JP5260351B2 - Ventilation sleeve mounting structure and ventilation sleeve construction method - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a ventilation sleeve mounting structure and a ventilation sleeve construction method, and more particularly to a ventilation installation sleeve mounting structure and a ventilation sleeve construction method having both high airtightness and moisture resistance. .

When installing ventilation members, equipment, piping, etc. on the outer wall of an airtight house, a through hole is formed in the airtight layer composed of polyethylene film, etc. when the outer wall through hole is constructed, and the ventilation member is formed in this through hole.・ Insert equipment and piping (including ventilation fan integrated type).
In this case, these are often inserted as they are after the through holes are formed.
In addition, when performing construction to ensure airtightness, it is generally formed between the through hole opening and the outer periphery of the insert after inserting a member, device, piping, etc. into the through hole. In many cases, the gap is closed with an airtight tape or the like.
Furthermore, when installing a ventilation device / member / pipe on the outer wall of a confidential house, a sleeve device may be used (for example, see Patent Document 1 and Patent Document 2).

The ventilation sleeve device of Patent Document 1 mainly includes a cylindrical sleeve and a flange portion provided at one end of the cylindrical sleeve.
The cylindrical portion is inserted into a hole formed so as to penetrate the outer wall material, the interior material, and the heat insulating material, thereby forming an air flow path between the room and the outdoors.
Moreover, this sleeve apparatus is fixed to a predetermined position by attaching a flange part to the inner wall side of the interior material.
An annular first nut and second nut are turned on the side surface of the sleeve, and a heat insulating material is sandwiched between the first nut and the second nut.

Moreover, the sleeve tube for a ventilation port of patent document 2 has a cylindrical main body part and an annular flange part as main components.
The main body is inserted into a hole formed so as to penetrate the outer wall, the interior board, and the heat insulating material, thereby forming an air flow path between the room and the outdoors.
Moreover, a flange part is arrange | positioned in the boundary part of the wall internal side surface of an outer wall, and a heat insulating material.
The flange portion is formed with a plurality of slits so that a mark attached to the inner side surface of the outer wall can be seen.

JP 2007-262732 A Japanese Patent Laying-Open No. 2005-330653

As described above, it is a common practice to form an arrangement space for indoor and outdoor air flow paths / members using cylindrical members called sleeves shown in Patent Document 1 and Patent Documents.
However, even if such a sleeve is used, a gap is generated between the sleeve (particularly the end close to the opening side) and the through-hole formed in the wall, and moisture in the room is not There was a problem that it could penetrate inside and cause internal condensation.
In other words, the gap formed between the sleeve (particularly the end close to the opening side) and the through-hole formed in the wall body reduces the airtightness and moisture resistance. It was happening.

  An object of the present invention is to solve the above-mentioned problems, and it is possible to improve airtightness and moisture-proofness by reducing a gap formed between the through-holes formed in the wall body. An object of the present invention is to provide a ventilation sleeve mounting structure and a ventilation sleeve construction method.

  According to the invention according to claim 1, the above-described problem is inserted into a through-hole formed in a wall panel configured to have a frame and a face material attached to at least one of the front and back surfaces of the frame. A ventilation sleeve mounting structure for installing a ventilation member, wherein the ventilation sleeve is configured to have at least a cylindrical main body, and a sheet material is provided on an inner surface of the face material Is attached, and the sheet material located in the opening portion of the through hole is cut and is folded in the inner surface direction of the face material, so that the opening portion is communicated, The cut portion of the sheet material is folded and fixed to the inner wall surface of the ventilation sleeve from the opening end portion disposed on the opening portion side of the through hole of the ventilation sleeve, whereby the ventilation On the opening side of the sleeve A gap formed between the open end portion and the surface material to be can be solved by being blocked by the sheet material.

  Moreover, according to the invention which concerns on Claim 4, the said subject is a through-hole formed in the wall panel comprised by having a frame material and the face material affixed on at least one of the front and back of this frame body. A method for constructing a ventilation sleeve for installing a ventilation member that is inserted into a portion aligned with the opening of the through hole of the sheet material affixed to the inner surface of the face material, from a substantially central point A first step of making a radial cut, and inserting the main body into the through hole and the ventilation sleeve having at least a cylindrical main body so that one end of the main body is close to the through hole A second step of cutting the sheet material into the inner wall surface of the main body portion from the one end side disposed on the opening portion side of the through hole of the main body portion. The book is folded and fixed along the peripheral edge of the opening. It is solved by performing the third step of closing the one end disposed on the opening portion side of the parts and the gap formed between the surface material by the sheet material.

As described above, according to the present invention, a radial cut is made from a substantially central point into a portion that matches the opening portion of the through hole of the sheet material affixed to the inner surface of the face material, and the sheet material is cut. The part is folded and fixed to the inner wall surface of the main body part from the one end side disposed on the through hole opening part side of the main body part along the peripheral edge part of the opening part of the through hole.
Therefore, the gap formed between the one end portion disposed on the opening portion side of the main body portion and the face material is closed by the bent portion of the sheet material (near the peripheral edge portion of the opening portion of the through hole).
Therefore, the gap formed by disposing the ventilation sleeve can be reliably closed.

  At this time, the portion of the sheet material that is located at the opening portion of the through hole is cut radially from a substantially central point, along the peripheral edge of the opening portion of the through hole, to the inner wall surface of the ventilation sleeve. The gap formed between the one end portion disposed on the opening portion side of the main body portion and the face material is surely and easily fixed to the bent portion of the sheet material (opening of the through hole). It can be occluded by the vicinity of the periphery of the part).

Further, at this time, it is preferable that the sheet material is a material having at least one property selected from moisture impermeable, moisture impermeable, and heat insulating properties.
Since it is configured in this way, the gap formed between the one end portion disposed on the opening portion side of the main body portion and the face material is set at the bent portion of the sheet material (near the peripheral portion of the opening portion of the through hole). ) To improve airtightness and moisture resistance.

In the present invention, a radial cut is made from a substantially central point to a portion aligned with the opening portion of the through hole of the sheet material affixed to the inner surface of the face material, and the cut portion of the sheet material is The ventilation sleeve is disposed by folding and fixing the one end portion disposed on the through hole opening portion side to the inner wall surface of the main body portion along the peripheral edge portion of the opening portion of the through hole.
For this reason, the gap formed between the one end portion disposed on the opening portion side of the main body portion and the face material is closed by the bent portion of the sheet material (near the peripheral portion of the opening portion of the through hole).
Therefore, it is possible to reliably close the gap formed by disposing the ventilation sleeve, and to improve the airtightness and moisture resistance.

It is a perspective view of the sleeve which concerns on one Embodiment of this invention. It is explanatory drawing which shows the attachment state of the sleeve which concerns on one Embodiment of this invention, and an exhaust apparatus. It is explanatory drawing which shows the attachment procedure of the external hood which concerns on one Embodiment of this invention. It is explanatory drawing which shows the attachment procedure of the exhaust fan which concerns on one Embodiment of this invention. It is explanatory drawing which shows the state of the sealing which concerns on one Embodiment of this invention. It is explanatory drawing which shows the attachment state of the exhaust duct which concerns on one Embodiment of this invention. It is explanatory drawing which shows the state of the sealing which concerns on one Embodiment of this invention. It is explanatory drawing which shows the exhaust fan and exhaust duct which concern on one Embodiment of this invention, and an attachment state.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
Note that the configuration described below does not limit the present invention and can be variously modified within the scope of the gist of the present invention.
In this embodiment, the sleeve installation structure for piping installation and the piping installation can improve the airtightness and moisture resistance by reducing the gap formed between the through-holes formed in the outer wall, the inner wall, etc. The present invention relates to a sleeve construction method.

  1 to 8 show an embodiment according to the present invention. FIG. 1 is a perspective view of a sleeve, FIG. 2 is an explanatory view showing a mounting state of the sleeve and the exhaust device, and FIG. FIG. 4 is an explanatory diagram showing the procedure for installing the exhaust fan, FIG. 5 is an explanatory diagram showing the state of sealing, FIG. 6 is an explanatory diagram showing the mounting state of the exhaust duct, and FIG. 7 is the state of sealing. FIG. 8 is an explanatory diagram showing the exhaust fan and the exhaust duct and their attached state.

First, the sleeve S1 according to the present embodiment will be described with reference to FIG.
As shown in FIG. 1A, the sleeve S <b> 1 according to this embodiment includes a cylindrical main body 1 and a peripheral edge 2.
This sleeve S1 corresponds to a ventilation sleeve.

A peripheral edge 2 is formed on the peripheral edge of one end of the cylindrical main body 1 of the sleeve S1 according to the present embodiment.
The peripheral edge portion 2 is formed as a cylindrical portion whose outer surface portion is a frustoconical outer surface.
In other words, the peripheral edge portion 2 has a circular opening portion that is continuous from the opening portion of the main body portion 1 and is concentrically disposed with the opening portion and has a circumference slightly larger than the circumference of the main body portion 1. It is formed as follows.

The “sleeve” may have any shape depending on the structure of the wall body to be attached, such as a flange, as long as it has the main body 1.
For example, FIG. 1B shows a configuration in which another flange is formed.
In this example, the “sleeve” (hereinafter referred to as “sleeve S2”) includes a main body portion 1 and a flange portion 3.

The main body 1 constituting the sleeve S2 is a cylindrical member, and an annular flange portion 3 is disposed on one end side thereof.
The flange portion 3 is disposed in a state where the main body portion 1 is penetrated through the central portion thereof, but is disposed at a position slightly shifted from the one end portion side to the other end portion side.
Thus, if it is the structure which can penetrate the wall body and can form the space which inserts each member in the inside (that is, if it has the main-body part 1), what kind of structure will it be? Also good.

Next, the mounting structure of the sleeve S1 according to this embodiment will be described with reference to FIGS.
In the present embodiment, an example in which a sleeve S1 that does not include the flange portion 3 is used will be described.
As shown in FIG. 2A, the sleeve S1 according to the present embodiment is inserted into a through hole W3 formed so as to penetrate the outer wall panel W1.
Further, as shown in FIG. 2B, an external hood H is inserted and fixed in the outdoor side opening of the outer wall panel W1 in the sleeve S1, and an exhaust fan F is inserted in the indoor side opening. Then, the ventilation device K1 is constructed.

In FIG. 3, the attachment procedure of the external hood H is shown.
As shown in FIG. 3A, a sleeve S1 is disposed in a through hole W3 formed so as to penetrate the outer wall panel W1.
As shown in FIG. 3 (b), the external hood H has a through-hole through the external hood insertion portion H2 with the hood cover H1 facing outward from the opening in the sleeve S1 (outside wall panel W1 outdoor side opening). By being inserted into W3, it is arranged in the sleeve S1.
The outer hood insertion portion H2 outer peripheral portion is subjected to a process of applying sealing D1 over the entire periphery.
Further, as shown in FIG. 3C, the inserted external hood H is fixed to the outer wall panel W1 with screws or the like. After this fixing, the boundary portion between the outer wall panel W1 and the outer hood H is Processing for applying sealing D2 is performed.

FIG. 4 shows a procedure for attaching the exhaust fan F.
The aluminum vapor deposition sheet R is affixed inside the indoor side material W12.
For this reason, as shown in FIG. 4A, before the exhaust fan F is arranged, the indoor side opening of the through hole W3 (that is, the circular opening formed in the indoor side material W12) is the aluminum vapor deposition sheet R. Is blocked.
The aluminum vapor deposition sheet R corresponds to a sheet material.
The aluminum vapor-deposited sheet R has humidity impermeableness and moisture impermeableness, but other material sheet materials having other properties (for example, heat insulating properties) may be selected.

Next, as shown in FIG. 4B, the aluminum vapor deposition sheet R that closes the indoor side opening of the through hole W3 is cut radially from the center.
That is, in the initial state, the through hole W3 does not penetrate and is closed.
Then, the through hole W3 penetrates by cutting radially from the central portion and folding it inward.

  Next, as shown in FIG. 4C, the aluminum vapor-deposited sheet R is bent toward the inner wall surface of the opening on the indoor side of the sleeve S1, which is already disposed, Fix to the inner wall surface of S1 with an airtight tape T or the like.

Thus, by fixing the cut aluminum vapor deposition sheet R to the inner wall surface of the opening on the indoor side of the sleeve S1, the boundary between the indoor side end of the sleeve S1 and the indoor opening end of the through hole W3 is sealed. be able to.
Thus, by sealing this boundary portion, it is possible to ensure moisture resistance and waterproofness more reliably.
Further, after fixing the aluminum vapor-deposited sheet R to the inner wall of the sleeve S1, the auxiliary sleeve J is inserted and fixed toward the sleeve S1 from the indoor opening of the through hole W3.

Next, as shown in FIG. 4 (d), after the electrical connection is made, the exhaust fan F is inserted from the auxiliary sleeve J to the sleeve S1, and the exhaust fan is connected to the indoor side member W12 as shown in FIG. 4 (e). Fix the body of F.
Finally, as shown in FIG. 4F, a cover is attached to the exhaust fan F, and the installation work is completed.

Next, referring to FIG. 5, the state of sealing at the boundary between the indoor side end of the sleeve S1 and the indoor side open end of the through hole W3 will be described.
The aluminum vapor-deposited sheet R is affixed to the inside of the indoor side wall material W12, and the aluminum vapor-deposited sheet R cut as described above is bent toward the inner surface of the opening on the indoor side of the sleeve S1, and the sleeve S1 The inner wall surface of the opening (the inner wall surface of the indoor opening) is fixed with an airtight tape T.

For this reason, the gap | interval M which arises in the boundary part of the indoor side edge part of the sleeve S1 and the indoor side surface material W12 can be sealed more reliably.
That is, the gap M, which is the adjacent portion, is sealed by being folded along the periphery of the opening (circular periphery) formed in the indoor side member W12.
In this state, the auxiliary sleeve J is inserted and fixed toward the sleeve S1 from the indoor opening of the through hole W3.

The procedure for disposing the exhaust duct U without disposing the exhaust fan F will be described with reference to FIG.
Since the procedure for attaching the sleeve S1 and the external hood H is the same as described above, the description thereof is omitted.

Similarly to the above, the aluminum vapor deposition sheet R is affixed inside the indoor side surface material W12.
For this reason, as shown in FIG. 6A, before the exhaust fan F is disposed, the indoor side opening of the through hole W3 is closed by the aluminum vapor deposition sheet R.
Next, as shown in FIG. 6B, the aluminum vapor deposition sheet R that closes the indoor side opening of the through hole W3 is cut radially from the center.

  Next, as shown in FIG. 6 (c), this aluminum vapor-deposited sheet R is bent toward the inner wall surface of the opening on the indoor side of the sleeve S1, which has already been disposed, Fix to the inner wall surface of S1 with an airtight tape T or the like.

In this way, by fixing the cut aluminum vapor deposition sheet R to the inner wall surface of the opening portion on the indoor side of the sleeve S1, the boundary portion between the indoor side end portion of the sleeve S1 and the indoor side surface material W12 can be sealed.
Further, after fixing the aluminum vapor-deposited sheet R to the inner wall of the sleeve S1, the sleeve nipple N is inserted and fixed toward the sleeve S1 from the indoor opening of the through hole W3.

Next, as shown in FIG. 6 (d), the boundary between the indoor side material W12 and the sleeve nipple N is sealed with an aluminum tape Q1.
Next, as shown in FIG. 6E, after the duct U is fixed to the end of the sleeve nipple N, the boundary between the sleeve nipple N and the duct U is sealed with aluminum tape Q2.

Next, referring to FIG. 7, the state of sealing at the boundary between the indoor side end of the sleeve S1 and the indoor side open end of the through hole W3 will be described.
The aluminum vapor-deposited sheet R is affixed to the inside of the indoor side wall material W12, and the aluminum vapor-deposited sheet R cut as described above is bent toward the inner surface of the opening on the indoor side of the sleeve S1, and the sleeve S1 The inner wall surface of the opening (the inner wall surface of the indoor opening) is fixed with an airtight tape T.

For this reason, the gap | interval M which arises in the boundary part of the indoor side edge part of the sleeve S1 and the indoor side surface material W12 can be sealed more reliably.
In this state, the sleeve nipple N is inserted and fixed from the indoor side opening of the through hole W3 toward the sleeve S1.

FIG. 8A shows a state where the external hood H and the exhaust fan F are installed in this manner, and FIG. 8B shows a state where the external hood H and the duct U are installed.
Thus, the external hood H and the exhaust fan F, or the external hood H and the duct U can be attached to the through hole W3 formed in the outer wall panel W1 via the sleeve S1.
At this time, the boundary portion between the end portion (the indoor side end portion) of the sleeve S1 and the indoor side surface material W12 is closed by the aluminum vapor deposition sheet R that has been cut and fixed as described above.
For this reason, airtightness and moisture resistance are ensured reliably.

DESCRIPTION OF SYMBOLS 1 Main-body part 2 Peripheral part 3 Flange part D1, D2 Sealing F Exhaust fan H External hood H1 Hood cover H2 External hood insertion part J Auxiliary sleeve K1 Ventilator N Sleeve nipple Q1, Q2 Aluminum tape R Aluminum vapor deposition sheet S1, S2 Ventilation sleeve T Airtight tape U Duct W1 Outer wall panel W12 Interior side material W3 Through hole

Claims (5)

Attaching a ventilation sleeve for installing a ventilation member inserted into a through-hole formed in a wall panel having a frame and a face material attached to at least one of the front and back surfaces of the frame Structure,
The ventilation sleeve is configured to have at least a cylindrical main body,
Sheet material is affixed to the inner surface of the face material,
The sheet material located at the opening portion of the through hole is cut and folded in the inner surface direction of the face material, whereby the opening portion is configured to communicate, and the sheet material is cut. The opening portion side of the ventilation sleeve is fixed by being folded and fixed to the inner wall surface of the ventilation sleeve from the opening end portion disposed on the opening portion side of the through hole of the ventilation sleeve. A ventilation sleeve mounting structure, wherein a gap formed between an opening end portion disposed on the surface and the face material is closed by the sheet material.   A portion of the sheet material positioned at the opening portion of the through hole is cut radially from a substantially central point, and is folded into the inner wall surface of the ventilation sleeve along the peripheral edge portion of the opening portion of the through hole. The ventilation sleeve mounting structure according to claim 1, wherein:   The ventilation sleeve according to claim 1 or 2, wherein the sheet material is a material having at least one property selected from moisture impermeable, moisture impermeable, and heat insulating properties. Mounting structure. Construction of a ventilation sleeve for installing a ventilation member inserted into a through-hole formed in a wall panel having a frame and a face material attached to at least one of the front and back surfaces of the frame A method,
A first step of making a radial cut from a substantially central point in a portion aligned with the opening portion of the through hole of the sheet material affixed to the inner surface of the face material;
A second step of inserting the body portion into the through hole and the ventilation sleeve having at least a cylindrical body portion so that one end portion of the body portion is close to the through hole;
The cut portion of the sheet material is disposed on the inner wall surface of the main body portion from the one end side disposed on the opening portion side of the through hole of the main body portion, and on the peripheral portion of the opening portion of the through hole. And performing a third step of closing the gap formed between the one end portion disposed on the opening portion side of the main body portion and the face material with the sheet material. Construction method of the sleeve for ventilation.   The method for constructing a ventilation sleeve according to claim 4, wherein the sheet material is a material having at least one property selected from moisture impermeable, moisture impermeable, and heat insulating properties.

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