JPS648595U

JPS648595U -

Info

Publication number: JPS648595U
Application number: JP10274687U
Authority: JP
Priority date: 1987-07-06
Filing date: 1987-07-06
Publication date: 1989-01-18

Description

[Brief explanation of the drawing]

第１図及び第２図は本考案に係わるポンプの一
実施例を示す要部断面図で、第１図は羽根の有効
幅が最大の時を示す要部断面図、第２図は羽根の
有効幅が最小の時を示す要部断面図、第３図は従
来のポンプの縦断面図、第４図は渦形室の断面図
である。１０……ケーシング、１６……渦形室、１８…
…回転軸、２０……羽根、２２……羽根車、２６
……孔、３０……スカート部、３４……アクチユ
エータ、３６……ベアリング、３８……第一筒部
、４０……第二筒部、４４……筒状部材。 Figures 1 and 2 are sectional views of the essential parts of an embodiment of the pump according to the present invention. Figure 1 is a sectional view of the essential parts when the effective width of the blade is at its maximum, and Figure 2 is a sectional view of the essential part of the pump when the effective width of the blade is at its maximum. FIG. 3 is a longitudinal sectional view of a conventional pump, and FIG. 4 is a sectional view of a spiral chamber. 10...Casing, 16...Vortex chamber, 18...
... Rotating shaft, 20 ... Blade, 22 ... Impeller, 26
... Hole, 30 ... Skirt part, 34 ... Actuator, 36 ... Bearing, 38 ... First cylinder part, 40 ... Second cylinder part, 44 ... Cylindrical member.

Claims

[Claims for Utility Model Registration] (1) A casing with a spiral chamber formed inside, a rotating shaft held within the casing, an impeller fixed to the rotating shaft, and an impeller attached to the impeller. a cover comprising a plurality of blades, an end face portion having a hole through which the blades are inserted, and a skirt portion continuing to the end face portion; an actuator for sliding the cover in the axial direction of the rotating shaft; and a holding means for rotatably holding the cover, wherein the cylinder is provided in a direction opposite to the direction in which the blades of the impeller extend and is fitted with the skirt portion of the cover within the entire stroke range of the cover. A pump characterized by having a shaped member. (2) a first cylindrical body integrally formed with the blade of the impeller in the direction of extension of the blade on the rotation center side; and a first cylindrical body integrally formed with the cover within the entire stroke range of the cover; The pump according to claim 1, which has been registered as a utility model, characterized in that it has a second cylindrical body that fits into the body without coming off.