According to the fifth aspect of the present invention, the surrounding member expands and contracts with the contact and separation of the contacts surrounded by the surrounding member,
The fixed and movable contacts are surrounded even when the contacts are open.
【００１６】[0016]
【実施例】本発明の第１実施例を図１及び図２に基づい
て以下に説明する。なお、従来例と実質的に同一の機能
を有する部材には同一の符号を付してある。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. Members having substantially the same functions as those of the conventional example are designated by the same reference numerals.
【００１７】この接点装置は、固定接点１、固定接点板
２、可動接点３、可動接点板４、包囲部材５、接点基台
６で構成され、耐溶着性能の良好な一方接点対１０ａ
と、その一方接点対１０ａと並列接続関係にあり接点閉
成動作時には一方接点対１０ａよりも後に接触する接触
抵抗性能の良好な他方接点対１０ｂと、電磁石装置と、
を備えたリレー１０において、その一方接点対１０ａと
して使用されたものである。This contact device is composed of a fixed contact 1, a fixed contact plate 2, a movable contact 3, a movable contact plate 4, an enclosing member 5 and a contact base 6, and one contact pair 10a having good welding resistance.
And the other contact pair 10b, which has a parallel connection relationship with the one contact pair 10a and contacts later than the one contact pair 10a at the time of contact closing operation, and which has good contact resistance performance, and an electromagnet device,
It is used as the one contact point pair 10a in the relay 10 provided with.
【００１８】固定接点１は、タングステン系の耐溶着性
の良好な金属材料により、略ボタン状に形成され、接点
基台６を介して固定接点板２の先端に固着されている。The fixed contact 1 is made of a tungsten-based metal material having good welding resistance and formed into a substantially button shape, and is fixed to the tip of the fixed contact plate 2 via the contact base 6.
【００１９】固定接点板２は、銅合金等の導電板によ
り、全体の形状を大略コ字状に折曲して形成されてい
る。そして、固定接点１を固着した部分に包囲部材５が
形成されている。すなわち、包囲部材５は、固定接点１
を固着した固着部５ａの両端を板幅方向に延設して後、
接点接離方向の固定接点１側へ直角に折曲して、対向部
５ｂ，５ｂを形成し、その対向部５ｂ，５ｂ及び固着部
５ａでもって断面略コ字状に形成されている。The fixed contact plate 2 is formed of a conductive plate of copper alloy or the like by bending the entire shape into a generally U-shape. The surrounding member 5 is formed in the portion to which the fixed contact 1 is fixed. That is, the surrounding member 5 is the fixed contact 1
After extending both ends of the fixing portion 5a to which is fixed in the plate width direction,
It is bent at a right angle toward the fixed contact 1 side in the contacting / separating direction to form facing portions 5b, 5b, and the facing portions 5b, 5b and the fixed portion 5a are formed in a substantially U-shaped cross section.
【００２０】可動接点３は、固定接点１と同様にタング
ステン系の耐溶着性の良好な金属材料により、略ボタン
状に形成され、接点基台６を介して可動接点板４の中央
よりやや先端よりに固着されている。Like the fixed contact 1, the movable contact 3 is made of a tungsten-based metal material having good welding resistance, and is formed in a substantially button shape. The movable contact 3 is slightly pointed from the center of the movable contact plate 4 via the contact base 6. Is stuck to more.
【００２１】可動接点板４は、銅合金等のばね性を有し
た薄い導電板により、長尺状に形成されている。The movable contact plate 4 is formed in a long shape by a thin conductive plate having a spring property such as a copper alloy.
【００２２】接点基台６は、銅合金等の導電性材料によ
り、太軸部分及び細軸部分で断面略Ｔ字状に形成され、
その太軸部分の先端には固定接点１又は可動接点３がろ
う付け等で固着され，その細軸部分が固定接点板２又は
可動接点板４にかしめ等で固着されている。The contact base 6 is made of a conductive material such as a copper alloy and has a thick shaft portion and a thin shaft portion formed into a substantially T-shaped cross section.
The fixed contact 1 or the movable contact 3 is fixed to the tip of the thick shaft portion by brazing or the like, and the thin shaft portion is fixed to the fixed contact plate 2 or the movable contact plate 4 by caulking or the like.
【００２３】次にこのものの動作について説明する。リ
レー１０の電磁石装置の駆動部材１０ｃが鉄芯に吸引さ
れて動作すると、リレー１０の一方接点対１０ａとして
使用されたこの接点装置は、その可動接点板４が、リレ
ー１０の駆動部材１０ｃに駆動されて、その可動接点３
が固定接点板２に設けられた固定接点１に当接し、続い
て他方接点対１０ｂが接触する。このとき、タングステ
ン系の耐溶着性の良好な金属材料により形成された一方
接点対１０ａは接点消耗粉が多く発生するが、その接点
消耗粉は、高温で、液状又は赤熱状態であるから、固着
部５ａ及び対向部５ｂ，５ｂでもって固定接点１を包囲
する断面略コ字状の包囲部材５に衝突すると、その表面
に付着する。Next, the operation of this device will be described. When the driving member 10c of the electromagnet device of the relay 10 is attracted by the iron core to operate, the movable contact plate 4 of the contact device used as the one contact pair 10a of the relay 10 is driven by the driving member 10c of the relay 10. And its movable contact 3
Contacts the fixed contact 1 provided on the fixed contact plate 2, and then the other contact pair 10b contacts. At this time, a large amount of contact depletion powder is generated on the one-way contact pair 10a formed of a tungsten-based metal material having good welding resistance, but since the contact depletion powder is in a liquid or red-hot state at high temperature, it is fixed. When it collides with the surrounding member 5 having a substantially U-shaped cross section that surrounds the fixed contact 1 by the portion 5a and the facing portions 5b and 5b, it adheres to the surface thereof.
【００２４】また、リレー１０の電磁石装置の駆動部材
１０ｃが鉄芯に吸引される前の状態に復帰すると、他方
接点対１０ｂが先に離れてから、このものの可動接点板
４が駆動方向と逆方向へ変位して、可動接点３が固定接
点１から開離する。When the driving member 10c of the electromagnet device of the relay 10 is returned to the state before being attracted to the iron core, the other contact pair 10b is first separated, and then the movable contact plate 4 of this one is reversed from the driving direction. The movable contact 3 is separated from the fixed contact 1 by being displaced in the direction.
【００２５】かかる接点装置にあっては、上述したよう
に、可動接点３が固定接点１に当接するときに発生する
接点消耗粉は、高温で、液状又は赤熱状態であるから、
固着部５ａ及び対向部５ｂ，５ｂでもって固定接点１を
包囲する断面略コ字状の包囲部材５に衝突すると、その
表面に付着するので、可動接点３が固定接点１に接離す
るときに発生する接点消耗粉が飛散しなくなり、従っ
て、接触抵抗性能の良好な他方接点対１０ｂに接点消耗
粉が侵入しなくなって、この他方接点対１０ｂの接触信
頼性が低下することがない。また、接点消耗粉が他の絶
縁部分にも侵入しないから絶縁劣化も起こさず、電磁石
装置の内部にも侵入しないので、電磁石装置は、その可
動部等が摩擦を起こすこともなく正常に接点開閉動作す
る。In such a contact device, as described above, the contact depletion powder generated when the movable contact 3 comes into contact with the fixed contact 1 is in a liquid state or a red heat state at a high temperature.
When the movable contact 3 comes into contact with or separates from the fixed contact 1, when it collides with the surrounding member 5 having a substantially U-shaped cross section that surrounds the fixed contact 1 with the fixed portion 5a and the facing portions 5b and 5b, the movable contact 3 comes in contact with and separates from the fixed contact 1. The generated contact consumable powder does not scatter, so that the contact consumable powder does not enter the other contact pair 10b having good contact resistance performance, and the contact reliability of the other contact pair 10b does not deteriorate. In addition, since contact depletion powder does not enter other insulating parts, insulation deterioration does not occur, and it does not enter the inside of the electromagnet device. Operate.
【００２６】次に、第２実施例を図３に基づいて説明す
る。なお、第１実施例と実質的に同一の機能を有する部
材には同一の部材を付し、第１実施例と異なるところの
み記す。Next, a second embodiment will be described with reference to FIG. The members having substantially the same functions as those in the first embodiment are designated by the same members, and only the differences from the first embodiment will be described.
【００２７】第１実施例では、包囲部材５は、固定接点
板２を延設して屈曲することにより形成されているのに
対し、本実施例では、プラスチック等の絶縁部材により
断面略コ字状に形成された別部材を、固定接点１を保持
する接点基台６と供にかしめ固定された構成となってい
る。In the first embodiment, the enclosing member 5 is formed by extending and bending the fixed contact plate 2, whereas in the present embodiment, the surrounding member 5 is made of an insulating member such as plastic and has a substantially U-shaped cross section. A separate member formed in a shape is fixed to the contact base 6 holding the fixed contact 1 by caulking.
【００２８】かかる接点装置にあっては、包囲部材５
は、絶縁材料でもって形成されているから、絶縁耐圧に
影響しないので、接点消耗粉が発生する接点接離部分に
接近して設けることができ、よって、接点消耗粉が包囲
部材５に付着し易くなり、第１実施例の効果をさらに高
めることができる。また、包囲部材５及び固定接点１の
距離が短くなるので、第１実施例よりも小型化すること
ができる。In this contact device, the surrounding member 5
Since it is formed of an insulating material, it does not affect the withstand voltage, and therefore it can be provided close to the contacting / separating portion where contact expelling powder is generated. Therefore, the contact expelling powder adheres to the surrounding member 5. Therefore, the effect of the first embodiment can be further enhanced. Further, since the distance between the surrounding member 5 and the fixed contact 1 becomes short, the size can be made smaller than that of the first embodiment.
【００２９】次に、第３実施例を図４及び図５に基づい
て説明する。なお、第１実施例と実質的に同一の機能を
有する部材には同一の部材を付し、第１実施例と異なる
ところのみ記す。但し、図４及び図５では、固定接点板
２又は可動接点板４に接点基台６をかしめ等で固着する
前の状態の固定接点１及び可動接点３を示している。Next, a third embodiment will be described with reference to FIGS. 4 and 5. The members having substantially the same functions as those in the first embodiment are designated by the same members, and only the differences from the first embodiment will be described. However, FIGS. 4 and 5 show the fixed contact 1 and the movable contact 3 in a state before the contact base 6 is fixed to the fixed contact plate 2 or the movable contact plate 4 by caulking or the like.
【００３０】第１実施例では、包囲部材５は、固定接点
板２を延設して屈曲することにより形成されているのに
対し、本実施例では、固定接点１と一体的に設けられた
構成となっている。In the first embodiment, the enclosing member 5 is formed by extending and bending the fixed contact plate 2, whereas in the present embodiment, it is provided integrally with the fixed contact 1. It is composed.
【００３１】詳しくは、固定接点１は、可動接点３が接
離する接離表面の縁端を接点接離方向に突出して対向部
５ｂを形成し、その対向部５ｂと接点基台６との固着部
分とでもって、その中央部１ａを包囲する断面略コ字状
の包囲部材５となっている。More specifically, the fixed contact 1 forms an opposed portion 5b by projecting the edge of the contact / separation surface with which the movable contact 3 comes into contact and separated, in the contact contact / separation direction, and the opposed portion 5b and the contact base 6 are formed. An enclosing member 5 having a substantially U-shaped cross section surrounds the central portion 1a with the fixed portion.
【００３２】可動接点３は、その直径が固定接点１の中
央部１ａの直径よりも若干小さい略円柱状に形成されて
いる。The movable contact 3 is formed in a substantially cylindrical shape whose diameter is slightly smaller than the diameter of the central portion 1a of the fixed contact 1.
【００３３】かかる接点装置にあっては、包囲部材５
は、固定接点１と一体的に設けられているから、包囲部
材５は、高々、固定接点１の中央部１ａの半径分しか離
れていないので、接点消耗粉が発生する接点接離部分と
の距離が短くなって、接点消耗粉が包囲部材５に付着し
易くなり、第１実施例のように包囲部材５を設けるため
に他の部材を用いずに、第１実施例の効果をさらに高め
ることができる。また、固定接点１の中央部１ａが消耗
するにつれて、包囲部材５の中央部１ａからの高さが高
くなるので、中央部１ａが消耗するほど接点消耗粉を包
囲部材５に付着させる効果を高めることができる。In this contact device, the surrounding member 5
Is provided integrally with the fixed contact 1, the enclosing member 5 is separated from the fixed contact 1 only by the radius of the central portion 1a of the fixed contact 1 at most, so that the contact contact / separation portion where contact depletion powder is generated The distance becomes short, and the contact consumable powder easily adheres to the enclosing member 5, and the effect of the first embodiment is further enhanced without using any other member for providing the enclosing member 5 as in the first embodiment. be able to. Further, as the central portion 1a of the fixed contact 1 is consumed, the height of the surrounding member 5 from the central portion 1a increases, so that the more the central portion 1a is consumed, the more effectively the contact consumable powder adheres to the surrounding member 5. be able to.
【００３４】次に、第４実施例を図６及び図７に基づい
て説明する。なお、第３実施例と実質的に同一の機能を
有する部材には同一の部材を付し、第３実施例と異なる
ところのみ記す。Next, a fourth embodiment will be described with reference to FIGS. 6 and 7. The members having substantially the same functions as those in the third embodiment are designated by the same members, and only the differences from the third embodiment will be described.
【００３５】第３実施例では、包囲部材５は、固定接点
１と一体的に設けられているのに対し、本実施例では、
固定接点１及び可動接点３の接点基台６に一体的に設け
られた構成となっている。In the third embodiment, the surrounding member 5 is provided integrally with the fixed contact 1, while in the present embodiment,
The fixed contact 1 and the movable contact 3 are integrally provided on the contact base 6.
【００３６】詳しくは、固定接点１及び可動接点３は、
略ボタン状に形成されて、断面略Ｔ字状に形成された接
点基台６の太軸部分６ａの先端中央に、ろう付け等でそ
れぞれ固着されている。Specifically, the fixed contact 1 and the movable contact 3 are
The contact base 6 is formed in a substantially button shape and has a substantially T-shaped cross section, and is fixed by brazing or the like to the center of the tip of the thick shaft portion 6a of the contact base 6.
【００３７】接点基台６は、その細軸部分６ｂを固定接
点板２又は可動接点板４にかしめ固定するときに、屈曲
部材７により、その太軸部分６ａの縁端を屈曲されて対
向部５ｂを形成し、その対向部５ｂ及び屈曲されていな
い部分でもって、固定接点１又は可動接点３を包囲する
断面略コ字状の包囲部材５を形成されている。When the thin shaft portion 6b of the contact base 6 is fixed to the fixed contact plate 2 or the movable contact plate 4 by caulking, the bending member 7 bends the edge of the thick shaft portion 6a so as to face the contact portion. 5b is formed, and an enclosing member 5 having a substantially U-shaped cross section that encloses the fixed contact 1 or the movable contact 3 is formed by the facing portion 5b and the portion which is not bent.
【００３８】屈曲部材７は、その硬度が接点基台６より
も大きい材料により、その外径がその太軸部分６ｂより
も小さく、その内径がその細軸部分６ａよりも大きい環
状に形成されている。The bending member 7 is formed in a ring shape whose outer diameter is smaller than that of the thick shaft portion 6b and whose inner diameter is larger than that of the thin shaft portion 6a due to the material whose hardness is larger than that of the contact base 6. There is.
【００３９】次に、接点基台６の縁端を屈曲する手順に
ついて説明する。図６に矢示するように、接点基台６
は、その細軸部分６ｂに屈曲部材７に挿通してから、そ
の細軸部分６ｂを固定接点板２のかしめ孔２ａ又は可動
接点板４のかしめ孔４ａに挿入してかしめることによ
り、その太軸部分６ａの屈曲部材７に当接する部分が斜
めに屈曲される。Next, the procedure for bending the edge of the contact base 6 will be described. As shown in FIG. 6, the contact base 6
After inserting the bending member 7 through the thin shaft portion 6b, the thin shaft portion 6b is inserted into the caulking hole 2a of the fixed contact plate 2 or the caulking hole 4a of the movable contact plate 4 to caulk the The portion of the thick shaft portion 6a that comes into contact with the bending member 7 is bent obliquely.
【００４０】かかる接点装置にあっては、包囲部材５
は、固定又は可動接点１，３よりも比較的安価な接点基
台５でもって形成されているからコストダウンになり、
第３実施例と同様の効果を安価に得ることができる。In this contact device, the surrounding member 5
Is formed by the contact base 5 which is relatively cheaper than the fixed or movable contacts 1 and 3, so that the cost can be reduced.
The same effect as the third embodiment can be obtained at low cost.
【００４１】また、包囲部材５は、その対向部５ｂが斜
めに屈曲されて、接点接離方向の先端が開いているの
で、可動接点３が固定接点１に接離するのを遮ることが
なく、よって、固定及び可動接点１，３の両方に設ける
ことができる。Since the facing portion 5b of the enclosing member 5 is bent obliquely and the tip end in the contact contact / separation direction is open, the movable contact 3 does not block contact / separation with the fixed contact 1. Therefore, both fixed and movable contacts 1 and 3 can be provided.
【００４２】なお、本実施例では、接点基台６は、固定
又は可動接点板１，３にかしめ固定して屈曲することに
より断面略コ字状の対向部５ｂとなるが、屈曲されて断
面略コ字状の対向部５ｂとなっている接点基台６を予め
準備することができるときは、予め屈曲された接点基台
６を用いてもよく、そのときは、屈曲部材７が不要とな
る。In the present embodiment, the contact base 6 is fixed or swaged to the movable contact plates 1 and 3 and bent to form the facing portion 5b having a substantially U-shaped cross section. When the contact base 6 that is the substantially U-shaped facing portion 5b can be prepared in advance, the contact base 6 that is bent in advance may be used, and in that case, the bending member 7 is unnecessary. Become.
【００４３】次に、第５実施例を図８及び図９に基づい
て説明する。なお、第４実施例と実質的に同一の機能を
有する部材には同一の部材を付し、第４実施例と異なる
ところのみ記す。但し、図８及び図９では、固定接点板
２又は可動接点板４に接点基台６をかしめ等で固着する
前の状態の固定接点１及び可動接点３を記している。Next, a fifth embodiment will be described with reference to FIGS. 8 and 9. The members having substantially the same functions as those in the fourth embodiment are designated by the same members, and only different points from the fourth embodiment will be described. However, FIGS. 8 and 9 show the fixed contact 1 and the movable contact 3 in a state before the contact base 6 is fixed to the fixed contact plate 2 or the movable contact plate 4 by caulking or the like.
【００４４】第４実施例では、包囲部材５は、その対向
部５ｂの先端が開いているのに対し、本実施例では、そ
の対向部５ｂの先端が開いていない構成となっている。In the fourth embodiment, the enclosing member 5 has a structure in which the tip of the facing portion 5b is open, whereas in this embodiment, the tip of the facing portion 5b is not open.
【００４５】詳しくは、固定接点１の接点基台６は、そ
の太軸部分６ａの縁端を接点接離方向に突出して対向部
５ｂを形成し、その対向部５ｂとその中央部とでもっ
て、固定接点１をを包囲する断面略コ字状の包囲部材５
となっている。More specifically, the contact base 6 of the fixed contact 1 forms an opposed portion 5b by projecting the edge of the thick shaft portion 6a in the contact contact / separation direction, and forms the opposed portion 5b and the central portion thereof. , A surrounding member 5 having a substantially U-shaped cross-section that surrounds the fixed contact 1.
Has become.
【００４６】可動接点１の接点基台６は、その太軸部分
６ａの直径が可動接点３の直径と同一で、その太軸部分
６ａの軸方向先端に可動接点３をろう付け等で固着して
いる。In the contact base 6 of the movable contact 1, the diameter of the thick shaft portion 6a is the same as the diameter of the movable contact 3, and the movable contact 3 is fixed to the tip of the thick shaft portion 6a in the axial direction by brazing or the like. ing.
【００４７】かかる接点装置にあっては、包囲部材５
は、その先端が開いていないので、接点消耗粉が発生す
る接点接離部分との距離が短くなり、第４実施例よりも
さらに接点消耗粉が包囲部材５に付着し易くなる。In this contact device, the surrounding member 5
Since the tip thereof is not open, the distance to the contact point contact / separation portion where the contact consumable powder is generated becomes shorter, and the contact consumable powder is more likely to adhere to the surrounding member 5 than in the fourth embodiment.
【００４８】なお、本実施例の変形例として、図１０に
示すように、中央部の直径が固定接点１の直径と同一に
してもよく、このときは、包囲部材５に固定接点１が内
接して密着することとなるので、固定接点１が接点接離
に伴うアーク熱により割れることがあっても、固定接点
１が接点基台６から脱落しにくくなる。As a modified example of this embodiment, as shown in FIG. 10, the diameter of the central portion may be the same as the diameter of the fixed contact 1, and in this case, the fixed contact 1 is inside the enclosing member 5. Since the fixed contacts 1 are brought into contact with and in close contact with each other, even if the fixed contacts 1 are cracked by the arc heat generated when the contacts are separated from each other, the fixed contacts 1 are less likely to drop from the contact base 6.
【００４９】次に、第６実施例を図１１及び図１２に基
づいて説明する。なお、第２実施例と実質的に同一の機
能を有する部材には同一の部材を付し、第２実施例と異
なるところのみ記す。Next, a sixth embodiment will be described with reference to FIGS. 11 and 12. The members having substantially the same functions as those in the second embodiment are designated by the same members, and only different points from the second embodiment will be described.
【００５０】第２実施例では、包囲部材５は、断面略コ
字状に形成された絶縁材料であるのに対し、本実施例で
は、図１２に矢示するように、固定及び可動接点１，３
の両方を包囲して接点の接離にともなって伸縮するよう
形成された絶縁シートで構成されている。In the second embodiment, the enclosing member 5 is an insulating material formed in a substantially U-shaped cross section, whereas in the present embodiment, as shown by the arrow in FIG. , 3
It is composed of an insulating sheet that surrounds both of them and expands and contracts as the contacts come in and out.
【００５１】詳しくは、包囲部材５は、ゴム又は樹脂製
の伸縮自在な絶縁シートにより蛇腹状に形成され、その
接点接離方向の長さが、固定接点１及び可動接点３が開
離したときの接点間の距離よりも長く、その可動接点３
方向の基端が固定接点１の接点基台６と供に固定接点板
２にかしめ固着され、その先端が可動接点３近傍の可動
接点板４に接着等により固着されている。More specifically, the enclosing member 5 is formed into a bellows shape by a stretchable insulating sheet made of rubber or resin, and the length in the contact contact / separation direction when the fixed contact 1 and the movable contact 3 are separated. Longer than the distance between the contacts of the movable contact 3
The base end in the direction is caulked and fixed to the fixed contact plate 2 together with the contact base 6 of the fixed contact 1, and the tip is fixed to the movable contact plate 4 near the movable contact 3 by adhesion or the like.
【００５２】かかる接点装置にあっては、包囲部材５
は、可動接点３が固定接点１に接離するのにともなって
伸縮して、接点開成状態のときも固定及び可動接点１，
３を包囲するので、接点の接離状態に関わらずに常時、
接点消耗粉を包囲部材５に付着させることができ、接点
消耗粉の飛散を防止する効果をさらに高めることができ
る。In this contact device, the surrounding member 5
Expands and contracts as the movable contact 3 approaches and separates from the fixed contact 1, and the fixed and movable contacts 1, 2
Since 3 is surrounded, it is always
The contact consumable powder can be attached to the surrounding member 5, and the effect of preventing the contact consumable powder from scattering can be further enhanced.
【００５３】なお、第１乃至第３実施例及び第５実施例
では、包囲部材５は、接点接離のときに可動しない固定
接点１を包囲するものであるが、それが比較的軽くなる
よう設計されていて、可動接点板４が変位するのを妨げ
ないときは、可動接点板４と供に変位する可動接点３を
包囲するものでもよく、そのときは設計の自由度が大き
くなる。In the first to third embodiments and the fifth embodiment, the enclosing member 5 encloses the fixed contact 1 which does not move when the contact is brought into contact with or separated from the enclosing member 5, but it is relatively light. If the movable contact plate 4 is designed so as not to prevent the movable contact plate 4 from displacing, the movable contact plate 4 and the movable contact 3 which is displaced together may be surrounded, and in that case, the degree of freedom in design is increased.
【００５４】また、第６実施例では、包囲部材５は、固
定接点１の接点基台６と供に比較的厚くて撓みにくい固
定接点板２にかしめ固着されているが、可動接点板４が
撓みにくいならば可動接点板４にかしめ固着してもよ
く、そのときは設計の自由度が大きくなる。Further, in the sixth embodiment, the enclosing member 5 is caulked and fixed to the fixed contact plate 2 which is relatively thick and hard to bend together with the contact base 6 of the fixed contact 1, but the movable contact plate 4 is fixed. If it is difficult to bend, it may be fixed to the movable contact plate 4 by caulking, and in that case, the degree of freedom in design is increased.
【００５５】また、第１乃至第６実施例では、包囲部材
５は、リレー１０の一方接点対１０ａにのみ設けられて
いるが、組み立て工程の増加が許されるならば他方接点
対１０ｂにも設けてよく、そのときは他方接点対１０ｂ
で発生する接点消耗粉が電磁石装置の内部に侵入しなく
なって、リレー１０の接点開閉動作がより良くなる。In the first to sixth embodiments, the enclosing member 5 is provided only on the one contact pair 10a of the relay 10, but is also provided on the other contact pair 10b if an increase in the assembly process is allowed. The other contact pair 10b
The contact consumable powder generated in 1 does not enter the inside of the electromagnet device, and the contact opening / closing operation of the relay 10 is improved.
【００５６】また、第１乃至第６実施例では、包囲部材
５は、２つの接点対１０ａ，１０ｂを設けたリレー１０
に組み込まれているが、これに限らず１つの接点対のみ
設けたリレーに組み込まれてもよく、そのときは、１つ
の接点対から発生する接点消耗粉が電磁石装置の内部に
侵入しなくなって、そのリレーの接点開閉動作が良くな
る。Further, in the first to sixth embodiments, the enclosing member 5 includes the relay 10 provided with the two contact pairs 10a and 10b.
However, the contact consumable powder generated from one contact pair does not enter the inside of the electromagnet device. , The contact opening / closing operation of the relay is improved.
【００５７】また、第１乃至第６実施例では、包囲部材
５は、１つの接点対１０ａ又は１０ｂを有するいわゆる
１極のリレーに組み込まれているが、これに限らず２極
以上のリレーに組み込まれてもよく、そのときは、包囲
部材５を設ける箇所が多くなって、接点消耗粉が飛散し
なくなる効果が顕著になる。Further, in the first to sixth embodiments, the enclosing member 5 is incorporated in a so-called one-pole relay having one contact pair 10a or 10b, but the present invention is not limited to this, and a relay having two or more poles is not limited thereto. It may be incorporated, and at that time, the number of places where the surrounding member 5 is provided increases, and the effect that the contact consumable powder does not scatter becomes remarkable.
【００５８】また、第１乃至第６実施例では、包囲部材
５は、リレー１０に組み込まれているが、これに限らず
スイッチの接点対に組み込まれてもよく、そのときは、
接点対から発生する接点消耗粉がスイッチの絶縁部等に
侵入することがなくなって、そのスイッチの絶縁劣化を
防止することができる。In addition, in the first to sixth embodiments, the enclosing member 5 is incorporated in the relay 10. However, the enclosing member 5 is not limited to this and may be incorporated in the contact pair of the switch. At that time,
It is possible to prevent contact consumable powder generated from the contact pair from entering the insulating portion of the switch or the like, and prevent insulation deterioration of the switch.
【００５９】また、第１乃至第３及び第６実施例では、
固定接点１及び可動接点３は、接点基台６を介して固定
接点板２又は可動接点板４にそれぞれ固着されている
が、接点自体を固着するための加工が容易なときは接点
基台６を介する必要はなく、そのときは部品数を減らす
ことができる。Also, in the first to third and sixth embodiments,
The fixed contact 1 and the movable contact 3 are fixed to the fixed contact plate 2 or the movable contact plate 4 via the contact base 6, respectively, but when the processing for fixing the contact itself is easy, the contact base 6 There is no need to go through, and the number of parts can be reduced at that time.
【００６０】[0060]
【発明の効果】請求項１記載のものは、可動接点が固定
接点に接離するときに発生する接点消耗粉は、高温で、
液状又は赤熱状態であるから、対向部でもって固定又は
可動接点の少なくとも一方を包囲する断面略コ字状の包
囲部材に衝突するとその表面に付着するので、可動接点
が固定接点に接離するときに発生する接点消耗粉が飛散
しなくなる。According to the first aspect of the present invention, the contact depletion powder generated when the movable contact comes in contact with and separates from the fixed contact is high in temperature.
Since it is in a liquid or red-heated state, when it collides with the surrounding member having a substantially U-shaped cross section that surrounds at least one of the fixed and movable contacts with the facing portion, it adheres to the surface, so when the movable contact comes in contact with and separates from the fixed contact. The contact depletion powder generated at the end does not scatter.
【００６１】請求項２記載のものは、包囲部材は、絶縁
材料により形成されているから、絶縁耐圧に影響しない
ので、接点消耗粉が発生する接点接離部分に接近して設
けることができ、よって、接点消耗粉が包囲部材に付着
し易くなって、請求項１記載の効果をさらに高めること
ができる。According to the second aspect of the present invention, since the surrounding member is made of an insulating material, it does not affect the withstand voltage, so that the surrounding member can be provided close to the contact contact / separation portion where contact wear powder is generated. Therefore, the contact consumable powder easily adheres to the surrounding member, and the effect of claim 1 can be further enhanced.
【００６２】請求項３記載のものは、包囲部材は、高
々、接点の接離表面の中心とその縁端までの距離しか離
れていないので、接点消耗粉が発生する接点接離部分と
の距離が短くなるから、接点消耗粉が包囲部材に付着し
易くなり、請求項１記載の効果をさらに高めることがで
きる。According to the third aspect of the present invention, since the enclosing member is separated from the center of the contacting / separating surface of the contact and the edge thereof at the most, the distance from the contacting / separating portion where the contact wear powder is generated. Since the contact length becomes short, the contact consumable powder easily adheres to the surrounding member, and the effect of claim 1 can be further enhanced.
【００６３】請求項４記載のものによれば、包囲部材
は、接点よりも比較的安価な接点基台でもって形成され
ているからコストダウンになり、請求項３記載と同様の
効果を安価に得ることができる。According to the fourth aspect, since the surrounding member is formed by the contact base which is relatively cheaper than the contacts, the cost is reduced, and the same effect as that of the third aspect is reduced. Obtainable.
【００６４】請求項５記載のものは、包囲部材は、それ
が包囲する接点の接離にともなって伸縮して、接点開成
状態のときも固定及び可動接点を包囲するので、請求項
１記載の効果を常時得ることができる。According to a fifth aspect of the present invention, the enclosing member expands and contracts with the contact and separation of the enclosing contacts to enclose the fixed and movable contacts even in the contact open state. You can always get the effect.
【図１】本発明の第１実施例を示す斜視図である。FIG. 1 is a perspective view showing a first embodiment of the present invention.
【図２】同上を組み込んだリレーの断面図である。FIG. 2 is a sectional view of a relay incorporating the same as above.
【図３】本発明の第２実施例を示す斜視図である。FIG. 3 is a perspective view showing a second embodiment of the present invention.
【図４】本発明の第３実施例を示す斜視図である。FIG. 4 is a perspective view showing a third embodiment of the present invention.
【図５】図４の断面図である。5 is a cross-sectional view of FIG.
【図６】本発明の第４実施例を示す斜視図である。FIG. 6 is a perspective view showing a fourth embodiment of the present invention.
【図７】図６の断面図である。7 is a cross-sectional view of FIG.
【図８】本発明の第５実施例を示す斜視図である。FIG. 8 is a perspective view showing a fifth embodiment of the present invention.
【図９】図６の断面図である。9 is a cross-sectional view of FIG.
【図１０】同上の変形例を示す断面図である。FIG. 10 is a cross-sectional view showing a modified example of the above.
【図１１】本発明の第６実施例を示す斜視図である。FIG. 11 is a perspective view showing a sixth embodiment of the present invention.
【図１２】図１０の断面図である。12 is a cross-sectional view of FIG.
【図１３】従来例を示す斜視図である。FIG. 13 is a perspective view showing a conventional example.
【図１４】同上を組み込んだリレーの断面図である。FIG. 14 is a sectional view of a relay incorporating the same as above.
１ 固定接点 ２ 固定接点板 ３ 可動接点 ４ 可動接点板 ５ 包囲部材 ５ｂ 対向部 ６ 接点基台 1 Fixed Contact 2 Fixed Contact Plate 3 Movable Contact 4 Movable Contact Plate 5 Enclosing Member 5b Opposing Part 6 Contact Base
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【手続補正書】[Procedure amendment]
【提出日】平成６年１２月２日[Submission date] December 2, 1994
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００１８[Correction target item name] 0018
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【００１８】固定接点１は、タングステン系の耐溶着性
の良好な金属材料よりなるリベット接点であり、接点基
台６を介して固定接点板２の先端に固着されている。The fixed contact 1 is a rivet contact made of a tungsten-based metal material having good welding resistance , and is fixed to the tip of the fixed contact plate 2 via a contact base 6.
【手続補正２】[Procedure Amendment 2]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００２０[Correction target item name] 0020
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【００２０】可動接点３は、固定接点１と同様にタング
ステン系の耐溶着性の良好な金属材料よりなるリベット
接点であり、接点基台６を介して可動接点板４の中央よ
りやや先端よりに固着されている。The movable contact 3 is, like the fixed contact 1, a rivet made of a tungsten-based metal material having good welding resistance.
It is a contact point, and is fixed to the movable contact point plate 4 via the contact point base 6 from the center to a little from the tip.
【手続補正３】[Procedure 3]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００２７[Name of item to be corrected] 0027
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【００２７】第１実施例では、包囲部材５は、固定接点
板２を延設して屈曲することにより形成されているのに
対し、本実施例では、プラスチック等の絶縁部材により
断面略コ字状に形成された別部材を、固定接点１を保持
する接点基台６と共にかしめ固定された構成となってい
る。In the first embodiment, the enclosing member 5 is formed by extending and bending the fixed contact plate 2, whereas in the present embodiment, the surrounding member 5 is made of an insulating member such as plastic and has a substantially U-shaped cross section. another member formed into Jo, and has a caulking fixed configuration to co and the contact base 6 to retain the fixed contact 1.
【手続補正４】[Procedure amendment 4]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００５１[Correction target item name] 0051
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【００５１】詳しくは、包囲部材５は、ゴム又は樹脂製
の伸縮自在な絶縁シートにより蛇腹状に形成され、その
接点接離方向の長さが、固定接点１及び可動接点３が開
離したときの接点間の距離よりも長く、その可動接点３
方向の基端が固定接点１の接点基台６と共に固定接点板
２にかしめ固着され、その先端が可動接点３近傍の可動
接点板４に接着等により固着されている。More specifically, the enclosing member 5 is formed into a bellows shape by a stretchable insulating sheet made of rubber or resin, and the length in the contact contact / separation direction when the fixed contact 1 and the movable contact 3 are separated. Longer than the distance between the contacts of the movable contact 3
Direction of the base end is caulked to the fixed contact plate 2 to the contact base 6 co fixed contact 1, the tip is fixed by bonding or the like to the movable contact plate 4 of the movable contact 3 neighborhood.
【手続補正５】[Procedure Amendment 5]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００５３[Correction target item name] 0053
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【００５３】なお、第１乃至第３実施例及び第５実施例
では、包囲部材５は、接点接離のときに可動しない固定
接点１を包囲するものであるが、それが比較的軽くなる
よう設計されていて、可動接点板４が変位するのを妨げ
ないときは、可動接点板４と共に変位する可動接点３を
包囲するものでもよく、そのときは設計の自由度が大き
くなる。In the first to third embodiments and the fifth embodiment, the enclosing member 5 encloses the fixed contact 1 which does not move when the contact is brought into contact with or separated from the enclosing member 5, but it is relatively light. designed, when the movable contact plate 4 is not prevented from displacement may be one which surrounds the movable contact 3 which is displaced to the movable contact plate 4 and co, increase the degree of freedom in design time.
【手続補正６】[Procedure correction 6]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００５４[Correction target item name] 0054
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【００５４】また、第６実施例では、包囲部材５は、固
定接点１の接点基台６と共に比較的厚くて撓みにくい固
定接点板２にかしめ固着されているが、可動接点板４が
撓みにくいならば可動接点板４にかしめ固着してもよ
く、そのときは設計の自由度が大きくなる。[0054] In the sixth embodiment, the enclosing member 5 has been caulked relatively thick in less flexible stationary contact plate 2 to the contact base 6 co fixed contact 1, the movable contact plate 4 If it is difficult to bend, it may be fixed to the movable contact plate 4 by caulking, and in that case, the degree of freedom in design is increased.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 柴田 究 大阪府門真市大字門真1048番地松下電工株 式会社内 (72)発明者 川本 哲靖 大阪府門真市大字門真1048番地松下電工株 式会社内 (72)発明者 傘谷 正人 大阪府門真市大字門真1048番地松下電工株 式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Ken Shibata 1048 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works Co., Ltd. 72) Inventor Masato Kasaya, 1048, Kadoma, Kadoma-shi, Osaka Prefecture Matsushita Electric Works Co., Ltd.
Claims (5)
点に接離する可動接点を設けた可動接点板と、を備えて
なる接点装置において、 固定又は可動接点の少なくとも一方を、対向部でもって
包囲する断面略コ字状の包囲部材が設けられたことを特
徴とする接点装置。1. A contact device comprising a fixed contact plate provided with a fixed contact and a movable contact plate provided with a movable contact that comes into contact with and separates from the fixed contact. A contact device characterized in that an enclosing member having an approximately U-shaped cross section is provided for enclosing.
れてなることを特徴とする請求項１記載の接点装置。2. The contact device according to claim 1, wherein the surrounding member is made of an insulating material.
一体的に設けられてなることを特徴とする請求項１記載
の接点装置。3. The contact device according to claim 1, wherein the enclosing member is integrally provided with a contact that surrounds the enclosing member.
保持する接点基台でもって形成されてなることを特徴と
する請求項１記載の接点装置。4. The contact device according to claim 1, wherein the surrounding member is formed by a contact base that holds a contact surrounded by the surrounding member.
方を包囲して接点の接離にともなって伸縮するよう形成
されてなることを特徴とする請求項２記載の接点装置。5. The contact device according to claim 2, wherein the surrounding member surrounds both the fixed and movable contacts and is formed so as to expand and contract with the contact and separation of the contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33401793A JPH07192595A (en) | 1993-12-28 | 1993-12-28 | Contact device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33401793A JPH07192595A (en) | 1993-12-28 | 1993-12-28 | Contact device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07192595A true JPH07192595A (en) | 1995-07-28 |
Family
ID=18272573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33401793A Pending JPH07192595A (en) | 1993-12-28 | 1993-12-28 | Contact device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07192595A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016125343A1 (en) * | 2015-02-04 | 2016-08-11 | ウチヤ・サーモスタット株式会社 | Thermal protector |
-
1993
- 1993-12-28 JP JP33401793A patent/JPH07192595A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016125343A1 (en) * | 2015-02-04 | 2016-08-11 | ウチヤ・サーモスタット株式会社 | Thermal protector |
| CN107210159A (en) * | 2015-02-04 | 2017-09-26 | 打矢恒温器株式会社 | Thermal protector |
| US10510502B2 (en) | 2015-02-04 | 2019-12-17 | Uchiya Thermostat Co., Ltd. | Thermal protector |
| CN107210159B (en) * | 2015-02-04 | 2020-01-14 | 打矢恒温器株式会社 | Thermal protector |
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