JP3842337B2 - Vertical cylinder type ventilator - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a ventilation device for a wall surface of a building, and more particularly to a vertical cylinder type ventilation device which can be used by being attached to an eave, a wrinkle wall without a wall by providing a ventilation passage in which rainwater is difficult to enter.
[0002]
[Prior art]
As a ventilator capable of preventing rainwater from entering the indoor side during a strong wind such as a typhoon, for example, Japanese Patent Publication No. 3-29516 (first known technique) or Japanese Patent Application Laid-Open No. 63-251548 (second known technique). Technology), Japanese Patent Application Laid-Open No. 5-295959 (third known technology), Japanese Patent Publication No. 49-35781 (fourth known technology), Japanese Utility Model Publication No. 63-167589 (fifth known technology), and the like. Are known.
[0003]
In the first known technique, a cross-sectional saddle groove is provided in a part of the fixed louver, and a round bar is provided in a part of the movable flap via a support arm, and these round bars are provided in the saddle groove. This is a technique of a structure in which the movable flap can be automatically rotated in a strong wind by being rotatably inserted. In the second known technique, a ventilation hood is formed by hollowing out a part of the outer wall provided with a ventilation gallery and a net on the surface side, and an opening provided in the ventilation hood is opened and closed with a damper. Technology.
[0004]
The third known technique is a technique in which an air passage is formed in a part of the outer wall and this air passage is blocked by a baffle plate. The fourth known technique is a ventilation window technique in which a plurality of slat pieces are provided on the side frame of the ventilation window and ventilation paths are provided between them, and these ventilation paths can be closed by movable shutter pieces, respectively. It is. Further, in the fifth known technique, a plurality of fixed inclined plates are provided on the side frame of the window, a ventilation path is provided between them, and a movable flap is provided between the inclined plates, so that the ventilation path can be closed by this flap. This is the structure.
[0005]
[Problems to be solved by the invention]
However, in the first known technique, the fourth known technique, and the fifth known technique described above, since one movable flap is assembled to one fixed louver, one ventilation gallery is provided. There are problems such as an increase in the number of air passages formed in the inner wall, a complicated overall configuration, and an increase in the number of components. In addition, the assembly work is complicated and inefficient, and a large number of ventilation portions must be individually closed with movable flaps, resulting in a problem of poor watertightness. In addition, if it has been used for many years, there may be a problem with the rotation of the movable flap, causing a failure.
[0006]
Further, in the second known technique and the third known technique, a ventilation opening is formed in the outer wall, a ventilation hood is formed in the opening, and a movable flap (tamper) is not attached in the ventilation hood. In other words, the work is large, the configuration is complicated, and the cost is high. In particular, in the case of the second known technology, there is a problem that the ventilation hood has to be configured on the outer wall itself on which the ventilation louver is attached to the surface, which is completely separate from the ventilation louver.
[0007]
The structure of the ventilating apparatus according to the first to fifth known techniques described above is extremely complicated overall, and rainwater is likely to enter during typhoons, so only the place where eaves, eaves, etc. are provided. It is difficult to use, and there is a problem that it is difficult to use it in places where there are no eaves or bags.
[0008]
The ventilator according to the present invention is a completely new technology developed in view of the conventional problems. In particular, a vertical cylinder is used to form an air passage in the interior, and a vent is formed in the lower part of the side wall and the upper part of the inner wall, respectively. Provided is a technology of a vertical cylinder type ventilator that is perforated and configured to open and close an air passage in a vertical cylinder body by attaching an open / close flap to a middle position between the upper and lower sides of the vertical cylinder so as to be rotatable. It is.
[0009]
[Means for Solving the Problems]
The ventilator according to the present invention is a technology that fundamentally improves the above-mentioned conventional problems, and the gist of the first invention is a ventilator that is used by being mounted on a wall of a building or the like. The vertical cylinder can be closed up and down by wind pressure at a substantially central portion of the inside of the vertical cylinder whose upper and lower ends are closed and a vent is provided in the lower part of the side wall and further provided with a vent in the upper part of the inner wall. The open / close flap is configured to be pivotably mounted by placing a support shaft in a direction intersecting the side wall of the vertical cylinder, and to provide a blade plate with a predetermined interval along the outer surface of the side wall of the vertical cylinder . This is a vertical cylinder type ventilator.
[0010]
Further, the gist of the second aspect of the present invention, the first shot bright vertical tube that wherein said vertical cylindrical body by being configured removably attached to the outer frame is fitted wife wall of buildings Type ventilator.
[0011]
Further, the gist of the third invention of the apparatus according to the present invention, the first shot Akiraaru physician fire damper and characterized by being configured provided along the interior side of the vertical cylinder is one of the second invention This is a vertical tube type ventilation device.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the ventilator according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a longitudinal sectional view of the ventilator according to the present invention, and FIG. FIG. 3 is a cross-sectional view of the ventilator of FIG. 1, and FIGS. 4A and 4B are operation explanatory diagrams of the ventilator of FIG.
[0013]
1 to 4 (A) and 4 (B), reference numeral 1 denotes a vertical cylinder, which is formed into a quadrangular cylindrical shape by an outer wall 2, left and right side walls 3, 4, an inner wall 5, an upper plate 6 and a lower plate 7. Is formed. The outer wall 2 and the left and right side walls 3 and 4 are integrally formed as shown in FIG. 3, and these are detachably fitted to the inner wall 5.
[0014]
Reference numerals 8 and 9 respectively denote blades which are integrally connected to both ends of the outer wall 2 via connecting pieces 10 and are provided in parallel outside the side walls 3 and 4 at a predetermined interval. ing. The horizontal widths of the blades 8 and 9 are shorter than the side walls 3 and 4, and a predetermined gap is formed between the front edge and the inner wall 5. .
[0015]
A vent hole 11 is formed in the lower part of the left and right side walls 3 and 4, and a vent hole 12 is also formed in the upper part of the inner wall 5. Therefore, the outside air that has passed through the gap between the tip side edge of the blades 8 and 9 and the inner wall 5 and the gap between the blades 8 and 9 and the side walls 3 and 4 is provided in the lower part of the side walls 3 and 4. 11 flows into the vertical cylinder 1 and circulates in the vertical cylinder 1 from below to above, and then flows out from the vent 12 provided at the top of the inner wall 5 to the indoor side. ing.
[0016]
An open / close flap 13 has an outer diameter substantially equal to the inner diameter of the vertical cylindrical body 1 and is supported via a support shaft 14 so as to be able to pivot in the vertical direction at the upper and lower central portions of the outer wall 2. It is pivotally attached. Therefore, in a normal state, as shown in FIG. 4A, the open / close flap 13 itself hangs downward, and when the wind pressure becomes strong during a typhoon or the like, as shown in FIG. Wind and rain that has entered from the vent 11 at the bottom of the body 1 pushes up the opening and closing flap 13 to close the wind path in the vertical cylinder 1 and wind and rain enter the room through the vent 12 of the inner wall 5. It is comprised so that it can prevent. The opening / closing pressure of the opening / closing flap 13 can be easily adjusted by its own weight and a spring device.
[0017]
An outer frame 15 is fitted into an opening provided in a part of the end wall 16 of the building. The inner wall 5 of the vertical cylinder 1 forms a part of the indoor side wall surface 17 of the outer frame 15 and can be separated from the surrounding indoor side wall surface 17. In the figure, 18 is a drainer attached to the lower part of the outer frame.
[0018]
The above-described vertical cylinder 1 is configured via an inner wall 5 provided substantially at the center of the indoor side wall surface 17 of the outer frame 15, and the outer edge of the outer frame 15 and the vertical cylinder 1 are kept at a predetermined interval. Are arranged. Therefore, as described above, the outside air flowing into the gap between the blades 8 and 9 and the side walls 3 and 4 through the gap between the tip side edges of the blades 8 and 9 and the inner wall 5 is vertically aligned with the outer edge of the outer frame 15. It is the outside air that has passed between the cylindrical body 1.
[0019]
A fire damper 19 is provided along the indoor side wall surface 17 of the outer frame 15. The fire damper 19 is composed of a plurality of blades 20 whose upper and lower edges are bent in a predetermined direction and a fuse member 21, and when heated air enters the indoor side from the vent 12 of the vertical cylinder 1. The fuse member 21 is melted and the blades 20 are sequentially dropped, so that the fire-proof damper 19 can be automatically assembled and configured.
[0020]
【The invention's effect】
Since the ventilator according to the present invention has the structure and operation as described above, it has the following great effects.
[0021]
(1) Ventilation holes are provided in the lower part of the side wall of the vertical cylinder and the upper part of the inner wall, respectively, and the outside air that has entered from the lower part of the side wall is taken into the indoor side from the upper part of the inner wall through the air passage of the vertical cylinder. Even when the building is mounted on a wall with no eaves or fences, it is possible to restrict rainwater from entering the room. (2) Since the open / close flap is pivotally mounted in the vertical cylinder, the wind path of the vertical cylinder is closed with the open / close flap when high-pressure wind and rain enters the vertical cylinder during a typhoon. Thus, it is possible to prevent wind and rain from passing through the wind path.
[0022]
(3) In the case where the blades are provided along the outer surface of the side wall of the vertical cylinder, it is possible to make the passage of wind and rain entering the vertical cylinder more complicated and make it difficult for rainwater to enter. (4) When a fireproof damper is provided on the indoor side of the vertical cylinder or the outer frame to which the vertical cylinder is attached, it is possible to automatically prevent a fire from entering the indoor side by the fireproof damper.
[0023]
(5) When the vertical cylinder and the inner wall of the vertical cylinder can be taken out from the surrounding outer frame, maintenance of the fuse member of the backside fire-proof damper is easily performed without removing the entire outer frame. I can do it. (6) The opening / closing pressure of the opening / closing flap can be easily adjusted by its own weight and a spring device.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view of a ventilation device according to the present invention.
FIG. 2 is a perspective explanatory view showing a configuration of a main part of the ventilation device of FIG. 1;
FIG. 3 is a cross-sectional view of the ventilation device of FIG.
4 (A) and 4 (B) are operation explanatory views of the ventilation device of FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Vertical cylinder 2 ... Outer wall 3, 4 ... Side wall 5 ... Inner wall 6 ... Upper plate 7 ... Lower plate 8, 9 ... Wing plate
10 ... Connecting piece
11,12… Vent
13 ... Opening and closing flap
14 ... Spindle
15 ... Outer frame
16 ... Tsubaki wall
17 ... Indoor side wall
18 ... Drainer
19 ... Fire damper
20 ... slats
21… Fuse member

Claims (3)

In a ventilator that is used on a building wall or the like, the upper and lower ends are closed, a vent is provided in the lower part of the side wall, and a vent is provided in the upper part of the inner wall. An opening / closing flap having an arc-shaped cross section that can close and separate the vertical cylinder body up and down by wind pressure is attached to the center portion in a direction that intersects with the side wall of the vertical cylinder body and is pivotally attached . A vertical cylinder type ventilator characterized in that a blade plate is provided at a predetermined interval along an outer surface of a side wall of a cylindrical body . 2. The vertical cylinder type ventilation apparatus according to claim 1, wherein the vertical cylinder body is detachably mounted in an outer frame fitted to a wall of a building. Claim 1 some have a fire damper and characterized by being configured provided along the interior side of the vertical cylinder is one of the vertical tubular ventilation device according to claim 2.

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