JPS6416413U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は内気排出口の取付位置を示す車両の側
面図、第２図は本考案の内気排出口部の逆止弁構
造の実施例で第１図におけるＡ―Ａ線縦断面図、
第３図は本考案の実施例において遠心力が左側に
働く場合の逆止弁構造の状態と該部の気流状態図
を示し、第４図は第２図に該当する従来例のＡ―
Ａ線縦断面図、第５図は第３図に該当する従来例
の遠心力が左側に働く場合の逆止弁構造の状態と
該部の気流状態図を示す。 １……車両、２……内気排出口、３……バンパ
ー、４……ベンチレーシヨンダクト、５……ボデ
イ側板、１６……第１の逆止弁、１７……第１の
舌状薄板、１８……第１の弁取付板、１９……第
１の弁座、２６……第２の逆止弁、２７……第２
の舌状薄板、２８……第２の弁取付板、２９……
第２の弁座。 FIG. 1 is a side view of a vehicle showing the installation position of the inside air exhaust port, FIG. 2 is a longitudinal sectional view taken along the line A--A in FIG.
FIG. 3 shows the state of the check valve structure and the state of airflow in this part when centrifugal force acts on the left side in the embodiment of the present invention, and FIG. 4 shows the A-- of the conventional example corresponding to FIG.
A vertical cross-sectional view taken along the line A, and FIG. 5 shows the state of the check valve structure and the state of air flow in the conventional example when the centrifugal force acts on the left side, corresponding to FIG. 3. DESCRIPTION OF SYMBOLS 1... Vehicle, 2... Inside air outlet, 3... Bumper, 4... Ventilation duct, 5... Body side plate, 16... First check valve, 17... First tongue-shaped thin plate , 18...first valve mounting plate, 19...first valve seat, 26...second check valve, 27...second
tongue-shaped thin plate, 28... second valve mounting plate, 29...
Second valve seat.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 車両の後方側部に設けられた内気排出口２と、
一方が該内気排出口２に至り、他方が室内に連通
するベンチレーシヨンダクト４と、該ベンチレー
シヨンダクト４の内気排出口２近傍に形成された
第１の弁座１９に略鉛直方向へ横断垂下する第１
の舌状薄板１７よりなる第１の逆止弁１６と、該
ベンチレーシヨンダクト４の室内側口近傍に形成
された第２の弁座２９に略鉛直方向へ横断垂下す
る第２の舌状薄板２７よりなる第２の逆止弁２６
とを具備する内気排出口部の逆止弁構造であつて
、前記第１の逆止弁１６と第２の逆止弁２６の向
きがその一方が遠心力発生時に閉止するように選
定されていることを特徴とする内気排出口部の逆
止弁構造。 An internal air exhaust port 2 provided on the rear side of the vehicle;
A ventilation duct 4 with one end leading to the inside air outlet 2 and the other communicating with the room, and a first valve seat 19 formed near the inside air outlet 2 of the ventilation duct 4 in a substantially vertical direction. 1st hanging across
a first check valve 16 made of a tongue-shaped thin plate 17; and a second tongue-shaped check valve 16 that hangs across a second valve seat 29 formed near the indoor entrance of the ventilation duct 4 in a substantially vertical direction. A second check valve 26 made of a thin plate 27
A check valve structure for an inside air outlet portion comprising: the first check valve 16 and the second check valve 26 having orientations selected such that one of them closes when centrifugal force is generated; A check valve structure at the inside air outlet is characterized by a