JPH034999U - - Google Patents

Description

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

第１図は本考案に係る給油装置の一実施例を示
す要部概略的断面図、第２図は従来の給油装置の
要部概略的断面図、第３図は第２図Ａ−Ａ線にお
ける断面図である。 １……回転軸、１Ａ……中空部、２……環状ハ
ウジング、３……摺動材、４……環状溝（給油室
）、５……給油孔、６……連通孔、２１，２１…
…環状保持部材、２２，２２……廻り止めボメト
、２３……環状空間、２４，２４……ストツパ。 FIG. 1 is a schematic cross-sectional view of the main parts of an embodiment of the oil supply device according to the present invention, FIG. 2 is a schematic cross-section of the main parts of a conventional oil supply device, and FIG. FIG. DESCRIPTION OF SYMBOLS 1... Rotating shaft, 1A... Hollow part, 2... Annular housing, 3... Sliding material, 4... Annular groove (oil supply chamber), 5... Oil supply hole, 6... Communication hole, 21, 21 …
...Annular holding member, 22, 22... Rotation stopper, 23... Annular space, 24, 24... Stopper.

Claims (1)

【実用新案登録請求の範囲】 １ 中空構造を有する回転軸の軸周に、固定金具
で支承された非回転の環状ハウジングを摺動材を
介して摺接状態で外挿し、この環状ハウジングの
内周面の軸方向中央部に給油室となる環状溝を設
け、かつこの環状溝に外部から連通する給油孔を
前記環状ハウジングに設けるとともに、前記回転
軸の中空部と前記環状溝との間に連通孔を形成し
、この連通孔を通して前記給油孔から給油される
一次圧力の潤滑油を前記回転軸の中空部へ供給し
てなる給油装置において、前記環状ハウジングの
内周面に、環状保持部材を廻り止めして脱着可能
に内挿し、この環状保持部材の回転軸との摺接面
に前記摺動材を設けたことを特徴とする給油装置
。 ２ 環状保持部材を円周方向に２分割したことを
特徴とする請求項１記載の給油装置。 ３ 一対の環状保持部材を軸方向に互いに離間さ
せて配置し、これらの間に形成される環状空間を
給油室となる環状溝としたことを特徴とする請求
項１記載の給油装置。[Claims for Utility Model Registration] 1. A non-rotating annular housing supported by a fixing fitting is fitted onto the periphery of a rotating shaft having a hollow structure in sliding contact via a sliding member, and the inner part of this annular housing is An annular groove serving as an oil supply chamber is provided in the axial center of the circumferential surface, and an oil supply hole communicating with the annular groove from the outside is provided in the annular housing, and between the hollow part of the rotating shaft and the annular groove. In the oil supply device, in which a communication hole is formed and primary pressure lubricant oil supplied from the oil supply hole is supplied to the hollow part of the rotating shaft through the communication hole, an annular holding member is provided on the inner peripheral surface of the annular housing. A lubricating device characterized in that the annular holding member is removably inserted while being prevented from rotating, and the sliding member is provided on the sliding surface of the annular holding member that contacts the rotating shaft. 2. The oil supply device according to claim 1, wherein the annular holding member is divided into two in the circumferential direction. 3. The oil supply device according to claim 1, wherein the pair of annular holding members are spaced apart from each other in the axial direction, and the annular space formed between them is an annular groove serving as the oil supply chamber.