JP6431782B2 - Ventilation device and ventilation structure of wall structure using the same - Google Patents

Description

  The present invention relates to a ventilation device and a ventilation structure for a wall structure portion using the ventilation device. More specifically, the present invention mainly relates to a wall structure portion of a general house, that is, a wall body such as a handrail for a parapet or a veranda. The present invention relates to a ventilation structure of a structure part and a ventilation device used therefor.

  In recent years, an increasing number of ordinary houses have a rectangular shape with a flat roof from the viewpoint of effective use of the site. The land roof is provided with a parapet that is raised along the outer periphery to prevent a person from falling or flowing down the outer wall of rainwater. Moreover, the same handrail wall is provided also in the peripheral part of a veranda.

  By the way, in summer, houses are exposed to sunlight, and the exterior and roofing materials become very hot, and the temperature of the back of the hut often exceeds 65 degrees. Therefore, especially in the summer, it is necessary to ventilate not only the room but also the back of the hut in order to maintain a comfortable thermal environment and ensure coolness. As the roof ventilation method, building ventilation or eaves ventilation is generally used, and various building ventilation devices and eaves ventilation devices have been proposed and put into practical use.

  In many cases, a ventilation layer is formed along the outer wall of the house. This ventilation layer discharges moisture that has entered the walls, dries the structural enclosure to increase the durability of the house, serves as a drainage route for rainwater that enters from the outer walls, and is heated by solar irradiation in the summer. It prevents conduction heat from the outer wall material, and also keeps the indoor thermal environment good.

  Usually, the ventilation layer formed in this wall structure part is in a communicating state with the shed space, and the air flowing out from this ventilation layer is once released into the shed space, and then the building ventilation device or eaves ventilation. It is discharged from the ridge or eaves through the device. However, the handrails on the veranda are often not constructed to be ventilated.

  Therefore, recently, an increasing number of wall structures such as handrails on the veranda have a ventilation function. For example, Japanese Patent Application Laid-Open No. 2012-7433 provides inner and outer ventilation layers (5, 6) on both sides of a wall (3), and opens the upper and lower ends of each ventilation layer (5, 6) to the outside. An L-shaped ventilation member (1) in which a middle portion is bent at the opening of the first and second ventilation passages extending vertically and horizontally through the middle bent portion and extending from one end surface to the other end surface is provided as a horizontal portion. The ventilation structure in the wall structure part deployed with the top facing is disclosed (see FIG. 5).

  However, the L-shaped ventilation member used therein is not only troublesome for manufacturing itself but also troublesome for stable installation, which has hindered cost reduction. The same problem occurs in the ventilation structure described in Japanese Patent Application Laid-Open No. 2012-117208 that also uses an L-shaped ventilation member.

  Furthermore, in recent cases, parapets and the like in ordinary houses are often used with flat headboards having a short falling part. In this case, if the L-shaped ventilation member is used, one vertical part of the vertical part is used. If the part is exposed, the appearance may be impaired.

JP 2012-7433 A JP 2012-117208 A

  As described above, the L-shaped ventilation member conventionally used for the ventilation part of the wall structure part is not only difficult in terms of cost and handling, but also has recently been increasing in flat type with a short falling part. In the case of using the headboard, there is a problem that the vertical portion may be exposed. The present invention has been made in order to solve such problems, and is easy to install, and even when a flat headboard with a short falling part is used, the members are exposed and the appearance is improved. It is an object of the present invention to provide a wall structure ventilation structure and a ventilation device used for the wall structure structure that do not impair the structure.

  In order to solve the above-mentioned problem, the invention according to claim 1 has an inverted trapezoidal cross section, and a large number of air passages extending from the inclined opening surface of one end surface in the short direction to the vertical opening surface of the other end surface are vertically and horizontally connected. A resin-made ventilation member, a top surface, and a cover material that sandwiches the ventilation member between the top surface and the bottom surface. In the ventilation device, an opening for ensuring air permeability is provided on the inclined ventilation surface of the cover material facing the vertical opening surface, and the upper surface of the cover material is extended to form a fixed surface.

  In one embodiment, a fastening hole is formed in the fixing surface of the cover material, and the bottom surface of the ventilation member is exposed from the back surface of the fixing surface, the bottom surface of the cover material, and the bottom surface of the cover material. A thermal expansion material is arrange | positioned in at least one place of these.

  According to a fourth aspect of the present invention for solving the above-described problem, a ventilation layer is provided on both surfaces of the wall body, and the outer opening of one or both upper ends of the ventilation layer is provided in any one of the first to third aspects. A ventilation structure in which the ventilation device according to claim 1 is arranged and a headboard is arranged on the ventilation device, wherein the inclined opening surface of the ventilation member communicates with the ventilation layer, and the inclined ventilation surface of the cover material The wall structure structure ventilation structure is characterized in that the opening is arranged so as to communicate with a space between the siding and the falling portion of the headboard.

  In one embodiment, only one of the ventilation layers is opened outward to install the ventilation device, and the other ventilation layer is fixed to the upper surface of the wall body at appropriate intervals. The ventilation device is in communication with the one ventilation layer through a ventilation space formed between the materials, and the ventilation device is installed and fixed by fixing the fixing surface to the upper surface of the base material.

  In one embodiment, a sealing agent is applied between the bottom surface of the venting device and the upper end of the outer surface of the siding. The venting device is installed before the siding is applied, and after the siding is applied, a sealing agent is filled between the siding and the bottom surface of the aeration device.

  The present invention is as described above, and the ventilation device according to the present invention is easy to install and there is no vertical portion extending downward, so that a flat headboard with a short falling portion is used. However, there is an effect that a part of the ventilation device is not exposed and there is no possibility of deteriorating the appearance.

  Further, since the ventilation structure of the wall structure portion according to the present invention uses a ventilation device without a vertical portion extending downward, there is less resistance than in the case of a conventional L-shaped ventilation member in which the flow is perpendicular, The flow is smooth and the ventilation performance is improved.

It is a perspective view which shows the structure of the ventilation apparatus which concerns on this invention. It is a side view which shows the structure of the ventilation apparatus which concerns on this invention. It is a longitudinal cross-sectional view which shows an example of the ventilation structure of the wall structure part using the ventilation apparatus which concerns on this invention. It is a longitudinal cross-sectional view which shows the other example of the ventilation structure of the wall structure part using the ventilation apparatus which concerns on this invention. It is a longitudinal cross-sectional view which shows the structural example of the ventilation structure of the wall structure part using the conventional L type ventilation member.

  Hereinafter, preferred embodiments for carrying out the present invention will be described with reference to the accompanying drawings. In addition, the wall structure part said in this invention contains the handrail of a parapet and a veranda at least.

  FIG. 1 is a perspective view showing a configuration example of a venting device 10 according to the present invention, and FIG. 2 is a side view thereof. As shown therein, the venting device 10 has an inverted trapezoidal cross section and has a short direction. A plurality of ventilation passages 12 extending vertically and horizontally from the inclined opening surface 14 as one end surface to the vertical opening surface 13 as the other end surface, an upper surface 22, an inclined ventilation surface 23 subsequent thereto, The cover member 21 is composed of a bottom surface 24 and sandwiches the ventilation member 11 between the top surface 22 and the bottom surface 24.

  The vertical opening surface 13 through which the ventilation path 12 of the ventilation member 11 opens is opposed to the inclined ventilation surface 23 of the cover member 21 and is directed outward when the ventilation member 11 is constructed. Directed inward.

  The upper surface 22 of the cover material 21 is extended to form a fixing surface 25, and a retaining hole 26 that is used when the ventilation device 10 is retained on the upper surface of the wall body 4 or the base material 7 described later at an arbitrary position. Is drilled. Further, the end side of the fixed surface 25 is folded downward as necessary. The inclined ventilation surface 23 is formed by being bent so as to have an obtuse angle with respect to the upper surface 22. In addition, an opening 27 for ensuring a sufficient ventilation area is formed in the inclined ventilation surface 23. The opening 27 may extend to a portion of the upper surface 22, as shown in FIG. Moreover, the thermal expansion material 29 is arrange | positioned at at least one place among the back surface of the fixing surface 25, the bottom surface 24 of the cover material 21, and the bottom surface of the ventilation member 11 exposed from the bottom surface 24 of the cover material 21 as needed. (See FIG. 2).

  The ventilation structure of the wall structure part according to the present invention using the ventilation device 10 is provided with the ventilation layers 5 and 6 on both sides of the wall body 4, and the ventilation device 10 is arranged at one or both upper end openings, It is made by placing Kasagi 1 on top of it. In the ventilation device 10, the inclined opening surface 14 of the ventilation member 11 communicates with the ventilation layers 5 and 6, and the opening 27 of the inclined ventilation surface 23 of the cover material 21 is formed between the siding 3 and the falling portion 2 of the headboard 1. It arrange | positions so that it may communicate with the space between.

  The example shown in FIG. 3 has a configuration in which both the inner and outer ventilation layers 5 and 6 are opened outward, and in that case, the ventilation device 10 is disposed in the outer opening of each ventilation layer 5 and 6. Is done. The ventilation device 10 can be installed before the construction of the siding 3 and can also be installed after the construction.

  When the ventilation device 10 is installed before the construction of the siding 3 (see the left half of FIG. 3), first, the fixing surface 25 is placed on the upper surface of the wall body 4 using the retaining holes 26, and the moisture permeable / waterproof sheet. It fixes through 8 grade | etc., And hits siding 3 after that. In this case, it is difficult to construct so that the upper end portion of the siding 3 abuts against the bottom surface 24 of the ventilation device 10 without a gap. Therefore, by setting the height of the siding 3 to be low, a gap is intentionally created between the upper end portion of the siding 3 and the bottom surface 24 of the ventilation device 10, and the sealing agent 28 is filled therewith. It is preferable to seal.

  When the ventilation device 10 is installed after construction of the siding 3 (see the right half of FIG. 3), the ventilation device 10 places its bottom surface 24 on the upper end surface of the siding 3 and uses the retaining holes 26. Then, the fixing surface 25 is fixed to the upper surface of the wall body 4 via a moisture permeable / waterproof sheet 8 or the like. In this case, it is preferable to apply a sealing agent 28 between the bottom surface 24 and the upper end of the outer surface of the siding 3 in order to achieve a stable fixed state.

  In the example shown in FIG. 3, the air rising in the inner and outer ventilation layers 5, 6 first flows toward the inclined opening surface 14 of the ventilation member 11 of the ventilation device 10, and each ventilation of the inclined opening surface 14. It enters the path 12 and proceeds to exit from the vertical opening surface 13. Then, after passing through the opening 27 formed in the inclined ventilation surface 23 of the cover material 21, it is released to the atmosphere through the space between the siding 3 and the falling portion 2 of the headboard 1.

  In the case of the example shown in FIG. 4, only the outer ventilation layer 5 is opened outward, and the ventilation device 10 is placed on the upper end surface of the siding 3 in the same manner as in the above embodiment. On the other hand, the inner ventilation layer 6 has its closed upper end portion interposed between the base material 7 fixed on the upper surface of the wall body 4 at appropriate intervals, and the upper end of the outer ventilation layer 5. Configured to communicate with the section.

  In the case of this example, the air rising in the outer ventilation layer 5 enters into each ventilation path 12 from the inclined opening surface 14 of the ventilation member 11 of the ventilation device 10, as in the above embodiment, Exit from the vertical opening surface 13. Further, the air rising in the inner ventilation layer 6 merges with the air rising in the outer ventilation layer 5 through the ventilation space 9, passes through the ventilation member 11 and the opening 27, and then siding 3. And is released into the atmosphere from the space between the falling portion 2 of the headboard 1.

  In any of the above embodiments, the ventilation device 10 is installed on the upper side of the siding 3 concealed by the falling portion 2 of the headboard 1, so that a part of the falling portion 2 is exposed no matter how short the falling portion 2 is. There is no possibility that the appearance will be damaged by the exposure.

  Further, the air rising in the inner and outer ventilation layers 5 and 6 passes straight through the vertical opening surface 13 of the ventilation member 11 and then advances straight as it is to the opening 27 formed in the inclined ventilation surface 23 of the cover member 21. It is released through. In the case of the ventilation structure according to the present invention, the air passing through the vertical opening surface 13 of the ventilation member 11 goes straight through the opening 27 and passes between the siding 3 and the falling portion 2 of the headboard 1. The airflow is less than that of the conventional L-shaped ventilation member where the airflow is at right angles, the airflow is smooth, and the ventilation performance is improved. A wall structure ventilation structure with sufficient ventilation function can be obtained.

  If the thermal expansion material 29 is disposed at least at one of the back surface of the fixing surface 25, the bottom surface 24 of the cover material 21, and the bottom surface of the ventilation member 11 exposed from the bottom surface 24 of the cover material 21, At the time of fire, the thermal expansion material 29 expands and completely blocks the portion, so that the propagation of the flame is reliably prevented.

  Although the invention has been described in some detail with its most preferred embodiments, it is evident that a wide variety of embodiments can be constructed without departing from the spirit and scope of the invention. Accordingly, the invention is not limited to the specific embodiments except as limited in the appended claims.

DESCRIPTION OF SYMBOLS 1 Coping 2 Falling part 3 Siding 4 Wall body 5 Outer ventilation layer 6 Inner ventilation layer 7 Base material 8 Moisture permeable / waterproof sheet 9 Ventilation space 10 Ventilation device 11 Ventilation member 12 Ventilation path 13 Vertical opening surface 14 Inclined opening surface 21 Cover Material 22 Upper surface 23 Inclined ventilation surface 24 Bottom surface 25 Fixed surface 26 Fastening hole
27 Opening 28 Sealing material 29 Thermal expansion material

Claims (7)

A cross-sectionally inverted trapezoidal shape, a resin-made ventilation member with a number of ventilation passages extending vertically and horizontally from the inclined opening surface of one end surface in the short direction to the vertical opening surface of the other end surface, the upper surface and the subsequent inclination It consists of a ventilation surface and a bottom surface, and is composed of a cover material that sandwiches the ventilation member between the top surface and the bottom surface,
A venting device comprising an opening for ensuring air permeability on an inclined ventilation surface of the cover material facing a vertical opening surface of the ventilation member, and an upper surface of the cover material is extended to form a fixed surface.   The ventilation device according to claim 1, wherein a fastening hole is formed in a fixing surface of the cover material.   The ventilation according to claim 1 or 2, wherein a thermal expansion material is disposed at at least one of the back surface of the fixed surface, the bottom surface of the cover material, and the bottom surface of the ventilation member exposed from the bottom surface of the cover material. apparatus.   A ventilation layer is provided on both surfaces of the wall, and the ventilation device according to any one of claims 1 to 3 is disposed in an outer opening at one or both upper ends of the ventilation layer, and a headboard is disposed thereon. In the ventilation structure, the inclined opening surface of the ventilation member communicates with the ventilation layer, and the opening of the inclined ventilation surface of the cover member is a space between the siding and the falling portion of the headboard. A ventilation structure of a wall structure part, wherein the ventilation structure is arranged to communicate with the wall structure.   Only one of the ventilation layers is opened outward to install the ventilation device, and the other ventilation layer is formed between base materials fixed on the upper surface of the wall body at appropriate intervals. The wall body according to claim 4, wherein the wall body is in communication with the one ventilation layer through a ventilation space, and the ventilation device is installed and fixed by fixing a fixing surface of the ventilation device to an upper surface of the base material. Ventilation structure of the structure part.   The ventilation structure of the wall structure part according to claim 4 or 5, wherein a sealing agent is applied between a bottom surface of the ventilation device and an upper end portion of the outer side surface of the siding.   The said ventilation apparatus is installed before constructing the said siding, and after the construction of the siding, a sealing agent is filled between the siding and the bottom surface of the ventilation apparatus. Ventilation structure of the wall structure part.

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