A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
MULTI-POINT TIGHTENING LOCK SYSTEM AND EXPLOSION-PROOF DOOR USING THE SAME
PROBLEM TO BE SOLVED: To securely hold a door even if an internal pressure rises due to the occurrence of a short circuit arc inside a casing.SOLUTION: A lock member 2 made of a rigid body is provided at a plurality of portions on the side of a door on the turning side, and in accordance with this, a receiving portion 5 made of a rigid body is provided on the housing side. A lock bar 3 is driven by the operation of a handle 4 to rotate a hook plate 22 of each lock member 2; therefore, a hook portion 222 of the hook plate 22 is inserted into a hook engaging portion 52 of each receiving portion 5. A lock engaging surface R1 of the hook portion 222 and a lock engaged surface R2 of the hook engaging portion 52 are brought into engagement with each other at substantially the same height position as an operation fulcrum portion 225 of the hook plate 22.SELECTED DRAWING: Figure 6
【課題】筐体内部で短絡アークの発生により内圧が上昇しても、扉を確実に保持する。【解決手段】扉の回動側の側部の複数個所に剛体からなるロック部材２を設け、これに対応して筐体側に剛体からなる受け部５を設け、ハンドル４の操作によりロックバー３を駆動して、各ロック部材２のフックプレート２２を回動させることにより、フックプレート２２のフック部２２２を各受け部５のフック係合部５２内に挿入し、フック部２２２のロック係合面Ｒ１とフック係合部５２のロック被係合面Ｒ２とをフックプレート２２の作動支点部２２５と略同じ高さ位置で対接係合させるようにした。【選択図】図６
MULTI-POINT TIGHTENING LOCK SYSTEM AND EXPLOSION-PROOF DOOR USING THE SAME
PROBLEM TO BE SOLVED: To securely hold a door even if an internal pressure rises due to the occurrence of a short circuit arc inside a casing.SOLUTION: A lock member 2 made of a rigid body is provided at a plurality of portions on the side of a door on the turning side, and in accordance with this, a receiving portion 5 made of a rigid body is provided on the housing side. A lock bar 3 is driven by the operation of a handle 4 to rotate a hook plate 22 of each lock member 2; therefore, a hook portion 222 of the hook plate 22 is inserted into a hook engaging portion 52 of each receiving portion 5. A lock engaging surface R1 of the hook portion 222 and a lock engaged surface R2 of the hook engaging portion 52 are brought into engagement with each other at substantially the same height position as an operation fulcrum portion 225 of the hook plate 22.SELECTED DRAWING: Figure 6
【課題】筐体内部で短絡アークの発生により内圧が上昇しても、扉を確実に保持する。【解決手段】扉の回動側の側部の複数個所に剛体からなるロック部材２を設け、これに対応して筐体側に剛体からなる受け部５を設け、ハンドル４の操作によりロックバー３を駆動して、各ロック部材２のフックプレート２２を回動させることにより、フックプレート２２のフック部２２２を各受け部５のフック係合部５２内に挿入し、フック部２２２のロック係合面Ｒ１とフック係合部５２のロック被係合面Ｒ２とをフックプレート２２の作動支点部２２５と略同じ高さ位置で対接係合させるようにした。【選択図】図６
MULTI-POINT TIGHTENING LOCK SYSTEM AND EXPLOSION-PROOF DOOR USING THE SAME
多点締め込み式ロックシステム及びこれを用いた防爆扉
SEGAWA SHIRO (author)
2017-01-05
Patent
Electronic Resource
Japanese