JP5041602B2 - Ventilation device for building and its mounting method - Google Patents

Description

  The present invention relates to a building ventilator, and more particularly to a building ventilator using a synthetic resin siding as an exterior material and a method for attaching the ventilator.

  Conventionally, as a ventilation device for buildings, a ventilation device (see Patent Literature 1 and Patent Literature 2) in which a base fixed to an outer wall surface of a building and an outdoor hood are integrally formed, or a base (flange) and an outdoor hood are provided. There is known a ventilator (see Patent Document 3) that is configured as a separate body and that can attach and detach an outdoor hood from a base fixed to an outer wall surface of a building.

  The conventional ventilators described above are of a type in which the base is attached and fixed to the outer wall surface of the building. Therefore, when the outer wall surface of the building is hard and flat, it is between the base and the outer wall surface of the building. A synthetic resin siding 21 having an uneven cross-sectional shape as shown in FIG. 4 has been used frequently in recent years. When used on the outer wall of a building, if the conventional ventilator described above is installed and fixed on the outer wall, a large gap is partially formed between the base of the ventilator and the synthetic resin siding surface. As a result, the waterproofness was impaired and the appearance was poor.

  Therefore, in order to solve the above-mentioned problem, the applicant has a ventilation device for buildings using a synthetic resin siding composed of a base directly attached to the base material and an outdoor hood detachably attached to the base. We applied for the attachment method (see Patent Document 4) and proposed a ventilation device for buildings with excellent appearance that is excellent in stability and waterproofness of the installation of the base.

  In this ventilator, a directional plate for guiding the direction of air flow and a net for insect repellent are attached to the base using a locking rod standing on the base. There were cases in which it was difficult to remove the directional plate or mesh body when it was replaced or cleaned when the mesh of the body was clogged, and the direction plate or mesh body was stuck to the base or the locking rod.

  As a result of studying the above, the inventors have found that ventilation equipment for buildings is usually at a high place, and the outdoor hood is attached to and detached from the base on an unstable stepladder, ladder, etc. When attaching the hood, in order to ensure safety and avoid interruption of work due to the falling of the direction plate or net, the direction plate or net may be stopped on the base using adhesive or adhesive tape, etc. It has been found that this is one of the reasons why it cannot be easily removed.

Japanese Patent No. 3135208 JP 2005-291547 A JP 2003-202143 A JP 2007-292369 A

  Therefore, the present invention has been improved in view of the above-described points, and the outer wall surface can be safely and smoothly attached and removed to and from the direction plate or net of the ventilation device at a high place. An object of the present invention is to provide a ventilation device for a building using synthetic resin siding, and a method for mounting the ventilation device.

The building ventilator according to the present invention is a building ventilator comprising a base that is directly attached to the base material, an outdoor hood that is detachably attached to the base, and a direction plate that is locked to the outdoor hood. The outdoor hood is provided with a step for locking the direction plate along the surrounding wall surface on the inner surface of the opening on the base side, and the direction plate is positioned on the step for locking the direction plate. A protrusion is formed, and a notch corresponding to the positioning protrusion of the direction plate is provided on the periphery of the direction plate .

  The building ventilator mounting method of the present invention uses the building ventilator described above, and pushes the direction plate into the opening on the base side of the outdoor hood, and is provided along the wall surface around the inner side surface of the opening. The outdoor hood is fitted into the base after being locked to the locking step.

In the building ventilator of the present invention described above, the height of the positioning projection of the direction plate is preferably lower than the thickness of the direction plate.

  Further, the method for attaching the building ventilator of the present invention having such a configuration is to push the direction plate into the opening on the base side of the outdoor hood, and to provide the notch provided on the periphery of the direction plate with the base of the outdoor hood. Fit the positioning projections of the direction plate formed on the locking step provided along the wall surface around the inner side surface of the opening on the base side, and lock the direction plate to the outdoor hood. It is characterized by being fitted into the base.

  In the building ventilator of the present invention, the direction plate and the net body can basically be temporarily attached to the outdoor hood side, and in this state, the attaching and detaching work to the base can be performed smoothly and safely. It is possible to provide a ventilation device for buildings that has an uneven outer wall surface and that uses synthetic resin siding.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a schematic perspective view showing an example of a combination of an outdoor hood and a base of a building ventilator according to the present invention, and FIG. It is a typical perspective view showing an example of a direction board and a net.
FIG. 3 is a schematic longitudinal sectional view showing a state in which the direction plate and the net are locked to the outdoor hood of the building ventilator shown in FIG.

As shown in FIG. 1, the building ventilator according to the present invention includes an outdoor hood 1 and a base 11 to which the outdoor hood 1 is detachably attached.
The outdoor hood 1 includes a substantially square frame plate-shaped cover portion 2, a base mounting frame plate portion 3 (see FIGS. 2 and 3), and a hood portion 4, and the base 11 has a substantially square shape. The base material mounting plate portion 12, the rising portion 13, and the upper surface portion 14 are formed, and a ventilation pipe receiving hole 15 for receiving the ventilation pipe is formed in the center of the upper surface portion 14.

  As shown in FIG. 2, the outdoor hood 1 is provided with a stepped portion 6 for locking the direction plate continuously and integrally on the inner side surface of the opening 5 on the base side along the surrounding wall surface. The edge of the direction plate 7 pushed in from the opening 5 abuts on the locking step 6 so that the direction plate 7 is stably locked inside the opening 5 and is further locked. The mesh body 16 can be arranged on the board 7.

In FIG. 2, the locking step portion 6 is provided continuously along the inner peripheral wall surface of the opening 5, but may be provided at intervals.
Two positioning projections 8 of the direction plate 7 are formed on the locking step 6 on the inner upper side A of the opening 5 and two on the opposite side B, respectively, with an interval.

  This projection 8 is positioned so that the direction plate 7 pushed into the opening 5 is in the correct position, that is, when the outdoor hood 1 is attached to the base 11, the flap 9 of the direction plate 7 faces downward, for example. A notch 10 is provided at a position corresponding to the positioning projection 8 at the edge of the direction plate 7 that contacts the locking step 6.

  When the direction plate 7 is pushed into the opening 5 of the outdoor hood 1, if the notch 10 of the direction plate 7 can be fitted to all the protrusions 8 on the locking step 6, the direction plate 7 can be used as the outdoor hood. 1, the flap 9 of the direction plate 7 is not attached upward when the outdoor hood 1 is attached to the base 11.

That is, in the outdoor hood 1 shown in FIG. 2, the protrusions 8 are formed on the upper side A of the opening 5 and the opposite side B, and are not formed on the lower side. Therefore, even if the upper side a and the lower side b of the direction plate 7 are reversed and pushed into the opening 5, the lower side b of the direction plate 7 where the notch 10 is not formed is the two protrusions on the upper side A of the opening 5. Thus, the directional plate 7 does not come into contact with the entire surface of the locking step 6 and is locked.
As a result, when the outdoor hood 1 is attached to the base 11, the flap 9 of the direction plate 7 is not accidentally attached upward without being noticed, and the outdoor hood 1 is mistakenly noticed after being attached from the base 11. There is no need to undo and start over.

  On the upper surface of the direction plate 7 that is locked to the locking step 6, a net 16 that normally prevents the entry of insects and dust from the outside is placed. Therefore, when the mesh body 16 is placed on the direction plate 7, if the protrusion 8 protrudes from the upper surface of the direction plate 7, the mesh body 16 is pushed up by the protrusion 8, and is lifted from the upper surface of the direction plate 7 and is not stable. Therefore, the height of the protrusion 8 is preferably lower than the thickness of the direction plate.

The number of protrusions 8 provided on the locking step 6, the position of the protrusions 8 and the shape of the protrusion 8, and the shape of the notch 10 formed in the direction plate 7 corresponding thereto are limited to those shown in FIG. It is not a thing and can be determined arbitrarily.
By changing the positions and combinations of the protrusions 8 and the notches 10, not only the vertical direction of the flap 9 of the direction plate 7 but also the mistake of the front and back of the direction plate 7 can be prevented.

Next, the attachment method of the ventilation apparatus of this invention is demonstrated based on figures.
First, before attaching the outdoor hood 1 to the base 11, as shown in FIG. 2, the direction plate 7 is pushed into the opening 5 on the base 11 side of the outdoor hood 1 and provided on the inner side surface inside the opening 5. The locking step portion 6 is locked.
When the positioning projection 8 of the direction plate is formed on the locking step 6, the notch 10 provided on the peripheral edge of the direction plate 7 is fitted to the projection 8. If the directional plate 7 does not rattle on the locking step 6 by this fitting, the directional plate 7 is correctly locked to the outdoor hood 1.

Further, when the mesh body 16 is used, the mesh body 16 is placed on the upper surface of the direction plate 7 locked to the locking step 6.
Then, the outdoor hood 1 in which the direction plate 7 and the net 16 are set is attached to the base 11 and the process is terminated.

  As shown in FIG. 1, the outdoor hood 1 is attached to the base 11 by aligning the base mounting frame plate portion 3 of the outdoor hood 1 with the rising portion 13 of the base 11 and covering the outdoor hood 1 with the base 11. When pushed in, the projection 18 provided in the rising portion 13 of the base 11 is inserted into the insertion hole 17 provided in the base mounting frame plate portion 3 of the outdoor hood 1, and the outdoor hood 1 is 11 is locked.

In addition, like the base 11 shown in FIG. 1, locking bars 19 are erected in the vicinity of the four corners of the upper surface portion 14 of the base 11, and locking holes 20 corresponding to the locking bars 19 are formed in the direction plate 7. Alternatively, a gap (not shown) through which the locking bar 19 can pass may be formed in the corresponding portion of the net body 16.
Accordingly, the outdoor hood 1 in which the direction plate 7 and the net body 16 are set is pushed so as to cover the base 11, and the gap between the net body 16 and the direction plate 7 are inserted into the locking rod 19 on the base 11. Since the locking holes 20 are sequentially inserted and engaged, the attachment of the outdoor hood 1 to the base 11 becomes more reliable.

In the embodiment of the present invention described above, the base material mounting plate portion 12 and the rising portion 13 of the base 11, and the frame plate-like cover portion 2 and the base mounting frame plate portion 3 of the outdoor hood 1 are respectively However, the present invention is not limited to these, and various shapes such as a circle and an ellipse, and shapes obtained by combining them can be used.
The outdoor hood 1 and the base 11 constituting the ventilation device of the present invention are generally made of synthetic resin, but may be made of metal or the like.

  According to the present invention, an exterior material having an uneven outer wall surface, particularly a building ventilation device optimal for synthetic resin siding and its mounting method can be provided, so that its industrial applicability is great.

It is a typical perspective view which shows an example of the combination of the outdoor hood and base of the ventilation apparatus for buildings of this invention. It is a typical perspective view which shows an example of the outdoor hood of the ventilation apparatus for buildings of this invention, the direction board latched on this, and a net. It is a typical longitudinal cross-sectional view which shows the state which locked the direction board and the net body to the outdoor hood of the ventilation apparatus for buildings shown in FIG. It is a perspective view which shows an example of synthetic resin siding.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Outdoor hood 2 Frame plate-shaped cover part 3 Base mounting frame board part 4 Hood part 5 Base part opening part 6 Locking step part
7 direction plate 8 direction plate positioning projection 9 flap 10 notch 11 base 12 base material mounting plate portion 13 rising portion 14 upper surface portion 15 ventilation pipe receiving hole 16 mesh body 17 fitting hole 18 convex portion 19 locking rod 20 locking hole 21 Synthetic resin siding A Top side of the opening B Side side of the opening a Top side of the direction plate b Bottom side of the direction plate

Claims (4)

A base mounted directly to the base material, and an outdoor hood removably attached to the base, a building ventilation system comprising a direction plate to be engaged in this outdoor hood, the outdoor hood, its On the inner side surface of the opening on the base side, there is provided a step for locking the direction plate along the surrounding wall surface , and a positioning projection for the direction plate is formed on the step for locking the direction plate, and the periphery of the direction plate Is provided with a notch corresponding to the positioning projection of the direction plate . The building ventilator according to claim 1 , wherein the height of the positioning projection of the direction plate is lower than the thickness of the direction plate. The building ventilator according to claim 1 or 2, wherein the direction plate is pushed into the opening on the base side of the outdoor hood and is engaged with a locking step provided along a wall surface around the inner side surface of the opening. A mounting method for a building ventilator, wherein the outdoor hood is fitted into the base after being stopped. The direction plate is pushed into the opening on the base side of the outdoor hood, and the notch provided on the periphery of the direction plate is used for locking provided along the wall surface around the inner surface of the opening on the base side of the outdoor hood. 4. The building ventilation according to claim 3 , wherein the outdoor hood is fitted into the base after the directional plate is fitted to the positioning protrusions of the directional plate formed on the stepped portion and locked to the outdoor hood. How to install the device.

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