JPH0352392U

JPH0352392U -

Info

Publication number: JPH0352392U
Application number: JP11370489U
Authority: JP
Priority date: 1989-09-28
Filing date: 1989-09-28
Publication date: 1991-05-21
Anticipated expiration: 2004-09-28
Also published as: JP2546039Y2

Description

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

第１図は、本考案第１実施例のタイミングギヤ
の断面図である。第２図は、本考案第２実施例の
タイミングギヤの断面図である。第３図は、本考
案第３実施例のタイミングギヤの断面図である。
第４図は、本考案第１実施例のタイミングギヤを
、二軸式容積型圧縮機に適用した例である。第５
図は、本考案第２実施例のタイミングギヤを、二
軸式容積型圧縮機に適用した例である。第６図、
第７図は、従来技術の二軸式容積圧縮機を示す。１１，２１，３１……タイミングギヤ、１１ａ
，２１ａ……歯車部、１１ｂ，２１ｂ……軸嵌合
部、１２，２２，３２……回転軸、３３……ブツ
シユ。 FIG. 1 is a sectional view of a timing gear according to a first embodiment of the present invention. FIG. 2 is a sectional view of a timing gear according to a second embodiment of the present invention. FIG. 3 is a sectional view of a timing gear according to a third embodiment of the present invention.
FIG. 4 shows an example in which the timing gear of the first embodiment of the present invention is applied to a two-shaft positive displacement compressor. Fifth
The figure shows an example in which the timing gear of the second embodiment of the present invention is applied to a two-shaft positive displacement compressor. Figure 6,
FIG. 7 shows a prior art twin-screw positive displacement compressor. 11, 21, 31...timing gear, 11a
, 21a... Gear part, 11b, 21b... Shaft fitting part, 12, 22, 32... Rotating shaft, 33... Bush.

Claims

【実用新案登録請求の範囲】 (1) 回転軸に固定される一対のタイミングギヤ
において、前記一対のタイミングギヤの片側或い
は両側を軸嵌合部と歯車部とに分割して該軸嵌合
部と該歯車部とをテーパ面で嵌合し、前記軸嵌合
部は制振部材により形成されたことを特徴とする
タイミングギヤ。 (2) 前記歯車部の端面を前記回転軸の軸段部或
いは軸固定物の端面に当接させ、前記歯車部のテ
ーパ面に前記軸嵌合部のテーパ面を挿入し、ナツ
トにより前記回転軸上のボルト部を介して前記回
転軸に締結したことを特徴とする請求項(1)記載
のタイミングギヤ。 (3) 前記軸嵌合部の端面を前記回転軸の前記軸
段部或いは前記軸固定物の端面に当接させ、前記
軸嵌合部のテーパ面に前記歯車部のテーパ面を挿
入し、ナツトにより前記回転軸上のボルト部を介
して前記回転軸に締結したことを特徴とする請求
項(1)記載のタイミングギヤ。 (4) 回転軸に固定される一対のタイミングギヤ
において、前記一対のタイミングギヤの片側或い
は両側を、前記軸嵌合部と前記歯車部とに分割し
てテーパ面で２分割された前記軸嵌合部を介して
回転軸に固定し、該２分割された軸嵌合部の少な
くとも一方は制振部材で形成されたことを特徴と
するタイミングギヤ。[Claims for Utility Model Registration] (1) In a pair of timing gears fixed to a rotating shaft, one or both sides of the pair of timing gears are divided into a shaft fitting part and a gear part, and the shaft fitting part is divided into a shaft fitting part and a gear part. and the gear portion are fitted on tapered surfaces, and the shaft fitting portion is formed of a vibration damping member. (2) The end face of the gear part is brought into contact with the stepped part of the rotating shaft or the end face of a shaft fixed object, the tapered surface of the shaft fitting part is inserted into the tapered face of the gear part, and the rotation is controlled by a nut. 2. The timing gear according to claim 1, wherein the timing gear is fastened to the rotating shaft via a bolt portion on the shaft. (3) bringing the end face of the shaft fitting part into contact with the shaft stepped part of the rotating shaft or the end face of the shaft fixing object, and inserting the tapered surface of the gear part into the tapered surface of the shaft fitting part; 2. The timing gear according to claim 1, wherein the timing gear is fastened to the rotating shaft by a nut via a bolt portion on the rotating shaft. (4) In a pair of timing gears fixed to a rotating shaft, one or both sides of the pair of timing gears are divided into the shaft fitting part and the gear part, and the shaft fitting is divided into two by a tapered surface. What is claimed is: 1. A timing gear fixed to a rotating shaft through a joint portion, and at least one of the two divided shaft fitting portions is formed of a vibration damping member.