JPS6245390U

JPS6245390U -

Info

Publication number: JPS6245390U
Application number: JP13682685U
Authority: JP
Priority date: 1985-09-09
Filing date: 1985-09-09
Publication date: 1987-03-19

Description

[Brief explanation of the drawing]

第１図は本考案を適用したスクリユ型エアポン
プの一実施例を示す縦断面図、第２図ないし第５
図はその―線、―線、―線および
―線断面図、第６図ないし第８図は第１図にお
ける左、右側面図および底面図である。１……スクリユ型エアポンプ、２……ポンプハ
ウジング、３，４……円柱状空間、５……ハウジ
ング本体、６……カバー、７……空気吸込口、９
……空気吹出口、１０，１１……雌、雄ロータ、
１２，１３……ロータ軸、１４（１４Ａ，１４Ｂ
）、１５（１５Ａ，１５Ｂ）……サイドプレート
部材、１６ａ，１６ｂ；１７ａ，１７ｂ……ボー
ルベアリング、１９……ガスケツト、２０，２１
……歯車（駆動力伝達機構）、２３……開口部、
２４……駆動プーリ、２４ａ……内径部、２４ｂ
……外径部、２４ｃ……本体部、２４ｄ……延設
端、２６……フロントボデイ、２６ｂ……先端筒
状部、２９……ボールベアリング、３３……オイ
ルシール。 Fig. 1 is a vertical sectional view showing an embodiment of a screw type air pump to which the present invention is applied, and Figs.
The figures are cross-sectional views taken along lines -, -, -, and -, and Figs. 6 to 8 are left and right side views and bottom views of Fig. 1, respectively. DESCRIPTION OF SYMBOLS 1...Screw type air pump, 2...Pump housing, 3, 4...Cylindrical space, 5...Housing body, 6...Cover, 7...Air suction port, 9
...Air outlet, 10, 11...Female, male rotor,
12, 13... Rotor shaft, 14 (14A, 14B
), 15 (15A, 15B)... Side plate member, 16a, 16b; 17a, 17b... Ball bearing, 19... Gasket, 20, 21
... Gear (driving force transmission mechanism), 23 ... Opening,
24... Drive pulley, 24a... Inner diameter part, 24b
...outer diameter part, 24c...body part, 24d...extended end, 26...front body, 26b...tip cylindrical part, 29...ball bearing, 33...oil seal.

Claims

[Scope of utility model registration request]

A male rotor and a female rotor, which rotatably support both ends of rotor shafts disposed in parallel through bearings, mesh with each other in a non-contact state, and rotate to pump air in the axial direction, and both of these rotors. The pump housing has a space for housing the driving force transmission mechanism assembled on each rotor shaft so as to rotate the rotors in synchronization, and extends through the pump housing to the outside. The drive pulley, which is connected to the rotary drive source via a belt and is installed at the tip of one of the rotor shafts, is rotatably supported by the pump housing via a bearing, and the tip of its inner diameter is on the side of the pump housing. 1. A screw type air pump, which extends into a shaft hole, and an oil seal is interposed between the outer periphery of the extending end and the inner periphery of the shaft hole.