JPH0766722B2 - Ratchet charging mechanism for circuit breaker - Google Patents
Ratchet charging mechanism for circuit breakerInfo
- Publication number
- JPH0766722B2 JPH0766722B2 JP1341407A JP34140789A JPH0766722B2 JP H0766722 B2 JPH0766722 B2 JP H0766722B2 JP 1341407 A JP1341407 A JP 1341407A JP 34140789 A JP34140789 A JP 34140789A JP H0766722 B2 JPH0766722 B2 JP H0766722B2
- Authority
- JP
- Japan
- Prior art keywords
- ratchet
- circuit breaker
- reverse rotation
- charging mechanism
- rotation preventing
- 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 - Lifetime
Links
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は遮断器、例えば遮断器筐体の前面よりハンド
ル操作して投入バネをチャージしたのち、指令を与える
ことにより通電部を上記蓄勢力で閉成させ、さらに開放
させる気中遮断器の、ラチェット式チャージ機構に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention charges a closing spring by operating a handle from the front of a circuit breaker, for example, a circuit breaker housing, and then gives a command to energize the energizing portion. The present invention relates to a ratchet type charging mechanism of an air circuit breaker that is closed by force and further opened.
〔従来の技術〕 従来のこの種の気中遮断器は、概略第４図、第５図に示
すように構成されている。第４図は側面図、第５図は第
４図を左からみた図であり、図において（１）は筐体
で、内部機構としては例えば特開昭58-129720号公報に
示されているので説明を省略する。（２）は内部機構の
一部であるチャージ用カム、（３）は電動駆動用ラチェ
ット、（４）は手動駆動用ラチェット、（５）はカム
（２）および各ラチェット（３），（４）を支持するカ
ムシャフト、（６）はモータ、（７）はモータ（６）に
より駆動される送りツメで、ラチェット（３）と係合す
る。（８）は手動チャージ用ハンドル、（９）はハンド
ル（８）により駆動される送りツメで、ラチェット
（４）を係合する。（10），（11）は通電部の一部を構
成する一対の導体である。[Prior Art] A conventional air circuit breaker of this type is generally configured as shown in Figs. FIG. 4 is a side view, and FIG. 5 is a view of FIG. 4 from the left. In the figure, (1) is a housing, and the internal mechanism is shown in, for example, Japanese Patent Laid-Open No. 58-129720. Therefore, the description is omitted. (2) is a charging cam that is a part of the internal mechanism, (3) is an electric drive ratchet, (4) is a manual drive ratchet, (5) is a cam (2) and each ratchet (3), (4 ) Is supported by the cam shaft, (6) is a motor, and (7) is a feed claw driven by the motor (6), which engages with the ratchet (3). (8) is a handle for manual charging, and (9) is a feed tab driven by the handle (8), which engages the ratchet (4). (10) and (11) are a pair of conductors forming a part of the current-carrying part.
モータ（６）により送りツメ（７）を駆動してラチェッ
ト（３）を回転させ、あるいはハンドル（８）により送
りツメ（９）を駆動してラチェット（４）を回転させる
ことにより、チャージ用カムを回転させ、チャージす
る。その他の詳しい動作は前記した公報に示されている
ので説明を省略する。The charging cam is driven by driving the feed claw (7) by the motor (6) to rotate the ratchet (3) or driving the feed claw (9) by the handle (8) to rotate the ratchet (4). Rotate and charge. Since other detailed operations are described in the above-mentioned publication, description thereof will be omitted.
第４図、第５図におけるラチェット式チャージ機構を、
第６図および第７図について詳しく説明する。第６図は
第４図の線VI-VIの拡大断面図、第７図は第６図を上か
らみた図であり、第４図および第５図と同一部分には同
一符号を付して説明を省略する。図において、（12）は
筐体（１）内に設置される本体フレームで、カムシャフ
ト（５）を回転可能に支持している。（13）は本体フレ
ーム（12）に取付ネジ（14）により取付けられる機構フ
レームで、モータ（６）により駆動される送りツメ
（７）が回転可能に取付けられている。（15）は送りツ
メ（７）を噛み合い方向に付勢する引きバネ、（16）は
本体フレーム（12）に回転可能に設けた２個の逆転防止
ツメ、（17）は２個の逆転防止ツメ（16）をそれぞれ噛
み合い方向に付勢する押しバネ、（18）はラチェット
（３）に形成した欠歯部である。The ratchet type charging mechanism in FIGS. 4 and 5 is
6 and 7 will be described in detail. FIG. 6 is an enlarged cross-sectional view taken along the line VI-VI of FIG. 4, and FIG. 7 is a view of FIG. 6 seen from above, and the same parts as those of FIGS. 4 and 5 are designated by the same reference numerals. The description is omitted. In the figure, (12) is a main body frame installed in the housing (1), and rotatably supports the camshaft (5). (13) is a mechanism frame that is attached to the main body frame (12) by attaching screws (14), and a feed claw (7) driven by a motor (6) is rotatably attached. (15) is a pulling spring that biases the feed claw (7) in the meshing direction, (16) is two reverse rotation prevention claws rotatably provided on the main body frame (12), and (17) is two reverse rotation prevention Pushing springs for biasing the claws (16) in the meshing direction, and (18) are toothless portions formed on the ratchet (3).
遮断器の機構部がチャージ完了をリミットスイッチの動
作によりモータ（６）に知らせるのであるが、モータ
（６）はリミットスイッチにより切られたチャージ完了
後も慣性力により回転するので、送りツメ（７）が動作
される。このとき送りツメ（７）を第６図に示すように
ラチェット（３）の欠歯部（18）に位置させることによ
り前記したモータ（６）の慣性力によるラチェット
（３）の駆動（オーバーラン）を防止するのである。こ
のことは例えば実開昭49-90869号公報に示されている。The mechanical part of the circuit breaker notifies the motor (6) of the completion of charging by the operation of the limit switch. However, since the motor (6) rotates due to inertial force even after completion of charging cut by the limit switch, the feed claw (7) ) Is operated. At this time, the feed claw (7) is positioned at the toothless portion (18) of the ratchet (3) as shown in FIG. 6 to drive the ratchet (3) by the inertial force of the motor (6) (overrun). ) Is prevented. This is shown, for example, in Japanese Utility Model Publication No. Sho 49-90869.
上記のような従来の遮断器のラチェット式チャージ機構
では、ラチェット（３）に欠歯部（18）が設けられてい
るために逆転防止ツメ（16）を２個設けてラチェット
（３）の逆転を防止しなければならないので、逆転防止
ツメ（16）が２個必要となってコストアップになるとい
う問題点があった。In the ratchet type charging mechanism of the conventional circuit breaker as described above, since the ratchet (3) is provided with the toothless portion (18), two reverse rotation preventing tabs (16) are provided and the ratchet (3) is rotated in reverse. Since it is necessary to prevent this, two reverse rotation prevention claws (16) are required, which causes a problem of cost increase.
この発明はかかる問題点を解消するためになされたもの
で、１個の逆転防止ツメで対応できるようにしてコスト
ダウンが図れる遮断器のラチェット式チャージ機構を得
ることを目的とする。The present invention has been made in order to solve such a problem, and an object thereof is to obtain a ratchet type charging mechanism for a circuit breaker capable of coping with a single reverse rotation preventing claw to achieve cost reduction.
上記目的を達成するために、この発明に係る遮断器のラ
チェット式チャージ機構は、ラチェットギアの複数歯と
それぞれ係合する複数個の係合部を有する逆転防止ツメ
を備えたものである。In order to achieve the above object, a ratchet type charging mechanism of a circuit breaker according to the present invention includes a reverse rotation preventing tab having a plurality of engaging portions that respectively engage a plurality of teeth of a ratchet gear.
この発明においては、ラチェットギアの複数歯とそれぞ
れ係合する複数個の係合部を逆転防止ツメが有している
ので、ラチェットギアの欠歯部においてもこの逆転防止
ツメは逆転防止の働きをする。In the present invention, since the reverse rotation preventing tab has a plurality of engaging portions that respectively engage with the plurality of teeth of the ratchet gear, the reverse rotation preventing tab also functions to prevent reverse rotation even in the toothless portion of the ratchet gear. To do.
この発明の一実施例を第１図、第２図について説明す
る。第１図は要部側面図、第２図（イ），（ロ）は第１
図の逆転防止ツメがラチェットギアの欠歯部に対応する
のを説明する図であり、上記従来のものと同一または相
当部分には同一符号を付して説明を省略する。図におい
て、（19）は逆転防止ツメで、ラチェットギア（３）の
２枚の歯（3a）と係合する２個の係合部（19a），（19
b）を有している。An embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a side view of a main part, and FIGS.
It is a figure explaining that the reverse rotation prevention claw of a figure respond | corresponds to the tooth-missing part of a ratchet gear, The same code | symbol is attached | subjected to the part which is the same as that of the said conventional thing, or abbreviate | omits description. In the figure, (19) is a reverse rotation preventing claw, and two engaging portions (19a), (19) that engage with two teeth (3a) of the ratchet gear (3).
have b).
このように２個の係合部（19a），（19b）を有する逆転
防止ツメ（19）を備えていると、ラチェット（３）が回
転して逆転防止ツメ（19）が欠歯部（18）にさしかかる
と、第２図（イ）に示すようにまず係合部（19a）でロ
ックし、次いで第２図（ロ）に示すように係合部（19
b）でロックし、欠歯部（18）を乗り越える。When the reverse rotation preventing tab (19) having the two engaging portions (19a) and (19b) is provided as described above, the ratchet (3) rotates and the reverse rotation preventing tab (19) is provided with the toothless portion (18). ), The engaging portion (19a) first locks as shown in FIG. 2 (a), and then the engaging portion (19a) as shown in FIG. 2 (b).
Lock with b) and get over the toothless part (18).
上記実施例ではラチェット（３）の欠歯部（18）が一つ
の歯（3a）である場合を示したが、欠歯部（18A）が二
つの歯（3a）である場合には第３図に示すように３個の
係合部（19a），（19b），（19c）を有する逆転防止ツ
メ（19A）とすればよく、同様にして欠歯部（18）の形
状に合わせて逆転防止ツメ（19）の係合部の個数を設定
すれば上記実施例と同様の効果が得られる。In the above embodiment, the case where the toothless portion (18) of the ratchet (3) is one tooth (3a) has been shown, but when the toothless portion (18A) is two teeth (3a), the third As shown in the figure, a reverse rotation preventing claw (19A) having three engaging portions (19a), (19b) and (19c) may be used, and similarly, the reverse rotation is performed in accordance with the shape of the toothless portion (18). If the number of engaging portions of the prevention claws (19) is set, the same effect as in the above embodiment can be obtained.
以上のように、この発明によれば１個の逆転防止ツメで
対応できるのでコストダウンが図れるという効果が得ら
れる。As described above, according to the present invention, since one reverse rotation preventing tab can be used, the effect of cost reduction can be obtained.
第１図のこの発明の一実施例を示す要部断面図、第２図
（イ），（ロ）は逆転防止ツメの動作説明図、第３図は
この発明の他の実施例を示す部分側面図、第４図は従来
の遮断器を示す側断面図、第５図は第４図を左からみた
図、第６図は第４図の線VI-VIの拡大断面図、第７図は
第６図を上からみた図である。 図において、（３）はラチェット、（3a）はラチェット
ギアの歯、（７）は送りツメ、（18）は欠歯部、（19）
は逆転防止ツメ、（19a），（19b）は係合部を示す。 なお、図中同一符は同一または相当部分を示す。FIG. 1 is a cross-sectional view of an essential part showing an embodiment of the present invention, FIGS. 2 (a) and 2 (b) are operation explanatory views of a reverse rotation preventing claw, and FIG. 3 is a part showing another embodiment of the present invention. A side view, FIG. 4 is a side sectional view showing a conventional circuit breaker, FIG. 5 is a view of FIG. 4 seen from the left, FIG. 6 is an enlarged sectional view of line VI-VI in FIG. 4, and FIG. FIG. 6 is a view of FIG. 6 seen from above. In the figure, (3) is a ratchet, (3a) is a ratchet gear tooth, (7) is a feed pawl, (18) is a toothless portion, (19).
Is a reverse rotation preventing tab, and (19a) and (19b) are engaging portions. The same reference numerals in the drawings indicate the same or corresponding parts.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭59−189519（ＪＰ，Ａ) 特開 平２−250710（ＪＰ，Ａ) 実開 昭55−141116（ＪＰ，Ｕ) 芦葉 清三郎「機械運動機構」（昭32− 10−15）技報堂発行、Ｐ．162−163，図 861−864 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-59-189519 (JP, A) JP-A-2-250710 (JP, A) Actual development Sho-55-141116 (JP, U) Seibarou Ashiha "Machine Movement mechanism "(Sho 32-10-15) published by Gihodo, P. 162-163, Fig. 861-864
Claims (1)
て、前記ラチェットギアに欠歯部を有すると共に送りツ
メと逆転防止ツメとが係合するものにおいて、 前記逆転防止ツメに、前記ラチェットギアの複数歯とそ
れぞれ係合する複数個の係合部を設けたことを特徴とす
る遮断器のラチェット式チャージ機構。1. A ratchet type charging mechanism for a circuit breaker, wherein the ratchet gear has a toothless portion and a feed claw and a reverse rotation preventing claw are engaged with each other, wherein the reverse rotation preventing claw is provided with a ratchet gear of the ratchet gear. A ratchet type charging mechanism for a circuit breaker, which is provided with a plurality of engaging portions that respectively engage with a plurality of teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1341407A JPH0766722B2 (en) | 1989-12-26 | 1989-12-26 | Ratchet charging mechanism for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1341407A JPH0766722B2 (en) | 1989-12-26 | 1989-12-26 | Ratchet charging mechanism for circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03201328A JPH03201328A (en) | 1991-09-03 |
| JPH0766722B2 true JPH0766722B2 (en) | 1995-07-19 |
Family
ID=18345830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1341407A Expired - Lifetime JPH0766722B2 (en) | 1989-12-26 | 1989-12-26 | Ratchet charging mechanism for circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0766722B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2679482B2 (en) * | 1991-10-16 | 1997-11-19 | 日新電機株式会社 | Spring energy storage device for switchgear |
| CN102184797B (en) * | 2011-01-07 | 2013-05-01 | 无锡市锡山湖光电器有限公司 | Manual stored energy closing and self-locking device of vacuum circuit breaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59189519A (en) * | 1983-04-12 | 1984-10-27 | 富士電機株式会社 | Device for driving breaker operation energy storage unit |
-
1989
- 1989-12-26 JP JP1341407A patent/JPH0766722B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| 芦葉清三郎「機械運動機構」（昭３２−１０−１５）技報堂発行、Ｐ．１６２−１６３，図８６１−８６４ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03201328A (en) | 1991-09-03 |
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