JPH0213187U - - Google Patents

Description

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

第１図は本考案にかかる密閉形圧縮機の縦断面
図、第２図は同要部の断面図、第３図乃至第５図
は他の実施例を示す図面、第６図は従来例を示す
断面図である。 １……密閉ケーシング、２……モータ、２１…
…ステータ、２２……ロータ、２３……バランス
ウエイト、３……圧縮要素、３Ａ……偏心部、３
６……吐出口、８……端面修正手段、８１……円
環板、８２……ダミーカバー、８３……ダミーウ
エイト。 Fig. 1 is a longitudinal cross-sectional view of a hermetic compressor according to the present invention, Fig. 2 is a cross-sectional view of the same essential parts, Figs. 3 to 5 are drawings showing other embodiments, and Fig. 6 is a conventional example. FIG. 1... Sealed casing, 2... Motor, 21...
... Stator, 22 ... Rotor, 23 ... Balance weight, 3 ... Compression element, 3A ... Eccentric part, 3
6... Discharge port, 8... End face correction means, 81... Annular plate, 82... Dummy cover, 83... Dummy weight.

Claims (1)

【実用新案登録請求の範囲】 (1) 密閉ケーシング１に、ステータ２１及びロ
ータ２２をもつモータ２と、偏心部３Ａをもつ圧
縮要素３とを内装し、この圧縮要素３におけるモ
ータ２の対向側頂部に、圧縮ガスを開放する吐出
口３６を設けると共に、前記ロータ２２の圧縮要
素側端部に、前記偏心部３Ａとの回転バランスを
とるバランスウエイト２３を突出形成した密閉形
圧縮機において、前記ロータ２２の圧縮要素側端
部に、前記バランスウエイト２３の突出端面を円
周上に沿つてほぼ均一に揃える端面修正手段８を
取付けたことを特徴とする密閉形圧縮機。 (2) 端面修正手段８が、バランスウエイト２３
の端面に取付ける円環板８１である請求項１記載
の密閉形圧縮機。 (3) 端面修正手段８が、バランスウエイト２３
の非形成側に設けられ、該バランスウエイト２３
の回転軌跡に沿う外面をもつダミーカバー８２で
ある請求項１記載の密閉形圧縮機。 (4) 端面修正手段８が、バランスウエイト２３
の非形成側に設けられ、該バランスウエイト２３
の回転軌跡を埋める肉厚をもつ軽合金製のダミー
ウエイト８３である請求項１記載の密閉形圧縮機
。[Claims for Utility Model Registration] (1) A motor 2 having a stator 21 and a rotor 22 and a compression element 3 having an eccentric portion 3A are housed in a sealed casing 1, and the opposite side of the motor 2 in the compression element 3 In the hermetic compressor, a discharge port 36 for releasing compressed gas is provided at the top, and a balance weight 23 for balancing the rotation with the eccentric portion 3A is formed protruding from the end of the rotor 22 on the compression element side. A hermetic compressor characterized in that an end face correction means 8 is attached to the end of the rotor 22 on the compression element side for aligning the protruding end face of the balance weight 23 substantially uniformly along the circumference. (2) The end face correction means 8 is the balance weight 23
The hermetic compressor according to claim 1, wherein the hermetic compressor is an annular plate (81) attached to an end face of the compressor. (3) The end face correction means 8 is the balance weight 23
The balance weight 23 is provided on the non-forming side of the balance weight 23.
2. The hermetic compressor according to claim 1, wherein the dummy cover has an outer surface along a rotation locus of the dummy cover. (4) The end face correction means 8 is the balance weight 23
The balance weight 23 is provided on the non-forming side of the balance weight 23.
2. The hermetic compressor according to claim 1, wherein the dummy weight is made of a light alloy and has a wall thickness that fills the rotation locus of the dummy weight.