JP2012102963A - Vent cap for ventilation - Google Patents

Vent cap for ventilation Download PDF

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JP2012102963A
JP2012102963A JP2010253443A JP2010253443A JP2012102963A JP 2012102963 A JP2012102963 A JP 2012102963A JP 2010253443 A JP2010253443 A JP 2010253443A JP 2010253443 A JP2010253443 A JP 2010253443A JP 2012102963 A JP2012102963 A JP 2012102963A
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Prior art keywords
ventilation
outdoor
vent cap
main body
ceiling
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JP2010253443A
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JP5747152B2 (en
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Takashi Yokoyama
隆 横山
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Panasonic Corp
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Panasonic Corp
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Priority to JP2010253443A priority Critical patent/JP5747152B2/en
Priority to CN201180047355.0A priority patent/CN103140719B/en
Priority to US13/704,028 priority patent/US20130090053A1/en
Priority to PCT/JP2011/006075 priority patent/WO2012063427A1/en
Publication of JP2012102963A publication Critical patent/JP2012102963A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/02—Roof ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/082—Grilles, registers or guards
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F2007/0025—Ventilation using vent ports in a wall

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Building Environments (AREA)

Abstract

PROBLEM TO BE SOLVED: To prevent an outside wall 1 and a ceiling 19 under eaves from contaminated when the air in a room 2 is exhausted to the outdoor 3, and to suppress degradation of ventilation performance by reducing a pressure loss.SOLUTION: In a vent cap 18 for ventilation which contains a shield part 8, a cover part 10 which blocks ventilation is provided to a part of a ventilation passage 9. The thickness increases, on the room 2 side, as advances toward a part which is different from the center of the shield part 8, starting from an outer peripheral edge 11 of the shield part 8, to provide a protruding part 14 having an apex of the thickness. Consequently, even if the air exhausted from the room 2 is contaminated, the ceiling 19 under eaves and the outside wall 1 are prevented from contaminated by the exhaust. Further, in the vent cap 18 for ventilation, thanks to the position of the apex 13 of the protruding part 14, an exhaust stream 17 is suppressed from advancing toward the cover part 10. Since the exhaust stream 17 is efficiently discharged to the outdoor 3, a pressure loss is reduced, and decrease of the ventilation air volume is prevented.

Description

本発明は、住宅等の室内空気を室外に換気するときに、建物の外壁部分に設置される換気用ベントキャップに関するものである。   The present invention relates to a vent cap for ventilation installed on an outer wall portion of a building when indoor air of a house or the like is ventilated outside the room.

従来、この種の換気用ベントキャップとして室内側に風雨の吹き込みを防止する遮蔽板を設けた換気用ベントキャップが知られている（例えば、特許文献１参照）。   Conventionally, as this type of ventilation vent cap, a ventilation vent cap provided with a shielding plate for preventing the blowing of wind and rain on the indoor side is known (for example, see Patent Document 1).

以下、その換気用ベントキャップについて図４を参照しながら説明する。   The ventilation vent cap will be described below with reference to FIG.

図４に示すように、建物の壁１０１に設けられた通風口に装着され、室内１０２と室外１０３を連通する開口を有するダクト接続部１０４と、このダクト接続部１０４の室外１０３側に取り付けられる取付部１０５に前記ダクト接続部１０４の開口に連通する開口を有し、この取付部１０５の開口の周辺に複数の支脚１０６を設けた本体１０７と、この本体１０７の支脚１０６に取り付けられた風雨侵入防止の防風板１０８とで構成され、壁１０１に取り付けられた時、前記本体１０７の上方部となる箇所に整流手段１０９を設けている。   As shown in FIG. 4, the duct connecting portion 104 is attached to a ventilation opening provided on the wall 101 of the building and has an opening for communicating the indoor 102 and the outdoor 103, and is attached to the outdoor 103 side of the duct connecting portion 104. The attachment portion 105 has an opening communicating with the opening of the duct connection portion 104, a main body 107 provided with a plurality of support legs 106 around the opening of the attachment portion 105, and wind and rain attached to the support legs 106 of the main body 107. A rectifying means 109 is provided at a location above the main body 107 when it is attached to the wall 101.

特開平１１−１３２５１３号公報（段落００８、図８）JP-A-11-132513 (paragraph 008, FIG. 8)

このような従来の換気用ベントキャップにおいて、特許文献１に記載された換気用ベントキャップでは、換気をすると、取付部１０５の開口から排出される排気流１１２は開口の正面にある防風板１０８に当り、防風板１０８と本体１０７の間から上下左右に排出される。   In such a conventional vent vent cap, in the vent vent cap described in Patent Document 1, when ventilation is performed, the exhaust flow 112 discharged from the opening of the mounting portion 105 is directed to the windbreak plate 108 in front of the opening. It hits and is discharged vertically and horizontally from between the windbreak plate 108 and the main body 107.

本体１０７の上部へ流れる排気流１１２は上方に整流手段１０９が設けられているため、排気流１１２は整流手段１０９の先端で絞られるとともに整流手段１０９の上面付近の空間部１１０が負圧になって、排気流１１２はこの空間部１１０に巻き込まれて上方への吹出しが弱くなって流れ、軒下の天井１１１に届かず、軒下の天井１１１を汚すのをいくらかは低減できる。しかし、防風板１０８の上方部において、軒下の天井１１１に対し垂直に向かう風が発生しているため、換気用ベントキャップが軒下の天井１１１の近くに設置されたときは、防風板１０８に当たり軒下の天井１１１に垂直に向かう排気流１１２によって軒下の天井１１１が汚れてしまう。   Since the exhaust flow 112 flowing to the upper part of the main body 107 is provided with the rectifying means 109 on the upper side, the exhaust flow 112 is throttled at the tip of the rectifying means 109 and the space 110 near the upper surface of the rectifying means 109 becomes negative pressure. Thus, the exhaust air flow 112 is caught in the space portion 110 and flows upward with weak blowing, and does not reach the ceiling 111 under the eaves, and it is possible to reduce some of the contamination of the ceiling 111 under the eaves. However, since the wind directed vertically to the ceiling 111 under the eaves is generated in the upper part of the windbreak plate 108, when the ventilation vent cap is installed near the ceiling 111 under the eaves, The ceiling 111 under the eaves is soiled by the exhaust flow 112 directed vertically to the ceiling 111 of the eaves.

また、整流手段１０９が防風板１０８の外周より内側に位置しているため、空間部１１０に風が巻き込まれる現象が発生し、排気流１１２は壁面１０１ａに向かっても流れ、換気用ベントキャップの上方の壁面１０１ａが汚れてしまうという課題があった。   Further, since the rectifying means 109 is located on the inner side of the outer periphery of the windbreak plate 108, a phenomenon occurs in which the wind is caught in the space 110, and the exhaust flow 112 also flows toward the wall surface 101a. There was a problem that the upper wall surface 101a would become dirty.

そして、近年、マンション等に設置される換気用ベントキャップにおいて、その設置位置は軒下の天井１１１近傍に設置されることが多くなってきている。そのため、室内１０２の換気をする際に、換気用ベントキャップから排出される排気流１１２が汚れていると、軒下の天井１１１に垂直に向かう排気流によって、軒下の天井１１１が汚れてしまうという事態が起こっていた。   In recent years, ventilation vent caps installed in condominiums and the like are often installed near the ceiling 111 under the eaves. Therefore, when ventilating the room 102, if the exhaust flow 112 discharged from the ventilation vent cap is dirty, the exhaust 111 flowing vertically to the ceiling 111 under the eaves may cause the ceiling 111 under the eaves to become dirty. Was happening.

また、軒下の天井１１１への汚れ防止のために整流手段１０９を大きくすると、換気用ベントキャップの圧力損失が大きくなり、換気性能が著しく低下するという課題があった。   In addition, when the rectifying means 109 is enlarged in order to prevent dirt on the ceiling 111 under the eaves, there is a problem that the pressure loss of the vent cap for ventilation becomes large and the ventilation performance is remarkably lowered.

そこで本発明は、上記従来の課題を解決するものであり、換気用のベントキャップを軒下の天井の下側近傍の壁に設置する場合において、ベントキャップから排出される空気によって壁および軒下の天井が汚れることを防止することができ、圧力損失の低下を低減し、換気性能の低下を抑える換気用ベントキャップを提供することを目的とする。   Therefore, the present invention solves the above-described conventional problems, and when a vent cap for ventilation is installed on a wall near the lower side of the ceiling under the eaves, the wall and the ceiling under the eaves are discharged by the air discharged from the vent cap. An object of the present invention is to provide a vent cap for ventilation that can prevent contamination of the air, reduces a decrease in pressure loss, and suppresses a decrease in ventilation performance.

そして、この目的を達成するために、本発明は、建物の外壁内に設けられて室内側と室外側を連通するダクト内に嵌挿される本体筒部と、本体筒部の室外側端面に支持部材７を介して室外側に設けられる遮蔽部を備え、本体筒部の室外側端面と遮蔽部との空間でなる通風路を有し、通風路の一部に通風路の一部の通風を遮るカバー部を設け、遮蔽部は遮蔽部の外周縁から遮蔽部の中心とは異なる部分に向かうにしたがって室内側に厚みが増加し、その厚みの頂点を有した突形状部を設けたこととしたものであり、これにより所期の目的を達成するものである。   In order to achieve this object, the present invention provides a main body cylinder portion that is provided in the outer wall of the building and is inserted into a duct that communicates the indoor side with the outdoor side, and is supported on the outdoor end surface of the main body cylindrical portion. A shielding portion provided on the outdoor side through the member 7 is provided, and has a ventilation path formed by a space between the outdoor side end surface of the main body cylinder portion and the shielding portion, and a part of the ventilation path is provided with a part of the ventilation path. Provided a cover part that shields, and the shield part increased in thickness toward the indoor side from the outer peripheral edge of the shield part toward a part different from the center of the shield part, and provided with a projecting shape part having the apex of the thickness In this way, the intended purpose is achieved.

本発明によれば、建物の外壁内に設けられて室内側と室外側を連通するダクト内に嵌挿される本体筒部と、本体筒部の室外側端面に支持部材７を介して室外側に設けられる遮蔽部を備え、本体筒部の室外側端面と遮蔽部との空間でなる通風路を有し、通風路の一部に通風路の一部の通風を遮るカバー部を設け、遮蔽部は遮蔽部の外周縁から遮蔽部の中心とは異なる部分に向かうにしたがって室内側に厚みが増加し、その厚みの頂点を有した突形状部を設けた構成にしたことにより、室内からの空気が汚れを含んだ排気流であっても、その排気流はカバー部によって排気が軒下の天井側に流れないため、軒下の天井への汚れを防止できる。   According to the present invention, a main body cylinder portion that is provided in an outer wall of a building and is fitted and inserted into a duct that communicates between the indoor side and the outdoor side, and on the outdoor side end surface of the main body cylinder portion on the outdoor side via the support member 7. Provided with a shielding part, provided with a ventilation path formed by a space between the outdoor side end face of the main body cylinder part and the shielding part, and provided with a cover part for shielding a part of the ventilation path in a part of the ventilation path, The thickness increases on the indoor side from the outer peripheral edge of the shielding portion toward a portion different from the center of the shielding portion, and the projecting shape portion having the apex of the thickness is provided. Even if the exhaust flow contains dirt, since the exhaust does not flow to the ceiling side under the eaves by the cover part, the dirt on the ceiling under the eaves can be prevented.

また、突形状部により、排気流をカバー部方向に流れるのを抑制するので、カバー部付近の排気流の乱流を防ぐことができるので、圧力損失を低減し、換気性能の低下を抑えることができるという効果を得ることができる。   In addition, the projecting shape part prevents the exhaust flow from flowing in the direction of the cover part, so it is possible to prevent turbulent exhaust flow near the cover part, thereby reducing pressure loss and reducing ventilation performance. It is possible to obtain the effect that

本発明の実施の形態１の換気用ベントキャップの構成および排気流の流れを示す断面図Sectional drawing which shows the structure of the vent cap for ventilation of Embodiment 1 of this invention, and the flow of exhaust flow 同換気用ベントキャップの構成および排気流の流れを示す斜視図The perspective view which shows the structure of the vent cap for ventilation, and the flow of an exhaust flow 同換気用ベントキャップの設置状態を示す正面図Front view showing the installation state of the ventilation vent cap 従来の換気用ベントキャップの構成を示す断面図Sectional drawing which shows the structure of the vent vent cap for the conventional ventilation

本発明の請求項１記載の換気用ベントキャップは、建物の外壁内に設けられて室内側と室外側を連通するダクト内に嵌挿される本体筒部と、本体筒部の室外側端面に支持部材７を介して室外側に設けられる遮蔽部を備え、本体筒部の室外側端面と遮蔽部との空間でなる通風路を有し、通風路の一部に通風路の一部の通風を遮るカバー部を設け、遮蔽部は遮蔽部の外周縁から遮蔽部の中心とは異なる部分に向かうにしたがって室内側に厚みが増加し、その厚みの頂点を有した突形状部を設けた構成を有する。   The ventilation vent cap according to claim 1 of the present invention is provided in the outer wall of the building and is inserted into a duct communicating with the indoor side and the outdoor side, and is supported on the outdoor end face of the main body cylindrical portion. A shielding portion provided on the outdoor side through the member 7 is provided, and has a ventilation path formed by a space between the outdoor side end surface of the main body cylinder portion and the shielding portion, and a part of the ventilation path is provided with a part of the ventilation path. A structure is provided in which a cover portion is provided, the thickness of the shielding portion increases toward the indoor side from the outer peripheral edge of the shielding portion toward a portion different from the center of the shielding portion, and a protruding portion having a vertex of the thickness is provided. Have.

これにより、室内からの空気が汚れを含んだ排気流であっても、その排気流はカバー部によって排気が軒下の天井側に流れないため、軒下の天井への汚れを防止でき、かつ、突形状部により、排気流をカバー部方向に流れるのを抑制するので、カバー部付近の排気流の乱流を防ぐことができるので、圧力損失を低減し、換気性能の低下を抑えることができるという効果を奏する。   As a result, even if the air from the room is an exhaust flow containing dirt, the exhaust flow does not flow to the ceiling side under the eaves by the cover part, so that the ceiling can be prevented from being contaminated. The shape part suppresses the exhaust flow from flowing in the direction of the cover part, so that the turbulent flow of the exhaust flow near the cover part can be prevented, so that the pressure loss can be reduced and the deterioration of the ventilation performance can be suppressed. There is an effect.

また、突形状の頂点の位置を本体筒部の室外側開口部よりもカバー側に設けるという構成にしてもよい。これにより、排気風がカバーの方向に向かうのを抑制し、排気風の乱流の発生を防止し、効率よく室外に排出できるので、圧力損失がよくなり、換気風量の低下を防止できるという効果を奏する。   Moreover, you may make it the structure which provides the position of the vertex of a protrusion shape in the cover side rather than the outdoor side opening part of a main body cylinder part. As a result, it is possible to prevent the exhaust air from moving in the direction of the cover, prevent the occurrence of turbulence of the exhaust air, and efficiently exhaust it to the outside of the room, thereby improving the pressure loss and preventing the reduction of the ventilation air flow. Play.

以下、本発明の実施の形態について図面を参照しながら説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

（実施の形態１）
図１〜図３に示すように、建物の外壁１内に設けられて室内２側と室外３側を連通するダクト４内に嵌挿される本体筒部５と、本体筒部５の室外側端面６に支持部材７を介して室外３側に設けられる遮蔽部８を備え、本体筒部５の室外側端面６と遮蔽部８との空間でなる通風路９を有し、通風路９の一部に通風路９の一部の通風を遮るカバー部１０を設け、遮蔽部８は遮蔽部８の外周縁１１から遮蔽部８の中心１２とは異なる部分に向かうにしたがって室内２側に厚みが増加し、その頂点１３を有した突形状部１４を設けるという構成としている。外周縁１１の近傍では、遮蔽部８の室外３側面と突形状部１４とでなる角度をθとしている。 (Embodiment 1)
As shown in FIGS. 1 to 3, a main body cylinder portion 5 that is provided in the outer wall 1 of the building and is inserted and inserted into a duct 4 that communicates between the indoor 2 side and the outdoor 3 side, and an outdoor end face of the main body cylinder portion 5 6 is provided with a shielding portion 8 provided on the outdoor 3 side through a support member 7, and has a ventilation path 9 formed by a space between the outdoor side end surface 6 of the main body cylinder portion 5 and the shielding portion 8. The cover part 10 which interrupts the ventilation of a part of the ventilation path 9 is provided in the part, and the thickness of the shielding part 8 increases toward the indoor 2 side from the outer peripheral edge 11 of the shielding part 8 toward a different part from the center 12 of the shielding part 8. The projecting portion 14 having the apex 13 is provided. In the vicinity of the outer peripheral edge 11, the angle formed by the three outdoor side surfaces of the shielding portion 8 and the protruding portion 14 is θ.

また、突形状部１４の頂点１３の位置を本体筒部５の室外側開口部１５の最上部点１６よりもカバー部１０側に設けている。   Further, the position of the apex 13 of the protruding portion 14 is provided closer to the cover portion 10 than the uppermost point 16 of the outdoor opening 15 of the main body cylinder portion 5.

上記構成において、換気をすると、室内２の汚れた空気は本体筒部５を通り、遮蔽部８付近に近づくと、遮蔽部８の突形状部１４の面に沿って外周方向に流され、排気流１７が遮蔽部８の外周縁１１に位置する通風路９から出る際には、
排気流１７は外周縁１１の角度成分θを維持したまま、外壁面１ａから離れる方向に向かって流れる。このため、室内２からの排出される排気流１７が汚れていても、その排気流１７は遮蔽部８の外周縁１１に位置する通風路９から出る際に反外壁面１ａ側に流れ、排気流１７が外壁面１ａに当たらないので、排気流１７によって外壁面１ａが汚れるのを防止できることとなる。 In the above configuration, when ventilation is performed, dirty air in the room 2 passes through the main body cylinder portion 5 and approaches the vicinity of the shielding portion 8, and then flows in the outer peripheral direction along the surface of the projecting shape portion 14 of the shielding portion 8. When the flow 17 exits the ventilation path 9 located at the outer peripheral edge 11 of the shielding part 8,
The exhaust flow 17 flows in a direction away from the outer wall surface 1a while maintaining the angular component θ of the outer peripheral edge 11. For this reason, even if the exhaust flow 17 discharged from the room 2 is dirty, the exhaust flow 17 flows toward the non-outer wall surface 1a when exiting the ventilation path 9 located at the outer peripheral edge 11 of the shielding portion 8, Since the flow 17 does not hit the outer wall surface 1a, the exhaust wall 17 can prevent the outer wall surface 1a from being contaminated.

また、図２に示すように通風路９の一部にカバー部１０を設けており、このカバー部１０の位置を換気用ベントキャップ１８の上部側、すなわち図３に示す軒下の天井１９側に位置させることにより、換気用ベントキャップ１８が軒下の天井１９の近傍の設けられても、図２に示すように通風路９の上部がカバー部１０で塞がっているため、排気流１７が上方に流れることがないため、汚れた排気流１７が軒下の天井１９に当たらなくなり、軒下の天井１９が図２に示すように汚れるのを防止できる。   Further, as shown in FIG. 2, a cover portion 10 is provided in a part of the ventilation path 9, and the position of the cover portion 10 is located on the upper side of the ventilation vent cap 18, that is, on the ceiling 19 side below the eaves shown in FIG. Even if the ventilation vent cap 18 is provided in the vicinity of the ceiling 19 under the eaves, the upper portion of the ventilation path 9 is blocked by the cover portion 10 as shown in FIG. Since it does not flow, the dirty exhaust flow 17 does not hit the ceiling 19 under the eaves, and the ceiling 19 under the eaves can be prevented from being dirty as shown in FIG.

さらに、突形状部の頂点１３の位置が本体筒部５の室外側開口部１５の最上部点１６よりもカバー部１０側に設けていて、最上部点１６の付近は室外側端面６との距離が最も近くなっている構成となっており、かつその場所が本体筒部５の室外側開口部１５より上（換気用ベントキャップ１８の軒下の天井１９側）となっているので、排気流１７はこの最上部点１６と室外側端面６の間には流れにくくなるので、排気流１７はカバー部１０側に流れるのを抑制される。このため、カバー部１０付近の排気流１７の乱流を防ぐことができるので、排気流１７は効率よく流れるので、圧力損失を低減し、換気性能の低下を抑えることができるという効果を得ることができる。   Further, the position of the apex 13 of the projecting shape portion is provided on the cover portion 10 side with respect to the uppermost point 16 of the outdoor opening 15 of the main body cylinder portion 5, and the vicinity of the uppermost point 16 is in contact with the outdoor end surface 6. Since the distance is the shortest and the location is above the outdoor opening 15 of the main body cylinder portion 5 (the ceiling 19 side under the eaves of the vent cap 18 for ventilation), the exhaust flow Since 17 becomes difficult to flow between this uppermost point 16 and the outdoor end surface 6, it is suppressed that the exhaust flow 17 flows into the cover part 10 side. For this reason, since the turbulent flow of the exhaust flow 17 in the vicinity of the cover portion 10 can be prevented, the exhaust flow 17 flows efficiently, so that an effect of reducing pressure loss and suppressing a decrease in ventilation performance can be obtained. Can do.

本発明にかかるベントキャップは、排気流による外壁の汚れ防止ができるという効果を有し、建物の外壁に装着される屋外フード等に有用である。   The vent cap according to the present invention has an effect of preventing the outer wall from being contaminated by the exhaust flow, and is useful for an outdoor hood or the like attached to the outer wall of a building.

１ 外壁
２ 室内
３ 室外
４ ダクト
５ 本体筒部
６ 室外側端面
７ 支持部材
８ 遮蔽部
９ 通風路
１０ カバー部
１１ 外周縁
１２ 中心
１３ 頂点
１４ 突形状部
１５ 室外側開口部
１６ 最上部点 DESCRIPTION OF SYMBOLS 1 Outer wall 2 Indoor 3 Outdoor 4 Duct 5 Main body cylinder part 6 Outdoor side end surface 7 Support member 8 Shielding part 9 Ventilation path 10 Cover part 11 Outer periphery 12 Center 13 Vertex 14 Projection shape part 15 Outdoor side opening part 16 Topmost point

Claims (2)

建物の外壁内に設けられて室内側と室外側を連通するダクト内に嵌挿される本体筒部と、本体筒部の室外側端面に支持部材７を介して室外側に設けられる遮蔽部を備え、本体筒部の室外側端面と遮蔽部との空間でなる通風路を有し、通風路の一部に通風路の一部の通風を遮るカバー部を設け、遮蔽部は遮蔽部の外周縁から遮蔽部の中心とは異なる部分に向かうにしたがって室内側に厚みが増加し、その厚みの頂点を有した突形状部を設けることを特徴とする換気用ベントキャップ。 A main body cylinder portion provided in the outer wall of the building and fitted in a duct communicating the indoor side and the outdoor side, and a shielding portion provided on the outdoor side end face of the main body cylinder portion via the support member 7 The air passage having a space between the outdoor side end face of the main body cylinder portion and the shielding portion, and a cover portion for blocking a part of the ventilation passage is provided in a part of the air passage, and the shielding portion is an outer peripheral edge of the shielding portion. Ventilation vent cap, characterized in that the thickness increases on the indoor side toward the portion different from the center of the shielding portion, and a protruding portion having the apex of the thickness is provided. 突形状部の頂点の位置を本体筒部の室外側開口部の最上部点よりもカバー側に設けることを特徴とした請求項１記載の換気用ベントキャップ。 The ventilation vent cap according to claim 1, wherein the position of the apex of the protruding portion is provided on the cover side of the uppermost point of the outdoor opening of the main body cylinder portion.
JP2010253443A 2010-11-12 2010-11-12 Vent cap for ventilation Active JP5747152B2 (en)

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JP2010253443A JP5747152B2 (en) 2010-11-12 2010-11-12 Vent cap for ventilation
CN201180047355.0A CN103140719B (en) 2010-11-12 2011-10-31 Ventilation vent cap
US13/704,028 US20130090053A1 (en) 2010-11-12 2011-10-31 Ventilation vent cap
PCT/JP2011/006075 WO2012063427A1 (en) 2010-11-12 2011-10-31 Ventilation vent cap

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CN103140719B (en) 2016-05-04
WO2012063427A1 (en) 2012-05-18
JP5747152B2 (en) 2015-07-08
US20130090053A1 (en) 2013-04-11

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