JP2773953B2 - Faucet box for sheath tube method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a case where indoor piping is constructed by a sheath pipe method.
The present invention relates to a faucet box installed at a pipe end.

<Prior Art> In indoor piping work, a sheath pipe is arranged along a predetermined pipe route at the time of construction of a building frame, and a water pipe (water supply pipe) is connected to the sheath pipe at the time of building equipment construction. A so-called sheath pipe method for passing hot water, cooling / heating water pipes for cooling / heating, etc.) may be applied. In addition, for water supply / hot water supply to scattered locations, especially in hotels, buildings or large-scale homes, pipe water / hot water supply pipes to each water supply / hot water supply point directly from the water supply / hot water supply header. Water supply even at the same time
There is a case where a header method capable of guaranteeing a sufficient amount of water supply and hot water supply is applied regardless of the distance of a hot water supply point. In particular, a sheath pipe header method in which the header method is applied by a sheath pipe method is actively used.

FIG. 7 shows a conventional piping structure using the conventional sheath pipe header method, in which a sheath pipe 3 'is disposed from the water supply / hot water supply header h to each pipe end, and water is passed through each sheath pipe 3'. Service pipe 3
1 'is inserted, and one end of each water pipe is connected to each branch port of the header h. At the pipe point E, equipment is installed according to the purpose of water supply and hot water supply, and the pipe point is installed in a bathroom, toilet,
In the case of a washroom, a kitchen or the like, a faucet box shown in FIG. 6 is used.

In FIG. 6, 1 'is a wall, 2' is a box arranged in the space behind the wall, and a tube portion 21 'for connecting the sheath tube is provided on the bottom wall.
An opening 22 'with a frame edge 220' is provided in each of the front walls,
The sheath tube 3 'is connected to the sheath tube connecting tube portion 21', and the opening frame edge 22 is connected.
0 'is fitted in the wall hole 10'. Reference numeral 5 'denotes an elbow joint, which connects the water pipe 31' to the vertical portion 51 'and projects the horizontal portion 52' from the front surface of the wall through the opening 22 'of the box 2'. Numeral 6 'denotes a waterproof board, which is inserted through an elbow joint horizontal portion 52' through an O-ring 70 ', and has an O-ring 73' interposed between the front surface of the wall and the waterproof board. 8 'is an elbow joint 5'
The elbow joint 5 'is locked in a box by a projection 50', and the O-ring is compressed by tightening the nut.

In the faucet box, the seal is secured by using the O-rings 70 'and 73' so that even if the outer surface of the wall is wet with water such as a bathroom or a kitchen, the water can be prevented from spilling into the back surface of the wall. doing. However, the sealing process is not performed on the path from the inside of the box to the space on the back side of the wall. The purpose of the sheath pipe method is to arrange the sheath pipe in advance at the time of building the skeleton of the building, to perform the plumbing work at a later date without being restricted by the schedule of the construction work, and to renew the water pipe For the purpose of simplifying the operation, etc., the seal inside the sheath tube to the outside of the sheath tube is not required.
As shown in the figure, also in the faucet box, the opening frame edge 220 'of the box 2' is merely fitted into the wall hole 10 ', and the space from the inside of the box 2' to the space on the back side of the wall is formed. Is not sealed.

<Problem to be Solved> However, if the sheath tube is arranged without connection, or even if it is connected, the watertightness of the connection portion is ensured, and if the inside of the box is made watertight with respect to the outside of the box, Even if water leakage occurs in the water pipe inside the sheath pipe, the leak can be released to a safe place using the sheath pipe as a conduit, and damage to the building can be easily prevented.

In the faucet box shown in FIG. 6, in order to make the inside of the box watertight with respect to the outside of the box, it is conceivable to attach a packing between the periphery of the wall hole on the inner surface of the wall and the box. In the case of a wall that is unfamiliar with the packing, no significant effect can be expected.

An object of the present invention is to provide a water faucet box that can easily impart a waterproof function against leaking water to a sheath pipe of a piping path constructed by a sheath pipe method.

<Means for Solving the Problems> A water faucet box for a sheath tube method according to a first invention is a box having a tube portion for a sheath tube connection on a bottom wall and an opening surrounded by a frame edge on a front wall. Is arranged in the space behind the wall, the opening frame edge is housed in a hole provided in the wall, the sheath tube is connected to the sheath tube connection tube portion, and the water passage tube in the sheath tube is inside the box. A horizontal part of the elbow joint is connected to a vertical part of the elbow joint, a horizontal part of the elbow joint protrudes from the front surface of the wall through the opening, a core part of the waterproof panel is inserted into the protruding part, and a core part of the waterproof panel and the elbow joint horizontal part. Packing is installed between the outer periphery of the waterproof panel and the periphery of the wall hole on the front of the wall, and a lock nut is screwed into a horizontal end of the elbow joint protruding from the front of the waterproof panel. In the faucet box, the inner peripheral surface of the opening frame edge of the box or An annular adapter to the outer peripheral surface is provided integrally on the back surface of the waterproof panel, and packing is mounted between the adapter and the inner peripheral surface or the outer peripheral surface of the opening frame edge. The faucet box for the sheath tube method according to the second invention is the faucet box, wherein the inner peripheral surface or the outer peripheral surface of the annular adapter on the inner side of the horizontal portion of the elbow joint and the opening frame edge of the box. An inner lid having an outer peripheral side annular adapter is disposed at the opening of the box, and between the inner side annular adapter and the horizontal portion of the elbow joint, as well as the outer peripheral side annular adapter and the opening frame. A packing is provided between the inner peripheral surface and the outer peripheral surface of the edge, respectively.

<Description of Example> Hereinafter, an example of the present invention will be described with reference to the drawings.

FIG. 1 is an explanatory view showing one embodiment of the first invention. In FIG. 1, 1 is a wall. Reference numeral 2 denotes a box having a sheath tube connecting tube portion 21 on the bottom wall and an opening 22 on the front wall, and a frame edge 220 provided around the opening 22. The shape of the frame edge 220 of the opening 22 may be any of a circle, an ellipse, an oval, a square, and the like. 3 is a sheath tube,
It is connected to the sheath tube connecting tube 21 in a watertight manner. Reference numeral 10 denotes a hole provided in the wall 1 and accommodates the opening frame edge 220 described above. Reference numeral 5 denotes an elbow joint having a vertical portion 51 and a horizontal portion 52, the horizontal portion 52 protruding from the front surface of the wall, and the water pipe 31 in the sheath tube 3 is connected to the vertical portion 51 in a watertight manner. . 520 is an O-ring mounting groove provided in the horizontal portion 52 of the elbow joint 5. The elbow joint 5 has a protrusion 50, and the protrusion 50 is locked in a concave portion on the inner surface of the box. 6 is a waterproof board, which has a core portion 61,
This core part 61 is attached to the horizontal part 52 of the elbow joint 5 by an O-ring.
It is inserted through 70. Reference numeral 601 denotes an annular adapter for the inner peripheral surface of the opening frame edge 220, which is integrally provided on the back surface of the waterproof panel 6, and an O-ring 71 is provided between the outer peripheral surface of the adapter 601 and the opening frame edge 220. It is attached. Reference numeral 73 denotes an O-ring mounted between the periphery of the wall hole on the front surface of the wall and the periphery of the back surface of the waterproof panel. Reference numeral 8 denotes a lock nut screwed to the tip of the horizontal portion 52 of the elbow joint 5. The ring 73 is compressed. Reference numeral 9 denotes a curan, and an elbow joint 5
It is screwed to.

In the above, sealing is performed by the O-rings 70 and 73, and the box 2 and the sheath tube 3 are connected in a water-tight manner.
Since the space between the box 2 and the waterproof panel 6 is sealed by the O-ring 71, the inside of the box 2 can be made watertight against the outside of the box. In this case, a seal between the box 2 and the waterproof panel 6 is formed by integrally forming an annular adapter 601 on the back surface of the waterproof panel 6, and the annular adapter 601 is attached to the opening frame edge 220 of the box 2 via an O-ring 71. It is performed by inserting, and even if the wall thickness is different, this insertion depth is increased or decreased to
The seal by the ring 71 can be ensured, and the seal can be guaranteed without being affected even if the wall thickness changes.

An annular adapter 60 integrally formed on the back of the waterproof panel 6
2, 1 is provided on the outer peripheral surface of the opening frame edge 220 of the box 2 and an O-ring 71 can be mounted between the outer peripheral surface and the inner peripheral surface of the annular adapter 601. .

FIG. 3 is an explanatory view showing one embodiment of the second invention. In FIG. 3, reference numeral 6 denotes a waterproof panel, which has a core portion 61, and an O-ring 70 is mounted between the core portion 61 and the elbow joint horizontal portion 52 as in FIG. An O-ring 73 is interposed between the periphery of the back surface and the periphery of the wall hole on the entire wall, and the O-ring 73 is compressed by tightening the lock nut 8. 60
Is an inner lid, which includes an inner annular adapter 602 for the elbow joint horizontal portion 52 and an outer annular adapter 603 for the inner peripheral surface of the opening frame edge 220 of the box 2; An O-ring 72 is mounted between the 602 and the elbow joint horizontal part 52, and an O-ring 71 is mounted between the outer annular adapter 603 and the opening frame edge 220 of the box 2.

Also in the faucet box according to the second aspect of the invention, the inside of the box 2 can be made watertight with respect to the outside of the box, and this watertightness can be ensured without being restricted by the wall thickness. In particular, in the water faucet box according to the second invention, even if the inside of the box 2 becomes full due to the leak water, the water pressure does not act on the O-rings 70 and 73, and the O-rings 70 and 73 are required to operate. The sealing performance may be such that water adhering to the outer surface of the outer wall or the outer wall of the callan can be prevented from running toward the back side of the wall. is there. Further, the angle of the waterproof panel 6 can be adjusted.

In the above, the annular adapter 603 on the outer side of the inner lid is provided on the outer peripheral surface of the opening frame edge 220 of the box 2 as shown in FIG.
An O-ring 71 may be mounted between the inner ring and the inner peripheral surface.

In each of the first and second embodiments of the present invention, the sheath tube 3 may be a concentric ring-shaped corrugated plastic tube in which ring-shaped protrusions and ring recesses are alternately formed. For the connection between the tube connecting tube 21 and the sheath tube 3, slits are provided on both sides of the tube connecting tube 21.
As shown in FIG. 5, an O-ring 700 is mounted between the tube portion 21 and the sheath tube 3, and the U-shaped stopper 21 is inserted into the slits 211 and 211.
2 and each side of the stopper 212 is
A configuration for engaging with the ring-shaped recess can be used.

As shown in FIG. 1, the vertical portion 51 of the elbow joint 5 is connected to the water pipe 31 by inserting the tapered end of the elbow joint vertical section 51 into the water pipe end. A configuration can be used in which the 511 is screwed to the elbow joint 5, the cap nut 512 is screwed into the screw portion of the slit ring 511, and the slit portion 513 of the slit ring 511 is tightened.

<Effect of the Invention> The faucet box according to the present invention has the same configuration as described above, and the inside of the box is made water-tight with respect to the outside of the box. Water leakage in the water pipe inside the sheath pipe can be safely handled by using the sheath pipe as a duct (for example, a waterproof pan is attached to the end of the sheath pipe on the header side, and leakage water is guided by a drainage pipe from the drain of the waterproof pan. ), Can eliminate building damage. In addition, the inside of the box can be treated watertight without being restricted by the wall thickness, and the applicable range is wide. In particular, in the water faucet box according to the second invention, even if the lock nut is loosened, the water tightness of the box can be maintained and the safety is excellent.

[Brief description of the drawings]

FIGS. 1 and 2 are side views each showing a different embodiment of the first invention in a partial cross section, and FIGS. 3 and 4 are side views each showing a different embodiment of the second invention in a partial cross section. FIG. 5 is a cross-sectional view showing an example of a connection structure between a box and a sheath tube in each of the above-mentioned inventions, FIG. 6 is a side view showing a partial section of a conventional example, and FIG. 7 is a piping structure by a sheath tube header method. FIG. DESCRIPTION OF SYMBOLS 1 ... Wall, 10 ... Wall hole, 2 ... Box, 21 ... Tube part for sheath tube connection, 22 ... Opening, 220 ... Frame edge, 3 ... Sheath tube, 3
1 ... water pipe, 5 ... elbow joint, 51 ... vertical part of elbow joint, 52 ... horizontal part of elbow joint, 6 ... waterproof board,
61 ... core part, 601 ... annular adapter, 60 ... inner lid, 6
02… Inner side annular adapter, 603 …… Outer side annular adapter, 70,71,72,73 …… O ring, 8 …… Lock nut.

Claims (2)

(57) [Claims] 1. A box having a tube portion for connecting a sheath tube on a bottom wall and an opening surrounded by a frame edge on a front wall is arranged in a space behind the wall, and the opening is provided in a hole provided in the wall. The frame edge is housed, the sheath tube is connected to the sheath tube connecting tube portion, the water passage tube in the sheath tube is connected to the vertical portion of the elbow joint in the box, and the horizontal portion of the elbow joint is the opening portion. The core of the waterproof panel is inserted through the projecting portion, and the core of the waterproof panel is inserted into the projecting portion, between the core of the waterproof panel and the horizontal portion of the elbow joint, and the outer peripheral portion of the back surface of the waterproof panel and around the wall hole on the front of the wall. In a faucet box in which a packing is mounted between each part and a lock nut is screwed to a tip of a horizontal part of an elbow joint protruding from the front surface of the waterproof board, an inner peripheral surface of an opening frame edge of the box or An annular adapter for the outer peripheral surface is installed integrally on the back of the waterproof panel. Is, the sheath tube method faucet box packing between the inner peripheral surface or outer peripheral surface of the adapter and the opening frame edge, characterized in that it is fitted. 2. The faucet box according to claim 1, wherein the annular adapter on the inner side with respect to the horizontal portion of the elbow joint and the outer side annular adapter with respect to the inner or outer peripheral surface of the opening frame edge of the box. An inner lid provided with the inner cover is disposed at the opening of the box, between the inner annular adapter and the horizontal portion of the elbow joint, and the outer annular adapter and the inner peripheral surface of the opening frame edge. A water faucet box for a sheath tube method, wherein a packing is attached to an outer peripheral surface.