PROBLEM TO BE SOLVED: To prevent water from intruding from an outer peripheral side and rust from occurring due to water intrusion, in a dust seal 1 whose seal lip 12 faces upward.SOLUTION: A dust seal includes: a base part 11 comprising a unit of a rubber elastic body, and having a butting surface 11a capable of butting with an upper end surface 25 of an outer peripheral member 2 in a close contact manner; a seal lip 12 extending upward from the base part 11, and closely contacting with an outer peripheral surface of an inner peripheral member 3 in a slidable manner, the inner peripheral member inserted into an inner periphery of the outer peripheral member 2 in a relatively movable manner; a covering part 13 extending downward from an outer diameter side of the butting surface 11a in the base part 11; and a stationary part 14 provided in the covering part 13, and capable of being fixed to an outer periphery of the outer peripheral member 2.SELECTED DRAWING: Figure 1
【課題】シールリップ12が上方を向いたダストシール1において、外周側からの水の浸入及びこれに起因する錆の発生を防止する。【解決手段】ゴム弾性体の単体からなり、外周部材2の上端面25と密接衝合可能な衝合面11aを有する基部11と、この基部11から上方へ延びて、外周部材2の内周に相対運動可能に挿入された内周部材3の外周面に摺動可能に密接されるシールリップ12と、基部11における衝合面11aの外径側から下方へ筒状に延びる被包部13と、この被包部13に設けられて外周部材2の外周に固定可能な固定部14と、を備える。【選択図】図1
DUST SEAL
ダストシール
2018-05-10
Patent
Elektronische Ressource
Japanisch