JPH046598U

JPH046598U -

Info

Publication number: JPH046598U
Application number: JP1990044791U
Authority: JP
Priority date: 1990-04-26
Filing date: 1990-04-26
Publication date: 1992-01-21

Description

[Brief explanation of the drawing]

第１図は本考案の第１実施例に係るウオータポ
ンプの縦断面図、第２図はメカニカルシール１８
の詳細断面図、第３図はキヤツプ４０の斜視図、
第４図は第３図の−矢視断面図、第５図はキ
ヤツプ４０と取付図、第６図はキヤツプ４０の取
付詳細図、第７図は第６図の−矢視断面図、
第８図は第７図の−矢視図、第９図はプーリ
シート１４の取付け側面図、第１０図は第９図の
−矢視図、第１１図は第２実施例に係るキヤ
ツプ１４０の斜視図、第１２図はキヤツプ１４０
の取付け断面図、第１３図は第３実施例に係るキ
ヤツプ２４０の斜視図、第１４図は第４実施例に
係るプーリシート１１４の平面図、第１５図は第
１４図の−矢視断面図、第１６図は第５
実施例に係るプーリシート２１４の平面図、第１
７図は第１６図の−矢視断面図である。
第１８図は従来技術に係るウオータポンプの縦断
面図である。６……中間室、１４……プーリシート、１８…
…メカニカルシール、２２……第１通路、２４…
…第２通路、４０……キヤツプ。 FIG. 1 is a longitudinal sectional view of a water pump according to a first embodiment of the present invention, and FIG. 2 is a mechanical seal 18.
3 is a perspective view of the cap 40,
4 is a sectional view taken along the - arrow in FIG. 3, FIG. 5 is a diagram of the cap 40 and its installation, FIG. 6 is a detailed installation view of the cap 40, and FIG.
8 is a view in the direction of the − arrow in FIG. 7, FIG. 9 is a side view of the installation of the pulley seat 14, FIG. 10 is a view in the direction of the − arrow in FIG. 9, and FIG. 11 is a cap 140 according to the second embodiment. 12 is a perspective view of the cap 140.
FIG. 13 is a perspective view of the cap 240 according to the third embodiment, FIG. 14 is a plan view of the pulley seat 114 according to the fourth embodiment, and FIG. 15 is a cross section taken in the direction of the − arrow in FIG. Figure 16 is the 5th
A plan view of the pulley sheet 214 according to the embodiment, the first
FIG. 7 is a sectional view taken along the - arrow in FIG. 16.
FIG. 18 is a longitudinal sectional view of a water pump according to the prior art. 6...Intermediate chamber, 14...Pulley seat, 18...
...Mechanical seal, 22...First passage, 24...
...Second aisle, 40...cap.

Claims

[Claims for Utility Model Registration] A bearing chamber, an intermediate chamber, and a pump chamber that are successively formed in communication with each other inside a pump body, an impeller that is rotated within the pump chamber, and a shaft for rotating the impeller that has one end. an impeller drive shaft connected to the impeller, the other end protruding outside the pump body, and further having an intermediate portion rotatably supported by a bearing in the bearing chamber; A pulley seat that is fixed to a part protruding from the pump body and rotates the impeller drive shaft in response to the rotational force given by the engine drive, and a mechanical seat that is disposed between the pump chamber and the intermediate chamber. a first passage having one opening located outside the pump body at a level higher than the intermediate chamber and another opening located outside the pump body at a level higher than the intermediate chamber; and one opening outside the pump body lower than at least the intermediate chamber. a second passage located at a level and in close proximity to the pulley seat, the other opening of which is located within the intermediate chamber; and a cover member that covers the pump body outer opening of the first passage in a ventilable state. A water pump characterized by: