JP2001289472A - Ventilating opening - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ventilating opening which can relieve noise generated indoors or outdoors by means of a sound absorbing material and can prevent the scattering of the dust resulting from the deterioration of a sound absorbing material. SOLUTION: This ventilating opening which can relieve noise produced indoors or outdoors by means of the sound absorbing means 15 and can prevent the scattering of the dust resulting from the deterioration of the material 15 is constituted in such a way that an attaching plate 5 for a hood 7 is provided on the outdoor side of a frame 3 communicating with the inside and outside of a room and a net 8 is detachably attached to the lower opening 6 of the hood 7. In addition, the sound absorbing material 15 is provided on the internal surface of the hood 7 in a state where the material 15 is put in a bag 14.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は、室内側と連通する
換気ダクトの端部に取り付けられる形状で建物の壁部に
設けられる換気口に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation port provided on a wall of a building and attached to an end of a ventilation duct communicating with an indoor side.

【０００２】[0002]

【従来の技術】近年、室内の環境の良化を図るための換
気装置の普及にともない、室内と室外を連通する換気口
を壁部に設け、室内の汚染空気を換気口より室外に排気
していたが、室外の騒音が換気口を通り室内に伝わり不
快感を与えることがあり、騒音が室内に侵入するのを緩
和する要求が高まってきている。2. Description of the Related Art In recent years, with the spread of ventilators for improving the indoor environment, a ventilation port for communicating the interior and the exterior is provided on a wall portion, and contaminated air in the interior is exhausted from the ventilation aperture to the exterior. However, there is a case where noise outside the room passes through the ventilation opening and is transmitted to the inside of the room, giving a feeling of discomfort, and there is an increasing demand to reduce the noise from entering the room.

【０００３】従来、この種の換気口の一例として断熱材
により断熱性と防音性をもったものが特開平９−１６６
３４０号公報に記載され知られていた。以下、その構成
について図６を参照しながら説明する。Conventionally, as an example of this type of ventilation port, Japanese Patent Application Laid-Open No. 9-166 discloses a ventilation port having heat insulation and soundproofness by a heat insulating material.
It was described and known in JP-A-340. Hereinafter, the configuration will be described with reference to FIG.

【０００４】図に示すように、建物壁面に穿設した通気
孔１０１の開口部に設置可能な基台枠体１０２の通気孔
１０１を閉塞できるカバー体１０３を取り付け、基台枠
体１０２に通気孔１０１の開口縁部が壁面に対し略垂直
に突出する所定形状のフレーム部１０４を形成する一
方、カバー体１０３を基台枠体１０２に当接するととも
にフレーム部１０４に嵌合して通気を遮断できる閉塞位
置と、閉塞位置より前方に突出して通気を許容する開放
位置との間で移動可能に基台枠体１０２に支持し、カバ
ー体１０３の裏側略前面に断熱材１０５を配設してい
た。[0004] As shown in the figure, a cover 103 capable of closing the ventilation hole 101 of a base frame 102 that can be installed at the opening of the ventilation hole 101 formed in the wall of the building is attached. While the opening portion of the pore 101 forms a frame portion 104 having a predetermined shape projecting substantially perpendicularly to the wall surface, the cover body 103 abuts on the base frame body 102 and is fitted to the frame portion 104 to block the ventilation. The base frame 102 is movably supported between a closed position where it can be opened and an open position which projects forward from the closed position and allows ventilation, and a heat insulating material 105 is disposed substantially on the back side of the cover body 103. Was.

【０００５】そして、断熱材１０５としてはグラスウー
ルやロックウール、スタイロフォーム、発泡スチロール
等既存の各種断熱材を用いても構わないもので、断熱材
１０５を設けることにより、換気口を断熱化できると同
時に換気口を通して屋外から侵入する騒音を遮断し、防
音性を高めるように構成していた。As the heat insulating material 105, various existing heat insulating materials such as glass wool, rock wool, styrofoam, styrofoam and the like can be used. It was designed to block out noise entering from outside through the mouth and enhance soundproofing.

【０００６】[0006]

【発明が解決しようとする課題】このような従来の換気
口では、カバー体１０３の裏側略全面に設けられる断熱
材１０５に通風空気が直接接触し、断熱材１０５が経年
変化により表面が徐々に変化してはがれ、はがれた粒状
の断熱材１０５が室外に排出されたり、また室内側に給
気されて環境が悪化するという課題があった。In such a conventional vent, the ventilation air comes into direct contact with a heat insulating material 105 provided substantially on the entire back side of the cover body 103, and the heat insulating material 105 gradually changes its surface due to aging. There has been a problem that the changed and peeled and peeled granular heat insulating material 105 is discharged to the outside of the room or supplied to the inside of the room to deteriorate the environment.

【０００７】本発明は上記課題を解決するもので、室内
から室外、または室外から室内に洩れる騒音を極力少な
くするとともに、消音材が劣化し外部に塵や屑となって
放散されるのを防止し、環境の悪化を緩和することがで
きる換気口を提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and minimizes noise leaking from a room to an outdoor room or from an outdoor room to a room, and at the same time, prevents the sound deadening material from deteriorating and being scattered to the outside as dust and debris. It is another object of the present invention to provide a ventilation opening capable of mitigating environmental degradation.

【０００８】[0008]

【課題を解決するための手段】本発明の換気口において
は、室内と室外を連通する筒状のフレームと、このフレ
ームの室外側に設けられる取付板と、この取付板に取り
付けられる形状で下方に開口部を設けたフードと、この
フードの下方の開口部に着脱自在に設けられる網と、前
記フードの内面に設けられる消音材とを備え、前記消音
材を袋に入れた構成としたものである。According to the ventilating port of the present invention, a cylindrical frame communicating between the indoor and the outdoor, a mounting plate provided on the outdoor side of the frame, and a lower portion formed in a shape mounted on the mounting plate. A hood provided with an opening, a net provided detachably in the opening below the hood, and a muffler provided on the inner surface of the hood, wherein the muffler is put in a bag. It is.

【０００９】この本発明によれば、室内から室外、また
は室外から室内に洩れる騒音を極力少なくすることがで
きるとともに、消音材が劣化し、外部に塵や屑となって
放散されるのを防止し、環境の悪化を緩和できる換気口
を提供することができる。According to the present invention, it is possible to minimize the noise leaking from the room to the room or from the room to the room, and to prevent the sound deadening material from deteriorating and being scattered to the outside as dust and debris. In addition, it is possible to provide a ventilation port that can alleviate the deterioration of the environment.

【００１０】[0010]

【発明の実施の形態】本発明の請求項１に記載の発明
は、室内と室外を連通する筒状のフレームと、このフレ
ームの室外側に設けられる取付板と、この取付板に取り
付けられる形状で下方に開口部を設けたフードと、この
フードの下方の開口部に着脱自在に設けられる網と、前
記フードの内面に設けられる消音材とを備え、前記消音
材を袋に入れた構成としたものであり、フードの内面に
設けた消音材により、室内側で発生し室内側に向かい移
動した騒音は、消音材に衝突し消音され、室外側で発生
した騒音が室内側に侵入しようとする場合にも消音材に
衝突し消音されるとともに、消音材が袋により覆われて
いることにより消音材の劣化により発生した粉塵が散乱
するのが防止され環境の悪化するのが緩和されるという
作用を有する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to a cylindrical frame communicating between a room and an outdoor, a mounting plate provided on the outdoor side of the frame, and a shape mounted on the mounting plate. A hood provided with an opening below, a net detachably provided in the opening below the hood, and a muffler provided on the inner surface of the hood, wherein the muffler is put in a bag. Due to the sound deadening material provided on the inner surface of the hood, the noise generated inside the room and moved toward the indoor side collides with the sound deadening material and is silenced, and the noise generated outside the room tries to enter the indoor side. In this case, it is said that the muffler collides with the muffler and is muffled, and since the muffler is covered with the bag, the dust generated due to the deterioration of the muffler is prevented from being scattered and the deterioration of the environment is reduced. Has an action.

【００１１】以下、本発明の実施の形態について、図１
〜図５を参照しながら説明する。Hereinafter, an embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIGS.

【００１２】（実施の形態１）図１〜図３に示すよう
に、室内側と室外側を連通する通風路１を有した筒状で
室外側にフランジ部２を設けたフレーム３に、室外側に
向かい曲折した水切り部４を下方に有したフード７の取
付板５を設け、取付板５の室外側に前方が略円弧状で下
方に開口部６を設けたフード７を設け、開口部６の近傍
の取付板５には、開口部６に取り付けられる虫の侵入を
防止する網８の凸状の後端部９が係合する係合孔１０が
設けられ、また、フード７側には金網８を取り付ける取
り付けねじ１１の螺合するねじ孔１２を設けた取付部１
３を設けている。(Embodiment 1) As shown in FIGS. 1 to 3, a cylindrical frame 3 having an air passage 1 communicating between the indoor side and the outdoor side and having a flange portion 2 provided on the outdoor side is provided on a frame 3. An attachment plate 5 of a hood 7 having a drain portion 4 bent outward is provided below, and a hood 7 having a substantially arc-shaped front portion and an opening portion 6 provided below is provided outside the installation plate 5 on the outdoor side. The mounting plate 5 near the opening 6 is provided with an engaging hole 10 with which a convex rear end 9 of a net 8 for preventing insects attached to the opening 6 from invading. Is a mounting portion 1 provided with a screw hole 12 into which a mounting screw 11 for mounting the wire mesh 8 is screwed.
3 are provided.

【００１３】そして、フード７の内面には、薄いフッ素
フィルム１４ａで形成した袋１４に入れられた消音材１
５を着脱自在に設け構成する。On the inner surface of the hood 7, there is provided a silencing material 1 contained in a bag 14 formed of a thin fluorine film 14a.
5 is provided detachably.

【００１４】上記構成において、室内空気を換気すると
きに、換気扇（図示せず）で発生した騒音はフレーム３
の通風路１を通りフード７内に送られ、フード７の内面
に設けた消音材１５を覆った袋１４を通り消音材１５に
衝突して消音され、送られてきた空気は下方の開口部６
に設けた網８を通り室外に換気される。In the above configuration, when the room air is ventilated, the noise generated by the ventilation fan (not shown) is
Is passed into the hood 7 through the ventilation passage 1, and passes through the bag 14 covering the muffler 15 provided on the inner surface of the hood 7 so as to collide with the muffler 15 and be silenced. 6
Is ventilated out of the room through the net 8 provided in the room.

【００１５】また、室外側で発生した騒音は、網８を通
りフード７内に入り、フード７の内面に設けた袋入りの
消音材１５の袋１４を通り消音材１５に衝突して消音さ
れ、フレーム３の通風路１を通って室内に放散される騒
音が緩和される。The noise generated on the outside of the room enters the hood 7 through the net 8, passes through the bag 14 of the silencing material 15 in the bag provided on the inner surface of the hood 7, and collides with the silencing material 15 to be silenced. The noise radiated into the room through the ventilation path 1 of the frame 3 is reduced.

【００１６】そして、消音材１５を新しいものと交換す
るときには、開口部６に設けた網８を取り付けねじ１１
を緩めて取り外し、袋１４に入れられた状態の消音材１
５を取り外し、新しいものと交換し、網８を元通りに取
り付けて完了する。When replacing the silencer 15 with a new one, the mesh 8 provided in the opening 6 is attached to the mounting screw 11.
Sound-absorbing material 1 in a state in which
5 is removed, replaced with a new one, and the net 8 is attached again to complete.

【００１７】このように本発明の実施の形態１の換気口
では、室内と室外を連通する筒状のフレーム３と、この
フレーム３の室外側に設けられる下方に水切り部４を有
したフードの取付板５と、フード７の下方の開口部６に
着脱自在に設けられる網８と、フード７の内面に設けら
れる消音材１５とを備え、消音材１５を袋１４に入れた
構成としたので、室内側で発生した騒音はフレーム３の
通風路１を通りフード７内に送られたときにフード７に
設けた消音材１５に衝突して消音され、室外側からの騒
音は、フード７の開口部６からフード７内に入り、フー
ド７に設けた消音材１５に衝突して消音される。As described above, in the ventilation opening according to the first embodiment of the present invention, the cylindrical frame 3 communicating between the room and the outside, and the hood having the drain portion 4 provided below the frame 3 on the outside of the room are provided. The mounting plate 5, the net 8 removably provided in the opening 6 below the hood 7, and the muffler 15 provided on the inner surface of the hood 7 are provided, and the muffler 15 is placed in the bag 14. When the noise generated on the indoor side is sent into the hood 7 through the ventilation path 1 of the frame 3, the noise collides with a sound deadening material 15 provided on the hood 7 and is silenced. The sound enters the hood 7 through the opening 6 and collides with the sound deadening material 15 provided on the hood 7 to be muffled.

【００１８】そして、消音材１５が袋１４に入れられる
ことにより消音材１５が劣化しても消音材１５による粉
塵は袋１４外に漏れることがなくなり、室外に放散され
て汚染することが防止できる。Even if the sound deadening material 15 is put into the bag 14, even if the sound deadening material 15 is deteriorated, the dust due to the sound deadening material 15 does not leak out of the bag 14, and can be prevented from being scattered outside the room and contaminated. .

【００１９】また、袋１４に入れた消音材１５をフード
７に着脱自在に設けたので、消音材１５の交換時に消音
材１５が散乱することがなくなり消音材１５の交換が容
易となる。Further, since the muffler 15 placed in the bag 14 is detachably provided on the hood 7, the muffler 15 is not scattered when the muffler 15 is replaced, so that the muffler 15 can be easily replaced.

【００２０】また、袋１４を薄いフッ素フィルム１４ａ
で形成したことにより、気候等の変化による劣化が少な
くなり袋１４自体の耐候性が高まり、袋１４の劣化によ
る破損等を防止することができるとともに消音材１５の
性能が低下するのを防止できる。Further, the bag 14 is made of a thin fluorine film 14a.
In this case, deterioration due to changes in climate or the like is reduced, the weather resistance of the bag 14 itself is increased, and damage or the like due to deterioration of the bag 14 can be prevented, and the performance of the sound deadening material 15 can be prevented from lowering. .

【００２１】（実施の形態２）図４に示すように、袋１
４Ａを空気は透過するが水は透過しない膜１６で形成し
消音材１５を覆う構成とする。(Embodiment 2) As shown in FIG.
4A is formed of a film 16 that allows air to pass through but does not allow water to pass through, and covers the silencing material 15.

【００２２】このように本発明の実施の形態２の換気口
は、袋１４Ａを空気は透過するが水は透過しない膜１６
で形成したので、膜１６の表面を流れる空気中の水分が
消音材１５に添加されることがなくなり、消音材１５が
水分を含むことにより消音性能が低下するのが防止でき
る。As described above, the ventilation port according to the second embodiment of the present invention is provided with the membrane 16 that allows air to pass through the bag 14A but not water.
Therefore, the moisture in the air flowing on the surface of the film 16 is not added to the silencing material 15, and the silencing material 15 can be prevented from being deteriorated due to the moisture content.

【００２３】（実施の形態３）図５に示すように、袋１
４Ｂを多孔質性のフィルムを複数積層した多孔質積層膜
１７で形成し、消音材１５を覆う構成とする。(Embodiment 3) As shown in FIG.
4B is formed of a porous laminated film 17 formed by laminating a plurality of porous films, and covers the sound absorbing material 15.

【００２４】このように本発明の実施の形態３の換気口
によれば、袋１４Ｂを多孔質積層膜１７で形成したの
で、多孔質の膜が重なり合うことにより、多くの孔によ
る空気の孔が小さく形成されることとなり、騒音による
音波以外の物質が多孔質積層膜１７を通過することがで
きなくなり、内部の消音材１５が劣化するのが防止でき
るとともに、破れにくい強固な袋１４Ｂを得ることがで
きる。As described above, according to the ventilation opening of the third embodiment of the present invention, since the bag 14B is formed of the porous laminated film 17, the air holes formed by many holes are formed by overlapping the porous films. Since it is formed small, substances other than sound waves due to noise cannot pass through the porous laminated film 17, thereby preventing the internal sound deadening material 15 from deteriorating and obtaining a strong bag 14B that is difficult to tear. Can be.

【００２５】[0025]

【発明の効果】以上の実施例から明らかなように、本発
明によれば、室内と室外を連通する筒状のフレームと、
このフレームの室外側に設けられる取付板と、この取付
板に取り付けられる形状で下方に開口部を設けたフード
と、このフードの下方の開口部に着脱自在に設けられる
網と、前記フードの内面に設けられる消音材とを備え、
前記消音材を袋に入れた構成としたので、室内または室
外に発生した騒音を消音材により緩和できるとともに、
消音材の劣化による粉塵が散乱するのを防止して環境の
悪化するのを防止できる換気口を提供できる。As is apparent from the above embodiments, according to the present invention, a cylindrical frame communicating between the room and the outside is provided.
A mounting plate provided on the outdoor side of the frame, a hood having a shape attached to the mounting plate and having a lower opening, a net detachably provided in the lower opening of the hood, and an inner surface of the hood With a muffler provided in the
Since the silencing material is configured in a bag, noise generated indoors or outdoors can be reduced by the silencing material,
It is possible to provide a ventilation opening capable of preventing dust from being scattered due to deterioration of the sound deadening material and preventing deterioration of the environment.

【００２６】また、袋に入れた消音材をフードに着脱自
在に設けたので、消音材を散乱させることなく容易に消
音材を交換することができる。Further, since the muffler put in the bag is detachably provided on the hood, the muffler can be easily replaced without scattering the muffler.

【００２７】また、袋を薄いフッ素フィルムで形成した
ので、袋の耐候性が良くなり袋の破損を防止できる。Further, since the bag is formed of a thin fluorine film, the bag has improved weather resistance and can be prevented from being damaged.

【００２８】また、袋を空気は透過するが水は透過しな
い膜で形成したので、消音材が水分を含むことにより消
音性能が低下するのを防止できる。Further, since the bag is formed of a film that allows air to pass through but does not allow water to pass through, it is possible to prevent the sound deadening material from containing moisture, thereby lowering the sound deadening performance.

【００２９】また、袋を多孔質積層膜で形成したので、
消音性能が低下するのを防止することができるとともに
袋を破れにくく強固に形成することができる。Since the bag is formed of a porous laminated film,
The noise reduction performance can be prevented from lowering, and the bag can be hardly broken and can be formed firmly.

【図面の簡単な説明】[Brief description of the drawings]

【図１】本発明の実施の形態１の換気口の構成を示す断
面図FIG. 1 is a cross-sectional view illustrating a configuration of a ventilation port according to a first embodiment of the present invention.

【図２】同換気口の正面図FIG. 2 is a front view of the ventilation opening.

【図３】同換気口に使用される消音材の一部破断した斜
視図FIG. 3 is a partially broken perspective view of a sound deadening material used in the ventilation opening.

【図４】本発明の実施の形態２の換気口に使用される消
音材の一部破断した斜視図FIG. 4 is a partially cutaway perspective view of a sound deadening material used for a vent according to a second embodiment of the present invention.

【図５】本発明の実施の形態３の換気口に使用される消
音材の一部破断した斜視図FIG. 5 is a partially cutaway perspective view of a sound deadening material used for a vent according to a third embodiment of the present invention.

【図６】従来の換気口の構成を示す断面図FIG. 6 is a cross-sectional view showing the configuration of a conventional vent.

【符号の説明】[Explanation of symbols]

１ 通風路 ３ フレーム ４ 水切り部 ５ 取付板 ６ 開口部 ７ フード ８ 網 １４ 袋 １４Ａ 袋 １４Ｂ 袋 １４ａ フッ素フィルム １５ 消音材 １６ 膜 １７ 多孔質積層膜 Reference Signs List 1 ventilation passage 3 frame 4 drainer 5 mounting plate 6 opening 7 hood 8 net 14 bag 14A bag 14B bag 14a fluorine film 15 sound deadening material 16 film 17 porous laminated film

Claims (5)

【特許請求の範囲】[Claims] 【請求項１】 室内と室外を連通する筒状のフレーム
と、このフレームの室外側に設けられる取付板と、この
取付板に取り付けられる形状で下方に開口部を設けたフ
ードと、このフードの下方の開口部に着脱自在に設けら
れる網と、前記フードの内面に設けられる消音材とを備
え、前記消音材を袋に入れた構成とした換気口。1. A tubular frame communicating between the room and the outside, a mounting plate provided on the outdoor side of the frame, a hood having a shape attached to the mounting plate and having an opening below, and a hood of the hood. A ventilation opening, comprising: a net detachably provided in a lower opening portion; and a muffler provided on an inner surface of the hood, wherein the muffler is placed in a bag. 【請求項２】 袋に入れた消音材をフードに着脱自在に
設けた請求項１記載の換気口。2. The vent according to claim 1, wherein the muffler put in the bag is detachably provided on the hood. 【請求項３】 袋を薄いフッ素フィルムで形成した請求
項１または２記載の換気口。3. The vent according to claim 1, wherein the bag is formed of a thin fluorine film. 【請求項４】 袋を空気は透過するが水は透過しない膜
で形成した請求項１または２記載の換気口。4. The ventilation opening according to claim 1, wherein the bag is formed of a film that allows air to pass through but does not allow water to pass through. 【請求項５】 袋を多孔質積層膜で形成した請求項１ま
たは２記載の換気口。5. The vent according to claim 1, wherein the bag is formed of a porous laminated film.