JP4357320B2 - Structure for preventing water leakage from through holes - Google Patents

Description

  The present invention relates to a structure for preventing water leakage from a through hole formed in a bathtub or the like.

Conventionally, as shown in FIG. 7, a bathtub 2 with a washing place in which the bathtub 3 and the washing place 4 are integrated is provided, and a through hole 3 a for chasing is formed on the wall surface of the bathtub 3 exposed outside the bathroom 1. In such a case, as shown in FIG. 8, a reheating adapter 51 is attached to the through hole 3 a, but the water leakage receiver 52 for receiving water leakage from the through hole 3 a is connected to the bathtub 3 below the through hole 3 a. It was affixed to the wall surface of this, and it was comprised so that a water leak might be received by this water leak receptacle 52. FIG.
In the structure disclosed in Patent Document 1, as shown in FIG. 9, the water leak receiver 52 is attached to the through hole 3 a by being sandwiched between the adapter 51 and the nut member 53.
JP 11-324050 A

As shown in FIG. 8 of the related art, in the structure in which the leak receiver 52 is bonded and fixed, the leak receiver 52 may be peeled off from the bathtub 3.
Further, even in the structure shown in FIG. 9 disclosed in Patent Document 1, when the back surface of the bathtub 3 wall surface is not smooth, water leaks from the gap between the back surface of the bathtub 3 and the water leak receiver 52. was there.

The present invention has been devised in view of the above-described conventional problems, and is intended to provide a water leakage prevention structure that can completely prevent water leakage from a through hole. Claim 1 is a wall surface having a through hole. In the structure in which the male and female screw members are tightened from the front and back sides and the attachment member is sandwiched between the wall surface and the screw member in the through hole, the attachment member is formed with a hole that is larger than the through hole and smaller than the outer diameter of the screw member. The step is formed by aligning the hole with the through hole and temporarily fixing the mounting member to the wall surface to fill the step formed by the inner periphery of the hole of the mounting member and the inner periphery of the through hole , That is , the mounting member is sandwiched between the wall surface and the screw member by tightening the screw member .

  According to a second aspect of the present invention, the through hole is formed in a bathtub exposed outside the bathroom, such as a bathtub with a washing place, the screw member is an adapter for chasing, and the mounting member is a leak receiver. That is.

  In the present invention, a step portion formed by the inner periphery of the hole of the mounting member and the inner periphery of the through hole is filled with a sealing agent such as silicon, and the mounting member is clamped by male and female screw members and attached. Therefore, there is no possibility that the mounting member is peeled off, and since the sealing agent is filled, water does not leak from the gap, and water leakage from the through hole can be reliably prevented.

  The through hole is formed in a bathtub exposed outside the bathroom, such as a bathtub with a washroom, the screw member is an adapter for reheating, and the mounting member is a water leak receiver, so it is formed in the bathtub. The water leak receiver can be securely attached by inserting the adapter into the through-hole, and the water leak receiver is not peeled off and is filled with a sealant. Leakage is prevented, and thus water leakage from the through hole of the bathtub can be surely prevented.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is an enlarged vertical cross-sectional view of a water leak receiver (attachment member) 5 attached to a through hole 3a formed in the wall surface of the bathtub 3 of the bathtub 2 with a washing place as shown in FIG. FIG. 2 is a schematic configuration diagram in which the main part is enlarged.
FIG. 3 is a perspective configuration diagram of a rubber water leak receiver (attachment member) 5.

  The water leak receiver (mounting member) 5 is formed in a box shape with an upper surface of the tray portion 5a, and a fixed piece portion 5b that rises upward is integrally formed on one side of the tray portion 5a, and an upper portion of the fixed piece portion 5b. A hole 5c is formed through the site. The inner diameter dimension A of the hole 5c is set to be larger than the inner diameter dimension C of the through hole 3a formed in the bathtub 3 and smaller than the outer diameter dimension B of the flange portion 7a of the female screw member 7. .

  The through hole 3a formed in the bathtub 3 is a through hole for chasing, and an adapter for chasing is attached to the through hole 3a by tightening from the front side and the back side. The adapter includes a male screw member 6 disposed on the front side of the bathtub 3 and a female screw member 7 tightened from the back side of the bathtub 3.

FIG. 5 shows an exploded perspective view of the male screw member 6, the female screw member 7 and the cap 12 constituting the tracking adapter, and FIG. 4 shows a tightened state of the male screw member 6 and the female screw member 7. FIG.
The male screw member 6 has a main body portion 6a having a larger diameter than the flange portion 7a of the female screw member 7, and protrudes outward from the center portion of the main body portion 6a. A male screw cylinder portion 6b having a screw is integrated, and a small-diameter inner water channel pipe 6c is integrated coaxially with a gap formed inside the male screw cylinder portion 6b.

The female screw member 7 has a flange portion 7a that protrudes outward on the male screw member 6 side, and is coaxially provided with an inner water conduit having a small diameter inside the female screw cylinder portion 7b in which a female screw is formed on the inner side. 7c is integrally formed, and an O-ring 11 is fitted into the inner periphery of the tip of the inner water pipe 7c on the male screw member 6 side. The female screw member 7 is provided with a pipe 13 that communicates with a reheating water heater (not shown).
A rubber packing 9 is attached in advance to the outer periphery of the flange portion 7c of the female screw member 7, and the outer periphery of the male screw cylinder portion 6b of the male screw member 6 is brought into contact with the main body 6a side. The packing 10 is attached.

First, the water leak receiver (attachment member) 5 shown in FIG. 3 is temporarily fixed to the outside of the through hole 3a of the bathtub 3 by adhesion. In this case, the through-hole 3 a of the bathtub and the hole 5 c formed in the water leakage receiver (attachment member) 5 are aligned, and the fixed piece 5 b is temporarily fixed to the outside of the bathtub 3 with the adhesive P.
Thus, in the temporarily fixed state, the inner diameter dimension A of the hole 5c of the water leak receiver (mounting member) 5 is larger than the inner diameter dimension C of the through hole 3a. A step portion is formed between the periphery and the step S is filled with silicon S.
After filling the silicon S, the male screw cylinder portion 6b of the male screw member 6 is inserted into the through hole 3a from the front side of the bathtub, and the male screw cylinder portion 6b protrudes to the outside of the bathtub 3. On the other hand, from the back side of the bathtub 3, the female screw cylinder portion 7b of the female screw member 7 is screwed and tightened.

  When the female screw cylinder portion 7b is tightened with respect to the male screw cylinder portion 6b, the fixing piece 5b of the water leakage receptacle (attachment member) 5 is sandwiched between the male screw member 6 and the female screw member 7 to be firmly attached to the bathtub 3 Since the packing 10 is interposed on the inside, the rubber packing 9 is interposed on the outside, and silicon S is filled, the water of the bathtub 3 is not smooth. Is prevented from entering the gap between the wall surface of the bathtub 3 and the fixed piece 5b, and the outer periphery of the through hole 3a is completely sealed. In addition, since the water leak receptacle (attachment member) 5 is clamped and clamped with the external thread member 6 and the internal thread member 7 which comprise the adapter for tracking, it does not peel off.

  In a state where the female screw cylinder portion 7b is fastened to the male screw cylinder portion 6b, the inner water pipe 7c of the female screw member 7 is fitted into the outer periphery of the inner water pipe 6c of the male screw member 6, and the inner water pipe 6c and the internal water pipe 7c will be in a communication state.

In addition, in this example, although the structure in the case of attaching the water leak receptacle (attachment member) 5 to the through-hole 3a of the bathtub 3 is illustrated, the same structure is employ | adopted also in other scenes, for example, FIG. As shown, the male and female screw members 14 and 15 are tightened from the front and back of the through hole 3a formed in the wall 13 provided with the gypsum board 13b on the back surface of the steel plate panel 13a, and the mounting member ( The packing member 18 can be sandwiched and attached. The mounting member 18 has a hole larger than the through-hole 3a and smaller than the outer diameter of the screw members 14 and 15, and What can reliably prevent water leakage from the through hole 3a even when the step between the inner periphery of the hole and the inner periphery of the through hole 3a is filled with silicon S and the back surface of the gypsum board 13b is not smooth. It becomes.
In FIG. 6, 14 a is a male screw cylinder portion of the male screw member 14, and 14 b is a flange of the male screw member 14. Reference numeral 16 denotes a crank connected to the female screw member 15, and reference numeral 17 denotes a faucet connected to the crank 16.

It is a longitudinal cross-sectional enlarged block diagram of the state which attached the water leak receiver (attachment member) to the through-hole of the bathtub. It is the schematic block diagram which expanded the principal part of FIG. It is a perspective view of a water leak receiver (attachment member). It is a partially broken perspective view of the state where the male screw member and the female screw member constituting the tracking adapter are tightened. It is a partially broken exploded perspective view of a male screw member, a female screw member, and a cap constituting the chasing adapter. It is a longitudinal cross-section block diagram which shows the other example which attached the attachment member to the through-hole. It is a perspective block diagram of the bathtub with a washing place installed in the bathroom. It is a principal part longitudinal cross-section block diagram which shows the attachment structure of the conventional water leak receiver. It is a principal part longitudinal cross-section block diagram which shows the attachment structure of the conventional water leak receiver.

DESCRIPTION OF SYMBOLS 1 Bathroom 2 Bathtub with wash-out place 3 Bathtub 3a Through hole for chasing 4 Wash-up place 5 Water leak receptacle (mounting member)
5a Receptacle part 5b Fixing piece part 5c Hole 6 Male screw member 6a Main body part 6b Male screw cylinder part 6c Inner water pipe 7 Female screw member 7a Eave part 7b Female screw cylinder part 7c Inner water pipe 9 Rubber packing 10 Packing 11 O-ring 13 Wall 14 Male thread member 15 Female thread member 18 Packing (mounting member)
S silicon

Claims (2)

In the structure in which the male and female screw members are tightened from the front and back of the wall surface having the through hole and the mounting member is sandwiched between the wall surface and the screw member, the mounting member is larger than the through hole and larger than the outer diameter of the screw member. A small hole is formed, and the hole is aligned with the through hole, and the mounting member is temporarily fixed to the wall surface, thereby sealing the stepped portion formed by the hole inner periphery of the mounting member and the inner periphery of the through hole. A structure for preventing leakage of water from a through-hole , wherein an agent is filled, and the screw member is tightened to sandwich the attachment member between the wall surface and the screw member .   The through hole is formed in a bathtub exposed outside a bathroom such as a bathtub with a washing place, the screw member is an adapter for reheating, and the mounting member is a water leak receiver. The structure for preventing water leakage from the through hole according to claim 1.

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