JPS58151393U - vane type vacuum pump - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来のベーン型真空ポンプを示す断面図、第２
図は第１図の■−■線の断面図、第３図は従来のブラケ
ットの右側面図、第４図は第３図のＩＶ−ＩＶ線の断面
図、第５図は従来のブラケットの左側面図、第６図は本
考案によるブラケットを組み込んだ装置の断面図、第７
図はプレートの右側面図、第８図、第９図は本考案の他
の実施例を示す断面図である。 図中、１はエンドフレーム、２は軸、３はベアリング、
４はロータ、５はベーン、６はハウジング、１１は吸入
口、１２は排出口、１４はプレート、１４ａは筒部、１
４ｂは溝、１４Ｃは取付用穴、１５はカムリング、１６
は溶接箇所、１７はネジ又はリベット、２８はカシメで
ある。尚図中、同一符号は同一または相当部分を示す。 第９図　　　　　　　　☆ 第８図Figure 1 is a sectional view showing a conventional vane type vacuum pump, Figure 2
The figures are a sectional view taken along the line ■-■ in Fig. 1, Fig. 3 is a right side view of the conventional bracket, Fig. 4 is a sectional view taken along the IV-IV line in Fig. 3, and Fig. 5 is a sectional view of the conventional bracket. The left side view, FIG. 6 is a sectional view of the device incorporating the bracket according to the present invention, and FIG.
The figure is a right side view of the plate, and FIGS. 8 and 9 are sectional views showing other embodiments of the present invention. In the figure, 1 is the end frame, 2 is the shaft, 3 is the bearing,
4 is a rotor, 5 is a vane, 6 is a housing, 11 is an inlet, 12 is an outlet, 14 is a plate, 14a is a cylinder part, 1
4b is a groove, 14C is a mounting hole, 15 is a cam ring, 16
17 is a screw or rivet, and 28 is a caulking point. In the drawings, the same reference numerals indicate the same or corresponding parts. Figure 9 ☆ Figure 8

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 吸入口と排出口を有し筒状に形成された。・１ウジング
、このハウジング内にその筒状内周面と偏心して回転可
能に設けられた回転軸、この回転軸を回転可能に支承す
るフレーム、上記回転軸と同心となる如く固定されたロ
ータ、このロータに径方向に摺動可能に装着されると共
に上記ノ＼ウジングの筒状内周面に常に摺接して上記吸
入口から上記排出口へ流体を圧送し得るベーン、及び上
記ハウジングと上記フレームの間に固定され、上記フレ
ームに位置決め嵌合する筒部を有するプレートと、この
プレートと別体に製作され上記ベーンの内周側端面を大
径方向に押圧し得るカムリングとの相方を固着してなる
ブラケットを備えたベーン型真空ポンプ。It has a cylindrical shape with an inlet and an outlet.・1 housing, a rotating shaft rotatably provided in the housing eccentrically with respect to the cylindrical inner peripheral surface thereof, a frame rotatably supporting this rotating shaft, a rotor fixed so as to be concentric with the rotating shaft, a vane that is slidably mounted on the rotor in the radial direction and that is always in sliding contact with the cylindrical inner circumferential surface of the nozzing to force-feed fluid from the suction port to the discharge port; the housing and the frame; A plate having a cylindrical portion which is fixed in between and is positioned and fitted to the frame, and a cam ring which is manufactured separately from the plate and which can press the inner circumferential end surface of the vane in a large diameter direction are fixed. A vane-type vacuum pump with a bracket.