JPS59169512U

JPS59169512U - Closed switchboard shutter device

Info

Publication number: JPS59169512U
Application number: JP6545583U
Authority: JP
Inventors: 伸一沼田
Original assignee: 三菱電機株式会社
Priority date: 1983-04-29
Filing date: 1983-04-29
Publication date: 1984-11-13

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のシャッター装置において電気機器を配電
盤函体に挿入しつつある状態を表わす図、第２図は第１
図装置の主要部の斜視図、第３図はこの考案装置の一実
施例を示す主要部の斜視図、第４図は第３図の主要部の
拡大図、第５図は第４図中■−■線の断面図、第６図は
ロック金具１７を示し、イは正面図、口は側面図、ハは
背面図、第７図はロック金具１７の動作原理を示す図、
第８図および第９図はそれぞれ電気機器挿入時、引出し
時の主要部分の動作を示す図である。図中同一符号は同
一または相当部を示す。図中１は配電盤函体、２は電気機器、７は支軸、９はス
ライダー、Ｉ　Ｑａ、　　１　ｏｂハシャッター、１４
はシャッターアーム、１５は操作ピン、１７はロック金
４１８．１９はストッパーピン、２１は引張バネ、２２
はロックピン、２３は切欠き、２４は傾斜部である。ｌ５Ｊ　　　　　　　　　−ａ　− ９／／２０−や・十ｌ　、ｔ−ヅFigure 1 is a diagram showing the state in which electrical equipment is being inserted into the switchboard box in a conventional shutter device, and Figure 2 is a diagram showing the state where electrical equipment is being inserted into the switchboard box.
Fig. 3 is a perspective view of the main part showing one embodiment of the invented device, Fig. 4 is an enlarged view of the main part of Fig. 3, and Fig. 5 is a perspective view of the main part of Fig. 4. 6 shows the lock fitting 17, A is a front view, C is a rear view, and FIG. 7 is a diagram showing the operating principle of the lock fitting 17,
FIGS. 8 and 9 are diagrams showing the operations of the main parts when inserting and pulling out electrical equipment, respectively. The same reference numerals in the figures indicate the same or corresponding parts. In the figure, 1 is a switchboard box, 2 is an electric device, 7 is a spindle, 9 is a slider, I Qa, 1 ob is a shutter, 14
is the shutter arm, 15 is the operation pin, 17 is the lock metal 418, 19 is the stopper pin, 21 is the tension spring, 22
23 is a lock pin, 23 is a notch, and 24 is an inclined portion. l 5J -a - 9/ / 20-ya, 10l, t-zu

Claims

[Claims for Utility Model Registration] 1. A shutter device for a closed power distribution board having a shutter arm that is installed inside a case of the closed power distribution board and opens and closes the shutter as electrical equipment is inserted and removed, comprising: a lock pin fixed to the case; a lock fitting having a notch that engages with the lock pin and swingably attached to the shutter arm; and a lock fitting that is attached to an electrical device and engages with the lock fitting when the electrical device is inserted or removed. and an operating member for swinging the locking member between a locking position in which it engages with the locking pin and a release position in which it disengages from the locking pin, and the locking metal force button is located in the locking position when the shutter is closed. Closed switchboard, featuring
shutter device. 2. The shutter device for a closed switchboard according to claim 1, wherein the operating member of the lock fitting is an operating pin for operating the shutter arm. 3 Utility model registration claim No. 1 in which the operating member of the lock fitting is provided separately from the operating pin that operates the shutter arm
Shutter device for closed switchboards as described in Section 1. 4. A locking fitting is attached to a small plate having a notch and parallel to the small plate so that the notch is located in the center,
Utility model registration claims consisting of a large plate having an inclined part on which the operating member rests and a support shaft inserted through the center
A shutter device for a closed switchboard according to any one of paragraphs. 5. The shutter device for a closed switchboard according to any one of claims 1 to 4, wherein the lock fitting is toggled between a lock position and a release position by a tension spring. 6. The shutter device for a closed switchboard according to any one of claims 1 to 4, in which the lock fitting is attracted to the locked position and the released position by a permanent magnet.