JPS61189813U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a plan view showing an embodiment of the present invention with the upper mounting plate removed, and FIG. 2 is an exploded view of the embodiment shown in FIG. 1. 3 and 4 are a plan sectional view and a side sectional view, respectively, showing the push lever device of the embodiment shown in FIG. 1. FIG. 5 is a partially cutaway view showing an enlarged part of FIG. 1, and FIG. 6 is a partially cutaway view of a cross section thereof. Figures 7 and 8 are
2 is a plan sectional view and a side sectional view showing a negative pressure changeover switch of the embodiment device shown in FIG. 1, respectively;
FIG. 9 is an exploded explanatory view of the negative pressure changeover switch, and FIG. 10 is a rear view showing the sealing member of the negative pressure changeover switch. FIG. 11 is a plan view for explaining the shape of each plate cam shown in FIG. 1, and FIG. 12 is an enlarged explanatory view for explaining the shape of the first notched groove of the plate cam. FIG. 13 is an explanatory diagram showing the connection state between each port of each negative pressure changeover switch, each negative pressure source, and each diaphragm in the embodiment device of FIG. 1. 10 (10A to 10E): Push lever device, 12 (12A to 12C): Plate cam, 14 (
14A to 14D): negative pressure selector switch, 16,
18: Mounting plate, 20: Housing (of the push lever device), 30: Push lever, 36: Action part, 38: Notch groove, 52: Housing (of the negative pressure changeover switch), 62 (62a to 62c): Port, 76: Operation member, 80: Operation portion, 98: First notch groove, 100: Second notch groove, 102: Wide portion,
104: Positioning part, 106: Inclined part, 110:
Third notch groove, 114, 116: diaphragm, 1
18: Negative pressure source, 120, 122: Negative pressure source for AUTO.

Claims (1)

[Claims for Utility Model Registration] A plurality of bushing levers arranged in a row on the front portion, each corresponding to a predetermined air conditioning mode, a plurality of negative pressure actuating mechanisms for switching the air conditioning mode, and a plurality of negative pressure actuating mechanisms for switching the air conditioning mode; By moving an operating member disposed between the pressure source and protruding from the front wall of the housing along the front wall,
a plurality of negative pressure changeover switches that allow or cut off communication between the predetermined negative pressure source and the plurality of negative pressure actuating mechanisms; The push levers are arranged along the installation direction, and in response to an alternative pressing operation of the plurality of push levers, are respectively moved relative to each other in the longitudinal direction in response to the pressed push lever, and are respectively moved relative to each other in the longitudinal direction. Operating members of different negative pressure changeover switches of the plurality of negative pressure changeover switches are engaged in a manner immovable relative to each other in the longitudinal direction, and the engaged negative pressure changeover switch is operated by movement in the longitudinal direction. a plurality of longitudinal plate cams for moving a member along the front wall portion of the housing, the plurality of plate cams being selectively pressed by the plurality of push levers; By relatively moving the switch in accordance with the push lever, the plurality of negative pressure changeover switches are switched in conjunction with the push lever that is pressed, and the air conditioning mode is changed to the air conditioning mode that corresponds to the push lever that was pressed. An air conditioning control device for a vehicle, characterized in that the air conditioning control device is configured to switch settings to the following.