JP2006316448A - Ventilation ridge structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ventilation ridge structure capable of developing effects against the entry of rain water, harmful insects, dirt, and powder snow and securing sufficient permeability. <P>SOLUTION: In this ventilation ridge structure, a lower draining 3, an upper draining 4, and a porous body 2 are fitted to each of both side ridge top side parts facing an opening part 10 at the ridge top part of a roof sheathing roof board 1, and a ridge packaging member 5 is installed from their upper side. The porous body 2 is formed in a cylindrical porous plate shape having long pores in cross section. The communication direction of the pores is positioned along the direction of the gradient of the ridge so as to form a space part 21 partitioned in the direction of the gradient of the ridge, the end face thereof on the ridge outer side is cut horizontally, and the lower draining 3 between the ridge top side part and the porous body 2 is bent upward to the extension tip side of the ridge inside top part side to form a fold-back part 31 covering the projected surface of the porous body 2 as viewed from the communication direction of the pores. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a ventilation building structure that enables natural ventilation of an attic.

  In general, a residential building employs a ventilation building structure that allows natural ventilation of the attic. This ventilation ridge structure was configured by providing a wrapping member at the ridge opening of the roof base plate.

Conventionally, in such a ventilation building structure, it is necessary not only to ventilate, but also to allow natural ventilation while preventing intrusion of pests, dust, powdered snow and the like. Therefore, as a ventilation building structure that allows natural ventilation while preventing the intrusion of such pests, dust, snow, etc., a combination of draining, draining and perforating between the building opening and the building wrapping member The body is provided in combination (see Patent Documents 1 to 3).
Japanese Patent Laid-Open No. 11-62140 JP-A-9-144256 Japanese Patent Laid-Open No. 7-109797

  However, in the case of the ventilation building structure combined with the above-mentioned conventional draining, it is effective for the intrusion of rainwater, but it is difficult to suppress the invasion of pests, dust, powdered snow and the like.

  Further, in the case of the ventilation tower structure combining the conventional drainer and the porous body, the porous body effectively acts against the invasion of pests, dust, powdered snow and the like. However, the following inconveniences occur depending on the type of porous body used for air permeability and rainwater intrusion.

  That is, in the case of the mesh-like porous body shown in Patent Document 1 and the porous mat-like porous body shown in Patent Document 3, dust resistance and the like easily cause clogging of the porous body in addition to high airflow resistance. The dust is further solidified into the porous body by rain water or the like, and air permeability is hindered.

  In addition, in the case of a porous body formed in a plate shape with a honeycomb core cross section shown in Patent Document 2, the ventilation resistance does not increase, but rainwater accompanied by strong winds is generated from a plurality of cylindrical holes provided in the porous body. Will be sprayed inside. Therefore, it will infiltrate as rainwater splashes.

  The present invention has been made in view of the actual situation, and is capable of exerting an effect on intrusion of rainwater, pests, dust, powdered snow, etc., and a ventilation building structure capable of ensuring sufficient air permeability The purpose is to provide.

  In the ventilation ridge structure of the present invention for solving the above-mentioned problem, an opening is provided at the top of the roof base plate, and a drainer and a porous body are respectively provided at the ridge tops on both sides facing the opening. The ventilation wing structure is provided with a wing wrapping member that closes the opening from above, and the porous body is formed in a perforated plate shape in which each hole has a long cylindrical shape with a porous cross section. Is provided so that the direction of communication is along the gradient direction of the ridge, so as to form a space part divided in the middle of the gradient direction of the ridge, and the end surface on the outside of the ridge is cut horizontally, The drainer is provided between the top of the ridge and the porous body, extends to the top of the ridge, and is bent upward at the extended tip side to communicate the holes of the porous body. The return part which covers the projection surface seen from is formed.

  Moreover, in the said ventilation building structure, the moisture absorption material is provided in the front-end | tip of the return part of a draining drain.

  As described above, according to the present invention, the end surface of the porous body outside the ridge is cut so as to be horizontal, so that the pests, dust, powder snow, etc., which are prevented from entering by the porous body, It falls by its own weight without staying. Therefore, sufficient ventilation performance can be maintained without impairing air permeability.

  In addition, since each hole of the porous body has a long cylindrical shape, air flows from the outside of the building to the inside of the building by the flow along this hole. Since the return part which covers the projection surface seen from the communication direction is formed, the intrusion of rain water accompanied by strong wind can be stopped at this return part. Furthermore, even if this drainage drainage section is inadequate, the porous body is formed so as to form a divided space part in the middle of the direction of the gradient of the ridge. The momentum of rainwater can be killed, and the combined use of the space portion and the return portion can surely prevent rainwater from entering.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 shows an outline of the overall structure of the ventilation building structure, and FIGS. 2 and 3 show cross sections of the main part of the ventilation building structure.

  That is, in this ventilation ridge structure, an opening 10 is provided at the top of the roof base plate 1, and the porous body 2, the sewage drainer 3, and the upper drainer 4 are respectively formed on the ridge tops on both sides facing the opening 10. Is provided, and a wrapping member 5 for closing the opening 10 from above is provided.

  The roof base plate 1 is fixed to a frame composed of a climbing beam bundle 12, a climbing beam 13, a purlin 14 and the like, and is formed with a slit-shaped opening 10 at the top of the ridge. A long base tree 11 is provided along the opening 10 at the ridge top sides on both sides facing the opening 10. Asphalt roofing 15 is affixed to the surfaces of the roof base plate 1 and the base wood 11.

  As shown in FIG. 4, the porous body 2 is formed in a long plate shape with a porous cross section having a plurality of holes 20 formed in a long cylindrical shape, and the holes 20 communicate with each other along the width direction. It is made like that. The porous body 2 has both end surfaces cut obliquely and the center is cut at right angles to the holes 20. The porous body 2 is divided at an interval at a portion cut at the center, and the divided portion is configured as a space portion 21. The porous body 2 is fixed via a drainer 3 to a base tree 11 provided on the ridge top sides on both sides facing the opening 10 so that the communication direction of the holes 20 is along the gradient direction of the ridge. The In this construction state, both end surfaces of the porous body 2 are cut obliquely according to the gradient of the ridge so that one end surface is vertical and the other end surface is horizontal. As the porous body 2, one made of resin, metal, paper, wood or the like can be used.

  The sewage drainer 3 is formed by processing and forming a thin steel plate, and is formed in a long shape so that it can be provided along the ridge top sides on both sides facing the opening 10. The cross section of the drainer 3 is bent and formed in a substantially staircase shape extending from the roof base plate 1 along the base tree 11 to the top side. The extended distal end side is bent upward to form a return portion 31, and the end edge portion 31 a of the return portion 31 is bent toward the down-gradient side of the roof. The return portion 31 is formed so as to be the same as or larger than the projection surface of the porous body 2 when viewed from the direction of communication of the holes 20 of the porous body 2 with the porous body 2 provided on the drainer 3. . Thereby, the ventilation | gas_flowing from each hole 20 of the porous body 2 will be received by the return part 31 of the drainer 3 reliably.

  The water drainer 4 is made of a strip-like thin steel plate and can be provided along the porous body 2. The width of the upper drainer 4 is determined so as to match the porous body 2 provided at intervals so as to constitute the space portion 21.

  Next, the construction method of this ventilation building is demonstrated.

  First, the roof plate 6 is spread on the roof base plate 1 on which the asphalt roofing 15 is pasted, and the sewage drainer 3 is provided on the base tree 11.

  On the drainer 3, the porous body 2 is provided along the base tree 11, and on the porous body 2, the drainer 4 is provided. At this time, since the porous body 2 needs to be provided at intervals so as to constitute the space portion 21, the porous body 2 is bonded and integrated in advance to at least one of the sewage drainer 3 and the upper drainer 4. It is preferable that the construction is carried out.

  And the band-plate-shaped mounting bracket 7 bent and formed in the mountain shape which matches a ridge part is provided so that the drainage 4 of the both sides which faced the opening part 10 may be straddled. The mounting bracket 7 is provided at an appropriate interval, and is fixed to the base tree 11 by a screw 70 that passes through the upper drainer 4, the space 21 of the porous body 2, and the lower drainer 3.

  Finally, the wrapping member 5 is provided so as to close the opening 10 from above the mounting bracket 7. The ridge wrap member 5 is configured such that the locking pieces 51 formed at both ends are locked to the locking pieces 71 formed at both ends of the mounting bracket 7 so that the mounting bracket 7 is fixed. It is attached by fitting in the part.

  According to this ventilation building structure, natural ventilation can be performed inside and outside the building by the flow of air as shown by the arrow A.

  At this time, since the air passes through the porous body 2, not only ventilation is performed, but also intrusion of pests, dust, powdered snow and the like can be prevented. Further, since the other end face facing the outside of the ridge is cut obliquely in the porous body 2, the other end face has a large opening area of each hole 20 and is horizontal in the construction state. Pests, dust, powdered snow, etc. that are stopped when preventing them are not clogged and easily fall naturally.

  In addition, in the case of rain water accompanied by strong winds, there is a concern that the rain water will be splashed and sprayed inside from the holes provided in the porous body 2, but it is provided in the middle of the porous body 2. Since the momentum is killed in the space portion 21 formed, the intrusion of rainwater accompanied by these strong winds can be stopped at a momentum that can be stopped by the return portion 31 of the drainer 3. In addition, since the return part 31 is bent upwards in the construction state, there is a concern that the return part 31 is merely changed to the upper part of the flow of rainwater accompanied by strong wind entering from each hole of the porous body 2. Since the edge 31a of the return portion 31 is bent toward the downward slope side of the roof, the momentum of rain water accompanied by strong wind can be reliably eliminated.

  In the present embodiment, the end edge portion 31a of the return portion 31 is merely bent toward the down-gradient side of the roof. However, as shown in FIG. A porous elastic body made of open cells such as, or a hygroscopic member 32 such as a nonwoven fabric may be provided. In this case, the momentum of the rainwater accompanied by strong wind can be surely eliminated by the end edge portion 31a of the return portion 31, and the rainwater trying to enter the ridge portion can be absorbed by the moisture absorbing member 32. The moisture absorbed by the moisture absorbing member 32 is arbitrarily dried by natural ventilation in fine weather.

  It can be used in residential buildings as a ventilation building structure that allows natural ventilation in the attic.

It is sectional drawing which shows the outline of the whole structure of the ventilation building structure which concerns on this invention. It is principal part sectional drawing of FIG. It is a partial exploded perspective view of the ventilation wing structure concerning the present invention. It is a fragmentary perspective view of the porous body used for the ventilation building structure which concerns on this invention. It is principal part sectional drawing which shows other embodiment of the ventilation building structure which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Roof base plate 10 Opening part 2 Porous body 21 Space part 3 Sewage drainage 31 Return part 32 Hygroscopic member (hygroscopic material)
4 Drainer 5 Building wrapping material

Claims (2)

An opening is provided at the ridge top of the roof base plate, drainage and a porous body are provided respectively on the ridge top sides on both sides facing the opening, and a wrapping member for closing the opening from above is provided. A ventilation building structure,
The porous body is formed in a porous plate shape in which each hole has a long cylindrical shape with a porous cross section, and is provided so that the communication direction of each hole is along the gradient direction of the ridge, and in the middle of the gradient direction of the ridge It is made so as to form a divided space, and is cut so that the end face on the outside of the ridge becomes horizontal,
The drainer is provided between the top of the ridge and the porous body, extends to the top of the ridge, and is bent upward at the extended tip side to communicate the holes of the porous body. A ventilation wing structure characterized in that a return portion is formed to cover the projection surface viewed from the side.   The ventilation building structure according to claim 1, wherein a hygroscopic material is provided at the tip of the draining return portion.

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