JP6950987B2 - Ventilation port sleeve tube - Google Patents

Description

The present invention relates to a sleeve pipe for a ventilation port that exchanges indoor and outdoor air through the outer wall of a building.

As a sleeve tube for a ventilation port, Patent Document 1 describes a sleeve tube including a cylindrical main body portion and a flange portion protruding from the outer periphery of the main body portion. In the sleeve pipe described in Patent Document 1, the main body portion is inserted into an insertion hole provided in the outer wall of the building. The flange portion has a plurality of through portions through which wood screws or the like for attaching the sleeve tube to the outer wall are inserted, and a slit for alignment.

The slit for alignment is formed so that the mark marked on the wall surface can be visually recognized, and by visually recognizing the mark on the wall surface through the slit, whether the center of the sleeve tube and the center of the insertion hole match. , It can be confirmed whether the horizontal direction and the vertical direction are correctly output.

Japanese Unexamined Patent Publication No. 2005-330653

However, in the sleeve pipe described in Patent Document 1, when the sleeve pipe is screwed to the outer wall of the building, one of the sleeve pipes is used so that the center of the sleeve pipe does not shift or the horizontal and vertical directions do not shift. Must be held firmly by hand. Therefore, it is necessary to operate a tool such as an electric screwdriver with one hand, which requires a certain amount of strength, and it is necessary to pay close attention so that the center of the sleeve tube does not shift even while screwing. , It takes skill to install the sleeve pipe for the ventilation port.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a sleeve tube for a ventilation port that can be easily attached.

The sleeve tube for a ventilation port disclosed in the present application includes a cylindrical main body portion (10), a flange portion (20), and a plurality of contact pieces (30). The main body (10) is inserted into an insertion hole (2) provided in the outer wall (1) of the building. The flange portion (20) is formed so as to project from the outer periphery of the main body portion (10), and a penetrating portion (21) for fixing to the outer wall (1) of the building is formed. The plurality of contact pieces (30) are formed so as to project from the flange portion (20) on the outer periphery of the main body portion (10) toward the tip end side in the insertion direction (X1), and the main body portion (10) is formed into the insertion hole. When inserted in (2), the main body portion (10) is pressed toward the radial center (S) of the insertion hole (2). Further, the plurality of contact pieces (30) have a slope portion (31). The slope portion (31) comes into contact with one end portion (2a) of the insertion hole (2) when the main body portion (10) is inserted into the insertion hole (2).

In the ventilation port sleeve tube disclosed in the present application, the plurality of contact pieces (30) are obliquely inclined with respect to the axial direction of the main body portion (10) toward the opposite direction (X2) of the insertion direction (X1). It is a tongue piece-like member that can be elastically flexed and deformed.

Further, the sleeve tube for the ventilation port disclosed in the present application further includes a plurality of locking pieces (40). The plurality of locking pieces (40) are formed so as to protrude from the outer periphery of the main body portion (10) and engage with the sealing backup material (3). The sealing backup material (3) is arranged at the joint (1a) of the outer wall (1) of the building so as to be in contact with the outer peripheral surface (10a) of the main body (10).

In the ventilation port sleeve pipe disclosed in the present application, the plurality of locking pieces (40) are formed so as to extend along the axial direction of the main body portion (10), and the plurality of contact pieces (30) are formed. ) Is connected to the base end portion (30a).

The sleeve tube for the ventilation port of the present invention can be automatically centered when the sleeve tube for the ventilation port is attached, and the attachment can be facilitated.

It is a 1st perspective view which shows the sleeve tube for a ventilation port which concerns on embodiment of this invention. It is a 2nd perspective view which shows the sleeve tube for a ventilation port which concerns on embodiment of this invention. (A) It is a 1st front view which shows the sleeve tube for a ventilation port which concerns on embodiment of this invention. (B) is a cross-sectional view taken along the line AA of FIG. 3 (a). It is a front view which shows the wall surface where the sleeve pipe for a ventilation port is attached. FIG. 4A is a cross-sectional view taken along the line BB of FIG. 4A. (A) It is a 2nd front view which shows the sleeve tube for a ventilation port which concerns on embodiment of this invention. (B) is a cross-sectional view taken along the line CC of FIG. 5 (a). It is sectional drawing which shows the sleeve tube for a ventilation port which concerns on embodiment of this invention.

Hereinafter, the sleeve pipe for the ventilation port according to the embodiment of the present invention will be described in detail with reference to the drawings. Since the embodiments described below are preferable specific examples for carrying out the present invention, various technical restrictions are made, but the present invention particularly limits the invention in the following description. Is not limited to this embodiment unless otherwise specified.

<Embodiment>
The sleeve tube for the ventilation port according to the embodiment of the present invention will be described with reference to FIGS. 1 to 4. FIG. 1 is a first perspective view showing a sleeve tube for a ventilation port according to an embodiment of the present invention. FIG. 2 is a second perspective view showing a sleeve tube for a ventilation port according to an embodiment of the present invention. FIG. 3A is a first front view showing a sleeve tube for a ventilation port according to an embodiment of the present invention. FIG. 3B is a cross-sectional view taken along the line AA of FIG. 3A. FIG. 4A is a front view showing a wall surface to which the sleeve pipe for the ventilation port is attached. FIG. 4B is a cross-sectional view taken along the line BB of FIG. 4A.

As shown in FIGS. 1 to 3, the ventilation port sleeve pipe according to the embodiment includes a cylindrical main body portion 10, a flange portion 20, and a plurality of contact pieces 30.

As shown in FIGS. 4A and 4B, the main body 10 is inserted into an insertion hole 2 provided in the outer wall 1 of the building. In the embodiment, the main body 10 is cylindrical, and the insertion hole 2 is a round hole having a circular cross section. A garage, a hood, or the like (not shown) is attached to the end of the insertion hole 2 on the outdoor side (right side in FIG. 4B) in order to prevent rainwater from entering. Further, an annular sealing backup material 3 is disposed at the joint 1a of the building outer wall 1, and the sealing material 4 is filled.

The flange portion 20 is formed so as to project from the outer periphery of the main body portion 10. The flange portion 20 is formed with a fixing through portion 21 for fixing the ventilation port sleeve pipe to the building outer wall 1. A fixing member such as a wood screw (not shown) is inserted through the penetrating portion 21. In the embodiment, the flange portion 20 is fixed to the wall surface 1b on the indoor side (left side of FIG. 4B) of the building outer wall 1, the heat insulating material 101 is installed on the wall surface 1b, and the interior board 102 is placed on the heat insulating material 101. It is installed and a cloth 103 covers the interior board 102.

The shape of the flange portion 20 is not particularly limited. However, as shown in FIG. 1, when the ventilation port sleeve tube is attached to the insertion hole 2, the flange portion 20 is vertically and vertically arranged so that the vertical direction X11 and the horizontal direction X12 of the ventilation port sleeve tube can be easily distinguished. It is preferable that the shape of the direction X11 and the shape of the left-right direction X12 are different. In the embodiment, the shape of the flange portion 20 is set to be long in the vertical direction X11 and short in the horizontal direction X12.

Further, in the embodiment, as shown in FIGS. 1 and 2, the flange portion 20 has a slit 22 for alignment and a notch 22A. The slit 22 and the notch 22A are formed so that a mark (not shown) marked on the wall surface 1b can be visually recognized.

By visually recognizing the mark through the slit 22 and the notch 22A, it is possible to confirm whether the center of the sleeve tube for the ventilation port and the center of the insertion hole 2 are aligned and whether the vertical and horizontal directions are correctly set. It becomes easy and the mounting work can be performed accurately and quickly. Further, by providing the scale 22a on the edge of the slit 22, it is possible to more accurately confirm whether or not the center of the sleeve tube for the ventilation port and the center of the insertion hole 2 match.

As shown in FIG. 3, the plurality of contact pieces 30 are formed so as to protrude from the flange portion 20 on the outer periphery of the main body portion 10 toward the tip end side in the insertion direction X1, and as shown in FIG. 4B, the main body portion 10 has an insertion hole 2 The main body 10 is pressed toward the radial center S of the insertion hole 2. The insertion direction X1 is the moving direction of the main body 10 when the main body 10 is inserted into the insertion hole 2.

Further, the plurality of contact pieces 30 have a slope portion 31. The slope portion 31 comes into contact with one end portion 2a of the insertion hole 2 when the main body portion 10 is inserted into the insertion hole 2. The one end portion 2a is, in the embodiment, the end portion on the indoor side of the insertion hole 2.

Further, the number of the contact pieces 30 is four in the embodiment, and the four contact pieces 30 are provided at equal intervals in the circumferential direction of the main body portion 10. Since the four contact pieces 30 are provided at equal intervals in the circumferential direction of the main body portion 10, the main body portion 10 is provided in the insertion hole 2 so that the center of the main body portion 10 and the center of the insertion hole 2 are aligned with each other. It is pressed toward the center S in the radial direction, and the sleeve tube for the ventilation port is centered.

Further, as shown in FIG. 3, the plurality of contact pieces 30 are tongue piece-shaped members that can be elastically flexed and deformed in the embodiment, and are in the axial direction of the main body 10 toward the opposite direction X2 of the insertion direction X1. It extends diagonally with respect to.

As described above with reference to FIGS. 1 to 4, according to the sleeve tube for the ventilation port of the embodiment, the plurality of contact pieces 30 are inserted when the main body portion 10 is inserted into the insertion hole 2. It has a slope portion 31 that comes into contact with one end portion 2a of the hole 2, and presses the main body portion 10 toward the radial center S of the insertion hole 2 when the main body portion 10 is inserted into the insertion hole 2. Therefore, the ventilation port sleeve tube can be automatically centered with respect to the insertion hole 2 and the ventilation port sleeve tube can be held in that state by simply inserting the main body 10 into the insertion hole 2, for example, the ventilation port sleeve. When screwing the pipe to the outer wall 1 of the building, it is not necessary to hold the sleeve pipe for the ventilation port with one hand, the handling of tools such as an electric driver becomes easy, and the sleeve pipe for the ventilation port can be easily attached. ..

Further, as described with reference to FIGS. 1 to 4, according to the sleeve tube for the ventilation port of the embodiment, the plurality of contact pieces 30 are tongue piece-shaped members that can be elastically flexed and deformed, and the insertion direction. It extends diagonally with respect to the axial direction of the main body 10 toward X2 in the opposite direction of X1. Therefore, even if there is an error between the actual diameter of the insertion hole 2 and the diameter of the design drawing, the error is absorbed by the elastic force of the contact piece 30, and the sleeve tube for the ventilation port is centered on the insertion hole 2. Can be held in a combined state. Therefore, it is possible to more easily attach the sleeve tube for the ventilation port.

Next, another embodiment of the present invention will be described with reference to FIGS. 1 to 4 and 5 and 6 described above. FIG. 5A is a second front view showing a sleeve tube for a ventilation port according to an embodiment of the present invention. 5 (b) is a cross-sectional view taken along the line CC of FIG. 5 (a). FIG. 6 is a cross-sectional perspective view showing a sleeve tube for a ventilation port according to an embodiment of the present invention.

As shown in FIGS. 1 and 2, the ventilation port sleeve pipe according to the present embodiment further includes a plurality of locking pieces 40. The plurality of locking pieces 40 are formed so as to project from the outer periphery of the main body portion 10 and engage with the sealing backup material 3 as shown in FIG. 4B. The sealing backup material 3 is arranged at the joint 1a of the building outer wall 1 so as to be in contact with the outer peripheral surface 10a of the main body 10, and backs up the sealing material 4 filled in the joint 1a.

Further, in the embodiment, the plurality of locking pieces 40 are formed so as to extend along the axial direction of the main body portion 10, and engage with the sealing backup material 3 at the end portion 40a in the insertion direction X1. Further, in the embodiment, the plurality of locking pieces 40 are respectively connected to the base end portions 30a of the plurality of contact pieces 30 at the opposite end portions of the end portions 40a, as shown in FIG.

Further, the ventilation port sleeve pipe according to the embodiment has a plurality of water stop plates 50 as shown in FIGS. 5 and 6. The plurality of water stop plates 50 are formed so as to project from the inner circumference of the main body 10. The positions where the plurality of waterstop plates 50 are provided are different from each other in the axial direction of the main body 10. Further, at least one of the plurality of waterstop plates 50 is arranged in one region of the vertical direction X11, and the other at least one is arranged in the other region. In the embodiment, the number of waterstop plates 50 is two, one of which is arranged in one region of the vertical direction X11 and the other of which is arranged in the other region.

Further, in the plurality of water stop plates 50, the wall thickness of the joint portion 51 with the main body portion 10 is set to be thin in order to facilitate removing unnecessary water stop plates 50 from the plurality of water stop plates 50. ing.

As described above with reference to FIGS. 1 to 4, according to the sleeve pipe for the ventilation port of the embodiment, a plurality of locking pieces 40 are disposed at the joint 1a of the building outer wall 1 as a sealing backup material. Engage with 3. Therefore, the sealing backup material 3 can be locked so that the sealing backup material 3 does not go too far into the joint 1a, and the sealing backup material 3 can be easily used so that the amount of the sealing material 4 filled in the joint 1a is optimized. It can be positioned and the ventilation port sleeve tube can be installed more easily.

Further, as described with reference to FIGS. 1 to 4, according to the sleeve pipe for the ventilation port of the embodiment, the plurality of locking pieces 40 are formed so as to extend along the axial direction of the main body 10. , Each of the base end portions 30a of the plurality of contact pieces 30 is connected. Therefore, it becomes easy to provide the plurality of contact pieces 30 on the outer periphery of the main body portion 10 with sufficient strength, the strength and durability of the plurality of contact pieces 30 can be increased, and the sleeve tube for the ventilation port can be attached. It can be done more reliably and easily.

Further, as described with reference to FIGS. 5 and 6, according to the sleeve pipe for the ventilation port of the embodiment, the plurality of water stop plates 50 are located at different positions in the axial direction of the main body 10. A protrusion is formed on the inner circumference of the water. As described above, waterproofing tools such as a garage and a hood are attached to the outdoor end of the insertion hole 2, and some of these waterproofing devices have a mounting portion that is inserted into the main body 10. ..

When the mounting portion is longer than the specified length, the mounting portion may interfere with the water stop plate 50 provided at the specified position. In such a case, according to the sleeve pipe for the ventilation port of the embodiment, the specified portion is specified. The water stop plate 50 provided at the position can be removed, and the water stop plate 50 provided at the back of the specified position can be left and combined with a waterproof tool such as a garage. Further, when the mounting portion has a specified length, the water stop plate 50 provided at the back of the specified position can be removed, and only the water stop plate 50 provided at the specified position can be left. Therefore, the sleeve pipe for the ventilation port can be combined with waterproofing equipment such as garages and hoods of various manufacturers, and the degree of freedom of construction can be increased.

Further, a plurality of water stop plates 50 are arranged in both one region and the other region of the vertical direction X11 inside the main body 10. Therefore, even if the upper and lower water stop plates 50 are mistakenly placed up and down during installation, the upper water stop plate 50 is removed and the lower water stop plate 50 is left, so that good ventilation can be ensured. It is possible to prevent rainwater from entering, and it is not necessary to reattach the sleeve pipe for the ventilation port, so that work efficiency can be improved.

Further, as shown in FIG. 5, a plurality of water stop plates 50 are arranged in a state of being separated from one region and the other region of the vertical direction X1 inside the main body 10, so that unnecessary water stops are unnecessary. When removing the water plate 50, it is unlikely that an accident such as accidentally breaking the required water stop plate 50 will occur, the installation will be easy, and the work efficiency can be improved.

Further, since the plurality of water stop plates 50 have the thin-walled joint portion 51, the water stop plate 50 can be easily broken at the joint portion 51 when the unnecessary water stop plate 50 is removed, and further work can be performed. Efficiency can be improved.

The embodiments of the present invention have been described above with reference to the drawings (FIGS. 1 to 6). However, the present invention is not limited to the above embodiment, and can be implemented in various aspects without departing from the gist of the present invention (for example, (1) below).

(1) As described with reference to FIGS. 1 to 4, in the above embodiment, the number of the plurality of contact pieces 30 is 4, but the number is not limited to this, and the plurality of contact pieces 30 are not limited to this. It suffices if the ventilation port sleeve pipes can be centered and held. For example, if three or more contact pieces 30 are provided at equal intervals in the circumferential direction of the main body 10, the ventilation port sleeve pipes are centered. And can be retained. Further, for example, if centering in the left-right direction is performed manually and only centering in the vertical direction is performed by a plurality of contact pieces 30, the number of contact pieces 30 may be two.

X1 ... Insertion direction X2 ... Opposite direction 1 ... Building outer wall 1a ... Joint 2 ... Insertion hole 2a ... One end 3 ... Sealing backup material 4 ... Sealing material 10 ... Main body 10a ... Outer surface 20 ... Flange 21 ... Penetration 30 ... Contact piece 30a ... Base end 31 ... Slope 40 ... Locking piece

Claims (2)

A cylindrical main body (10) to be inserted into an insertion hole (2) provided in the outer wall (1) of the building,
A flange portion (20) having a protrusion formed on the outer periphery of the main body portion (10) and a through portion (21) for fixing is formed.
When the main body portion (10) is formed so as to protrude from the flange portion (20) on the outer periphery of the main body portion (10) toward the tip end side in the insertion direction (X1) and the main body portion (10) is inserted into the insertion hole (2). A plurality of contact pieces (30) that press the main body portion (10) toward the radial center (S) of the insertion hole (2), and the main body portion (10) is the insertion hole (2). A plurality of contact pieces (30) having a slope portion (31) that comes into contact with one end portion (2a) of the insertion hole (2) when inserted into the insertion hole (2) .
A sealing backup material which is formed so as to protrude from the outer periphery of the main body (10) and is arranged at the joint (1a) of the outer wall (1) of the building so as to be in contact with the outer peripheral surface (10a) of the main body (10). A plurality of locking pieces (40) that engage with (3)
Provided with a door,
The plurality of locking pieces (40) are formed so as to extend along the axial direction of the main body portion (10), and are connected to the base end portions (30a) of the plurality of contact pieces (30), respectively. The sleeve tube for the ventilation port. The plurality of contact pieces (30) are elastically flexible and deformable tongue pieces that extend obliquely with respect to the axial direction of the main body (10) toward the opposite direction (X2) of the insertion direction (X1). The sleeve tube for a ventilation port according to claim 1.

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