JPH08185772A - Vacuum circuit breaker - Google Patents

Vacuum circuit breaker

Info

Publication number
JPH08185772A
JPH08185772A JP32697594A JP32697594A JPH08185772A JP H08185772 A JPH08185772 A JP H08185772A JP 32697594 A JP32697594 A JP 32697594A JP 32697594 A JP32697594 A JP 32697594A JP H08185772 A JPH08185772 A JP H08185772A
Authority
JP
Japan
Prior art keywords
circuit breaker
vacuum circuit
mold frame
vacuum
view
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
Application number
JP32697594A
Other languages
Japanese (ja)
Other versions
JP3346069B2 (en
Inventor
Saburo Eda
三郎 江田
Junichiro Nishitani
準一郎 西谷
Shoji Takagi
樟二 高木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP32697594A priority Critical patent/JP3346069B2/en
Publication of JPH08185772A publication Critical patent/JPH08185772A/en
Application granted granted Critical
Publication of JP3346069B2 publication Critical patent/JP3346069B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Breakers (AREA)

Abstract

PURPOSE: To improve the assembling workability of the unipolar section of a vacuum circuit breaker. CONSTITUTION: A crossbar 17 having an insulating lever 18 is three-phase integrally molded, and the coupling section 16 of a pressure rod is pinched and coupled by the insulating lever 18 section and a mold projection 19 provided in a mold frame 14 in the structure of the unipolar section of the vacuum circuit breaker. Assembling is facilitated, and the assembling time is shortened.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は、配電盤のパネル等に
組み付けて用いる真空遮断器の単極部の構成に関するも
のである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a single pole portion of a vacuum circuit breaker used by being assembled to a panel of a switchboard or the like.

【0002】[0002]

【従来の技術】従来の真空遮断器の単極部の組立構成を
図について説明する。図7は従来の遮断器の斜視図であ
り、図8は図7のV−V矢印における断面図である。図
7及び図8において、モールドフレーム1内に3個の真
空バルブ2が取付けられており、真空バルブ2の固定電
極端子5には主回路端子3が接続されて図の上方に導出
されている。真空バルブ2の可動電極端子6は図8の矢
印6A方向すなわち図8において左右方向に直線移動す
るようになっており、可撓導体部7を介して主回路端子
4に接続されている。主回路端子4も同様に図の上方に
導出されている。各3個の主回路端子3及び4は3相の
電路のR,S,T相に各々接続される。可動電極端子6
は、絶縁材料により製作された絶縁ロッド8を介して金
属製のリンク機構9に接続組み付けられている。リンク
機構9はクロスバー11に固着された金属製のレバー10に
ピン13を介して回動自在に取り付けられている。3個の
真空バルブの可動電極端子6には全て前記と同様の機構
が設けられている。
2. Description of the Related Art An assembly structure of a single pole portion of a conventional vacuum circuit breaker will be described with reference to the drawings. FIG. 7 is a perspective view of a conventional circuit breaker, and FIG. 8 is a sectional view taken along the line VV of FIG. In FIGS. 7 and 8, three vacuum valves 2 are mounted in a mold frame 1, and a main circuit terminal 3 is connected to a fixed electrode terminal 5 of the vacuum valve 2 and is led out to the upper part of the drawing. . The movable electrode terminal 6 of the vacuum valve 2 is adapted to move linearly in the direction of arrow 6A in FIG. 8, that is, in the horizontal direction in FIG. 8, and is connected to the main circuit terminal 4 via the flexible conductor portion 7. The main circuit terminal 4 is also led out in the upper part of the figure. Each of the three main circuit terminals 3 and 4 is connected to the R, S, and T phases of the three-phase electric circuit, respectively. Movable electrode terminal 6
Is connected and assembled to a metallic link mechanism 9 via an insulating rod 8 made of an insulating material. The link mechanism 9 is rotatably attached via a pin 13 to a metal lever 10 fixed to a crossbar 11. The movable electrode terminals 6 of the three vacuum valves are all provided with the same mechanism as described above.

【0003】次に従来の真空遮断器の単極部の構成につ
いて説明する。従来の真空遮断器の横断面図8において
単極ユニット(真空バルブ2、主回路端子3及び4、絶
縁ロッド8、リンク9を予め組立てたユニットのこと)
を、ボルト100, 101にてモールドフレーム1に締め付け
固着する。次に可動端子側のリンク9の穴と、レバー10
の穴をピン13にて回動自在に連結する。前述のような組
立をR,S、及びT相の3相に恒り各々繰返えして行う
ことにより従来形の真空遮断器は組立てられるように構
成されていた。
Next, the structure of the single pole portion of the conventional vacuum circuit breaker will be described. In a cross-sectional view 8 of a conventional vacuum circuit breaker, a single pole unit (a unit in which a vacuum valve 2, main circuit terminals 3 and 4, an insulating rod 8 and a link 9 are preassembled)
Are fastened and fixed to the mold frame 1 with bolts 100 and 101. Next, the hole of the link 9 on the movable terminal side and the lever 10
The hole is connected by a pin 13 so as to be rotatable. The conventional vacuum circuit breaker is constructed by repeating the above-described assembly for each of the three phases of R, S, and T.

【0004】[0004]

【発明が解決しようとする課題】従来の真空遮断器にお
いては図8の断面図で示す通り真空バルブ2の可動電極
端子6とリンク9の間にプラスチック製の絶縁ロッド8
が組込まれており、リンク9の穴の軸心とレバー10の穴
の軸心を一致させ、ピン13で連結する極めて複雑な構成
であり、組立作業において熟練技能者が必要であり、な
お且組立に長時間を要し改善が必要な構成であった。
In the conventional vacuum circuit breaker, an insulating rod 8 made of plastic is provided between the movable electrode terminal 6 and the link 9 of the vacuum valve 2 as shown in the sectional view of FIG.
Has a very complicated structure in which the shaft center of the hole of the link 9 and the shaft center of the hole of the lever 10 are aligned, and the pins 13 are connected, and a skilled worker is required in the assembling work. It took a long time to assemble and needed improvement.

【0005】この発明は上記のような問題点を解消する
ためになされたもので、真空遮断器の組立てにおいて真
空バルブ、主回路端子、接圧ロッドからなる単極ユニッ
トをモールドフレームに組付けた後、三相一体成形のク
ロスバーの絶縁レバー先端部のU字溝にR,S及びT相
の3相の真空バルブ2の接圧バネ部の嵌合部を嵌合せる
ことにより極めて容易に短時間で組立てることのできる
単極部の構成を得ることを目的としたものである。
The present invention has been made to solve the above problems, and in assembling a vacuum circuit breaker, a single-pole unit including a vacuum valve, a main circuit terminal, and a pressure contact rod was assembled in a mold frame. After that, by fitting the fitting part of the contact pressure spring part of the R, S and T phase vacuum valve 2 into the U-shaped groove at the tip of the insulating lever of the three-phase integrally molded crossbar, it is extremely easy to shorten. The purpose is to obtain a monopolar construction that can be assembled in time.

【0006】[0006]

【課題を解決するための手段】この発明に係る真空遮断
器の単極構成は、モールドフレーム内に設けられたモー
ルド突起部とクロスバーの絶縁レバー部のU字溝にて、
接圧ロッドの嵌合部を嵌合わせることにより、クロスバ
ーと単極ユニットの可動部との連結を行なうようにした
ものである。
A single-pole structure of a vacuum circuit breaker according to the present invention has a mold protrusion provided in a mold frame and a U-shaped groove of an insulating lever portion of a crossbar.
By fitting the fitting portion of the pressure contact rod, the crossbar and the movable portion of the monopolar unit are connected.

【0007】[0007]

【作用】この発明における真空遮断器の単極構成は、真
空バルブとクロスバー及びモールドフレームによる嵌合
せ方式により組立てる構成となっており、組立作業の容
易化により、女子或は素人工でも可能となり、なお且つ
短時間での組立てが可能となる。
The single-pole structure of the vacuum circuit breaker according to the present invention is a structure in which the vacuum valve, the crossbar, and the mold frame are fitted to each other. Moreover, it is possible to assemble in a short time.

【0008】[0008]

【実施例】【Example】

実施例1.図1は本発明の実施例の真空遮断器の断面図
である。図1において2は真空バルブ、14はモールドフ
レーム、5は固定電極端子、6は可動電極端子、3,4
は主回路端子、15は接圧ロッド、16は接圧ロッドの嵌合
部である。17は三相一体成形されたクロスバーであり、
18は絶縁レバーであり18Aは接圧ロッドの嵌合部を受け
入れるU字形溝部である。19は接圧ロッドの嵌合部にお
いて、嵌合部の振れを防止するモールドフレーム14に設
けられたモールド突起である。図2は本発明の実施例の
真空遮断器の斜視図である。図3はクロスバー17であり
図4はクロスバー17を図3におけるA方向よりの図、図
5は同じくB方向より見た図である。図6はモールドフ
レームの断面図である。次に動作について説明する。モ
ールドフレームの前面より予めユニット組立をしている
単極部(真空バルブ2、固定電極端子5、可動電極端子
6、主回路端子3,4、接圧ロッド7をユニット組立し
たもの)をモールドフレーム14の固定電極端子取付部12
にナット102で取付ける。この時主回路端子3,4はモ
ールドフレーム14の位置決め用突起20と主回路端子3に
設けた凹部21との係合により所定の位置に係止される。
ユニット組立した単極部は上記の要領でR,S及びT相
の各相に取付けられる。次にクロスバー17をモールドフ
レーム14の両側部に設けられたU字切欠き状の軸受部22
に嵌め込むことにより、前記取付済みの真空バルブ可動
端子6側の接圧ロッド15の嵌合部16に、絶縁レバー18の
先端部のU字形溝18Aが嵌まり込み、更にモールドフレ
ーム14に設けられたモールド突起部19が前記嵌合部16と
当接することにより、嵌合部を所定位置に保持する。こ
の結果、絶縁レバー18は嵌合部16に対してVSTの軸
方向に摺動自在に嵌まり込みVSTの接点を絶縁レバー
18で駆動可能にしている。
Example 1. FIG. 1 is a sectional view of a vacuum circuit breaker according to an embodiment of the present invention. In FIG. 1, 2 is a vacuum valve, 14 is a mold frame, 5 is a fixed electrode terminal, 6 is a movable electrode terminal, 3, 4
Is a main circuit terminal, 15 is a pressure contact rod, and 16 is a fitting portion of the pressure contact rod. 17 is a three-phase integrally molded crossbar,
Reference numeral 18 is an insulating lever, and 18A is a U-shaped groove for receiving the fitting portion of the pressure contact rod. Reference numeral 19 denotes a mold protrusion provided on the mold frame 14 which prevents the fitting portion of the contact pressure rod from swinging. FIG. 2 is a perspective view of the vacuum circuit breaker according to the embodiment of the present invention. 3 is a crossbar 17, FIG. 4 is a view of the crossbar 17 from the direction A in FIG. 3, and FIG. 5 is a view from the same direction B. FIG. 6 is a sectional view of the mold frame. Next, the operation will be described. A single-pole part (in which the vacuum valve 2, the fixed electrode terminal 5, the movable electrode terminal 6, the main circuit terminals 3 and 4, and the contact pressure rod 7 are unit-assembled) which is pre-assembled from the front surface of the mold frame. 14 fixed electrode terminal mounting part 12
To the nut 102. At this time, the main circuit terminals 3 and 4 are locked at predetermined positions by the engagement between the positioning projection 20 of the mold frame 14 and the recess 21 provided in the main circuit terminal 3.
The unit-assembled single-pole part is attached to each of the R, S, and T phases in the above manner. Next, the crossbar 17 is provided with a U-shaped notch-shaped bearing portion 22 provided on both sides of the mold frame 14.
The U-shaped groove 18A at the tip of the insulating lever 18 is fitted into the fitting portion 16 of the pressure contact rod 15 on the side of the mounted vacuum valve movable terminal 6, and is further provided in the mold frame 14. The molded protrusion 19 that is brought into contact with the fitting portion 16 holds the fitting portion at a predetermined position. As a result, the insulating lever 18 is slidably fitted in the fitting portion 16 in the axial direction of VST, and the contact of VST can be driven by the insulating lever 18.

【0009】[0009]

【発明の効果】以上のようにこの発明によれば、真空遮
断器の単極部と三相一括成形により製作されたクロスバ
ー、モールドフレームに設けられたモールド突起部によ
る嵌め合せ方式に構成したため、組立が容易に行え、ま
た大幅な組立時間の短縮が達成できる。
As described above, according to the present invention, the single pole portion of the vacuum circuit breaker, the crossbar manufactured by the three-phase collective molding, and the mold projection portion provided on the mold frame are used for the fitting method. Assembling is easy, and a significant reduction in assembling time can be achieved.

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

【図1】 この発明の一実施例による遮断器の断面図で
ある。
FIG. 1 is a sectional view of a circuit breaker according to an embodiment of the present invention.

【図2】 この発明の一実施例による遮断器の斜視図で
ある。
FIG. 2 is a perspective view of a circuit breaker according to an embodiment of the present invention.

【図3】 図1のクロスバーの斜視図である。3 is a perspective view of the crossbar of FIG. 1. FIG.

【図4】 図3の平面図である。FIG. 4 is a plan view of FIG.

【図5】 図3の正面図である。FIG. 5 is a front view of FIG.

【図6】 図1のモールドフレームの断面図である。6 is a cross-sectional view of the mold frame of FIG.

【図7】 従来の遮断器を示す斜視図である。FIG. 7 is a perspective view showing a conventional circuit breaker.

【図8】 図7の断面図である。FIG. 8 is a sectional view of FIG.

【符号の説明】[Explanation of symbols]

1 モールドフレーム 2 真空バルブ 3 主回路端子 4 主回路端子 5 固定電極端子 6 可動電極端子 7 可撓導体 8 絶縁ロッド 9 リンク 10 レバー 11 回転軸 12 固定電極端子
取付部 13 ピン 14 モールドフレ
ーム 15 接圧ロッド 16 嵌合部 17 クロスバー 18 絶縁レバー 19 突起部 20 位置決め用突
起部 21 導体凹部 22 軸受部
1 Mold frame 2 Vacuum valve 3 Main circuit terminal 4 Main circuit terminal 5 Fixed electrode terminal 6 Movable electrode terminal 7 Flexible conductor 8 Insulating rod 9 Link 10 Lever 11 Rotating shaft 12 Fixed electrode terminal mounting part 13 Pin 14 Mold frame 15 Contact pressure Rod 16 Fitting part 17 Crossbar 18 Insulation lever 19 Projection 20 Positioning projection 21 Conductor recess 22 Bearing part

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 真空遮断器において、真空バルブの可動
端子側に設けられた接圧ロッドの嵌合部を、モールドフ
レームの内面に設けられたモールド突起部と三相一体成
形されたクロスバーの絶縁レバー部のU字形の溝とでは
さみ込むことにより、前記嵌合部と前記絶縁レバーとを
連結したことを特徴とする真空遮断器。
1. In a vacuum circuit breaker, a fitting portion of a contact pressure rod provided on a movable terminal side of a vacuum valve is formed into a three-phase integrated cross bar with a mold projection portion provided on an inner surface of a mold frame. A vacuum circuit breaker characterized in that the fitting portion and the insulating lever are connected by being sandwiched by a U-shaped groove of the insulating lever portion.
JP32697594A 1994-12-28 1994-12-28 Vacuum circuit breaker Expired - Lifetime JP3346069B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP32697594A JP3346069B2 (en) 1994-12-28 1994-12-28 Vacuum circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32697594A JP3346069B2 (en) 1994-12-28 1994-12-28 Vacuum circuit breaker

Publications (2)

Publication Number Publication Date
JPH08185772A true JPH08185772A (en) 1996-07-16
JP3346069B2 JP3346069B2 (en) 2002-11-18

Family

ID=18193902

Family Applications (1)

Application Number Title Priority Date Filing Date
JP32697594A Expired - Lifetime JP3346069B2 (en) 1994-12-28 1994-12-28 Vacuum circuit breaker

Country Status (1)

Country Link
JP (1) JP3346069B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016039250A1 (en) * 2014-09-09 2016-03-17 三菱電機株式会社 Vacuum circuit-breaker

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016039250A1 (en) * 2014-09-09 2016-03-17 三菱電機株式会社 Vacuum circuit-breaker
JP6062105B2 (en) * 2014-09-09 2017-01-18 三菱電機株式会社 Vacuum circuit breaker
CN106796852A (en) * 2014-09-09 2017-05-31 三菱电机株式会社 Vacuum circuit breaker

Also Published As

Publication number Publication date
JP3346069B2 (en) 2002-11-18

Similar Documents

Publication Publication Date Title
US7361857B2 (en) External operating handle mechanism for mold cased circuit breaker
CN1324624C (en) Miniaturizable electromagnetic relay
US5483030A (en) Group operated circuit disconnect apparatus for overhead electric power lines
JPH08185772A (en) Vacuum circuit breaker
JP3755639B2 (en) Switchgear
KR100224916B1 (en) Circuit breaker
KR100192109B1 (en) Vacuum circuit breaker
EP1388158B1 (en) Circuit breaker mechanism for a rotary contact system
JPH07296687A (en) Vacuum breaker
JP3227327B2 (en) Circuit breaker
JP3449005B2 (en) Switch
JP3453849B2 (en) Switch spring device
CA1102385A (en) Switch operating rod assembly
JPS6137175Y2 (en)
JPS6033546Y2 (en) disconnector
JP3386290B2 (en) Multi-pole circuit breaker
JP2604702Y2 (en) Circuit breaker
CN115148514A (en) Switching device
JPH11146520A (en) Grounding switch for inspecting circuit breaker
CN1052335C (en) Distribution circuit breakers
JP3959888B2 (en) Circuit breaker
JPS6134670Y2 (en)
JPS6224905Y2 (en)
JP3683822B2 (en) Switch
JPH03272529A (en) Disconnecting device

Legal Events

Date Code Title Description
FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080906

Year of fee payment: 6

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080906

Year of fee payment: 6

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090906

Year of fee payment: 7

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090906

Year of fee payment: 7

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100906

Year of fee payment: 8

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110906

Year of fee payment: 9

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110906

Year of fee payment: 9

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120906

Year of fee payment: 10

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130906

Year of fee payment: 11

EXPY Cancellation because of completion of term