JP2015040389A - Water proof sleeve structure and method for mounting water proof sleeve structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a water proof sleeve structure capable of waterproofing between a sleeve member disposed in the through-hole of an external wall and the through-hole.SOLUTION: In a waterproof sleeve structure in which a collared sleeve member is water-tightly mounted on a through-hole formed in the external wall of a structure, the collared sleeve member is inserted into the through-hole of the external wall, and a water cutoff member interposed between the collared sleeve member and the inner peripheral surface of the through-hole is compressed by a pressing cylindrical member attached to the collared sleeve member. The collared sleeve member has an insertion sleeve and an exterior flange part, and the pressing cylindrical member has a cylindrical part and a hinge part. The water cutoff member is configured as an elastic body arranged in the outer periphery of a hinge part, and the water cutoff member is interposed between the hinge part and the exterior flange part and between the hinge part and the inner peripheral surface of the through-hole.

Description

  The present invention relates to a waterproof sleeve structure that can be waterproofed without caulking.

A wall for housing construction is provided with through holes for piping for connecting indoor units and outdoor units for indoor ventilation or when installing an air conditioner or a cooler.
The through hole is generally provided with a sleeve member that covers the through hole, and the through hole is protected by the sleeve member. At this time, the waterproof property needs to be maintained between the through hole of the outer wall and the sleeve member, and the waterproof treatment is generally performed by caulking between the through hole and the sleeve member.

  However, the waterproofing treatment by caulking requires a caulking after applying a base material, which is a troublesome work. Further, the waterproofing treatment by caulking is an unstable construction method in which the waterproof performance and the durability depend on the skill of the operator. In addition, it takes time to dry the caulking material, which hinders shortening of work time.

Therefore, various structures for attaching a sleeve material have been studied that require a small number of work steps and enable stable construction.
For example, in Patent Document 1, a spiral tube having a spiral groove formed on the outer periphery is inserted into a wall of a structure, and an elastic seal member is tightly pressed against the wall surface and sealed in a watertight manner by a fixing ring screwed into the spiral groove. A structure is disclosed.
Further, in Patent Document 2, a wall member having a wall body with an exterior material attached thereto is attached with a flanged sleeve member so that a collar is interposed between the wall body and the exterior material. A structure for watertight sealing by sandwiching and compressing a watertight material (seal member) between main bodies is disclosed.

JP 2000-179750 A Japanese Patent No. 4810019

In the technique described in Patent Document 1, an elastic seal member is clamped on the wall surface, and therefore the wall surface needs to be smooth in order to ensure waterproofness.
Since the inner peripheral surface of the perforated through hole is not painted, it is necessary to waterproof the inner peripheral surface of the through hole so that water does not enter. Therefore, when applying the technique described in Patent Document 1, it is necessary to waterproof the outer wall of the outer wall. However, since the outer wall is a design surface, the surface is generally not smooth, and it has been difficult to apply this technique to the outer wall.
In addition, the technique described in Patent Document 2 is applicable in the case where an exterior material is further provided on the surface of the wall main body, but a watertight material (seal member) for a structure in which the wall main body and the exterior material are integrated. The technique could not be applied and the technique could not be applied.

  The present invention has been made in view of the above-described conventional situation, and an object thereof is to provide a waterproof sleeve structure capable of waterproofing and attaching a sleeve member provided in a through hole of an outer wall.

The present invention has the following aspects.
(1) A waterproof sleeve structure in which a flanged sleeve member is watertightly attached to a through-hole provided in an outer wall of a structure,
The flanged sleeve member is inserted into the through hole of the outer wall, and a water stop member interposed between the flanged sleeve member and the inner peripheral surface of the through hole is attached to the flanged sleeve member. Having a configuration compressed by a pressing cylindrical member;
The flanged sleeve member includes an insertion sleeve and an outer collar formed at an edge thereof, the insertion sleeve is inserted into the through hole, and the outer collar is brought into contact with an outer surface of the outer wall,
The pressing cylindrical member includes a cylindrical portion that is inserted into the insertion sleeve of the flanged sleeve member, and a hinge portion that is formed on an edge of the cylindrical portion and abuts against the exterior flange portion of the flanged sleeve member and extends radially. Prepared,
The water stop member is an elastic body disposed on the outer periphery of the hinge portion,
The waterproof sleeve structure, wherein the water stop member is narrowed between the hinge portion and the exterior flange portion, and between the hinge portion and the inner peripheral surface of the through hole.
(2) In (1), the pressing cylindrical member is provided with a flange on an edge of the cylindrical portion opposite to the hinge portion, and the flange is in contact with an inner surface of the outer wall. The waterproof sleeve structure described.
(3) The flange portion of the pressing cylindrical member is formed so as to partially protrude in the circumferential direction of the cylindrical portion, and the pressing cylindrical member can pass through the through hole of the outer wall (2) The waterproof sleeve structure described in 1.
(4) The locking sleeve member and the pressing cylindrical member are provided with a locking mechanism that locks in a state where the hinge portion is in contact with the exterior flange portion and radially expands ( The waterproof sleeve structure according to any one of 1) to (3).
(5) The locking mechanism is a spiral groove and a spiral protrusion respectively provided on the outer peripheral surface of the insertion sleeve of the flanged sleeve member and the inner peripheral surface of the cylindrical portion of the pressing cylindrical member,
(4) The insertion groove of the sleeve member with the hook is inserted into the cylindrical portion of the pressing cylindrical member while being rotated, so that the spiral groove and the spiral protrusion can be screwed together and locked. Waterproof sleeve structure.
(6) The locking mechanism is formed on one of the outer peripheral surface of the insertion sleeve of the flanged sleeve member and the inner peripheral surface of the cylindrical portion of the pressing cylindrical member, and on the other. A step portion for locking the convex portion,
The waterproofing device according to (4), wherein the protruding portion can be locked to the stepped portion by inserting and rotating the insertion sleeve of the sleeve member with the flange into the cylindrical portion of the pressing cylindrical member. Sleeve structure.
(7) The pressing cylindrical member includes a plurality of fins circumferentially arranged in the cylindrical portion and extending radially.
A bending portion is formed at the tip of the fin, and the bending direction of the bending portion is the same direction as the rotation direction of the flanged sleeve member with respect to the pressing cylindrical member for locking the locking mechanism. The waterproof sleeve structure according to any one of (4) to (6).
(8) A method of attaching the waterproof sleeve structure according to (1),
The water stop member is disposed on the outer periphery of the hinge portion of the pressing cylindrical member,
Inserting the cylindrical portion of the pressing cylindrical member into the through hole of the outer wall;
The insertion sleeve of the sleeve member with the flange is inserted into the cylindrical portion, the outer collar portion is brought into contact with the outer surface of the outer wall, and the hinge portion is brought into contact with the outer collar portion to expand radially. How to attach the waterproof sleeve structure.

  In the waterproof sleeve structure of the present invention, the outer collar portion of the sleeve member with the flange is brought into contact with the outer surface of the outer wall, and the hinge portion of the pressing cylindrical member and the outer collar portion of the sleeve member with the collar are inside the through hole of the outer wall. In addition, a water stop member is interposed between the hinge portion and the inner peripheral surface of the through hole. In addition, a locking mechanism is provided on the flanged sleeve member and the pressing cylindrical member, and by the locking mechanism, the hinge portion is held in a radially expanded state in contact with the exterior flange portion. Yes. Therefore, the water-stop member is pressed against the outer collar portion of the sleeved sleeve member and the inner peripheral surface of the through hole by the hinge portion and compressed, and the space between the outer collar portion of the sleeved sleeve member and the through hole is watertight. Can be closed.

1 shows a waterproof sleeve structure according to a first embodiment of the present invention, in which FIG. 1A is a cross-sectional view, and FIG. 1B is an enlarged view of a waterproof portion in the cross-sectional view of FIG. is there. The sleeve member with a collar provided in the waterproof sleeve structure of a 1st embodiment concerning the present invention is shown, and Drawing 2 (a) is a perspective view, and Drawing 2 (b) is in the perspective view of Drawing 2 (a). It is an enlarged view of the terminal part vicinity of a spiral groove. FIG. 3 shows a pressing cylindrical member provided in the waterproof sleeve structure according to the first embodiment of the present invention, FIG. 3 (a) is a perspective view, and FIG. 3 (b) is a spiral in the perspective view of FIG. 3 (a). It is an enlarged view of the terminal part vicinity of a processus | protrusion. The hinge part of the press cylinder member with which the waterproof sleeve structure of 1st Embodiment which concerns on this invention is equipped is shown, Fig.4 (a) is sectional drawing of a hinge part, FIG.4 (b) is FIG.4 (a). It is sectional drawing in the bending state of the hinge part shown in FIG. It is a front view of the fin of the press cylindrical member with which the waterproof sleeve structure of 1st Embodiment which concerns on this invention is equipped. It is a perspective view of the water stop member with which the waterproof sleeve structure of a 1st embodiment concerning the present invention is equipped. FIG. 7A is a perspective view illustrating a procedure for forming the waterproof sleeve structure according to the first embodiment of the present invention by combining a pressing cylindrical member, a flanged sleeve member, and a water stopping member. FIG. FIG. 7 (b) shows a state in which the water blocking member 3 is attached to the hinge portion of the member, FIG. 7 (b) shows a state in which the pressing cylindrical member is inserted into the through hole of the outer wall, and FIG. FIG. 7D shows a state in which the insertion sleeve of the flanged sleeve member is inserted into the cylindrical portion, and FIG. 7D shows a state where the pressing cylindrical member and the flanged sleeve member are fixed by the locking mechanism. FIG. 8 (a) is a perspective view, and FIG. 8 (b) is a front view, showing a modified sleeve member that can be employed in the waterproof sleeve structure according to the first embodiment of the present invention. FIG.8 (c) is a figure which shows a mode that a press cylinder member is inclined and it passes through the through-hole of an outer wall. The waterproof sleeve structure of 2nd Embodiment which concerns on this invention is shown, Fig.9 (a) is sectional drawing, FIG.9 (b) is an enlarged view of the waterproof part in sectional drawing of Fig.9 (a). is there. FIG. 10 (a) is a perspective view of the pressing cylindrical member and the flanged sleeve member provided in the waterproof sleeve structure according to the second embodiment of the present invention. FIG. 10 (a) is a perspective view of the pressing cylindrical member and the flanged sleeve member. FIG. 10B is an enlarged view of the convex portion formed on the outer peripheral surface of the insertion sleeve of the flanged sleeve member, and FIG. 10C is an enlarged view of the concave portion formed on the inner peripheral surface of the cylindrical portion of the pressing cylindrical member. . In the pressing cylindrical member and the flanged sleeve member provided in the waterproof sleeve structure according to the second embodiment of the present invention, they are held together by a locking mechanism, and FIG. 11 (a) shows a perspective view. FIG. 11 (b) shows an enlarged view of the locking mechanism of FIG. 11 (a).

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
In the drawings used in the following description, for the purpose of emphasizing the feature portion, the feature portion may be shown in an enlarged manner for convenience, and the dimensional ratios of the respective constituent elements are not always the same as in practice. Absent. In addition, for the same purpose, portions that are not characteristic may be omitted from illustration.

<First Embodiment>
FIG. 1A is a cross-sectional view of a waterproof sleeve structure 5 according to a first embodiment which is an example of the present invention and is attached to a through hole 4A provided in an outer wall 4 of a structure. 1B shows an enlarged view of the waterproof portion 40 formed between the waterproof sleeve structure 5 and the through hole 4A of the outer wall 4 in FIG.

The waterproof sleeve structure 5 includes a pressing cylindrical member 1 (see FIG. 3A), a sleeve member 2 with a flange (see FIG. 2A), and a water stop member 3 (see FIG. 6). ing.
The flanged sleeve member 2 includes an insertion sleeve 20 that is inserted into the through hole 4 </ b> A of the outer wall 4, and an exterior flange portion 21 that is formed at the edge of the insertion sleeve 20 and abuts against the outer surface 4 b of the outer wall 4. Further, the water stop member 3 is provided in a compressed state by the pressing cylindrical member 1 inside the through hole 4 </ b> A and in the vicinity of the exterior flange portion 21 of the sleeve member 2 with the flange. The pressing cylindrical member 1 and the flanged sleeve member 2 each have a spiral protrusion 14 and a spiral groove 24, which are screwed together to form a locking mechanism 17, so that their positions are maintained.

  In this waterproof sleeve structure 5, the insertion sleeve 20 of the flanged sleeve member 2 connects an indoor unit and an outdoor unit when installing a ventilation opening for ventilating the interior and exterior of a building, an air conditioner, a cooler, and the like. Used as an insertion port through which piping is inserted. When used as a ventilation opening, a hood (not shown) for preventing rainwater from entering the insertion sleeve 20 is attached to the exterior collar portion 21 located on the outer surface 4 b side of the outer wall 4.

An inner wall 47 is further provided on the inner surface 4 a side of the outer wall 4 via a structural plywood 45 (base plywood) and a heat insulating material 46.
The inner wall 47 is made of, for example, gypsum board and is a wall that forms an indoor space of a building. The structural plywood 45 is provided to ensure the rigidity and strength of the building. The heat insulating material 46 is used to insulate the outside and the inside of the building, and generally glass fiber is employed.
The insertion sleeve 20 of the flanged sleeve member 2 passes through the structural plywood 45, the heat insulating material 46, and the inner wall 47, extends to the inside of the inner wall 47 (that is, the indoor space), and communicates between the outside and the room.

  The outer surface 4b of the outer wall 4 is painted to prevent moisture from entering the inside. On the other hand, the inner peripheral surface 4Aa (small surface) of the through-hole 4A formed in the outer wall 4 is not painted, and if moisture enters, it may cause a strange odor or mold. Further, depending on the type of the outer wall 4, the outer wall 4 itself may be deteriorated. In particular, when the outer wall 4 is made of a cement-based material, it may absorb moisture and expand the material to deteriorate the strength. In addition, if the glass fiber used for the heat insulating material 46 absorbs water, the heat insulating performance is impaired. By using the waterproof sleeve structure 5 of the present embodiment, water can be prevented from entering between the through-hole 4A of the outer wall 4 and the flanged sleeve member 2.

  Below, each member which comprises the waterproof sleeve structure 5 of 1st Embodiment is demonstrated based on drawing.

(Sleeve member with hook of 1st Embodiment)
The flanged sleeve member 2 shown in FIG. 2A is generally configured by an insertion sleeve 20 and a circular exterior flange portion 21 formed on the edge of the insertion sleeve 20.
As shown in FIGS. 1 (a) and 1 (b), the sleeve member 2 with the flange makes the exterior flange portion 21 abut on the outer surface 4 b of the outer wall 4 of the structure, and the insertion sleeve 20 is inserted into the through hole of the outer wall 4. 4A is inserted and attached. Therefore, the outer diameter of the circular exterior collar part 21 is formed sufficiently larger than the inner diameter of the through hole 4A. The length of the insertion sleeve 20 is the same as or slightly longer than the thickness of the entire wall (the outer wall 4, the structural plywood 45, the heat insulating material 46, and the inner wall 47), and penetrates the entire wall.
Further, the inner side surface 4a and the outer side surface 4b of the outer wall 4 are sandwiched between the interior collar portion 11 (the collar portion) of the pressing cylindrical member 1 described later and the exterior collar portion 21 of the sleeve member 2 with the collar. Has been.

As shown in FIG. 2A, a spiral groove 24 is formed in the vicinity of the outer collar portion 21 on the outer peripheral surface 20 a of the insertion sleeve 20 of the flanged sleeve member 2. The spiral groove 24 can be combined with the spiral protrusion 14 of the pressing cylindrical member 1 described later and can be screwed together.
FIG. 2B shows an enlarged view of the vicinity of the terminal end portion on the exterior flange 21 side of the spiral groove 24. In the vicinity of the terminal end of the spiral groove 24, there is provided a stopper 24A formed so that the groove bottom rises and the groove is partially cut off. The stopper 24A is fitted into a recess 14A (see FIG. 3B) provided in the vicinity of the terminal end of the spiral protrusion 14 described later.

(Pressing cylindrical member of the first embodiment)
The pressing cylindrical member 1 shown in FIG. 3A includes a cylindrical portion 10, a circular interior collar portion 11 (a collar portion) formed at one edge of the cylindrical portion 10, and a hinge formed at the other edge. A plurality of fins 12 formed in a rib shape between the part 13 and the outer periphery of the cylindrical part 10 and the interior collar part 11 are roughly configured.

  The inner diameter of the cylindrical portion 10 is slightly larger than the outer diameter of the insertion sleeve 20 of the flanged sleeve member 2, and the insertion sleeve 20 can be inserted into the cylindrical portion 10. Further, the inner peripheral surface 10a of the cylindrical portion 10 is provided with a spiral protrusion 14 that can be screwed with the spiral groove 24 provided on the outer peripheral surface 20a of the insertion sleeve 20, and these can be screwed together. The sleeve member 2 with the flange and the pressing cylindrical member 1 can be fixed.

FIG. 3B shows an enlarged view of the vicinity of the end portion on the interior flange 11 side of the spiral protrusion 14. In the vicinity of the terminal end portion of the spiral protrusion 14, a recess 14 </ b> A is provided in which a spiral streak-like protrusion is partially broken. The recess 14A can be fitted with a stopper 24A (see FIG. 2B) provided near the terminal end of the spiral groove 24 described above. When attaching the flanged sleeve member 2 to the pressing cylindrical member 1 by screwing the spiral projection 14 and the spiral groove 24, the flanged sleeve member 2 can be easily rotated by rotating it to a position where the stopper 24A and the recess 14A are fitted together. And the relative positional relationship of the pressing cylindrical member 1 can be determined. Thus, by restricting the relative positional relationship between the flanged sleeve member 2 and the pressing cylindrical member 1 uniquely by the stopper 24A, it is possible to prevent variations in the mounting process by the operator. That is, it is possible to provide the waterproof sleeve structure 5 having the same waterproof performance regardless of who performs it.
In addition, the spiral protrusion 14 and the spiral groove 24 of the present embodiment are double thread formed as a double spiral, and a concave portion 14A or a stopper 24A is provided at the end of each spiral track.
In the present embodiment, the spiral groove 24 is formed on the outer peripheral surface 20 a of the insertion sleeve 20 of the flanged sleeve member 2, and the spiral protrusion 14 is formed on the inner peripheral surface 10 a of the cylindrical portion 10 of the pressing cylindrical member 1. However, as long as a spiral groove is formed on one of them and a spiral protrusion is formed on the other, and these are in the relationship of a screw thread and a screw groove, the groove and the protrusion may be formed in any of them. .

  The hinge portion 13 is formed by dividing the tip of the cylindrical portion 10 into a plurality of strips. A first groove 15 and a second groove 16 are sequentially formed on the outer surface of each of the strip-shaped hinge parts 13 from the cylindrical part 10 side to the tip part 13e of the hinge part 13. Further, the hinge portion 13 is partitioned into a first bent piece 13 a and a second bent piece 13 b that are bent along the first groove 15 and the second groove 16.

FIG. 4A shows a longitudinal cross-sectional view of the hinge portions 13 arranged in a circumferential strip shape. FIG. 4B shows a longitudinal sectional view when the hinge portion 13 is bent and spreads in the radial direction of the cylindrical portion 10.
The 1st groove | channel 15 is formed along the circumferential direction so that the cylindrical part 10 and the 1st bending piece 13a of the hinge part 13 may be divided. The wall surfaces 15a and 15a in the groove cross section of the first groove 15 are formed to be inclined. By setting the angle formed by these wall surfaces 15 a and 15 a to 90 ° or more, the first bent piece 13 a can be bent about 90 ° outward from the cylindrical portion 10.
The second groove 16 of the hinge part 13 is formed along the circumferential direction so as to partition the first bent piece 13a and the second bent piece 13b of the hinge part 13. Wall surfaces 16a and 16a in the groove cross section of the second groove 16 are formed in parallel to each other.

  When stress is applied to the distal end portion 13e of the hinge portion 13 formed in this way in a direction parallel to the central axis of the cylindrical portion 10, as shown in FIG. 4B, the first bent piece 13a and the second bent piece 13a The bent pieces 13b bend along the first groove 15 and the second groove 16, respectively. At this time, the first bent piece 13a is bent outward, and the second bent piece 13b is bent inward so that the second bent piece 13b approaches the back surface of the first bent piece 13a. As a result, the first groove 15 is closed, the second groove 16 is opened, and the hinge portion 13 spreads in the radial direction of the cylindrical portion 10 so that the second groove 16 becomes the apex.

  The insertion sleeve 20 of the flanged sleeve member 2 is inserted into the cylindrical portion 10 of the pressing cylindrical member 1, and the spiral protrusion 14 formed on the inner peripheral surface 10 a of the cylindrical portion 10 and the outer peripheral surface 20 a of the insertion sleeve 20 are formed. As the spiral groove 24 is screwed, the hinge portion 13 comes into contact with the exterior flange portion 21 of the sleeve member 2 with the flange and gradually bends. When the starting point of the spiral protrusion 14 reaches the stoppers 24A and 24A (see FIG. 2B) of the spiral groove 24, as shown in FIGS. 1A and 1B and FIG. 13 is in a completely bent state.

  As described above, the spiral protrusion 14 and the spiral groove 24 provided on the inner peripheral surface 10a of the cylindrical portion 10 of the pressing cylindrical member 1 and the outer peripheral surface 20a of the insertion sleeve 20 of the flanged sleeve member 2 are the pressing cylindrical member, respectively. One hinge portion 13 functions as a locking mechanism 17 that holds the outer flange portion 21 of the flanged sleeve member 2 in a state of being in contact with the outer flange portion 21 and radially expanding.

  A plurality of fins 12 are formed in a rib shape between the interior collar portion 11 and the cylindrical portion 10 of the pressing cylindrical member 1 at equal circumferential intervals. FIG. 5 shows a front view of the fin 12. The fins 12 are formed to extend radially from the outer peripheral surface of the cylindrical portion 10. The fin 12 includes a linear portion 12a that extends linearly in the radial direction and a curved portion 12b that is formed at the tip of the linear portion 12a and has a curved shape.

  The diameter of the tip pitch circle formed by connecting the tip portions 12c of the fins 12 is the same as or slightly larger than the inner diameter of the through hole 4A formed in the outer wall 4 (see FIGS. 1A and 1B). Yes. When the pressing cylindrical member 1 is inserted into the through-hole 4A of the outer wall 4, the fins 12 are stretched against the inner peripheral surface 4Aa of the through-hole 4A, and the pressing cylindrical member 1 is held with its central axis aligned with the through-hole 4A of the outer wall 4 Can be made.

  The curved portion 12 b of the fin 12 includes a spiral protrusion 14 provided on the inner peripheral surface 10 a of the cylindrical portion 10 of the pressing cylindrical member 1 and a spiral groove 24 provided on the outer peripheral surface 20 a of the insertion sleeve 20 of the sleeve member 2 with the flange. Are screwed in the same direction as the rotation direction of the flanged sleeve member 2 when the flanged sleeve member 2 is rotated with respect to the pressing cylindrical member 1. As a result, when the spiral projection 14 and the spiral groove 24 are screwed together to fix the pressing cylindrical member 1 and the flanged sleeve member 2, the tip 12c of the fin 12 is caught on the inner peripheral surface 4Aa of the through hole 4A, It is possible to suppress the pressing cylindrical member 1 from rotating together with the attached sleeve member 2.

  The material of the sleeve member 2 with a flange and the pressing cylindrical member 1 is not particularly limited, but it is preferable to use a resin product from the viewpoint of manufacturing cost. The special pressing cylindrical member 1 has a hinge portion 13 and it is desirable to use a resin suitable for constituting the hinge portion 13, for example, polypropylene (PP).

(Water stop member)
The water stop member 3 shown in FIG. 6 is an elastic body formed in a cylindrical shape having a predetermined thickness, and its axial length is the same as or slightly larger than the length of the hinge portion 13 of the pressing cylindrical member 1. It is formed long.
The water stop member 3 is preferably formed in a cylindrical shape, but may be formed in a cylindrical shape by connecting the ends of band-shaped elastic bodies by bonding them together.
The material of the water stop member 3 is not limited as long as it functions as a packing, and for example, a rubber material, an elastomer resin, or the like can be used. In particular, it is preferable to use a water-absorbing urethane foam having a property of absorbing moisture and expanding.

  As shown in FIGS. 1A and 1B, the water blocking member 3 includes a hinge portion 13 of the pressing cylindrical member 1 and an exterior flange portion 21 of the flanged sleeve member 2 inside the through hole 4 </ b> A of the outer wall 4. In addition, the hinge portion 13 is interposed between the hinge portion 13 and the inner peripheral surface 4Aa of the through hole 4A, and is bent to the outer flange portion 21 of the flanged sleeve member 2 and the inner peripheral surface 4Aa of the through hole 4A. It is pressed and compressed. Thereby, the space between the exterior flange portion 21 of the flanged sleeve member 2 and the through hole 4A is watertightly closed, and moisture is prevented from entering the through hole 4A.

(Installation procedure)
7A to 7D, a procedure for forming the waterproof sleeve structure 5 on the outer wall 4 of the structure by combining the pressing cylindrical member 1, the flanged sleeve member 2, and the water stop member 3 described above. explain.
First, as shown in FIG. 7A, the annular water stop member 3 is attached to the hinge portion 13 of the pressing cylindrical member 1 so as to cover the outer periphery of the hinge portion 13.

  Next, the pressing cylindrical member 1 is inserted into the through hole 4A of the outer wall 4 from the direction of the inner side surface 4a of the outer wall 4 so as to be in the state of FIG. At this time, the curved portion 12b (see FIG. 5) of the fin 12 of the pressing cylindrical member 1 is rotated in the opposite direction to the direction of bending (while rotating in the direction of arrow A shown in FIG. 7A). By fitting the pressing cylindrical member 1, this operation can be performed smoothly. The inserted pressing cylindrical member 1 is held inside the through hole 4A by a thrust toward the radial direction of the fin 12 with respect to the inner peripheral surface 4Aa of the through hole 4A.

  Next, as shown in FIG. 7C, the flanged sleeve member 2 is inserted from the direction of the outer surface 4 b of the outer wall 4. More specifically, the insertion sleeve 20 of the flanged sleeve member 2 is inserted into the cylindrical portion 10 of the pressing cylindrical member 1 held inside the through hole 4A.

  Further, the spiral groove 24 provided in the insertion sleeve 20 of the flanged sleeve member 2 is provided in the cylindrical portion 10 of the pressing cylindrical member 1 so that the state of FIG. 7C to FIG. 7D is obtained. The screw is engaged with the spiral protrusion 14. Since the screw mechanism as the locking mechanism 17 composed of the spiral protrusion 14 and the spiral groove 24 is configured as a right screw, by rotating the hooked sleeve member 2 to the right with respect to the pressing cylindrical member 1 ( These can be fixed by rotating in the direction of arrow B shown in FIG. As described with reference to FIG. 5, the fin 12 provided in the cylindrical portion 10 of the pressing cylindrical member 1 has a curved portion 12 b formed in the vicinity of the tip thereof, and the curved direction of the curved portion 12 b is different from that of the spiral protrusion 14. In order to screw the spiral groove 24, the rotation direction of the flanged sleeve member 2 when rotating the flanged sleeve member 2 relative to the pressing cylindrical member 1 is the same direction. Therefore, when the flanged sleeve member 2 is rotated, it is possible to prevent the tip 12c of the fin 12 from being caught on the inner peripheral surface 4Aa of the through hole 4A and the pressing cylindrical member 1 to rotate around the flanged sleeve member 2. .

By inserting the insertion sleeve 20 of the flanged sleeve member 2 into the cylindrical portion 10 of the pressing cylindrical member 1, the hinge portion 13 of the pressing cylindrical member 1 abuts on the exterior flange portion 21 of the flanged sleeve member 2. As the insertion further proceeds, the hinge portion 13 gradually refracts and spreads radially. Accordingly, as shown in FIGS. 1A and 1B, the water stop member 3 attached to the outer periphery of the hinge portion 13 also spreads outward, and the water stop member 3 is pressed against the inner peripheral surface 4Aa of the through hole 4A. And compressed. Further, at the tip of the hinge portion 13, the water stop member 3 is pressed and compressed between the exterior flange portion 21 of the sleeve member 2 with the flange and the second bent piece 13 b of the hinge portion 13.
Thereby, the space between the exterior flange portion 21 of the sleeve member 2 with the flange and the through hole 4A can be closed in a watertight manner.
By passing through the above procedure, the waterproof sleeve structure 5 of this embodiment can be attached, and it can waterproof so that a water | moisture content may not permeate between the through-hole 4A of the outer wall 4, and the sleeve member 2 with a flange.

By the way, in recent years, in the construction of houses, the adoption of a panel method in which components such as walls, floors, and roofs are made into panels in a factory in advance and the houses are constructed by assembling these panels at a construction site.
When this waterproof sleeve structure 5 is applied to the panel method, the waterproof sleeve structure 5 is previously attached to the outer wall 4 in accordance with the above procedure, and the wall is provided with the structural plywood 45 and the heat insulating material 46 at the construction site. By attaching the outer wall 4 provided with the waterproof sleeve structure 5 and further attaching the inner wall 47, the waterproof sleeve structure 5 penetrating from the outer wall 4 to the inner wall 47 can be formed.
In this assembly procedure, as a step before attaching the outer wall 4, the structural plywood 45 and the heat insulating material 46 are drilled, and a hole 48 is formed at the same position as the through hole 4 </ b> A. In addition, an inner wall hole 47A is formed in the inner wall 47 in advance at the same position as the through hole 4A.

Generally, since the outer surface 4b of the outer wall 4 is a design surface, the surface is rough, and it is difficult to waterproof the outer surface 4b by pressing the water stop member 3 such as packing. The waterproof sleeve structure 5 of the present embodiment is waterproofed by pressing the water stop member 3 against the inner peripheral surface 4Aa of the through hole 4A formed by drilling the outer wall 4, not the outer surface 4b of the outer wall 4. . The inner peripheral surface 4Aa of the through hole 4A has a relatively smooth surface, and thus can be reliably waterproofed.
In other words, the waterproof sleeve structure 5 can be used regardless of the type of the outer wall 4 (for example, ceramic siding material, painted wall (mortar), tile, ALC panel, etc.).
Moreover, it is not necessary to perform a caulking process that tends to depend on the skill of the operator, and stable waterproofness can be ensured regardless of who performs the work.

<Modification of First Embodiment>
FIGS. 8A and 8B are a perspective view and a front view of a modified pressing cylindrical member 1A that can be employed in the waterproof sleeve structure 5 according to the first embodiment described above. In addition, about the component of the same aspect as the above-mentioned 1st Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.
The modified pressing cylindrical member 1A is different from the pressing cylindrical member 1 of the first embodiment in the shape of the interior collar portion 11A.

  The inner flange portion 11A of the pressing cylindrical member 1A is divided into two divided flange portions 11Aa and 11Ab by missing portions 11a and 11a obtained by cutting off both sides of the circular shape. That is, the interior collar part 11A of the pressing cylindrical member 1A is formed by partially projecting the two divided collar parts 11Aa and 11Ab.

As shown in FIG. 8 (b), the split flange portions 11Aa and 11Ab of the pressing cylindrical member 1A protrude larger than the through-hole 4A (indicated by a two-dot chain line) in the radial direction of the cylindrical portion 10, respectively. Further, in the missing portions 11a and 11a, the interior collar portion 11A does not cover the through hole 4A.
That is, the inner flange portion 11A of the pressing cylindrical member 1A is narrower than the diameter of the through hole 4A due to the missing portions 11a and 11a.

The pressing cylindrical member 1A of the present modification can pass through the through hole 4A of the outer wall 4 from the outer surface 4b side of the outer wall 4 while being inclined as shown in FIG.
As shown in FIG. 8C, when the pressing cylindrical member 1A is arranged so that the central axis of the cylindrical portion 10 of the pressing cylindrical member 1A is perpendicular to the central axis of the through hole 4A, the pressing cylindrical member 1A Is projected in the through hole 4A. Therefore, the pressing cylindrical member 1A can pass through the through hole 4A. The pressing cylindrical member 1A has a hinge portion 13 that can be bent. When the hinge portion 13 is bent inward of the cylindrical portion 10, the projected area of the pressing cylindrical member 1A is reduced to the through hole 4A. If included, the pressing cylindrical member 1A can pass through the through hole 4A.

By the way, as shown to Fig.7 (a), (b), it is necessary to insert the pressing cylindrical member 1 of 1st Embodiment from the inner surface 4a side of the outer wall 4, and to attach to 4 A of through-holes. As shown in FIG. 1A, the hole 48 provided in the structural plywood 45 and the heat insulating material 46 and the inner wall hole 47A provided in the inner wall 47 are formed to have substantially the same size as the outer diameter of the insertion sleeve 20. Has been. Therefore, the pressing cylindrical member 1 cannot be attached to the inner side surface 4a of the outer wall 4 from the inner wall 47 side (that is, the indoor side). Moreover, since the interior collar part 11A of the pressing cylindrical member 1 of the first embodiment is formed to have a larger diameter than the through hole 4A, the pressing cylindrical member 1 is passed through the through hole 4A from the outer surface 4b side of the outer wall 4. It cannot be attached to the through hole 4A. That is, the step of attaching the pressing cylindrical member 1 of the first embodiment to the outer wall 4 needs to be performed before the outer wall 4 is installed as a wall surface.
On the other hand, in the pressing cylindrical member 1A of the present modified example, the interior collar portion 11A is formed so as to partially protrude in the circumferential direction of the cylindrical portion 10 and can pass through the through hole 4A. Even after installation, the waterproof sleeve structure 5 shown in FIG. 1A can be configured.

  Specifically, the cylindrical portion 10 of the pressing cylindrical member 1A is passed through the inside of the through hole 4A while being inclined from the outer surface 4b of the outer wall 4 and introduced between the outer wall 4 and the structural plywood 45. The direction of the center axis is changed so as to coincide with the center axis of the through hole 4A, and the pressing cylindrical member 1A is inserted into the through hole 4A from the inner side surface 4a side of the outer wall 4. Next, the waterproof sleeve structure 5 penetrating from the outer wall 4 to the inner wall 47 can be formed by attaching the waterproof sleeve structure 5 according to the procedure described based on FIGS. 7 (a) to 7 (d).

  In the pressing cylindrical member 1A of this modification, the waterproof sleeve structure 5 can be installed even after the wall structure including the outer wall 4, the structural plywood 45, the heat insulating material 46, and the inner wall 47 is formed. . That is, it is possible to form an insertion port through which a pipe connecting the indoor unit and the outdoor unit when installing a waterproof ventilation port, an air conditioner, a cooler, or the like is installed in an existing house.

Second Embodiment
FIG. 9A shows a cross-sectional view of the waterproof sleeve structure 9 of the second embodiment. FIG. 11B is an enlarged view of the waterproof portion 41 formed between the waterproof sleeve structure 9 and the through hole 8C of the outer wall 8 in FIG. 9A. In addition, about the component of the same aspect as the above-mentioned 1st Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.
Compared to the first embodiment, the waterproof sleeve structure 9 of the second embodiment is configured to have a locking mechanism 67 that holds the pressing cylindrical member 6 and the sleeve member 7 with the flange, and to the wall structure of the pressing cylindrical member 6. The mounting structure is different.

Similar to the first embodiment, in this embodiment, the flanged sleeve member 7 includes an insertion sleeve 70 inserted into the through hole 8C of the outer wall 8 and an outer surface 8b of the outer wall 8 formed at the edge of the insertion sleeve 70. It has the exterior collar part 71 which contact | abuts. Further, the water stop member 3 is provided inside the through hole 8 </ b> C and in the vicinity of the outer collar portion 71 of the sleeve member 7 with the flange in a state compressed by the pressing cylindrical member 6.
In the present embodiment, the pressing cylindrical member 6 and the flanged sleeve member 7 have a concave portion 64 and a convex portion 74, respectively, and are engaged with each other to form a locking mechanism 67 so that the mutual positions are maintained. ing.

(Sleeve member with flange of second embodiment)
FIG. 10A shows the pressing cylindrical member 6 and the flanged sleeve member 7 of the waterproof sleeve structure 9 of the second embodiment. Moreover, the water stop member 3 (indicated by a two-dot chain line) is attached to the outer periphery of the hinge portion 63 of the pressing cylindrical member 6 as in the first embodiment.
The flanged sleeve member 7 shown in FIG. 10A is generally configured by an insertion sleeve 70 and a circular exterior flange 71 formed at the edge of the insertion sleeve 70.
As shown in FIGS. 9A and 9B, the flanged sleeve member 7 causes the exterior flange portion 71 to abut against the outer surface 8 b of the outer wall 8 of the structure, and the insertion sleeve 70 is inserted into the through-hole of the outer wall 8. 8C is inserted and attached. Further, the inner flange portion 61 (the flange portion) of the pressing cylindrical member 6 and the outer flange portion 71 of the sleeve member 7 with the flange are sandwiched so as to sandwich the inner side surface 8 a and the outer side surface 8 b of the outer wall 8.

On the outer peripheral surface 70a of the insertion sleeve 70 of the flanged sleeve member 7, four convex portions 74 are formed that are equally arranged in the circumferential direction.
FIG. 10B shows an enlarged view of the convex portion 74. The convex portion 74 is formed to protrude in the radial direction from the outer peripheral surface 70 a of the insertion sleeve 70. Moreover, this convex part 74 has rectangular shape, and the convex part 74 can be engaged with the recessed part 64 of the press cylinder member 6 demonstrated in a back | latter stage.

(Sleeve member with flange of second embodiment)
The pressing cylindrical member 6 shown in FIG. 10A includes a cylindrical part 60, a rectangular interior collar part 61 (a collar part) formed on one edge of the cylindrical part 60, and a hinge formed on the other edge. The unit 63 is roughly configured.
As in the first embodiment, the inner diameter of the cylindrical portion 60 is slightly larger than the outer diameter of the insertion sleeve 70 of the flanged sleeve member 7, and the insertion sleeve 70 can be inserted into the cylindrical portion 60. .
In the present embodiment, the inner peripheral surface 60 a of the cylindrical portion 60 is provided with four concave portions 64 that can be engaged with the four convex portions 74 provided on the outer peripheral surface 70 a of the insertion sleeve 70. By engaging these, the locking mechanism 67 can be formed, and the sleeve member 7 with the flange and the pressing cylindrical member 6 can be fixed.

FIG. 10C shows an enlarged view of the recess 64. Four concave portions 64 are equally arranged in the circumferential direction on the inner peripheral surface 60 a of the cylindrical portion 60, and the positions thereof correspond to the four convex portions 74. The concave portion 64 includes a linear groove portion 64a for linearly introducing the convex portion 74, and an accommodation groove portion 64b formed by bending at a right angle in the circumferential direction at the end portion of the linear groove portion 64a.
By inserting the flanged sleeve member 7 linearly into the pressing cylindrical member 6, the convex part 74 moves inside the linear groove part 64a of the concave part 64 and reaches the terminal part of the linear groove part 64a. Here, by rotating the flanged sleeve member 7 with respect to the pressing cylindrical member 6, the convex portion 74 is introduced into the housing groove portion 64 b, and the pressing cylindrical member 6 and the flanged sleeve member 7 can be fixed.

FIG. 11 (a) shows a perspective view of the pressing cylindrical member 6 and the flanged sleeve member 7 held together by the locking mechanism 67, and FIG. 11 (b) shows the locking mechanism shown in FIG. 11 (a). An enlarged view of 67 is shown. 11 (a) and 11 (b), the water stop member 3 disposed on the outer periphery of the hinge portion 63 of the pressing cylindrical member 6, and the interior flange portion 61 of the pressing cylindrical member 6 and the exterior of the sleeve member 7 with the flange. The outer wall 8 sandwiched between the flanges 71 is omitted.
In the locking mechanism 67, the convex portion 74 is abutted and locked to the stepped portion 64 c located on the hinge portion 63 side in the housing groove portion 64 b of the concave portion 64. Thus, the pressing cylindrical member 6 and the flanged sleeve member 7 are held at their respective positions against the tight force of the water stop member 3 compressed by the hinge portion 63.

  In the present embodiment, a convex portion 74 is formed on the outer peripheral surface 70 a of the insertion sleeve 70 of the flanged sleeve member 7, and a concave portion 64 is formed on the inner peripheral surface 60 a of the cylindrical portion 60 of the pressing cylindrical member 6. However, as long as the convex part 74 is formed in one and the recessed part 64 is formed in the other, and these are latched, the convex part 74 and the recessed part 64 may be formed in any.

Similarly to the first embodiment, the hinge part 63 is formed by dividing the tip of the cylindrical part 60 into a plurality of strips, and the tip of the hinge part 63 abuts on the exterior collar part 71 of the flanged sleeve member 7. It spreads radially.
The insertion sleeve 70 of the flanged sleeve member 7 is inserted into the cylindrical portion 60 of the pressing cylindrical member 6, and the concave portion 64 formed on the inner peripheral surface 60 a of the cylindrical portion 60 and the convexity formed on the outer peripheral surface 70 a of the insertion sleeve 70. By engaging the portion 74 and configuring the locking mechanism 67, the hinge portion 63 formed at the tip of the cylindrical portion 60 of the pressing cylindrical member 6 abuts on the exterior flange portion 71 of the sleeve member 7 with the flange, and the hinge portion 63 bends.

As shown to Fig.10 (a), the interior collar part 61 of the press cylinder member 6 is formed in the rectangular shape. In the vicinity of the four corners of the interior collar part 61, attachment holes 61a are respectively provided.
As shown in FIG. 9B, the mounting hole 61a is inserted with a screw 61A for fixing the pressing cylindrical member 6 to the structural plywood 45 (base plywood). A screw 61A inserted through the mounting hole 61a of the interior collar 61 is inserted into the structural plywood 45 (underlying plywood) to fix the pressing cylindrical member 6.
As a method for fixing the pressing cylindrical member 6, the screw 61 </ b> A is used as shown in the present embodiment, and the inner flange 61 of the pressing cylindrical member 6 is used as the inner surface of the outer wall 8 that is the contact surface of the inner flange 61. You may affix on 8a using an adhesive agent.

(Installation procedure of the second embodiment)
The waterproof sleeve structure 9 of the present embodiment is attached by the following procedure at a construction site.
First, in a state in which the structural plywood 45 and the heat insulating material 46 are applied, holes 48 are drilled in these, and the pressing cylindrical member 6 to which the water blocking member 3 is attached is attached to the structural plywood 45 with screws 61A.
Next, the outer wall 8 in which the through hole 8C is formed at the same position as the hole 48 is attached, and the insertion sleeve 70 of the sleeve member 7 with the flange is inserted into the cylindrical portion 60 of the pressing cylindrical member 6 from the outer surface 8b side of the outer wall 8. Further, the locking mechanism 67 is operated.
Finally, by attaching the inner wall 47, the waterproof sleeve structure 9 that forms the wall structure and penetrates from the outer wall 8 to the inner wall 47 can be formed.

The waterproof sleeve structure 9 of the second embodiment configured as described above can exhibit the same waterproof effect as the waterproof sleeve structure 5 of the first embodiment described above.
The locking mechanism 67 of the waterproof sleeve structure 9 shown as the second embodiment can also be adopted in the waterproof sleeve structure 5 of the first embodiment, and vice versa. That is, the locking mechanism 17 may be replaced with the locking mechanism 67 of the second embodiment in the first embodiment, and the locking mechanism 67 may be replaced with the locking mechanism 17 of the first embodiment in the second embodiment. good. Moreover, if the latching mechanism can hold | maintain the mutual position of the sleeve member 2 with a hook and the press cylinder member 1, these structures will not be limited. In addition, even if no special locking mechanism is provided, the hooked sleeve member 2 and the pressing cylindrical member 1 can be held by the mutual frictional force.

  Although various embodiments of the present invention have been described above, each configuration in each embodiment and combinations thereof are examples, and addition, omission, replacement, and configuration of configurations are within the scope not departing from the spirit of the present invention. And other changes are possible. Further, the present invention is not limited by the embodiment.

DESCRIPTION OF SYMBOLS 1, 1A, 6 ... Pressing cylindrical member, 2, 7 ... Sleeve member with a flange, 3 ... Water stop member, 4, 8 ... Outer wall, 4A, 8C ... Through-hole, 4Aa ... Inner peripheral surface, 4a, 8a ... Inner side surface 4b, 8b ... outer side surface, 5,9 ... waterproof sleeve structure, 10, 60 ... cylindrical portion, 10a, 60a ... inner peripheral surface, 11, 11A, 61 ... inner collar (buttock), 11Aa, 11Ab ... Divided collar part, 11a ... missing part, 12 ... fin, 12a ... straight line part, 12b ... curved part, 13, 63 ... hinge part, 13a ... first bent piece, 13b ... second bent piece, 14 ... spiral protrusion, 14A ... concave portion, 15 ... first groove, 16 ... second groove, 17, 67 ... locking mechanism, 20, 70 ... insertion sleeve, 20a, 70a ... outer peripheral surface, 21, 71 ... exterior collar, 24 ... spiral groove, 24A ... stopper, 40, 41 ... waterproofing part, 45 ... structural plywood, 46 ... heat insulating material, 47 ... Wall, 47A ... inner wall hole, 48 ... hole, 61A ... bis, 61a ... mounting hole, 64 ... concave portion, 64a ... straight groove portion, 64b ... accommodated groove, 64c ... step portion, 74 ... projecting portion

Claims (8)

A waterproof sleeve structure in which a flanged sleeve member is watertightly attached to a through hole provided in an outer wall of a structure,
The flanged sleeve member is inserted into the through hole of the outer wall, and a water stop member interposed between the flanged sleeve member and the inner peripheral surface of the through hole is attached to the flanged sleeve member. Having a configuration compressed by a pressing cylindrical member;
The flanged sleeve member includes an insertion sleeve and an outer collar formed at an edge thereof, the insertion sleeve is inserted into the through hole, and the outer collar is brought into contact with an outer surface of the outer wall,
The pressing cylindrical member includes a cylindrical portion that is inserted into the insertion sleeve of the flanged sleeve member, and a hinge portion that is formed on an edge of the cylindrical portion and abuts against the exterior flange portion of the flanged sleeve member and spreads radially. Prepared,
The water stop member is an elastic body disposed on the outer periphery of the hinge portion,
The waterproof sleeve structure, wherein the water stop member is narrowed between the hinge portion and the exterior flange portion, and between the hinge portion and the inner peripheral surface of the through hole.   The waterproof cylinder according to claim 1, wherein the pressing cylindrical member includes a flange on an edge of the cylindrical portion opposite to the hinge portion, and the flange is in contact with an inner surface of the outer wall. Sleeve structure.   The said collar part of the said press cylinder member is protruded partially in the circumferential direction of the said cylinder part, and the said press cylinder member can pass through the through-hole of the said outer wall, The Claim 2 characterized by the above-mentioned. Waterproof sleeve structure.   The locking sleeve member and the pressing cylindrical member are each provided with a locking mechanism that locks in a state in which the hinge portion is in contact with the exterior flange portion and radially expands. The waterproof sleeve structure according to any one of claims 3 to 4. The locking mechanism is a spiral groove and a spiral projection respectively provided on the outer peripheral surface of the insertion sleeve of the sleeve member with hooks and the inner peripheral surface of the cylindrical portion of the pressing cylindrical member;
5. The helical groove and the spiral projection can be screwed together and locked by inserting the insertion sleeve of the flanged sleeve member while rotating it into the cylindrical portion of the pressing cylindrical member. Waterproof sleeve structure. The locking mechanism includes a convex portion formed on one of an outer peripheral surface of the insertion sleeve of the sleeve member with the flange and an inner peripheral surface of the cylindrical portion of the pressing cylindrical member, and the convex formed on the other. A stepped portion for locking the part,
5. The waterproofing according to claim 4, wherein the convex portion can be locked to the stepped portion by inserting and rotating the insertion sleeve of the sleeve member with the flange into the cylindrical portion of the pressing cylindrical member. Sleeve structure. The pressing cylindrical member includes a plurality of fins that are circumferentially arranged in the cylindrical portion and extend radially,
A bending portion is formed at the tip of the fin, and the bending direction of the bending portion is the same direction as the rotation direction of the flanged sleeve member with respect to the pressing cylindrical member for locking the locking mechanism. The waterproof sleeve structure according to any one of claims 4 to 6, wherein the waterproof sleeve structure is provided. A method for attaching the waterproof sleeve structure according to claim 1,
The water stop member is disposed on the outer periphery of the hinge portion of the pressing cylindrical member,
Inserting the cylindrical portion of the pressing cylindrical member into the through hole of the outer wall;
The insertion sleeve of the sleeve member with the flange is inserted into the cylindrical portion, the outer collar portion is brought into contact with the outer surface of the outer wall, and the hinge portion is brought into contact with the outer collar portion to expand radially. How to attach the waterproof sleeve structure.

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