JPH02103809U

JPH02103809U -

Info

Publication number: JPH02103809U
Application number: JP1227689U
Authority: JP
Priority date: 1989-02-06
Filing date: 1989-02-06
Publication date: 1990-08-17

Description

[Brief explanation of the drawing]

第１図は考案の一実施例による車両用空調装置
におけるインテークユニツト２０の排水構造の概
略断面図、第２図は同、ドレイン孔１７部分の要
部拡大断面図、第３図は本考案の他の実施例によ
るインテークユニツト３０の排水構造の概略断面
図、第４図は同、内外気切換えドア２１側から見
た正面図、第５図は従来の車両用空調装置におけ
るインテークユニツトボツクス１の排水構造の概
略断面図、第６図は同、インテークユニツト１の
底面図、第７図は従来の他のタイプのインテーク
ユニツト１６の排水構造の概略断面図、第８図は
同、ドレイン孔１７部分の拡大断面図である。１……車両用空調装置におけるインテークユニ
ツト、２……インテークユニツトボツクス、２Ａ
，２Ｂ……左右一対のインテークユニツトボツク
ス本体、３……空気導入用のブロア、４……ブロ
アモータ、５……内外気切換えドア、６……外気
導入口、７……内気導入口、８……回動軸、９…
…外気導入口６のシート部、９Ａ……シート部９
の傾斜部、１０……内気導入口７のシート部、１
１……樹脂製の基板、１２……ウレタンゴム等の
樹脂による被覆材、１３……ベルマウス、１４…
…インテークユニツトボツクス２の底部、１５…
…左右一対のインテークユニツトボツクス本体２
Ａ，２Ｂの境界部、１６……インテークユニツト
、１７……排水用のドレイン孔、１８……逆止弁
、２０……車両用空調装置におけるインテークユ
ニツト、２１……内外気切換えドア、２１Ａ……
内外気切換えドア２１の先端部、３０……車両用
空調装置におけるインテークユニツト、３１……
インテークユニツトボツクス、３２……半円錐状
の突出部、Ｅ……導入外気の矢印、Ｗ……雨水。 FIG. 1 is a schematic sectional view of the drainage structure of an intake unit 20 in a vehicle air conditioner according to an embodiment of the invention, FIG. 2 is an enlarged sectional view of the main part of the drain hole 17, and FIG. A schematic sectional view of a drainage structure of an intake unit 30 according to another embodiment, FIG. 4 is a front view of the same as seen from the inside/outside air switching door 21 side, and FIG. 6 is a bottom view of the intake unit 1, FIG. 7 is a schematic sectional view of the drainage structure of another type of conventional intake unit 16, and FIG. 8 is the same, a schematic sectional view of the drain hole 17. It is an enlarged sectional view of a part. 1... Intake unit in vehicle air conditioner, 2... Intake unit box, 2A
, 2B...Pair of left and right intake unit boxes, 3...Blower for air introduction, 4...Blower motor, 5...Inside/outside air switching door, 6...Outside air inlet, 7...Inside air inlet, 8... ...Rotation axis, 9...
... Seat part of outside air inlet 6, 9A... Seat part 9
Inclined portion, 10...Seat portion of inside air inlet 7, 1
1...Resin substrate, 12...Resin coating material such as urethane rubber, 13...Bell mouth, 14...
...bottom of intake unit box 2, 15...
...Pair of left and right intake unit box bodies 2
Boundary portion between A and 2B, 16...Intake unit, 17...Drain hole for drainage, 18...Check valve, 20...Intake unit in vehicle air conditioner, 21...Inside/outside air switching door, 21A... …
The tip of the inside/outside air switching door 21, 30...Intake unit in a vehicle air conditioner, 31...
Intake unit box, 32...Semi-conical protrusion, E...Arrow for introducing outside air, W...Rainwater.

Claims

[Scope of Claim for Utility Model Registration] An intake unit box forming an outside air inlet and an inside air inlet, a blower provided in the intake unit box, and internal and external parts for opening and closing the outside air inlet and inside air inlet of the intake unit box. A drainage structure of an intake unit in a vehicle air conditioner, wherein an intake unit is provided with an air switching door, and a drain hole is formed at the bottom of the intake unit box so as to open toward the outside air introduction port, 1. A drainage structure for an intake unit in a vehicle air conditioner, characterized in that the drain hole can also be closed when the outside air switching door closes the outside air inlet.