JPH0369319U - - Google Patents

Description

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

図面は本考案の一実施例が示され、第１図は軸
受ホルダーの上下にメタル軸受が圧入され、メタ
ル軸受に軸承された回転軸にピンチローラが圧接
された使用状態断面側面図、第２図は軸受ホルダ
ーの平面図、第３図は軸受ホルダーの上下にメタ
ル軸受が圧入された断面側面図、第４図は軸受ホ
ルダーにメタル軸受が圧入固定される工程図、第
５図は軸受ホルダーの切り欠き孔に撓み防止用治
具が嵌合された縦断面平面図、第６図は軸ロス電
流値と圧入代の関係を示す曲線図、第７図は従来
の金属製軸受ホルダーの縦断面側面図である。 １……軸受ホルダー、２，３……メタル軸受、
６……切り欠き孔、６ａ，６ｂ……傾斜部、８…
…撓み防止用治具。 The drawings show one embodiment of the present invention, and Fig. 1 is a cross-sectional side view of the used state in which metal bearings are press-fitted into the upper and lower parts of the bearing holder and a pinch roller is pressed against the rotating shaft supported by the metal bearings; The figure is a plan view of the bearing holder, Figure 3 is a cross-sectional side view of the metal bearings press-fitted into the top and bottom of the bearing holder, Figure 4 is a process diagram of how the metal bearing is press-fitted into the bearing holder, and Figure 5 is the bearing holder. Fig. 6 is a curve diagram showing the relationship between shaft loss current value and press-fit allowance, Fig. 7 is a longitudinal cross-section of a conventional metal bearing holder. FIG. 1... Bearing holder, 2, 3... Metal bearing,
6... Notch hole, 6a, 6b... Inclined part, 8...
...Jig for preventing deflection.

Claims (1)

【実用新案登録請求の範囲】 １ 軸受ホルダーと、この軸受ホルダー内に内設
されるメタル軸受とからなり、上記軸受ホルダー
は中空円筒状に形成されると共に、中央部側面に
切り欠き孔を形成し、上記メタル軸受は上記軸受
ホルダーの中空円筒内両端に各々圧入固定され、
上記切り欠き孔は開口側から中心部に至るに従つ
て幅狭となる傾斜部を形成してなる軸受ホルダー
。 ２ 軸受ホルダーが合成樹脂により形成された上
記第１項記載の軸受ホルダー。 ３ 上記軸受ホルダーの切り欠き孔には、メタル
軸受の圧入時に撓み防止用治具が嵌合接合される
ように構成した上記第１項記載の軸受ホルダー。[Claims for Utility Model Registration] 1. Consisting of a bearing holder and a metal bearing installed inside the bearing holder, the bearing holder is formed into a hollow cylindrical shape, and has a cutout hole formed in the side surface of the central part. The metal bearings are press-fitted into both ends of the hollow cylinder of the bearing holder, and
In the bearing holder, the notch hole has an inclined portion that becomes narrower from the opening side toward the center. 2. The bearing holder according to item 1 above, wherein the bearing holder is made of synthetic resin. 3. The bearing holder according to item 1 above, wherein the notch hole of the bearing holder is configured such that a deflection prevention jig is fitted into the notch hole when the metal bearing is press-fitted.