AIR CONDITIONER FOR VEHICLE

PROBLEM TO BE SOLVED: To reduce blast air leakage from a case suppressing large-sizing of a device in an air conditioner for a vehicle.SOLUTION: In an inside and outside air switching unit 16 which constitutes an air conditioner 10 for a vehicle, in which a first insertion part 44 having a triangular cross section is provided near a first connection part 40 in a lower case 24, a second insertion part 56 having a triangular cross section is provided near a second connection part 52 in an upper case 28, and in the state that the lower case 24 and the upper case 28 are connected to each other by an engaging claw 38 and a hook 50, the first and second insertion parts 44, 56 are so connected as to be inserted into a recess 62 provided on a connection duct 14, whereby a connection state of the lower case 24 and the upper case 28 is held by connection to the connection duct 14. Further, engagement means for the upper case 28 and the lower case 24 is covered with a cover part 64 provided on the connection duct 14.SELECTED DRAWING: Figure 2 【課題】車両用空調装置において、装置の大型化を抑制しつつケース内からの送風漏れを低減する。【解決手段】車両用空調装置１０を構成する内外気切替ユニット１６において、ロアケース２４における第１連結部４０の近傍に断面三角形状の第１挿入部４４を設け、アッパーケース２８における第２連結部５２の近傍に断面三角形状の第２挿入部５６を設け、前記ロアケース２４と前記アッパーケース２８とを係合爪３８及びフック５０によって互いに連結した状態で、連結ダクト１４に設けられた凹部６２へと第１及び第２挿入部４４、５６を挿入するように連結することで、前記ロアケース２４及び前記アッパーケース２８の連結状態が前記連結ダクト１４との連結によって保持される。また、連結ダクト１４に設けられたカバー部６４によってアッパーケース２８とロアケース２４との係合手段が覆われる。【選択図】図２