JPS6233605U

JPS6233605U -

Info

Publication number: JPS6233605U
Application number: JP12437485U
Authority: JP
Priority date: 1985-08-13
Filing date: 1985-08-13
Publication date: 1987-02-27

Description

[Brief explanation of the drawing]

第１図は本考案の実施例の開閉機構を有する小
扉の部分側面断面図、第２図は第１図の―矢
視平面図、第３図は従来の小扉の正面図、第４図
は第３図の側面断面図、第５図は第４図の小扉の
開状態図、第６図は第５図の―矢視正面図で
ある。１：外扉、３：小扉、８：支時台、９：ヒンジ
軸、１０：ヒンジアーム、１１：ストツパピン、
１２：復帰ばね。 Fig. 1 is a partial side sectional view of a small door having an opening/closing mechanism according to an embodiment of the present invention, Fig. 2 is a plan view taken in the direction of - arrow in Fig. 1, Fig. 3 is a front view of a conventional small door, and Fig. The figure is a side sectional view of FIG. 3, FIG. 5 is a view of the small door in FIG. 4 in an open state, and FIG. 6 is a front view of FIG. 1: Outer door, 3: Small door, 8: Time stand, 9: Hinge shaft, 10: Hinge arm, 11: Stopper pin,
12: Return spring.

Claims

[Scope of utility model registration request]

A hinge shaft is attached parallel to the door surface to a support stand protruding from the inside of the outer door of the switchboard, and a notch provided in the outer door is used as a hinge arm that supports a small door that opens and closes with the hinge shaft as the center. An arcuate portion surrounding the hinge shaft at regular intervals is provided, a cut groove is provided in the arcuate portion of the hinge arm that contacts the support base at the open position of the small door, and a return is engaged with the cut groove. An opening/closing mechanism for a small door of a power distribution board, characterized in that a stopper pin with a spring is slidably attached to the support base.