JP5532298B2 - Duct end hood mounting device - Google Patents

Description

  The present invention relates to a hood attachment device at a duct end for attaching a hood to a terminal opening to face an outer wall of a ventilation duct or the like provided in a building.

  For ventilation in bathrooms, toilets, kitchens, etc., a ventilation duct that faces these tips is provided in the building, the end of this ventilation duct is opened at the outer wall of the building, and the air sucked by the ventilation fan is discharged to the outside. In addition, such a terminal opening facing the outer wall such as a ventilation duct is covered with a hood in order to prevent wind and rain and small animals from entering, and to improve the appearance.

  Conventional general hoods sold as off-the-shelf products include, for example, a bend cap type hood with a pipe on the back side of the hood that opens downward and a weather cover type with a direct propeller fan. There is a hood, and the bend cap type hood is fixed by inserting the pipe into the opening of the terminal facing the outer wall of the ventilation duct and screwing the mounting screw into the wall surface from the flange provided on the outer periphery. The hood is fixed by screwing a mounting screw into a wall surface from a flange provided on the outer periphery of the hood. Such a hood is such that the pipe is sized according to the diameter of the ventilation duct or a propeller. Choose a fan with a size corresponding to the diameter of the ventilation duct, attach it to the terminal opening of the ventilation duct, If bets terminal openings are arranged a plurality, and to attach the hood individually for each of the terminal openings (e.g., see Patent Document 1).

JP 2005-214467 A

  By the way, when a bend cap type hood is used, if multiple ventilation ducts are arranged, even if the same design hood is installed, if the diameter of the ventilation duct is different, hoods of different sizes will be arranged. In addition, if there is a step at the end opening of the ventilation duct, there will be a step in the arrangement of the hood, and in any case, the arrangement of the hood will be unsightly, and if a weather cover type hood is added to this, There is also a problem that the aesthetics of the whole building is impaired, because the design is different.

  Accordingly, in order to solve the above-described problems, the object of the present invention can be easily attached to the terminal opening of the ventilation duct. When a plurality of ventilation ducts are arranged, the diameter of the ventilation duct is different or the terminal is different. Even if there are steps in the opening, the arrangement and size of the hood can be made uniform, and even when different types of hoods are mixed, it is possible to achieve a uniform design and improve the appearance. An object of the present invention is to provide a hood mounting device at the end of a duct that can improve the appearance of the entire building.

  In order to solve the above-described problems, the present invention is formed in a frame shape having a size surrounding a terminal opening of a duct, and an attachment frame fixed to the outer surface of a building, and the duct in a state of being overlapped with the front surface of the attachment frame. It consists of a hood that covers the terminal opening and a presser member that is placed so as to press the periphery of the front side of the hood, and a plurality of overlapping portions of the hood and the presser member are fixed to the mounting frame with fasteners. It is made to become.

  An insertion pipe to be inserted into the end opening of the duct may be fixed between the mounting frame and the hood on the rear side, and a base plate in which a portion to which the insertion pipe is fixed becomes an opening may be disposed.

  The hood may be formed in a quadrangular pyramid shape with one side open by gathering three triangular plates, and a flange that is overlapped with the mounting frame or the front surface of the base plate is provided at the edge of each triangular plate. it can.

  By interposing between the mounting frame or the base plate and the hood, a filter member, an insect net, a bird net, or the like that can cover the terminal opening of the duct can be provided.

  Here, the mounting frame is formed in a rectangular frame having a size that can surround the terminal opening of the ventilation duct using a band-shaped metal plate, and when a hood is attached to a plurality of ventilation ducts arranged in parallel, Single mounting frames may be used side by side, or a continuous one formed to cover the terminal openings of a plurality of ventilation ducts may be used, and is fixed to the outer surface of the building by bonding or by driving in fasteners.

  The base plate is formed in a square shape that overlaps the front surface of the mounting frame using a metal plate, and is fixed so that a cylindrical pipe that is inserted into the terminal opening of the ventilation duct projects to the back surface side.

  The hood uses a single metal plate, which is bent into a quadrangular pyramid shape with one side open, with a triangular plate located on the top and both sides and a bottom surface open, and is stretched outward on the edge of each triangular plate. A flange to be provided is provided, and the pressing member is formed in a frame shape that overlaps the surface of the flange provided in the hood.

  Even if the size of the hood is increased, the hood has the same angle, and the hood design can be unified.

  Fasteners that fix the base plate and hood to the mounting frame are formed by screw shafts protruding at four positions on the surface of the mounting frame and nuts that are screwed to the mounting shafts, and mounting holes provided at the four corners of the base plate. Insert into the screw shaft, place the flange of the hood in the part surrounded by the screw shaft, overlap it with the base plate, insert the mounting holes provided at the four corners of the presser member into the screw shaft, screw in the nut to this screw shaft and tighten This can be done, and if the nut is loosened, the base plate and the hood can be easily removed, so that the maintainability can be improved.

  If the mounting frame is to install the hood for multiple ventilation ducts in parallel, the hood for each ventilation duct will be the same size or the same even if the diameter of the ventilation duct is different or there are steps on the top and bottom Shapes are mounted so that they are arranged in a straight line in the length direction of the mounting frame, and the aesthetics are improved by unifying the design by unifying the size of the hood and arranging the straight lines.

  According to the present invention, the hood is stacked on the front surface of the mounting frame that is fixed to the outer surface of the building so as to cover the terminal opening of the ventilation duct, and this is fixed by the pressing member and the fastener. The hood can be attached to the end opening of the ventilation duct that opens facing the outer wall of the ventilation duct, etc. in a simple procedure, and the installation of a new hood to the ventilation duct and the replacement of the existing hood is special. It can be easily performed without requiring a special technique, and the workability and maintainability can be improved.

Also, when multiple duct ends are lined up, the mounting frame is lined up, or the width and length are set so as to cover the terminal openings of the multiple ventilation ducts lined up with the mounting frame. By attaching the hood to the corresponding position and making the hood for the terminal opening of multiple ventilation ducts the same and serializing, the appearance of the same hood is ordered and the appearance is improved, by design uniformity and aggregation, The aesthetics of the entire building can be improved.
Furthermore, by separating the mounting frame and the hood, it is possible to mount only the hood or a hood of a different material at the time of replacement, and by making the hood a quadrangular pyramid shape, The exhaust efficiency can be improved.

The exploded perspective view of the component which shows the hood attachment apparatus of the duct edge part which concerns on this invention (A) is the front view of the attachment state which shows the hood attachment apparatus of the duct edge part which concerns on this invention, (b) is the side view The expanded vertical side view of the attachment state which shows the hood attachment apparatus of the duct edge part which concerns on this invention The perspective view which shows the state which assembled only the hood attachment apparatus of the duct edge part which concerns on this invention, and looked up at this from the lower side of the front side The front view of the attachment state which combined the propeller fan which shows the hood attachment apparatus of the duct edge part which concerns on this invention

  Hereinafter, embodiments of the present invention will be described based on illustrated examples.

  As shown in the figure, the hood mounting device 1 at the end of the duct is stacked on the outer surface of the building A and fixed on the outer surface of the building A, the base plate 3 disposed on the front surface of the mounting frame 2 and the front surface of the base plate 3. It comprises a filter member 4, a hood 5 that is stacked on the front surface of the filter member 4, and a pressing member 6 that is disposed so as to press the periphery of the front side of the hood 5. A plurality of overlapping portions of the hood 5 and the pressing member 6 are fixed by the fastener 7.

  The mounting frame 2 is formed in a rectangular frame having a size that can cover the terminal opening of the ventilation duct 8 when the hood 5 is attached to a single ventilation duct 8 using a painted metal plate, stainless steel, resin or ceramics. Then, it is fixed to the outer surface of the building A by adhesion or driving of a fastener. In addition, the magnitude | size of the said attachment frame 2 shall be a magnitude | size which can cover the terminal opening with respect to the ventilation duct 8 of the largest diameter employ | adopted in the general building.

  When the hood 5 is attached to a plurality of ventilation ducts 8 arranged in parallel, the mounting frame 2 used for the hood 5 is arranged as a single mounting frame 2 or a plurality of ventilation ducts 8 as shown in FIG. And is fixed to the outer surface of the building A by bonding or by driving in a fastener.

  The base plate 3 is slightly smaller than the mounting frame 2 when the hood 5 is attached to a single ventilation duct 8 and is large enough to cover the terminal opening of the ventilation duct 8 having the maximum diameter employed in a general building. The metal plate is used to form a square shape that overlaps the front surface of the mounting frame 2, mounting holes 10 are provided at the four corner positions, and the cylindrical pipe 11 that is inserted into the terminal opening of the duct 8 has a back surface side. The portion where the pipe 11 is protruded is a circular opening 12.

  The filter member 4 has functions such as insect proofing and bird proofing. In the case of the illustration, the filter member 4 has a structure in which a peripheral member 14 is provided in a frame shape on the four peripheral edges of the rectangular wire mesh 13 and has the same size as the base plate 3. The attachment holes 15 are provided at the positions of the four corners of the peripheral member 14.

  In the illustrated case, the hood 5 is a single metal plate such as a steel plate or stainless steel, which is bent into a quadrangular pyramid shape with one open surface, and a triangular plate 16 is positioned on the upper and both sides and the lower surface is open. Thus, a flange 17 projecting outward is provided at the end edge of each triangular plate 16, and the outer edge of the flange 17 is formed in a size that matches the outer edge of the base plate 3.

  In addition, the hood 5 uses three metal triangular plates cut separately and is assembled and joined by welding, or a synthetic resin, earthenware, aluminum or the like is used as a material to form a square pyramid shape with one side open. It is also possible to form.

  By the way, as an example, the triangular plate 16 of the hood is formed with a base with a flange 17 of about 20 cm and a height of about 14 cm. The flange 17 has a width of about 2 cm. When the hood 5 is formed to be larger than that, a hood having the same inclination angle of the triangular plate 16 is obtained.

  The holding member 6 is formed in a square frame shape that overlaps the surface of the flange 17 provided on the hood 5 using a metal saddle member having an L-shaped cross section as shown in FIG. 3, and mounting holes 18 are provided at the positions of the four corners. It has been.

  The fastener 7 includes a screw shaft 7a projecting at four positions on the surface of the mounting frame 2, and a nut 7b screwed to the screw shaft 7a. Each mounting provided on the screw shaft 7a and the base plate 3 or the like. The holes 10, 15, and 18 are arranged to coincide with each other, and in the case of the attachment frame 2 when the hood 5 is attached alone, screw shafts 7 a are projected from the positions of the four corners of the attachment frame 2.

  Further, in the long mounting frame 2 in the case where the hood 5 is attached to a plurality of ventilation ducts 8 arranged in parallel, screw shafts 7a are projected at four positions on the top and bottom of the portion corresponding to the terminal opening of each ventilation duct 8. ing. In this case, the upper screw shaft 7 a and the lower screw shaft 7 a are arranged on the same line along the length direction of the mounting frame 2, and the hood 5 attached to the mounting frame 2 extends in the length direction of the mounting frame 2. It is arranged in a line along.

  Note that the ventilation duct 8 provided in the building A may differ not only in position and number but also in diameter, as illustrated in FIG. 2A. Therefore, the pipe 11 provided for the base plate 3 is a ventilation duct. Set the position and diameter according to 8.

  Here, when the hood 5 is attached to a plurality of ventilation ducts 8 arranged in parallel, when the hood attachment position is set in advance along the length direction of the attachment frame 2, the pipe 11 and the opening 12 of the base plate 3 are In addition to the center of the base plate 3, as shown in FIG.

  The illustrated filter member 4 can also be omitted. When a propeller fan is provided at the end opening of the ventilation duct 8, the base plate 3 is omitted, and the hood 5 is selected in shape and material. Further, the drawing shows an example in which a wind direction rectifying plate 19 having a substantially L-shaped cross section is attached to the front surface of the lower rail of the presser member 6 in an overlapping manner.

The hood attachment device of the present invention has the above-described configuration, and a method of attaching the hood 5 to the terminal opening that opens to the outer wall of the ventilation duct 8 provided in the building A using this device will be described.
<When installing a hood on a single duct>

  First, a base plate 3 provided with a pipe 11 and an opening 12 adapted to the position and diameter of the mounting frame 2 and the terminal opening of the ventilation duct 8 is prepared, and the mounting frame 2 is surrounded on the wall surface of the building so as to surround the terminal opening of the ventilation duct 8. And fix them by gluing or fastening fasteners.

  Since the mounting frame 2 has four projecting screw shafts 7a, the base plate 3 faces the front surface of the mounting frame 2 and the pipe 11 is inserted into the end opening of the ventilation duct 8. Meanwhile, the mounting holes 10 at the four corners are inserted into the screw shafts 7 a, and the base plate 3 is overlaid on the mounting frame 2.

  The filter member 4 facing the front surface of the base plate 3 is overlaid on the base plate 3 by inserting four corner mounting holes 15 into the screw shaft 7a, and the hood 5 is facing the front surface of the filter member 4 with the open surface facing down. The peripheral flange 17 is overlaid on the filter member 4 so that the hood 5 is accommodated between the four screw shafts 7a, and the frame-shaped presser member 6 is finally put on the hood 5 so as to cover the four corners. Are inserted into the screw shafts 7a, and in this state, nuts 7b are screwed onto the screw shafts 7a and tightened, as shown in FIGS. 2 and 3, the base plate 3, the filter member 4, and the hood with respect to the mounting frame 2. 5. The pressing member 6 is fixed in an overlapping state.

  When the hood 5 is attached to the front surface of the mounting frame 2 as described above, the opening of the pipe 11 connected to the ventilation duct 8 faces the outdoor side as shown in the enlarged longitudinal sectional view of FIG. 4 is covered with the wire mesh 13 and the lower side of the quadrangular pyramid-shaped hood 5 covers the front of the terminal opening of the ventilation duct 8 from the top and both sides by the triangular plate 16, as indicated by the arrows shown in FIG. Exhaust gas that has flowed out of the ventilation duct 8 through the pipe 11 and the opening 12 can be efficiently discharged with less generation of resistance outward and downward.

In addition, the quadrangular pyramid-shaped hood 5 that opens on the lower surface side has a shape in which each surface is inclined so that it is difficult to receive resistance to wind and rain from the outside.
<When installing a hood to multiple ventilation ducts in parallel>

  Prepare the mounting frame 2 with a size that can cover the terminal openings of the plurality of parallel ventilation ducts 8, and project the screw shafts 7 a at the upper and lower portions of the hood mounting positions corresponding to the terminal openings of the ventilation ducts 8. The base plate 3 that is superimposed on the front surface of the mounting frame 2 is provided with a pipe 11 and an opening 12 that match the position and diameter at the terminal opening of the ventilation duct 8 at each mounting position.

  The mounting frame 2 is overlapped on the wall surface of the building so as to surround the terminal opening of each ventilation duct 8, and is fixed by bonding or driving in a fastener.

  The base plate 3 corresponding to each mounting position faces the front surface of the mounting frame 1, the four corner mounting holes 10 are inserted into the screw shaft 7a, and the pipe 11 is inserted into the duct 8 from the terminal opening.

  Thereafter, in the same manner as described above, the filter member 4, the hood 5, and the presser member 6 are attached to the screw shaft at each attachment position, and the nut 7b screwed to the screw shaft 7a is tightened to be fixed to the attachment frame 2. Then, the attachment of the hood 5 is completed.

  When the hood 5 is attached to the terminal openings of the ventilation ducts 8 arranged in parallel in this way, the terminal openings of the ventilation ducts 8 have different diameters or steps in the vertical arrangement as shown in FIG. However, the hoods 5 that cover them all have the same size, and the hoods 5 are linearly arranged in the length direction of the mounting frame 2, so that the appearance due to the uneven size and position of the hoods as in the prior art. It can eliminate the unpleasant feeling and can improve the aesthetics of the building.

  FIG. 5 shows an example of the arrangement of the hood 5 in the case where the propeller fan 9 is attached to the terminal opening of the ventilation duct 8. In the drawing, in the drawing, a mounting frame for the terminal opening of the ventilation duct 8 to which the propeller fan 9 is attached. 2 and the hood 5 are made slightly larger than the others, but the shape of the hood 5 is the same, and the design can be unified.

  In the above description, the ventilation duct 8 is exemplified as the duct of the building. However, the hood attachment device of the present invention can be used by being attached to the inlet side end of the intake duct.

DESCRIPTION OF SYMBOLS 1 Hood mounting apparatus 2 Mounting frame 3 Base plate 4 Filter member 5 Hood 6 Holding member 7 Fastener 8 Ventilation duct 9 Propeller fan 10 Mounting hole 11 Pipe 12 Opening 13 Rectangular metal mesh 14 Peripheral material 15 Mounting hole 16 Triangular plate 17 Flange 18 Mounting hole 19 Current plate

Claims (4)

Hoods (5) are respectively attached to the end portions of the plurality of ventilation ducts (8) arranged in parallel, and the hoods (5) have the same size, and a propeller fan (9 ) Provided with
Is formed above the terminal openings of the duct (8) to the size of the rectangular frame shape surrounding each mounting frame fixed to the outer surface of the building (2), the duct in a state superimposed on the front surface of the mounting frame (2) A hood (5) that covers the terminal opening of (8), and a square frame-shaped presser member (6) that is disposed so as to press around the front side of the hood (5),
The hood (5) is overlapped on the mounting frame (2) via a flange (17) at the periphery thereof, and the pressing member (6) is mounted on the front surface of the flange (17) via the mounting hole (18). The screw shaft (7a) provided on the mounting frame (2) is inserted and overlapped, and a nut (7b) is screwed onto the screw shaft (7a) . The hood (5) is attached to the mounting frame (2). And a hood mounting device at the end of the duct in which a plurality of overlapping portions of the pressing member (6) are fixed by a fastener (7) comprising the screw shaft (7a) and a nut (7b) . Between the mounting frame (2) and the hood (5), an insertion pipe (11) to be inserted into the terminal opening of the duct (8) other than the one provided with the propeller fan (9) is fixed to the rear side, and the insertion The hood mounting device for a duct end portion according to claim 1, wherein a square plate-like base plate (3) having an opening at a portion to which the pipe (11) is fixed is disposed. The duct end hood according to claim 2 , further comprising a filter member (4) capable of covering the opening of the base plate (3) by being interposed between the base plate (3) and the hood (5). Mounting device. The hood (5) is formed into a quadrangular pyramid shape with one surface opened by gathering three triangular plates (16), and an attachment frame (2) or a base plate (3) is formed on the edge of each triangular plate (16). The hood mounting device for a duct end according to any one of claims 1 to 3, wherein a flange (17) is provided on the front surface of the duct.

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