JPH0926175A - Wall ventilation member - Google Patents

Abstract

(57) 【Abstract】 PROBLEM TO BE SOLVED: Even if there is some variation in the protruding length of a pipe, it is absorbed and attached in a predetermined state. Prevent rainwater from entering the pipe. A ventilation port member A is attached to an outdoor side of an opening formed by inserting a pipe into a wall body. A flange 5 to be attached to the outdoor surface of the wall body is provided on the outer periphery of the ventilation port member body 4. A mounting tube 6 that is inserted into the pipe is integrally formed on the back of the ventilation port member body 4. On the rear surface of the flange 5, a recess 7 is formed around the mounting cylinder 6 so that the outdoor end of the pipe is housed therein.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation for preventing rainwater from entering and insects from being installed on an outdoor side of an opening when a wall of a building is provided with an opening for ventilating a room or an attic. The present invention relates to the structure of the mouth member.

[0002]

2. Description of the Related Art Conventionally, this type of ventilation port member is formed by providing a louver portion for preventing water from entering and a net for preventing insects from entering, and penetrates a wall of a building. The outer peripheral flange of the ventilation port member is attached to the outer surface of the wall body.

[0003]

By the way, when the wall 1 of the building is provided with an opening penetrating in and out, it is formed by burying the pipe 2 in the wall 1 as shown in FIG.
The length a at which the tip of the outdoor end of the pipe 2 projects from the outdoor surface of the wall body 1 varies depending on the construction. Pipe 2
When the protruding length a is long, when the ventilation port member is attached to the outdoor side surface of the wall body 1, there is a gap between the rear surface of the flange and the outdoor side surface of the wall body 1, and the appearance when attached is There is a problem that it deteriorates and there is a problem that rainwater enters through the gap between the flange and the outdoor side surface of the wall body 1.
If the protruding length a of the pipe 2 is short, a gap is created between the rear surface of the flange and the end surface of the pipe 2, and rainwater that has entered from between the flange and the outdoor side surface of the wall 1 enters the pipe 2. May occur.

According to the present invention, even if there is some variation in the protruding length of the pipe, it can be absorbed and attached in a predetermined state, and rainwater can be prevented from entering the pipe. It is an issue.

[0005]

A ventilation port member A of a wall surface of the present invention is attached to an outdoor side of an opening 3 formed by penetrating a wall 2 with a pipe 2 and has a periphery of a ventilation port member main body 4. A flange 5 to be attached to the outdoor surface of the wall body 1 is provided on the outer periphery of the wall body 1, and a mounting cylinder 6 to be inserted into the pipe 2 is integrally formed on the back part of the ventilation port member main body 4, and around the mounting cylinder 6 on the back surface of the flange 5. It is characterized in that a concave portion 7 for accommodating the outdoor side end of the pipe 2 is provided over the entire circumference. As a result, when the attachment tube 6 is inserted into the pipe 2 and the flange 5 is brought into contact with the outdoor side surface of the wall body 1 and the ventilation port member A is attached, the end portion of the pipe 2 can be accommodated in the recess 7.
Even if there is some variation in the protruding length of the wall, the recess 7 can absorb and mount it, and the flange 5 and the outdoor side surface of the wall 1 can be mounted without forming a gap. Further, since the outdoor end of the pipe 2 is housed in the recessed portion 7, the pipe 2 can be installed to a certain extent, and the flange 5 and the wall body 1 can be secured in order to secure the amount of outdoor projection of the pipe 2.
Pipe 2 even if rainwater enters through the gap between the outdoor side of
It is possible to prevent rainwater from entering the inside. Moreover, the mounting cylinder 6
The ventilation port member A can be positioned and mounted at a predetermined position for inserting the ventilation port member A into the pipe 2 and mounting the ventilation port member A easily and accurately, and the flange 5 and the wall It is possible to prevent rainwater from entering the pipe 2 even if rainwater enters from the outside of the body 1.

It is also preferable that the outside of the ventilation port member body 4 from the flange 5 is rectangular and the mounting cylinder 6 is cylindrical. In this case, even if the wall body 1 is provided with the circular opening 3 by the circular pipe 2, the portion exposed to the outdoor side can be made into a square shape, and the appearance can be good. Further, the front plate member 8 made of metal, the intermediate plate member 9 made of metal, and the rear plate member 10 made of metal are wholly constituted, and the front plate member 8 is provided with a convex surface portion 11 which is bent in a substantially truncated pyramid shape toward the front side, and the convex surface portion An opening 12 is provided in the lower part of 11, and a plurality of louver portions 13 are formed by cutting and raising in an intermediate plate material 9, and a mounting cylinder 6 is projectingly provided on a back plate material 10 so as to project backward, and an outer circumference of a front plate material 8. It is also preferable that the flange portion 8a, the outer peripheral flange portion 9a of the intermediate plate member 9, and the outer peripheral flange portion 10a of the back plate member 10 are overlapped and integrated. In this case, after the front plate member 8, the intermediate plate member 9, and the back member 10 are processed by press working, the ventilation port member A can be formed simply by assembling them, and the assembly can be easily performed with a small number of parts. Further, since the portion exposed to the outdoors can be integrally formed with the front plate member 8, the appearance can be improved.

Further, it is also preferable that a locking claw 14 which is hooked and locked on the inner surface of the pipe 2 is cut and raised on the outer surface of the mounting cylinder 6. In this case, when the mounting cylinder 6 is inserted into the pipe 2 and mounted, the locking claws 14 are locked to the inner surface of the pipe 2 so that the ventilation port member A can be reliably temporarily fixed and the ventilation port after the mounting. The member A can be securely attached so that it does not rattle.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION As shown in FIGS. 1 to 7, a ventilation port member A has an outer periphery of a ventilation port member body 4 having a louver portion 13 for preventing rainwater from entering and a net 15 for preventing insects from entering. It is formed by providing a flange 5 and a mounting tube 6 on the back of the ventilation port member body 4. The ventilation port member A includes a front plate member 8, an intermediate plate member 9 and a back plate member 10.
Are formed by assembling these members. Front plate member 8, intermediate plate member 9 and back plate member 1
0 is formed of a metal plate such as a stainless steel plate.

The front plate 8 is a rectangular plate, and is formed into a predetermined shape by pressing the front plate 8. A flange portion 8a is provided on the peripheral edge of the front plate member 8, and a convex surface portion 11 having a substantially truncated pyramid shape is convexly curved at the central portion excluding the flange portion 8a so as to project forward.
A rising portion 16 is formed over the entire circumference between the substantially pyramid-shaped convex surface portion 11 and the inner circumference of the flange portion 8. An opening 12 is formed on the lower slope of the convex portion 11 so as to cover the entire surface. On the outer periphery of the flange portion 8a, a bent edge 8b bent backward is provided over the entire circumference.

The intermediate plate material 9 is also a rectangular plate material, and is formed into a predetermined shape by pressing the intermediate plate material 9. A flange portion 9a is provided on the peripheral edge of the intermediate plate member 9, and a bent edge 9b is formed from the outer periphery of the flange portion 9a toward the back. A rising portion 17 along the rising portion 16 of the front plate material 9 is raised from the inner periphery of the intermediate plate material 9 over the entire circumference, and a plurality of louver portions 13 are vertically arranged in parallel on the front surface portion surrounded by the rising portion 17. It is formed by cutting and raising.

The back plate 10 is also a rectangular plate, and is formed into a predetermined shape by pressing the back plate 10. A flange portion 10 is provided on the periphery of the back plate material 10.
a is provided, and a bent edge 10b is formed from the outer periphery of the flange portion 10a toward the back. Flange part 10
A cylindrical mounting tube 6 is integrally projecting from the inner periphery of a toward the back, and a concave portion 7 is formed in the flange portion 10a at the outer periphery of the root of the mounting tube 6 so as to be recessed forward.
Is provided all around.

The ventilation port member A is assembled by assembling the front plate member 8, the intermediate plate member 9, and the back plate member 10 which have been pressed as described above. Before the ventilation port member A is assembled, the net 15 is attached to the opening 12 of the front plate member 8 in advance. The front plate member 8, the intermediate plate member 9, and the back plate member 10 are sequentially arranged in the front-rear direction, and the three flanges 8 are provided.
a, 9a, 10a are overlapped with each other, and three bent edges 8b, 9b, 10b are overlapped with each other, and the rising portion 17 of the intermediate plate member 9 is arranged along the inner circumference of the rising portion 16 of the front plate member 8 and the three flange portions 8a, The mounting holes 18 are drilled at the four corners of the flange 5 on which 9a and 10a are overlapped. This mounting hole 18 has three flange portions 8a,
It is formed by punching 9a and 10a in a stacked state, and the three flange portions 8a, 9a and 10a are integrally connected by caulking the inner surface of the mounting hole 18 by punching.

Further, the ventilation port member A constructed as described above
Further has the following structure. When the ventilation port member A is attached, a drain hole 19 is drilled so as to pass through the rising portion 16 and the rising portion 17 at a position below, so that rainwater that has penetrated beyond the louver portion 13 can be drained. There is. A plurality of locking claws 14 are cut and raised outward so as to project outwardly on the outer periphery of the mounting cylinder 6, and a serration-shaped locking unevenness 20 is provided at the tip of the locking claws 14. . In this example, three locking claws 14 are provided at equal intervals in the circumferential direction. An inwardly projecting edge 21 projecting toward the inner circumference is provided at the end portion of the mounting cylinder 6 on the back side. Further, a reinforcing rib 22 is convexly curved on the inner circumference of the flange portion 10a of the back plate member 10.

Further, the ventilation port member A is mounted on the wall body 1 as follows. As shown in FIG. 9, a circular pipe 2 is embedded in the air ventilated portion of the wall body 1 so as to penetrate inward and outward, and an opening 3 is formed in the pipe 2. When the pipe 2 is embedded in the wall body 1, the outdoor end of the pipe 2 is attached so as to slightly project from the surface of the wall body 1 on the outdoor side. A ventilation port member A is arranged on the outdoor side of the opening 3 and
The mounting cylinder 6 is inserted into the pipe 2, and the flange 5 is brought into contact with the outdoor side surface of the wall body 1. When the mounting cylinder 6 is inserted into the pipe 2, the locking claws 14 are locked to the inner surface of the pipe 2, and the mounting cylinder 6 is temporarily fixed so as not to come off from the pipe 2. Further, in this state, the outdoor end of the pipe 2 is housed in the recess 7 of the ventilation port member A. With the flange 5 of the ventilation port member A in contact with the outdoor side surface of the wall body 1, a screw tool such as a self-drilling screw is inserted from the mounting hole 18 and fixed to the wall body 1. By mounting the ventilation port member A in this manner, the ventilation port member A can be mounted without forming a gap between the ventilation port member A and the surface of the wall body 1 on the outdoor side, and rainwater that propagates along the outdoor side surface of the wall body 1 Can be prevented from penetrating inside. Even if rainwater enters from between the flange 5 and the outdoor side surface of the wall body 1, rainwater does not enter the pipe 2 because the outdoor end of the pipe 2 projects. Further, since the opening 12 provided in the convex portion 11 faces downward with the ventilation port member A attached, it is difficult for rainwater to enter the inside from the opening 12. At this time, since the net 15 is attached to the opening 12, insects and the like can be prevented from entering. Even if rainwater enters through the opening 12, the louver portion 13 is prevented from further entering rainwater. Also, even if the louver portion 13 is crossed, the back plate 1
No further intrusion is prevented by the flange portion 10a of 0, and the invading rainwater is discharged to the drain hole 19 or the outside.

Ventilation is performed by attaching the ventilation port member A to the wall body 1 as described above. The places for ventilation include a toilet room, a bathroom, a general room, an attic of a roof, and the like. It is used by being attached to the wall body 1 which is the outer wall of these portions.

[0016]

As described above, according to the present invention, as described above, the concave portion for accommodating the outdoor side end of the pipe is formed around the mounting cylinder on the rear surface of the flange, so that the mounting cylinder is inserted into the pipe. However, when the ventilation port member is attached by abutting the flange on the outdoor side surface of the wall, the end of the pipe will fit in the recess, and even if there is some variation in the protruding length of the pipe, it will be absorbed by the recess and installed. The ventilation port member can be mounted in a predetermined state with good appearance and can be mounted so that there is no gap between the flange and the outdoor side surface of the wall body, and from between the flange and the outdoor side surface of the wall surface. It can be installed so that rainwater does not enter, and due to the structure that the outdoor side end of the pipe is housed in the recess, the pipe can be installed to the extent that it protrudes, and the amount of protrusion of the pipe on the outdoor side can be reduced. Since it can be kept, even if rainwater enters through the gap between the flange and the outdoor side surface of the wall body, it can prevent rainwater from entering the pipe, and further insert the mounting tube into the pipe to open the ventilation port. In order to attach the member, the ventilation port member can be positioned and attached at a predetermined position, so that the ventilation port member can be attached easily and accurately and the pipe can be installed even if rainwater enters from between the flange and the outdoor side surface of the wall body. It is possible to prevent rainwater from entering the inside.

According to the second aspect of the present invention, since the outdoor side of the flange of the ventilation port member main body is rectangular and the mounting cylinder is cylindrical, a circular pipe is used to form a circular pipe on the wall. Even if the opening is provided, the exposed portion on the outdoor side can be constructed in a square shape and can be constructed in good appearance. Further, in the invention according to claim 3 of the present invention, the whole is made up of a metal front plate member, a metal intermediate plate member, and a metal back plate member, and the front plate member is protruded in a substantially truncated pyramid shape toward the front side. A curved convex portion is provided and an opening is provided at the bottom of the convex portion,
Formed by cutting and raising multiple louver parts on the intermediate plate material,
Attach the mounting tube to the back plate to project backwards,
Since the outer peripheral flange portion of the front plate material, the outer peripheral flange portion of the intermediate plate material, and the outer peripheral flange portion of the rear plate material are overlapped and integrated, after processing the front plate material, the intermediate plate material, and the rear member by pressing, these The ventilation port member can be formed only by assembling it integrally, and can be easily assembled with a small number of parts. Also, since the part exposed to the outdoors can be integrally formed by the front plate material, the appearance can be improved.

Further, in the invention according to claim 4 of the present invention, since the locking claw for hooking and locking the inner surface of the pipe is cut and raised on the outer surface of the mounting cylinder, the mounting cylinder is inserted into the pipe and mounted. In this case, the locking claws are locked to the inner surface of the pipe so that the ventilation port member can be surely temporarily fixed when the ventilation port member is attached, and the ventilation port member can be surely attached so as not to rattle after the attachment.

[Brief description of drawings]

FIG. 1 shows an example of a ventilation port member of the present invention, which is taken along the line AA in FIG.
It is sectional drawing cut | disconnected by the line.

FIG. 2 is a front view of the same.

FIG. 3 is a plan view of the above.

FIG. 4 is a bottom view of the same.

FIG. 5 is a rear view of the same.

FIG. 6 is a side view of the same.

FIG. 7 is a cross-sectional view taken along the line BB of FIG.

FIG. 8 is an exploded perspective view of the entire same as above.

FIG. 9 is a cross-sectional view showing a state in which a ventilation port member is attached to the same wall body.

10 is an enlarged sectional view of a main part of FIG. 9;

FIG. 11 is a cross-sectional view showing how the pipe is attached to the wall body.

[Explanation of symbols]

 A Ventilation port member 1 Wall 2 Pipe 3 Opening 4 Ventilation port member body 5 Flange 6 Mounting cylinder 7 Recess 8 Front plate 8a Flange 9 Intermediate plate 9a Flange 10 Back plate 10a Flange 11 Convex 12 Open 13 Louver 14 Locking claw

Claims (4)

[Claims] 1. A ventilation port member attached to an outdoor side of an opening formed by penetrating a pipe in a wall body, wherein a flange to be attached to an outdoor surface of the wall body is provided on an outer periphery of a periphery of the ventilation port member body. It is characterized in that a mounting tube to be inserted into the ventilation port member body is integrally formed on the back of the ventilation port member body, and a concave portion for accommodating the outdoor side end of the pipe is formed around the mounting tube on the back surface of the flange over the entire circumference. Ventilation member on the wall. 2. The ventilation port member for a wall surface according to claim 1, wherein the ventilation port member main body has a rectangular shape on the outdoor side with respect to the flange, and the mounting cylinder has a cylindrical shape. 3. A front plate made of metal, an intermediate plate made of metal, and a back plate made of metal are wholly formed, and the front plate is provided with a convex portion that is convexly bent in a substantially truncated pyramid shape toward the front side, and the convex portion An opening is provided in the lower part, a plurality of louvers are cut and raised in the intermediate plate, and a mounting tube is projected on the back plate so as to project backward, and the flange part of the outer periphery of the front plate and the outer periphery of the intermediate plate The wall surface ventilation port member according to claim 1 or 2, wherein the flange portion and the outer peripheral flange portion of the back plate material are overlapped and integrated. 4. The ventilation port member for a wall surface according to claim 1, wherein the outer surface of the mounting cylinder is formed by cutting and raising a locking claw for hooking and locking the inner surface of the pipe.