JPH0344267U - - Google Patents

Description

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

第１図は本考案の実施例を示す使用状態の半裁
断面図、第２図は従来構造の一例を示す使用状態
の半裁断面図である。 １……ゴム材製リツプ部材、１ａ……先端部、
１ｂ……摺動縁、１０……金属製補強環、１１，
１２……受圧面、１３……凹部、Ａ……密封空間
、Ｂ……反密封空間。 FIG. 1 is a half-cut sectional view showing an embodiment of the present invention in a used state, and FIG. 2 is a half-cut sectional view showing an example of a conventional structure in a used state. 1...Rip member made of rubber material, 1a...Tip part,
1b...Sliding edge, 10...Metal reinforcement ring, 11,
12...Pressure receiving surface, 13...Recessed portion, A...Sealed space, B...Anti-sealed space.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 金属ケースの内周に、密封空間側へ屈曲して延
び先端部内周面にシヤフト外周面との摺動縁が突
設形成されたゴム材製リツプ部材を保持してなる
リツプ型シールであつて、前記リツプ部材の密封
空間側の面に先端部を除いて金属製補強環を被着
し、前記先端部に、径方向に対する密封空間の圧
力を相反する方向へ受ける受圧面を形成するとと
もに、前記先端部内周面における前記摺動縁の反
密封空間側に、略軸方向へえぐつた環状の凹部を
形成したことを特徴とするリツプ型シール。 A lip-type seal holding a rubber lip member on the inner periphery of a metal case that extends bent toward the sealed space side and has a protruding edge on the inner periphery of the tip that slides with the outer periphery of the shaft. , a metal reinforcing ring is attached to the sealed space side surface of the lip member except for the tip, and a pressure receiving surface is formed at the tip to receive the pressure of the sealed space in a direction opposite to the radial direction; A lip-type seal characterized in that an annular recess that is hollowed out approximately in the axial direction is formed on the inner circumferential surface of the tip portion on the side opposite to the sealed space of the sliding edge.