JPS6229246B2 - - Google Patents
Info
- Publication number
- JPS6229246B2 JPS6229246B2 JP56161575A JP16157581A JPS6229246B2 JP S6229246 B2 JPS6229246 B2 JP S6229246B2 JP 56161575 A JP56161575 A JP 56161575A JP 16157581 A JP16157581 A JP 16157581A JP S6229246 B2 JPS6229246 B2 JP S6229246B2
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- pipe
- horizontal pipe
- duct
- check valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 22
- 239000000428 dust Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
- B60H1/26—Ventilating openings in vehicle exterior; Ducts for conveying ventilating air
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Description
【発明の詳細な説明】
本発明は、自動車等の車両において車室内気を
車外に排出するための車両用ダクトに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a vehicle duct for discharging interior air from a vehicle such as an automobile to the outside of the vehicle.
第１図に示すように、自動車では、例えば側後
外板ＡにグリルＢを設けてその内側にダクトを開
口させており、外気は前部等から車室内へ採り入
れられ、車室内気はトランクルームを経てダクト
より排出されている。このような換気装置は山海
堂版自動車工学全書第13巻「乗用車の車体」97頁
以降に例示されている。 As shown in Fig. 1, in an automobile, for example, a grille B is provided on the side and rear outer panel A, and a duct is opened inside the grille, so that outside air is taken into the cabin from the front, etc., and the inside air is drawn into the trunk room. It is then discharged from the duct. Such a ventilation system is exemplified in Sankaido Edition Automotive Engineering Complete Book, Volume 13, ``Passenger Car Body'', page 97 onwards.
従来の車両用ダクトとしては例えば第２図乃至
第４図に示すようなものがある。すなわち、ダク
ト１は車外への開口２１を有する水平管部２と車
内へ導通する導通孔３１を有する直立管部３とよ
り成り、水平管部２と直立管部３とはＬ字形に連
続し夫々の管路中心も連続している。水平管部２
の開口２１には取付フランジ２２が形成され、外
板Ａに穿設された取付孔Ａ１にシール用パツキン
２３を介してビス２４止めされている。水平管部
２と直立管部３との接続部には逆止弁座４１が形
成され、軟質膜より成る弁体４２の上部が固定さ
れ逆止弁４が構成されている。開口２１を覆うグ
リルＢが外板Ａに取り付けられ、グリルＢには孔
Ｂ１が穿設され、開口２１を外気に連通させてい
る。車内気は直立管部３、逆止弁４、水平管部２
グリルＢのスリツト孔Ｂ１を経て排気され、外気
の逆流は逆止弁４が阻止するものである。 Examples of conventional vehicle ducts include those shown in FIGS. 2 to 4. That is, the duct 1 consists of a horizontal pipe section 2 having an opening 21 to the outside of the vehicle and a standpipe section 3 having a through hole 31 that leads to the inside of the vehicle, and the horizontal pipe section 2 and the standpipe section 3 are continuous in an L-shape. The centers of each pipe are also continuous. Horizontal pipe part 2
A mounting flange 22 is formed in the opening 21, and is secured to a mounting hole A1 drilled in the outer panel A with screws 24 via a sealing gasket 23. A check valve seat 41 is formed at the connection between the horizontal pipe section 2 and the vertical pipe section 3, and the check valve 4 is constructed by fixing the upper part of a valve body 42 made of a soft membrane. A grille B that covers the opening 21 is attached to the outer panel A, and a hole B1 is bored in the grille B, allowing the opening 21 to communicate with the outside air. Air inside the car is supplied through a standpipe section 3, a check valve 4, and a horizontal pipe section 2.
The air is exhausted through the slit hole B1 of the grille B, and the check valve 4 prevents the outside air from flowing back.
しかしながら、このような従来の車両用ダクト
１では、水平管部２と直立管部３とが直接的にＬ
字形に連続しており、しかも、逆止弁４の前には
水の衝撃を防ぐための抵抗手段が施こされていな
いから、洗車時等に、グリルＢのスリツト孔Ｂ１
を通過した水は逆止弁４の弁体４２を直撃し、弁
体４２を反転させて通過し、直接連続している直
立管部３の内管壁に沿つて上昇してついには導通
孔３１を越えて車内に漏水したり、逆止弁４を作
動不良にして外気を逆流させ、水や塵埃を車内に
侵入させてしまうという問題点があつた。 However, in such a conventional vehicle duct 1, the horizontal pipe portion 2 and the vertical pipe portion 3 are directly connected to each other.
Furthermore, since there is no resistance means installed in front of the check valve 4 to prevent the impact of water, when washing the car, etc., the slit hole B1 of the grille B
The water that has passed directly hits the valve body 42 of the check valve 4, reverses the valve body 42, passes through it, rises along the inner pipe wall of the directly continuous vertical pipe section 3, and finally reaches the through hole. There were problems in that water leaked into the vehicle interior beyond 31, or the check valve 4 malfunctioned, causing outside air to flow backwards and allowing water and dust to enter the vehicle interior.
この問題点を解消するためには、弁体４２を丈
夫にして反転しにくくしたり、直立管部３の高さ
を高くして侵入した水が上昇できないようにする
ことが考えられるが、前者では逆止弁４の順方向
の流れ抵抗が増して排気効率が低下するおそれが
あり、後者では取付位置により常に可能であると
は限らずまた車内スペースを減ずることともなる
ので有効な解決策とはなり得ない。 In order to solve this problem, it is possible to make the valve body 42 stronger so that it is difficult to turn over, or to increase the height of the standpipe section 3 so that the water that has entered cannot rise up. In the latter case, there is a risk that the forward flow resistance of the check valve 4 increases and the exhaust efficiency decreases, and in the latter case, it is not always possible depending on the mounting position, and it also reduces the space inside the car, so it is not an effective solution. It can't be.
本発明はこのような従来の問題点を解消するこ
とを目的としてなされたものである。 The present invention has been made to solve these conventional problems.
かかる目的を達成するため、本発明において
は、水平管部の奥端部の側部と垂直管部の下端部
とを、水平管部の奥端部から横に屈曲する接続部
を介して接続するとともに、水平管部の奥壁を垂
直管部の奥の管壁より先に延ばして位置させ、水
平管部の奥壁と垂直管部の管壁との間に段部を形
成し、この段部より車内側の管路に逆止弁を設け
て構成してある。 In order to achieve such an object, in the present invention, the side of the deep end of the horizontal pipe part and the lower end of the vertical pipe part are connected via a connecting part that bends laterally from the deep end of the horizontal pipe part. At the same time, the back wall of the horizontal pipe section is extended beyond the back wall of the vertical pipe section, and a step is formed between the back wall of the horizontal pipe section and the wall of the vertical pipe section. A check valve is provided in the conduit on the inside of the vehicle from the stepped portion.
そして、開口から水平管部に侵入した水は接続
部で屈曲することにより減勢され、水平管部の奥
壁に達した水は屈曲したのち段部に衝突し、逆止
弁に直接に衝突することがなく、水勢を弱めると
ともに、逆止弁を保護するようにしたものであ
る。 The water that enters the horizontal pipe section from the opening is bent at the connection part and its energy is reduced, and the water that reaches the back wall of the horizontal pipe bends and then collides with the stepped part and directly collides with the check valve. It is designed to weaken the water force without causing any damage and protect the check valve.
以下、図示実施例に基づき本発明を説明する。
なお、同一部位には同一符号を付する。 The present invention will be explained below based on illustrated embodiments.
Note that the same parts are given the same reference numerals.
第５図および第６図は本発明の一実施例を示し
ている。 5 and 6 show an embodiment of the present invention.
第５図および第６図でわかるように、ダクト１
は、水平管部２の奥端部の側部に直立管部３の下
端部を接続させて成り、それぞれの管路中心２
ａ，３ａが偏心していて、水平管部２の管路の奥
から横に屈曲する接続部５が形成されている。水
平管部２は外周にフランジ２２が形成された外気
への開口２１を有し、直立管部３には上端に車内
に導通する導通孔３１が形成されている。ダクト
１は樹脂等で一体成形されており、第６図に示さ
れているように、外板Ａに穿設された取付口Ａ１
に外側から挿入され、パツキン２３に介装シール
されてフランジ２２がビス２４止めされている。
開口２１を覆つて、スリツト孔Ｂ１が形成された
グリルＢが外板Ａに取り付けられているのは従来
例と同様である。接続部５の管内壁には、管路方
向Ｃで見て車外方向を向いた段部５１と管路内に
突出するリブ５２とが形成されている。同様に管
路方向Ｃで見て、この段部５１およびリブ５２よ
り車内側の管路内に逆止弁座４１が設けられ、軟
質膜の弁体４２が取り付けられ逆止弁４が構成さ
れている。 As can be seen in Figures 5 and 6, duct 1
The lower end of the vertical pipe section 3 is connected to the side of the inner end of the horizontal pipe section 2, and each pipe center 2
a and 3a are eccentric, and a connecting portion 5 is formed that bends laterally from the back of the channel of the horizontal tube portion 2. The horizontal pipe part 2 has an opening 21 to the outside air with a flange 22 formed on its outer periphery, and the vertical pipe part 3 has a through hole 31 formed at its upper end to lead into the interior of the vehicle. The duct 1 is integrally molded with resin or the like, and as shown in FIG.
The flange 22 is inserted from the outside, sealed with a packing 23, and fixed with a screw 24.
As in the conventional example, a grille B in which a slit hole B1 is formed is attached to the outer panel A so as to cover the opening 21. On the inner wall of the pipe of the connecting portion 5, a stepped portion 51 facing outside the vehicle when viewed in the pipe direction C and a rib 52 protruding into the pipe are formed. Similarly, when viewed in the pipe direction C, a check valve seat 41 is provided in the pipe on the inside of the vehicle from the stepped portion 51 and the rib 52, and a valve body 42 made of a soft membrane is attached to form the check valve 4. ing.
上記構成を有する車両用ダクトによれば、グリ
ルＢのスリツト孔Ｂ１より侵入した水は管路方向
Ｃに沿つて方向を変化させなければならず、先ず
ここで水勢が減じられる。水平管部２の内壁に沿
つて方向を変化した水は接続部５に至り、そこ
で、リブ５２および段部５１に相次いで衝突す
る。このため水勢は非常に弱くなり次いで逆止弁
４に至つたとしても弁体４２を反転させるほどの
勢いは無くなる。また、もし水が逆止弁４を越え
て侵入したとしても水勢がほとんど無いから直立
管部３内を上昇する高さは極めて少ないので直立
管部３は低く設定することができる。 According to the vehicle duct having the above configuration, the water entering through the slit B1 of the grille B must change its direction along the pipe direction C, and the water force is first reduced here. The water that has changed direction along the inner wall of the horizontal pipe section 2 reaches the connecting section 5, where it collides with the rib 52 and the step section 51 one after another. For this reason, the water force becomes very weak, and even if it then reaches the check valve 4, it will not have enough force to reverse the valve body 42. Further, even if water enters beyond the check valve 4, there is almost no water force, so the height it rises within the standpipe section 3 is extremely small, so the standpipe section 3 can be set low.
第７図および第８図は夫々本発明の他の実施例
を示しており、第７図に示すものは、段部５１だ
けを設けリブ２５を廃したもので、段部５１だけ
でも水勢を減ずる効果はあり、管路内形状が簡単
になるので製造が容易になるという利点がある。
また、第８図に示すものは、段部５１の隅角部に
斜方向に管路内に突出するリブ５２を設けたもの
であり、侵入水は一点鎖線に示すように管路内壁
に沿つて方向を変えて巻き込み、段部５１、リブ
５２の順に衝突する。リブ５２が水の進行方向に
直角に突出しているので水勢を効果的に減ずるこ
とができるという利点がある。 7 and 8 respectively show other embodiments of the present invention, and the one shown in FIG. 7 has only a stepped portion 51 and eliminates the rib 25, and the stepped portion 51 alone can control the water force. There is an advantage that the shape of the inside of the conduit becomes simpler and manufacturing becomes easier.
In addition, the one shown in FIG. 8 is provided with a rib 52 that projects obliquely into the pipe at the corner of the stepped portion 51, and the intruding water flows along the inner wall of the pipe as shown by the dashed line. It then changes direction and gets rolled up, colliding with the stepped portion 51 and the rib 52 in that order. Since the ribs 52 protrude perpendicularly to the direction of water movement, there is an advantage that the water force can be effectively reduced.
第９図および第１０図は夫々逆止弁４の態様を
示す実施例を示しており、第９図に示すものは、
接続部５と直立管部３との境界に上下二つの弁４
３，４３を有する弁座４１，４１，………を設
け、夫々の弁口４３を覆う弁体４２，４２をその
上部を固定して取り付けたものであり、弁体４２
が小さいので反転しにくいという利点がある。第
１０図に示すものは直立管部３内に段階状に隔壁
４４を形成し、その直立壁に弁口４３，４３，…
……を穿設し、各弁口４３，４３，………を覆つ
て弁体４２，４２，………を取り付けたもので、
開口２１から遠くなるので侵入水が到達しにくく
なり逆止弁４の保護がより完全になるという利点
がある。 9 and 10 respectively show embodiments of the check valve 4, and the one shown in FIG.
Two upper and lower valves 4 are installed at the boundary between the connection part 5 and the standpipe part 3.
Valve seats 41, 41, .
It has the advantage that it is difficult to reverse because it is small. In the one shown in FIG. 10, a partition wall 44 is formed in stages in the vertical pipe portion 3, and valve ports 43, 43, . . . are formed in the vertical wall.
...... is drilled, and valve bodies 42, 42, ...... are attached to cover each valve port 43, 43, ......
Since it is far from the opening 21, it is difficult for intruding water to reach the check valve 4, which has the advantage that the check valve 4 is more completely protected.
このように、逆止弁４は段部５１より車内側で
あればいずれの部位に設けても良く、弁口４３を
複数にしても良い。 In this way, the check valve 4 may be provided at any location closer to the vehicle than the stepped portion 51, and the valve ports 43 may be provided in a plurality of locations.
第１１図はダクト１の取付手順を示すもので、
先ず第１１図ａに示すようにダクト１の直立管部
３を水平にして外板Ａの取付孔Ａ１に挿入してか
ら手前に回転させれば第１１図ｂに示す状態にな
る。次にダクト１を反時計方向に回転させれば第
１１図Ｃに示すように正規取付状態になる。ダク
ト１を外板Ａの裏側に入れフランジ２２を外板Ａ
の裏面に押し当てるようにしても良いが組付作業
性を考慮すれば第１１図に示すように表側から取
り付けることが望ましい。 Figure 11 shows the installation procedure for duct 1.
First, as shown in FIG. 11a, the standpipe portion 3 of the duct 1 is horizontally inserted into the mounting hole A1 of the outer panel A, and then rotated toward the front, resulting in the state shown in FIG. 11b. Next, if the duct 1 is rotated counterclockwise, it will be in the normally installed state as shown in FIG. 11C. Put the duct 1 into the back side of the outer panel A and insert the flange 22 into the outer panel A.
Although it may be pressed against the back side of the cover, it is preferable to attach it from the front side as shown in FIG. 11 in consideration of ease of assembly.
本発明に係る車両用ダクトによれば、ダクト内
の管路を偏位屈曲させ、段部による抵抗手段を設
けたから短い管路で侵入した水の勢いを減殺する
ことが出来、しかも、抵抗手段より車内側に逆止
弁を設けたから逆止弁に侵入した水が強く衝突し
て弁体が反転して逆止機能を失うようなことは無
く、水や塵埃等が逆流することも無い。直立管部
の高さを低くし管路を短くすることができるから
ダクトを小型化することが可能になり狭い場所に
も取り付けることが出来、ひいては車両の軽量化
にも役立つ。 According to the duct for a vehicle according to the present invention, the conduit in the duct is deflected and bent, and the resistance means by the stepped portion is provided, so that the force of water entering the short conduit can be reduced, and the resistance means Since the check valve is installed closer to the inside of the vehicle, water that has entered the check valve will not strongly collide with the valve body and cause the valve body to reverse and lose its check function, and water and dust will not flow back. Since the height of the standpipe section can be lowered and the conduit can be shortened, the duct can be made smaller and can be installed in narrow spaces, which in turn helps reduce the weight of vehicles.
第１図は自動車の略示的側面図、第２図乃至第
４図は従来例を示し、第２図は第１図−断面
相当断面図、第３図は同様に−断面相当断面
図、第４図はダクトの斜視図、第５図および第６
図は本発明の一実施例を示し、第５図はダクトの
斜視図、第６図は第１図−断面相当断面図、
第７図および第８図は夫々本発明の他の実施例を
示す第１図−断面相当断面図、第９図および
第１０図は夫々逆止弁の各種態様を示す第５図
−断面相当断面図、第１１図はダクトの取付要
領の手順を示す説明図である。
Ａ……外板、Ｂ……グリル、１……ダクト、２
……水平管部、２１……開口、２２……取付フラ
ンジ、３……直立管部、３１……導通孔、４……
逆止弁、４１……弁座、４２……弁体、５……接
続部、５１……段部、５２……リブ。
FIG. 1 is a schematic side view of an automobile, FIGS. 2 to 4 show a conventional example, FIG. 2 is a sectional view equivalent to the cross section in FIG. 1, and FIG. Figure 4 is a perspective view of the duct, Figures 5 and 6
The figures show one embodiment of the present invention, FIG. 5 is a perspective view of the duct, FIG. 6 is a sectional view equivalent to FIG. 1,
7 and 8 are sectional views corresponding to FIG. 1 showing other embodiments of the present invention, and FIGS. 9 and 10 are sectional views corresponding to FIG. 5 showing various aspects of the check valve, respectively. The sectional view and FIG. 11 are explanatory diagrams showing the procedure for installing the duct. A...Outer panel, B...Grill, 1...Duct, 2
...Horizontal pipe section, 21 ... Opening, 22 ... Mounting flange, 3 ... Upright pipe section, 31 ... Conduction hole, 4 ...
Check valve, 41... Valve seat, 42... Valve body, 5... Connection portion, 51... Step portion, 52... Rib.
Claims (1)
する直立管部とより成る車両用ダクトにおいて、 前記水平管部の奥端部の側部に前記直立管部の
下端部を中心線を偏位して接続し、前記水平管部
の奥端部と前記直立管部の下端部とで、前記水平
管部の管路の奥から横に屈曲する接続部を形成
し、 該接続部において、前記水平管部の奥壁を前記
直立管部の奥の管壁より先に延ばして位置させ、
該管壁と奥壁との間に前記水平管部の開口の方向
を向いた段部を形成し、 該段部より車内側の管路に逆止弁を設けたこと
を特徴とする車両用ダクト。[Scope of Claims] 1. A vehicle duct consisting of a horizontal pipe section having an opening to the outside of the vehicle and a standpipe section leading into the interior of the vehicle, wherein a lower end of the standpipe section is attached to the side of the rear end of the horizontal pipe section. The connecting portions are connected with their center lines offset from each other, and the inner end of the horizontal pipe portion and the lower end of the vertical pipe portion form a connecting portion that bends laterally from the back of the conduit of the horizontal pipe portion. , in the connecting part, the inner wall of the horizontal pipe part is extended beyond the inner pipe wall of the upright pipe part,
A vehicle, characterized in that a stepped portion is formed between the pipe wall and the back wall, and a step portion facing in the direction of the opening of the horizontal pipe portion is provided, and a check valve is provided in the pipe line on the inside of the vehicle from the stepped portion. duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16157581A JPS5863508A (en) | 1981-10-09 | 1981-10-09 | Duct for car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16157581A JPS5863508A (en) | 1981-10-09 | 1981-10-09 | Duct for car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5863508A JPS5863508A (en) | 1983-04-15 |
| JPS6229246B2 true JPS6229246B2 (en) | 1987-06-25 |
Family
ID=15737715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16157581A Granted JPS5863508A (en) | 1981-10-09 | 1981-10-09 | Duct for car |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5863508A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0399605U (en) * | 1990-01-31 | 1991-10-18 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS506041U (en) * | 1973-05-17 | 1975-01-22 | ||
| JPS50113142U (en) * | 1974-02-25 | 1975-09-16 |
-
1981
- 1981-10-09 JP JP16157581A patent/JPS5863508A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5863508A (en) | 1983-04-15 |
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