JP5119103B2 - Drainage structure - Google Patents

Description

  The present invention relates to a drain outlet structure that drains drainage from equipment on the back side of a wall to the front side.

  Conventionally, there has been a sauna device that can make a sauna space in a unit bath (see, for example, Patent Document 1). As shown in FIG. 9, the sauna apparatus 51 is installed on the ceiling of the unit bath 50, and the humidified hot water supplied from the hot water supply pipe 52 via the humidified hot water supply path 53 is the ceiling nozzle 54. The inside of the unit bath 50 is humidified by being ejected in a mist form. A three-way valve 55 is provided between the hot water supply pipe 52 and the humidified water supply path 53, and a drain pipe 56 for draining unnecessary water to the outside of the sauna device 51 is connected to the three-way valve 55. It was. The drain pipe 56 is disposed downward along the back of the wall of the unit bath 50 and passes through the wall 57, thereby allowing drainage to flow into the unit bath 50. Here, a pipe connecting member 60 that holds the drain pipe 56 is attached to a through portion of the wall 57 in the drain pipe 56.

  By the way, in the drainage pipe 56 connected to the sauna device 51, a drainage gradient for natural drainage is necessary in a portion where the drainage pipe 56 is horizontally drawn. However, when the drainage pipe 56 having flexibility is used, there is a possibility that there is a portion where the drainage gradient is not taken in the horizontal pulling pipe part 56a due to curling of the drainage pipe 56 itself or inadequate construction.

  Therefore, the inventor of the present invention invented a drainage pipe fixture that can easily secure a drainage gradient of natural drainage (Japanese Patent Application No. 2008-004959). As shown in FIG. 10, the drain pipe fixture 70 includes a stopper 73 in a through hole 72 into which an end of the drain pipe 71 is inserted. The stopper 73 allows the drain pipe 71 to move in a direction facing the front side of the wall 74, but is inclined in one direction so as to prevent the drain pipe 71 from returning after the movement. It had the piercing piece 73a which latches an outer surface. Accordingly, when the drain pipe 71 is pulled and tensioned in the direction facing the front side of the wall 74 in construction, the stopper 73 prevents the drain pipe 71 from returning, so that the tension of the drain pipe 71 is maintained. Thus, the drainage gradient of the natural drainage of the drain pipe 71 was secured.

JP 2005-152197 A

  However, in the drainage pipe fixture 70, if the discharge port 75 that drains the drainage from the drainage pipe 71 is clogged, water accumulates in the drainage pipe 71, and the sauna device 51 (apparatus) may be loaded. was there.

  The present invention has been made to solve the above-described conventional drawbacks, and an object of the present invention is to provide a drain outlet structure that can avoid a load on the equipment due to clogging of the outlet. is there.

In order to achieve the above object, the drain structure according to the present invention has the following configuration. That is,
The drain outlet structure according to the invention of claim 1 is a drain outlet structure that drains drainage from equipment installed on the back side of the wall to the front side of the wall. This drain outlet structure is connected to the device, and has a drain pipe whose end penetrates from the back side of the wall to the front side, a first water stop member fitted to the outer periphery of the end of the drain pipe, and the drain pipe A second water stop member that is fitted to the outer periphery of the rear side, which is opposite to the tip of the first water stop member, and an end of the drain pipe that is fixed to the wall. A holding body for holding. Here, the holding body has a through hole into which an end portion of the drain pipe is inserted halfway, and the through hole discharges drainage from the drain pipe to the outside before the drain pipe. It becomes the 1st discharge port to do. And in the said through-hole, the 1st accommodation recessed part in which the said 1st water stop member is accommodated, the 2nd accommodation recessed part in which the said 2nd water stop member is accommodated, the said 1st accommodation recessed part, and the said 2nd accommodation An intermediate recess having a diameter larger than that of the first receiving recess is provided between the recess and the first receiving recess. Further, the through hole communicates with a second discharge port provided at a position different from the first discharge port in the intermediate recess or in front of the second water stop member beyond the intermediate recess. An outlet is provided. And the said through-hole is the drainage which does not satisfy predetermined drainage pressure with respect to the drainage pressure to the back applied to the said 1st water stop member through the clearance gap between the surrounding surface of the through-hole, and the outer surface of the said drain pipe. In the pressure, the first water stop member is held in the first housing recess, and the first water stop member moves to the intermediate recess at a drain pressure higher than the predetermined drain pressure. Therefore, the first water stop member moves to the intermediate recess with a drain pressure equal to or higher than the predetermined drain pressure, so that the water stop by the first water stop member is destroyed, and the drainage passes through the outlet. And discharged from the second discharge port.

  According to this drain outlet structure, the waste water from the equipment is usually discharged from the first outlet through the drain pipe. However, when this first discharge port is clogged, the drainage reaching the first water stop member through the gap between the peripheral surface of the through hole and the outer surface of the drainage pipe has a drainage pressure equal to or higher than a predetermined drainage pressure, The first water stop member is moved from the first housing recess to the large intermediate recess against the maintaining means. Thereby, the water stop by a 1st water stop member destroys, and waste_water | drain discharges | emits from a 2nd discharge port through the outflow port provided in the through-hole. Therefore, by clogging the discharge of the waste water from the second discharge port, clogging of the first discharge port is detected. And the 2nd water stop member is provided in the back rather than the outflow port, and it can prevent that drainage leaks back behind the perimeter of a drain pipe by this 2nd water stop member.

  Further, in the drain port structure according to the invention described in claim 2, in the drain port structure according to claim 1, the maintaining means restricts the movement of the first water stop member to the intermediate recess. As described above, the engaging member is located behind the first water stop member and engages with a peripheral surface of the first receiving recess or the intermediate recess or an outer surface of the drain pipe.

  In the drain port structure according to the invention described in claim 3, in the drain port structure according to claim 1, the maintaining means restricts the movement of the first water stop member to the intermediate recess. As shown in the figure, it consists of the peripheral surface of the first housing recess that engages with the first water stop member.

  Moreover, in the drain port structure which concerns on invention of Claim 4, in the drain port structure of any one of Claim 1 thru | or 3, the said holding body has the said through-hole, and said The holder body is fixed to the wall, and the cover body covers the exposed portion of the holder body on the front side of the wall. The cover body includes an opening that opens so that the first discharge port faces the outside, and forms the second discharge port.

  According to the drain port structure according to the present invention, when the first discharge port is clogged, the clogging can be detected by discharging the waste water from the second discharge port, and the first discharge port can be detected by the detection. By removing the clogging, it is possible to avoid the load on the equipment due to the clogging of the first discharge port.

  Hereinafter, the best mode for carrying out the drainage port structure according to the present invention will be described with reference to the drawings.

  1 to 4 show an embodiment of the present invention. Reference numeral 1 in the figure denotes a wall in a building, for example, a bathroom wall such as a unit bath. Reference numeral 2 denotes a drain outlet structure that drains drainage from equipment installed on the back side 102 of the wall 1 (for example, a mist sauna apparatus installed on the ceiling wall of the bathroom) to the front side 101 of the wall 1.

  The drain port structure 2 is connected to the device (not shown), and has an end 3 a penetrating from the back side 102 of the wall 1 to the front side 101 and an outer periphery of the end 3 a of the drain tube 3. The ring-shaped first water stop member 4 to be fitted and the ring-shaped second water stop to be fitted to the outer periphery of the rear side of the end portion 3a of the drain pipe 3 which is opposite to the tip of the first water stop member 4. A water member 5 and a holding body 6 which is fixed to the wall 1 and accommodates and holds the end portion 3a of the drain pipe 3 are provided. The holding body 6 has a through hole 6a into which the end 3a of the drain pipe 3 is inserted to a midway position. Therefore, the through hole 6a is a first discharge port 6b that discharges the drainage from the drainage pipe 3 to the outside before the drainage pipe 3. And in the through-hole 6a, the 1st accommodation recessed part 6c in which the 1st water stop member 4 is accommodated, the 2nd accommodation recessed part 6d in which the 2nd water stop member 5 is accommodated, the 1st accommodation recessed part 6c, and the 2nd An intermediate recess 6e having a diameter larger than that of the first receiving recess 6c is provided between the receiving recess 6d and the first receiving recess 6c.

  The through hole 6a is provided with an outlet 6g in the intermediate recess 6e or in front of the second water stop member 5 beyond the intermediate recess 6e, and the outlet 6g is connected to the first outlet. It leads to a second discharge port 6f provided at a position different from 6b. The through hole 6a satisfies a predetermined drain pressure with respect to the drain pressure behind the first water stop member 4 through the gap 601 between the peripheral surface of the through hole 6a and the outer surface of the drain pipe 3. When there is no drainage pressure, the first water stop member 4 is retained in the first housing recess 6c (see FIG. 2), and when the drainage pressure is equal to or higher than a predetermined drainage pressure, the first water stop member 4 moves to the intermediate recess 6e (FIG. 4). Reference) and maintaining means 6h. Then, the 1st water stop member 4 moves to the intermediate | middle recessed part 6e by the waste_water | drain pressure more than the said predetermined | prescribed waste water pressure, The water stop by the 1st water stop member 4 destroys, and waste_water | drain flows out the outlet 6g. It passes through the second discharge port 6f.

  By the way, the maintaining means 6h is located behind the first water stop member 4 so as to restrict the movement of the first water stop member 4 to the intermediate recess 6e, and is provided on the first receiving recess 6c or the intermediate recess 6e. The engaging member 7 is engaged with the peripheral surface or the outer surface of the drain pipe 3.

  Specifically, the drainage pipe 3 is made of a synthetic resin pipe such as a cross-linked polyethylene pipe or a polybuden pipe, and has flexibility.

  Although the 1st and 2nd water stop members 4 and 5 consist of O-rings, especially the 2nd water stop member 5 is formed larger in diameter than the 1st water stop member 4.

  The engaging member 7 is formed in a ring shape so as to fit into the drain pipe 3. The engaging member 7 has a polygonal outer periphery. Specifically, as shown in FIG. 3, the outer periphery of the engaging member 7 has a hexagonal shape, and the corner portion 7 a is chamfered in an arc shape. The engaging member 7 is accommodated so as to be press-fitted into the intermediate recess 6e, and engages with the peripheral surface of the intermediate recess 6e (specifically, the corner 7a is engaged with the peripheral surface of the intermediate recess 6e. Match). Therefore, when the first water stop member 4 receives the drainage pressure and tries to move to the intermediate recess 6e, the engaging member 7 presses the first water stop member 4 and restricts its movement.

  The holding body 6 includes a holding body main body 8 that has the through-hole 6 a and is fixed to the wall 1, and a cover body 9 that covers an exposed portion of the holding body main body 8 on the front side 101 of the wall 1.

  The holding body main body 8 includes a box body 10 provided on the back side 102 of the wall 1, a fixing member 11, a closing member 12, and a stopper 13. The box body 10 is connected to the front side 101 of the wall 1 (in the illustrated embodiment, in the bathroom) from the inlet 10a into which the drain pipe 3 is drawn on the back side 102 of the wall 1 and the through hole 1a formed in the wall 1. And a drawing outlet 10b facing it. The fixing member 11 includes a fixing portion 11 a that is fixed to the wall 1 and a support portion 11 b that supports the box body 10 on the back side 102 of the wall 1. The closing member 12 closes the through hole 1 a including the outlet 10 b of the box body 10 from the front side 101 of the wall 1. The stopper 13 prevents the drain pipe 3 inserted into the through hole 6a from coming off.

  Specifically, the box body 10 includes a main body portion 10c formed in a hollow cylindrical shape so that the drain pipe 3 passes through the inside, and an overhanging portion 10d protruding from the main body portion 10c in a bowl shape. And the said inlet 10a is provided in the one end side in the main-body part 10c, and the said outlet 10b is provided in the other end side. Here, the inlet 10a is provided with a sheath pipe connection portion 10e to which the sheath pipe 20 into which the drain pipe 3 is inserted is connected. The outlet 10 b is formed so as to protrude from the back side 102 of the wall 1 to the front side 101 through the through hole 1 a of the wall 1. Moreover, the overhang | projection part 10d is provided in the base end of the outlet 10b, and a peripheral part faces the peripheral part back surface of the through-hole 1a.

  The fixing member 11 is formed in a substantially C shape so as to cover the peripheral portion of the overhanging portion 10 d of the box body 10. The fixing member 11 includes the fixing portion 11a that contacts the wall 1 so as to surround the overhang portion 10d, and the support portion 11b that extends inward from the fixing portion 11a and supports the rear surface of the overhang portion 10d. . Therefore, the fixing member 11 is fixed to the wall 1 with a screw (not shown), for example, at the fixing portion 11a, whereby the box body 10 is attached to the wall 1 via the fixing member 11.

  The closing member 12 also serves as a guide member that guides the drain pipe 3 in a required direction (in the illustrated embodiment, obliquely downward). The closing member 12 includes a closing body 14 and a closing assistance body 15, and the closing body 14 and the closing assistance body 15 are connected to each other by a screw 16.

  The closing main body 14 has a fitting portion 14a that fits into the outlet 10b of the box body 10, a cylindrical portion 14b that is formed inside the fitting portion 14a and through which the drain pipe 3 passes, and a hook-like shape from the fitting portion 14a. And an overhanging portion 14c that overhangs. Here, the second accommodating recess 6d is formed in an intermediate portion inside the cylindrical portion 14b, and a large-diameter portion 14d having a diameter larger than that of the second accommodating recess 6d is formed on the mouth side (front side). And the said 2nd water stop member 5 is inserted in the 2nd accommodation recessed part 6d, and the stopper 13 is inserted in the large diameter part 14d. Moreover, the overhang | projection part 14c opposes the peripheral part front surface of the through-hole 1a, and is attached to the overhang | projection part 10d of the box body 10 with a screw | thread (not shown), for example. And by this attachment, the overhang | projection part 14c of the obstruction | occlusion main body 14 and the overhang | projection part 10d of the box body 10 pinch | interpose the wall 1. FIG. However, in the illustrated embodiment, another water stop member 17 is provided between the overhanging portion 14c of the closing main body 14 and the wall 1, and the water blocking member 17 causes the closing main body 14, and thus Water is closed between the blocking member 12 and the through hole 1a.

  The closing auxiliary body 15 is formed in a cylindrical shape so that the drainage pipe 3 can be passed therethrough, and the intermediate recessed portion 6e and the first receiving recessed portion 6c are formed in the rear end portion inside the closing auxiliary body 15. Therefore, the first water stop member 4 is inserted into the first housing recess 6c, and the engagement member 7 is inserted into the intermediate recess 6e. The closing auxiliary body 15 is inserted at the rear end side into the large-diameter portion 14d of the closing main body 14 and assembled to the closing main body 14. By this assembly, the stopper 13 and the second water stop member 5 are prevented from coming off. . Here, the closing tube 15a is formed by the closing auxiliary body 15 and the tube portion 14b of the closing body 14, and the end 3a of the drain tube 3 is inserted into the inside of the passing tube body 12a. The through hole 6a is formed. And the obstruction | occlusion auxiliary | assistant body 15 has the front wall 15a in the front-end part, and the said 1st discharge port 6b is provided in the rear side of the front wall 15a so that it may open below. Further, the stopper 13 is sandwiched between the rear end surface of the closing auxiliary body 15 and the stepped portion that moves from the large-diameter portion 14d of the closing main body 14 to the second housing recess 6d, and the space between the rear end surface and the stepped portion is The outlet 6g. That is, the outflow port 6g is provided between the intermediate recess 6e and the second accommodation recess 6d, both of which form the through hole 6a.

  The stopper 13 is made of a plate material such as a steel plate, and is formed in a ring shape so as to fit on the outer periphery of the drain pipe 3. The stopper 13 has a plurality of piercing pieces 13a and 13a protruding obliquely inward, and the piercing piece 13a locks the outer surface of the drainage pipe 3 so that the drainage pipe 3 It is prevented from coming off.

  The cover body 9 is a decorative cover that covers the closing member 12 from the front side 101 of the wall 1, and is detachably attached to the closing member 12. And the cover body 9 is provided with the opening part 9a opened so that the said 1st discharge port 6b may face outside. The opening 9a is formed to open downward so as to surround the first discharge port 6b. The cover body 9 forms the second discharge port 6f. In the illustrated embodiment, a space between the lower end of the rear portion of the cover body 9 and the wall 1 is the second discharge port 6f. Therefore, the outlet 6g passes through a gap 602 between the peripheral surface of the large-diameter portion 14d of the closing main body 14 and the outer surface of the closing auxiliary body 15, and 603 between the inner surface of the cover body 9 and the outer surface of the closing member 12. It leads to the second discharge port 6f.

  Next, the effect of the drain port structure 2 which consists of the above structure is demonstrated. According to the drain port structure 2, the drainage from the device is normally discharged from the first discharge port 6b through the drain pipe 3 (see FIG. 2). However, when the first discharge port 6b is clogged with scales or garbage, the drainage reaching the first water stop member 4 through the gap 601 between the peripheral surface of the through hole 6a and the outer surface of the drainage pipe 3 is discharged from the drainage pressure. Becomes equal to or higher than a predetermined drainage pressure, and the first water stop member 4 is moved from the first housing recess 6c to the large intermediate recess 6e against the engagement member 7 (maintenance means 6h) (see FIG. 4). ). Thereby, the water stop by the 1st water stop member 4 destroys, and waste_water | drain discharges | emits from the 2nd discharge port 6f through the outflow port 6g provided in the through-hole 6a. Accordingly, the clogging of the first discharge port 6b is detected by visually confirming the discharge of the waste water from the second discharge port 6f. That is, when the first discharge port 6b is clogged, the clogging can be detected by discharging the waste water from the second discharge port 6f, and the clogging of the first discharge port 6b can be removed by the detection. It is possible to avoid a load on the equipment due to the clogging of the first discharge port 6b. Moreover, even when the first discharge port 6b is clogged, the second water stop member 5 is provided behind the outlet 6g, and the second water stop member 5 allows the drainage to be drained. It is possible to prevent leaking backward along the outer periphery of 3.

  In addition, this invention is not necessarily limited to embodiment mentioned above, A various other change is possible. For example, the wall 1 may not be a bathroom wall such as a unit bath, but may be a building wall (a wall of the building itself). Further, the device to which the drain pipe 3 is connected may not be a mist sauna device, but may be a wide range of air conditioners such as an air conditioner or other devices.

  Further, even if the engaging member 7 serving as the maintaining means 6h is not housed in the intermediate recessed portion 6e, as shown in FIG. 5, the engaging member 7 is housed behind the first water stop member 4 in the first housing recessed portion 6c. It may be engaged with the peripheral surface of the first receiving recess 6 c, or may be received in the first receiving recess 6 c or the intermediate recess 6 e and engaged with the outer surface of the drain pipe 3.

  Further, even if the maintaining means 6h does not include the engaging member 7, as shown in FIGS. 6 to 8, the first water stop member is configured to limit the movement of the first water stop member 4 to the intermediate recess 6e. 4 may be composed of the peripheral surface of the first accommodating recess 6c that engages with the engaging member 7, and the engaging member 7 and the peripheral surface of the first accommodating recess 6c may be combined. Here, in FIG. 6, the protrusion 6i which restrict | limits the movement of the 1st water stop member 4 is provided in the surrounding surface of the 1st accommodating recessed part 6c. In FIG. 7, the peripheral surface of the first housing recess 6 c is an inclined surface that becomes smaller in diameter toward the intermediate recess 6 e side so as to limit the movement of the first water stop member 4. And in FIG. 8, the surrounding surface of the 1st accommodating recessed part 6c is formed in diameter smaller than usual so that the movement of the 1st water stop member 4 may be restrict | limited.

  Further, as long as the intermediate recess 6e has a diameter larger than that of the first accommodation recess 6c, the peripheral surface thereof may not be a perfect circle, but may be an ellipse, an egg, a square, or the like.

  Further, the outlet 6g may be provided in front of the intermediate recess 6e or the second water stop member 5 beyond the intermediate recess 6e. For example, a hole forming the outlet 6g is provided in the intermediate recess 6e. You may provide so that it may lead to the above-mentioned clearance gap 602 from a surrounding surface.

  Moreover, in the 2nd discharge port 6f, even if it does not become the 2nd discharge port 6f between the cover body 9 and the wall 1, the hole is provided in the cover body 9, and the hole becomes the 2nd discharge port 6f. Also good.

  Further, the holding body 6 includes the cover body 9, but the cover body 9 may be omitted. In this case, the second discharge port 6 f is provided in the closing member 12.

It is a longitudinal cross-sectional view of one embodiment of this invention. Similarly, it is a principal part enlarged view in FIG. Similarly, it is an expanded sectional view by the AA line in FIG. Similarly, it is a principal part enlarged view when a 1st water stop member moves to an intermediate | middle recessed part. FIG. 3 is a view corresponding to FIG. 2 and showing a first modification of the present invention. FIG. 9 is a view corresponding to FIG. 2 and showing a second modification of the present invention. FIG. 9 is a view corresponding to FIG. 2 and showing a third modification of the present invention. FIG. 9 is a view corresponding to FIG. 2 and showing a fourth modification of the present invention. It is a longitudinal cross-sectional view which shows the conventional unit bus. It is a longitudinal cross-sectional view which shows the drain pipe fixing tool of the prior application.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Wall 101 Front side 102 Back side 2 Drainage port structure 3 Drainage pipe 3a End part 4 1st water stop member 5 2nd water stop member 6 Holding body 6a Through-hole 6b 1st discharge port 6c 1st accommodation recessed part 6d 2nd accommodation recessed part 6e Intermediate recess 6f Second outlet 6g Outlet 6h Maintaining means 601 Gap 7 Engaging member 8 Holding body 9 Cover body 9a Opening

Claims (4)

A drainage outlet structure that drains drainage from equipment installed on the back side of the wall to the front side of the wall,
A drain pipe connected to the device and having an end penetrating from the back side of the wall to the front side; and
A first water stop member fitted to the outer periphery of the end of the drain pipe;
A second water-stopping member fitted to the outer periphery of the rear side of the end of the drainage pipe, which is on the opposite side of the tip from the first water-stopping member;
A holding body fixed to the wall and containing and holding the end of the drain pipe,
The holding body has a through hole into which an end portion of the drain pipe is inserted to a middle position, and the through hole is a first that discharges drainage from the drain pipe to the outside before the drain pipe. It becomes a discharge port,
In the through hole, a first accommodation recess in which the first water stop member is accommodated, a second accommodation recess in which the second water stop member is accommodated, the first accommodation recess and the second accommodation recess, An intermediate recess having a diameter larger than that of the first receiving recess is provided after the first receiving recess.
In the through hole, the outflow port that communicates with the second discharge port provided at a position different from the first discharge port in the intermediate recess or in front of the second water stop member beyond the intermediate recess. Is provided,
The drainage hole has a drainage pressure less than a predetermined drainage pressure relative to the drainage pressure applied to the first water stop member through the gap between the peripheral surface of the through hole and the outer surface of the drainage pipe. The first water stop member is fastened to the first housing recess, and the first water stop member moves to the intermediate recess at a drain pressure equal to or higher than the predetermined drain pressure.
The first water stop member moves to the intermediate recess with a drain pressure equal to or higher than the predetermined drain pressure, so that the water stop by the first water stop member is destroyed, and the drainage passes through the outlet and the A drainage outlet structure characterized by discharging from the second outlet.   The maintaining means is positioned behind the first water stop member so as to limit the movement of the first water stop member to the intermediate recess, and the peripheral surface of the first storage recess or the intermediate recess, The drain port structure according to claim 1, further comprising an engaging member that engages with an outer surface of the drain pipe.   The maintaining means includes a peripheral surface of the first receiving recess that engages with the first water stop member so as to limit the movement of the first water stop member to the intermediate recess. The drain structure according to claim 1. The holding body includes a holding body main body that has the through hole and is fixed to the wall, and a cover body that covers an exposed portion of the holding body main body to the front side of the wall,
The said cover body is provided with the opening part opened so that the said 1st discharge port may face outside, and forms the said 2nd discharge port, The any one of Claim 1 thru | or 3 characterized by the above-mentioned. Drain outlet structure.

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