JPS63192638U

JPS63192638U -

Info

Publication number: JPS63192638U
Application number: JP8374387U
Authority: JP
Priority date: 1987-05-29
Filing date: 1987-05-29
Publication date: 1988-12-12

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図ａはこの考案のしや断器のポンピング防
止装置の実施例における遮断状態を示す図、第１
図ｂは第１図ａに示す実施例の板ばねとロツドの
関係を示す右側面図、第２図はこの実施例におけ
る投入状態を示す図、第３図はこの実施例におけ
るポンピング防止装置の動作を示す図、第４図は
従来の技術によるしや断器のポンピング防止装置
における遮断状態を示す図、第５図は従来の技術
によるしや断器のポンピング防止装置における投
入状態を示す図、第６図は従来の技術によるしや
断器のポンピング防止装置におけるポンピング防
止動作を示す図である。１：操作棒、２：ピン、３：掛金、８：トリガ
片、１３：ロツド、１８：板バネ。 Fig. 1a is a diagram showing the cut-off state in an embodiment of the pumping prevention device of the breaker of this invention;
Fig. b is a right side view showing the relationship between the leaf spring and the rod in the embodiment shown in Fig. 1a, Fig. 2 is a diagram showing the closed state in this embodiment, and Fig. 3 is a view of the pumping prevention device in this embodiment. FIG. 4 is a diagram showing the shut-off state of a conventional shield breaker pumping prevention device, and FIG. 5 is a diagram showing a closed state of a conventional shield breaker pumping prevention device. , FIG. 6 is a diagram showing a pumping prevention operation in a pumping prevention device for a shingle breaker according to the prior art. 1: Operation rod, 2: Pin, 3: Latch, 8: Trigger piece, 13: Rod, 18: Leaf spring.

Claims

【実用新案登録請求の範囲】しや断器のコンタクトを開閉する操作棒、前記操作棒に設けられたピン、回転自在に支持され前記操作棒がコンタクトを
開成する方向に移動したとき前記ピンを係止する
掛金、掛金がピンを係止した時掛金をロツクするため
のトリガ片、しや断器の投入信号が入力された時前記トリガ
片を駆動し掛金のロツクを解除するロツド、及び投入信号が入力されている期間前記トリガ片を
駆動したロツドをトリガ片から離れた位置に保持
する板ばね、を備えたしや断器のポンピング防止装置。[Claims for Utility Model Registration] An operating rod that opens and closes a contact of a breaker, a pin provided on the operating rod, and a pin that is rotatably supported and that opens the pin when the operating rod moves in a direction to open the contact. A latch for locking, a trigger piece for locking the latch when the latch locks the pin, a rod for driving the trigger piece to release the lock for the latch when the closing signal of the cutter is input, and a closing. A pumping prevention device for a sheath breaker, comprising: a leaf spring that holds a rod that drives the trigger piece at a position away from the trigger piece while a signal is being input.