JPH0165498U - - Google Patents

Description

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

第１図は微定量潤滑装置の一例を示す系統図、
第２図は本考案の第１実施例を示す断面図、第３
図は本考案の第２実施例を示す断面図、第４図及
び第５図は各々本考案の第３及び第４実施例を示
す部分断面図、第６図は本考案の第５実施例を示
す断面図である。 主要部分の符号の説明、２２……微定油量供給ユ
ニツト、２６……管路、２８……被潤滑物、３０
……ノズル、５０……保持部材、６０……油穴、
７０……ノズルコマ、４６，７７……位置決め手
段。 Figure 1 is a system diagram showing an example of a micro-quantity lubrication device.
Figure 2 is a sectional view showing the first embodiment of the present invention;
The figure is a sectional view showing the second embodiment of the present invention, FIGS. 4 and 5 are partial sectional views showing the third and fourth embodiments of the invention, respectively, and FIG. 6 is the fifth embodiment of the invention. FIG. Explanation of symbols of main parts, 22...Fine constant oil amount supply unit, 26...Pipe line, 28...Lubricated object, 30
... Nozzle, 50 ... Holding member, 60 ... Oil hole,
70... Nozzle piece, 46, 77... Positioning means.

Claims (1)

【実用新案登録請求の範囲】 １ 微定油量供給ユニツトより供給される微量か
つ定量の潤滑油を、給油通路を流れる空気流に乗
せて軸受等の潤滑対象物の空間部に、該潤滑対象
物を保持するハウジングに挿入されたノズルコマ
を介して噴射する微定油量潤滑装置のノズルコマ
組立体において、 前記ハウジングは、前記潤滑対象物に向かつて
半径方向に延びる前記ノズルコマの取付け穴を有
し、該ノズルコマ取付け穴を貫通して前記ノズル
コマが位置決め手段によりその軸方向において所
定の位置に取付けられ、 該位置決め手段は、前記ノズルコマに形成され
た係合部と、該ノズルコマに近接する部材に形成
された被係合部とから成り、 前記ノズルコマは、先端側に小径のノズル孔を
、末端側に該ノズル孔に連通し、これよりも大径
で前記給油通路に連通される連通路を有し、前記
ハウジング及び潤滑対象物にわたつて延び、前記
ノズルコマの先端は前記潤滑対象物に形成された
ノズルコマの受入れ穴を貫通して前記潤滑対象物
の空間に突出し、前記ノズル孔が前記潤滑対象物
の潤滑部位に向かつて開口していることを特徴と
する微定量潤滑装置のノズルコマ組立体。 ２ 前記ノズルコマの係合部はその軸方向中間部
に形成された段部であり、被係合部は前記ハウジ
ングまたは潤滑対象物に形成され、前記段部が着
座可能な段部とされている実用新案登録請求の範
囲第１項に記載の微定量潤滑装置のノズルコマ組
立体。 ３ 前記潤滑対象物は外輪及び内輪と、該両輪に
併設された外輪間座及び内輪間座と、前記両輪間
に介在された転動体とを含む軸受であり、前記外
輪間座に前記ノズルコマ受入れ穴が形成され、該
ノズルコマ受入れ穴の周縁に前記被係合部が形成
されている実用新案登録請求の範囲第２項に記載
の微定量潤滑装置のノズルコマ組立体。 ４ 前記被係合部は、前記ハウジングのノズルコ
マの取付け穴に形成された段部である実用新案登
録請求の範囲第２項に記載の微定量潤滑装置のノ
ズルコマ組立体。 ５ 前記係合部は前記ノズルコマの先端であり、
前記被係合部は前記ハウジングまたは潤滑対象物
に形成され、前記段部が着座可能な段部とされて
いる実用新案登録請求の範囲第１項に記載の微定
量潤滑装置のノズルコマ組立体。 ６ 前記潤滑対象物は外輪及び内輪と、該両輪間
に介在された転動体とを含む軸受であり、該外輪
に前記ノズルコマ受入れ穴が形成され、該ノズル
コマ受入れ穴の周縁に前記被係合部が形成されて
いる実用新案登録請求の範囲第３項に記載の微定
量潤滑装置のノズルコマ組立体。[Scope of Claim for Utility Model Registration] 1. A small and fixed amount of lubricating oil supplied from a micro-regular oil supply unit is carried on the air flow flowing through the oil supply passage into a space of a lubricated object such as a bearing, and the lubricating object is In a nozzle piece assembly of a micro-quantity lubricating device that injects oil through a nozzle piece inserted into a housing that holds an object, the housing has a mounting hole for the nozzle piece that extends in a radial direction toward the object to be lubricated. , the nozzle piece is attached to a predetermined position in the axial direction by a positioning means that passes through the nozzle piece attachment hole, and the positioning means is formed on an engaging portion formed on the nozzle piece and on a member adjacent to the nozzle piece. The nozzle piece has a small-diameter nozzle hole on the distal end side, communicates with the nozzle hole on the distal side, and has a communication passage with a larger diameter that communicates with the oil supply passage. and extends across the housing and the object to be lubricated, the tip of the nozzle piece protrudes into the space of the object to be lubricated through a receiving hole of the nozzle piece formed in the object to be lubricated, and the nozzle hole is connected to the object to be lubricated. A nozzle piece assembly for a micro-quantity lubrication device, characterized in that it opens toward a lubricated part of an object. 2. The engaging portion of the nozzle piece is a stepped portion formed in the axially intermediate portion thereof, and the engaged portion is formed in the housing or the object to be lubricated, and the stepped portion is a stepped portion on which the nozzle piece can be seated. A nozzle piece assembly for a micro-quantity lubrication device according to claim 1 of the registered utility model claim. 3. The object to be lubricated is a bearing including an outer ring and an inner ring, an outer ring spacer and an inner ring spacer attached to the two rings, and a rolling element interposed between the two rings, and the nozzle piece is received in the outer ring spacer. A nozzle piece assembly for a micro-quantity lubrication device according to claim 2, wherein a hole is formed and the engaged portion is formed on the periphery of the nozzle piece receiving hole. 4. The nozzle piece assembly for a micro-quantity lubricating device according to claim 2, wherein the engaged portion is a stepped portion formed in the nozzle piece attachment hole of the housing. 5. The engaging portion is the tip of the nozzle piece,
A nozzle piece assembly for a micro-quantity lubrication device according to claim 1, wherein the engaged portion is formed on the housing or the object to be lubricated, and the step portion is a seatable step portion. 6. The object to be lubricated is a bearing including an outer ring, an inner ring, and a rolling element interposed between the two rings, and the nozzle piece receiving hole is formed in the outer ring, and the engaged part is formed on the periphery of the nozzle piece receiving hole. A nozzle piece assembly for a micro-quantity lubrication device according to claim 3 of the registered utility model.