F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 3/02 (2006.01) F16K 3/314 (2006.01)
Patent
CA 2532571
A slide plate (4) having a slide opening (5) that opens a through-opening is mounted inside the sliding valve housing (2) provided with this through- opening (3). The slide plate is sealed in each operating position by elastically deformable sealing rings (7a, 7a', 7b, 7b'), which are placed inside encircling grooves (6a, 6a', 6b, 6b'), and which act on both sides of the slide plate (4) while surrounding the through-opening (3). The inner edge (8) of the slide opening (5) is, with regard to the wall thickness of the slide plate, tapered toward the center (21). This prevents the inner edge, when moving into the closed position, from being able to damage the sealing rings or push them out.
Boîtier (2) de coulisseau à trou traversant (3), dans lequel est montée une plaque de coulissement (4) pourvue d'une ouverture (5) libérant le trou traversant. La plaque de coulissement est rendue étanche dans chaque position d'utilisation par des bagues d'étanchéité élastiquement déformables (7a, 7a`, 7b, 7b`) placées dans des rainures périphériques (6a, 6a`, 6b, 6b`), qui entourent le trou traversant (3) des deux côtés de la plaque de coulissement (4) et qui exercent une pression sur ladite plaque de coulissement. Le bord interne (8) de l'ouverture (5) ménagée dans la plaque est conçu de manière telle que l'épaisseur de paroi de la plaque de coulissement va en se réduisant en direction du centre (21). Cette configuration permet d'éviter que lors du coulissement dans la position de fermeture, les bagues d'étanchéité soient endommagées, voire délogées par le bord interne.
Mcfadden Fincham
Rico-Sicherheitstechnik Ag
LandOfFree
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