JP5645452B2 - Bathroom plumbing fixtures - Google Patents

Description

  The present invention relates to a bathroom pipe fitting for stopping water around a through hole for drawing a pipe such as a water supply pipe and a hot water supply pipe into the bathroom.

  Conventionally, in a bathroom, in order to draw piping such as a water supply pipe and a hot water supply pipe from the outside, a through hole is formed in a mounting surface such as a floor surface and a wall surface, the pipe is drawn from the through hole, and water is drawn from around the through hole. It is watertight so as not to enter.

  In view of this, conventionally, pipe fittings for pulling pipes into the bathroom while maintaining water tightness and structures using the equipment have been proposed (for example, Patent Document 1 and Patent Document 2).

  As shown in FIG. 7, which will be described later, in the pipe fitting described in Patent Document 1, the base end portion of the main body 90 through which the pipe P is passed is inserted into the through hole H and protrudes from the back side of the mounting surface F. A fastening nut 92 is attached to the protruding proximal end portion, and the attachment surface F is sandwiched from the front and back by the fastening nut 92 and the flange 94 of the main body 90. Further, an elastically deformable watertight material 93 sandwiched between the flange 94 and the mounting surface F makes the periphery of the through hole watertight.

  Furthermore, the pipe fitting described in Patent Document 2 is tightly connected to the pipe protruding from the tip opening and is water-tight by tightening the tip of the main body with a binding band.

JP 2009-275414 A Japanese Patent No. 3673726

  In the previously proposed pipe fitting, when the tightening nut is tightened with an appropriate load, the watertight material is elastically deformed to stop water around the through hole. Further, the tightening nut generates frictional force between the base end portion and the mounting surface, thereby preventing loosening of the tightening.

  However, when the tightening of the tightening nut becomes excessive, a load is applied to the member including the tightening nut, the flange, the watertight material, and the mounting surface, which may be damaged and cause water infiltration. On the other hand, when the tightening of the tightening nut is insufficient, the watertight material is not elastically deformed and sufficient water stoppage cannot be performed. In addition, the water hammer action (water hammer) caused by hot water flowing through the pipe is repeatedly generated, so that the entire instrument may be shaken to loosen the tightening of the tightening nut. Furthermore, there is a possibility that the tightening nut is loosened when the main body rotates in the anti-tightening direction.

  The present invention has been made in view of such circumstances, and by appropriately tightening the base end portion of the main body and the mounting member to a predetermined tightening amount, an appropriate tightening operation is performed without using a special tool. An object of the present invention is to provide a bathroom pipe fitting that can avoid the above-mentioned problems caused by damage to members due to excessive tightening and loosening of tightening.

The bathroom pipe fitting according to the present invention is inserted into a through hole in which the base end portion of the substantially cylindrical main body is drilled on the mounting surface in the bathroom, fastened to the mounting member, and is provided around the outer peripheral surface of the main body. The flange and the mounting member are sandwiched around the through hole from the front and back, and a watertight material that is elastically deformable by the sandwiching stops water around the through hole, and a water supply pipe and a hot water supply pipe through which the main body passes. In the bathroom pipe fitting that water-tightly guides the pipe in such a way as to pass through the through hole, the base end part and the attachment member include an engagement surface that engages in the tightening direction, A part of the watertight material is formed from the cylindrical part, the top part receiving the pressure from the flange, and the cylindrical part hanging from the outer edge of the top board. this further comprising a cap member covering over the water-tight material so as to extend to the outside of The features.

  In the bathroom plumbing fixture according to the present invention, each of the engagement surfaces provided in the main body and the mounting member that sandwich the mounting surface from the front and back are formed so as to be able to regulate tightening exceeding a predetermined tightening amount. Thus, proper tightening to the extent that watertightness with the mounting surface can be ensured is performed without using a special tool.

  In the pipe fitting for a bathroom according to the present invention, when the cap member is covered with a watertight material and pressed from the flange by the top plate, the main body and the mounting member are tightened and tied, Transmits the pressure of the flange to the watertight material. In addition, by providing a cylindrical part that hangs down from the outer edge of the top plate, when the watertight material is elastically deformed by pressing of the flange, the elastic deformation force of the watertight material is concentrated around the through hole so that the watertight material does not bulge outward. To do. In addition, since a part of the watertight material protrudes from the cylindrical portion of the cap member, the lower end of the cylindrical portion of the cap member approaches the mounting surface when the main body and the mounting member are tightened and connected, and the watertight material is Elastically deforms. And when the lower end of the cylinder part of a cap member arrives at an attachment surface, this cylinder part serves as a support and regulates subsequent tightening.

  The bathroom pipe fitting according to the present invention may be configured such that the attachment member includes attachment means for fixing to the attachment surface.

  In the bathroom plumbing fixture according to the present invention, by fixing the mounting member to the mounting surface, for example, the operator enters the back side of the mounting surface and holds the main body while holding the mounting member by hand from the back side. It is only necessary to attach the main body from the front side of the mounting surface to the mounting member that has been fixed to the mounting surface in advance, without performing a difficult operation such as mounting from the front side of the mounting surface.

  Further, the bathroom pipe fitting according to the present invention may be configured such that the attachment member further includes positioning means for aligning with the attachment surface.

  In the bathroom pipe fitting according to the present invention, the attachment member includes positioning means, so that the operator attaches the attachment member to the accurate attachment position while visually observing.

  Further, the bathroom pipe fitting according to the present invention is fixed so as to be movable with respect to the direction in which the mounting surface is displaced from the outer peripheral surface on the tip side of the flange and rising from the mounting surface. The structure which further has a rocking | fluctuation prevention part to be sufficient may be sufficient.

  In the bathroom plumbing fixture according to the present invention, at least the lateral shaking of the main body is suppressed by including an anti-sway part fixed to the rising surface rising from the mounting surface, which protrudes from the outer peripheral surface of the main body. Prevent rotation of the body in the anti-tightening direction. In addition, by fixing the anti-sway part so that it can move in the direction in which the mounting surface is displaced, the body including the anti-sway part moves according to the bending of the mounting surface, so that the mounting surface can be bent. Absorb the load on the body based.

  In the bathroom pipe fitting according to the present invention, the base end portion and the attachment member are restricted so that the anti-sway portion stops at a position where the anti-sway portion protrudes toward the standing surface in a state where the tightening is a predetermined tightening amount. The structure which further comprises the rotation control means to perform may be sufficient.

  In the bathroom plumbing fixture according to the present invention, by restricting the rotation of the anti-sway part so as to protrude toward the upright surface, the anti-sway part can be securely fixed to the upright surface, and the worker Visually confirms that proper tightening is performed when the anti-sway part faces the upright surface.

  The bathroom pipe fitting according to the present invention includes a substantially cylindrical other member that is externally fitted to the distal end portion of the main body, and a fastening member that fastens the other member to the distal end portion of the main body by rotation in the fastening direction. The tightening member may include a detent portion fixed to the front rising surface together with the anti-sway portion.

  In the bathroom pipe fitting according to the present invention, the fixture body is prevented from shaking by the shaking preventing portion, and the return of the rotation of the member that tightens the substantially cylindrical other member fitted around the distal end portion of the body is stopped. .

  In the present invention, it is possible to perform an appropriate tightening operation without using a special tool, and it is possible to avoid various problems due to damage of a member due to excessive tightening or loosening of tightening.

It is the disassembled perspective view which looked at the piping fitting of the bathroom which concerns on this invention from the front view right diagonal. It is side view sectional drawing which cut | disconnected the pipe fitting of the bathroom which concerns on this invention in the front view front-back direction. It is explanatory drawing which shows the fastening structure of the main body and attachment member with which the pipe fitting of the bathroom which concerns on this invention is equipped, (a) is the perspective view which looked at the structure of the main body from the front view left diagonal, (b) is an attachment member It is side view sectional drawing which cut | disconnected in the front view front-back direction. It is front view sectional drawing which cut | disconnected the positioning means with which the piping fitting of the bathroom which concerns on this invention was equipped with front view left-right direction. It is a perspective view which shows the example of attachment of the pipe fitting fixture of the bathroom which concerns on this invention. It is a cross-sectional perspective view which cuts the example of attachment of the plumbing fixture of the bathroom concerning the present invention in the horizontal direction. It is side view sectional drawing which cut | disconnected the conventional pipe fitting of the bathroom in the front view front-back direction.

  The bathroom pipe fitting according to the present invention will be described below with reference to the drawings showing embodiments. As shown in FIGS. 1 and 2, the pipe fitting according to the present invention includes a cylindrical plug 1, a floor watertight material 2 that makes the plug 1 and the mounting surface F watertight, and a floor watertight material 2. A packing guide 3 for covering, a base 4 for attaching the plug 1 to the attachment surface F, a water-tight base material 40 for water-tightening the base 4 and the attachment surface F, and a boot 5 fitted into the distal end side of the plug 1; A plug cap 50 that makes the tip of the plug 1 and the boot 5 watertight, a fixing piece 6 for fixing the plug 1 to the standing surface W, and a watertight material for a fixing piece that watertightly fixes the fixing piece 6 and the standing surface W 60. In the present embodiment, the attachment surface F is a floor surface (and a wall surface) to which the pipe fitting is attached, and the upright surface W is a wall surface (and a floor surface) rising from the attachment surface F. Further, the base end side of the plug 1 is a side to be inserted into the through hole H of the mounting surface F, and the distal end side is a side protruding from the mounting surface F.

  More specifically, the plug 1 is a main body of a pipe mounting device, has a substantially cylindrical shape made of polyacetal (POM), a flange 10, an insertion tube portion 11, an O-ring mounting groove 12, and an engaging claw 13. The overhanging piece 14 and the boot mounting stopper 15 are provided.

  The flange 10 protrudes from the middle of the plug 1 in a bowl shape having a circular shape in plan view. The insertion cylinder part 11 is a plug part located on the proximal end side with respect to the flange 10, and an O-ring attachment groove 12 and an engaging claw 13 are formed in order from the flange 10 toward the proximal end.

  As shown in FIG. 3A, the engaging claws 13 protrude from the outer peripheral surface of the insertion tube portion 11 in a scattered manner and are divided into two stages with respect to the axial direction of the plug 1. The first-stage engagement claw 13 and the second-stage engagement claw 13 protrude so as not to overlap in plan view. The engagement claw 13 has an upward inclination (invitation portion) from the engagement start position to the engagement restriction position, and is formed to be horizontal (regulation portion) from the engagement restriction position to the engagement end position. A surface 130 is provided (see FIG. 3A).

  The overhanging piece 14 is an anti-sway portion of the pipe fitting, and overhangs in one direction from the outer peripheral surface on the tip side of the flange 10. The projecting piece 14 projects so that the width direction coincides with the axial direction of the plug 1, and projects so that the side end on the distal end side of the plug 1 is longer than the side end on the proximal end side in the width direction. . Further, the projecting piece 14 extends to the left and right so that the tip in the projecting direction is substantially T-shaped in a plan view, and the separated and extended portion functions as a slide engagement protrusion 140.

  The boot mounting stopper 15 protrudes from the distal end portion of the plug 1 in a circular bowl shape in plan view, and a plurality of tightening claws are further protruded from the outer edge of the boot mounting stopper 15 over the entire circumference at appropriate intervals.

  For example, the floor watertight material 2 has a thick annular shape made of a soft material such as foamed silicone having a hardness of 30 degrees, and is elastically deformed by a pressing force so as to fill a gap around the through hole H of the mounting surface F. Stop water. The surface of the floor water-tight material 2 has slipperiness, and the contact portion between the floor water-tight material 2 and the insertion tube portion 11 of the plug 1 slides due to the rotational movement of the plug 1.

  The packing guide 3 is a cap member that covers the floor watertight material 2, and is formed of a hard material such as POM (polyacetal), ABS resin (acrylonitrile / butadiene / styrene copolymer synthetic resin) or metal, and an annular top plate 30 and a cylindrical portion 31 depending from the top plate 30. The cylinder part 31 is formed so that the height dimension is about ¾ of the thickness dimension of the floor watertight material 2. The packing guide 3 has a slipperiness with the surfaces of the top plate 30 and the cylindrical portion 31 being flat, and due to the rotational movement of the plug 1, the contact location between the flange 10 of the plug 1 and the top plate 30, and The contact part of the top plate 30, the cylinder part 31, and the watertight material 2 for floors slips, and functions as a slip washer member.

  The base 4 is an attachment member for attaching the plug 1 to the attachment surface F, is formed of POM (polyacetal), and includes a plug receiver 41, a clamping plate 42, and a rib attachment piece 43.

  The plug receiver 41 has a substantially cylindrical shape slightly larger than the outer diameter of the insertion tube portion 11 of the plug 1, and a plurality of engagement receiving claws 44 are scattered from the inner peripheral surface as shown in FIG. Protruding in dots. The engagement receiving claws 44 are divided into two stages with respect to the axial direction of the plug receiver 41, and the first stage engagement receiving claws 44 protrude so as not to overlap the second stage engagement receiving claws 44 in plan view. Yes. The engagement receiving claw 44 includes an engagement receiving surface 440 formed so as to be horizontal from the engagement start position to the engagement end position. Further, a small rotation restricting piece 441 protrudes from one of the engagement receiving surfaces 440 from the engagement end position.

  The sandwiching plate 42 protrudes from the middle of the plug receiver 41 in a square shape in plan view. The rib attachment piece 43 is an attachment means for fixing the base 4 to the back surface of the attachment surface F. The rib attachment piece 43 hangs down in a substantially tongue shape from the overhanging edge of the holding plate 42 and protrudes from the edge in the width direction as shown in FIG. Positioning protrusions 430, cut grooves 431 carved on the surface, and screw holes 432.

  The cut-out groove 431 has a U-shaped window bent upward, and a corner portion formed inside the window is on a virtual line connecting the positioning protrusions 430. The screw hole 432 is opened at the upper and lower positions sandwiching the cutout groove 431.

  The base watertight material 40 has a thick annular shape made of a soft material such as foamed EPDM (ethylene-propylene-diene rubber), and is elastically deformed by a pressing force, and a clearance around the through hole H of the mounting surface F Stop water to fill

  The boot 5 is another member that fits into the distal end portion of the plug 1. For example, the boot 5 has a substantially cylindrical shape made of an elastic material such as non-foamed EPDM (ethylene-propylene-diene rubber), and the outer peripheral surface has a bellows shape. A flange-like stopper having a circular shape in plan view projects from the base end (attachment side).

  The plug cap 50 is a fastening member for fastening the boot 5 to the tip of the plug 1 and is formed of POM (polyacetal), and includes an annular top plate 500 and a cylindrical portion 501 depending from the top plate 500. The cylindrical portion 501 has a plurality of fastening receiving claws 502 protruding from the inner peripheral surface, and a detent piece 503 protruding in one direction from the outer peripheral surface. The tightening receiving piece 502 has a rotation restricting piece protruding at the engagement end position.

  The fixed piece 6 is a member for fixing the projecting piece 14 to the upright surface W, and is a rectangular plate made of POM (polyacetal). The fixed piece 6 includes a slide engagement groove 61 formed along a length direction orthogonal to the width direction, and a screw hole 62 opened at a position separated in the width direction across the slide engagement groove 61. . The slide engagement groove 61 is open at one end and closed at the other end.

  The fixing piece watertight material 60 is made of, for example, a soft material such as EPDM (ethylene-propylene-diene rubber) foaming, and is elastically deformed so as to fill the gap between the fixing pieces 6 by the pressing force. Do.

  As described above, the pipe fitting is composed of a plurality of members. Therefore, a method for assembling and attaching a pipe fitting using these members will be described below. In addition, although the piping attachment instrument which concerns on this invention can be attached to the floor surface and wall surface in a bathroom, the attachment with respect to the floor pan by which the rib R for reinforcement was formed in the back surface is demonstrated as an example here.

(Attaching the base 4)
First, in the pipe fitting, the base watertight material 40 is fitted into the outer periphery of the plug receiver 41 of the base 4. The base end of the pipe fitting is inserted into the through hole H of the floor pan from the back side of the floor pan, and the rib attachment piece 43 contacts the reinforcing rib R. In the pipe fitting, the base 4 is pushed to a position where the tip of the positioning protrusion 430 coincides with the marking line L drawn on the surface of the reinforcing rib R, and the watertight material 40 for the base surrounds the clamping plate 42 and the through hole H. And is elastically deformed to stop the gap around the through hole H. In the pipe fitting, the tapping screw is screwed into the reinforcing rib through the screw hole 432 and fixed.

  When the pipe fitting is attached to the reinforcing rib R shorter than the hanging dimension of the rib attachment piece 43, the tip end side of the rib attachment piece 43 is cut off by the cut groove 431, and the corner angle newly formed at the cut place is The front end is fixed at a position that coincides with the lower end edge of the reinforcing rib R.

(Installation of piping and floor pan)
Pipes such as a water supply pipe and a hot water supply pipe are drawn into the bathroom for faucets. The pipe is inserted from below the plug receiver 41 of the base 4. The floor pan is installed in the bathroom with the base 4 and piping attached.

(Attaching plug 1)
In the pipe fitting, the packing guide 3 is fitted on the outer periphery of the insertion tube portion 11 of the plug 1, and the floor watertight material 2 is fitted on the outer periphery of the insertion tube portion 11 in a state of covering the tube portion 31 of the packing guide 3. At this time, the floor watertight material 2 is in a state where the lower end side ¼ portion protrudes from the cylindrical portion 31 of the packing guide 3. In the pipe fitting, for example, an O-ring 20 made of EPDM (ethylene-propylene-diene rubber) having a hardness of 70 is fitted in the O-ring fitting groove 12.

  In the pipe fitting, the insertion tube portion 11 of the plug 1 is inserted into the plug receiver 41 of the base 4 whose opening is viewed from the floor pan, and the engagement surface 130 of the plug 1 and the engagement receiving surface 440 of the base 4 are engaged. Engage at the starting position. When the pipe fitting is rotated in the tightening direction (clockwise), the engagement receiving surface 440 slides on the upward inclination (invitation portion) of the engagement surface 130 and the plug 1 is attracted to the base 4. The pipe fitting continues to rotate further, and when the engagement receiving surface 440 reaches the engagement restricting position and the engagement receiving surface 440 enters the horizontal (regulating portion) of the engaging surface 130, thereafter, The plug 1 is not attracted to the base 4. When the pipe fitting further continues to rotate, the engagement claw 13 of the plug 1 comes into contact with the rotation restricting piece 441 of the engagement receiving claw 44 of the base 4 and further rotation movement is restricted. At this time, the plug 1 stops rotating at a position where the projecting piece 14 faces the wall panel that becomes the standing surface W.

(Installation of boot 5)
The pipe fitting is pushed to a position where the boot 5 fits into the outer periphery of the tip of the plug 1 and the stopper contacts the boot fitting stopper 15 of the plug 1. In the pipe fitting, when the plug cap 50 is fitted on the outer periphery of the tip of the plug 1 and rotates in the tightening direction (clockwise), the tightening receiving pawl 502 is engaged with the tightening pawl of the boot mounting stopper 15, and the boot The proximal end portion of 5 is fixed to the distal end portion of the plug 1. At this time, the plug cap 50 stops rotating at a position where the detent piece 503 faces the wall panel when the rotation restricting piece of the tightening receiving claw 502 reaches the engagement end position of the fastening claw of the boot mounting stopper 15. To do. That is, the protruding direction of the detent piece 503 is the same as the protruding direction of the protruding piece 14 of the plug 1. In addition, piping such as a water supply pipe and a hot water supply pipe faces the bathroom from the opening of the tip of the boot 5. In the pipe fitting, the front end portion of the boot 5 is fastened to a binding band 51 made of polyamide synthetic fiber, and becomes watertight with the pipe.

(Attaching the fixed piece 6)
In the pipe fitting, the detent piece 503 of the plug cap 50 and the slide engagement protrusion 140 of the projecting piece 14 of the plug 1 are fitted into the open end of the slide engagement groove 61 of the fixed piece 6 and slide to the closed end. Engage with each other. At this time, the fixed piece 6 is disposed so that the slide engagement groove 61 extends along the direction toward the floor pan. In the pipe fitting, the fixing piece watertight material 60 is sandwiched between the back surface of the fixing piece 6 and the wall panel, and the tapping screw is screwed into the wall panel via the screw hole 62 and fixed.

  The pipe fitting is assembled and attached as described above, and thus has the following effects. The pipe mounting tool facilitates the mounting work of the plug 1. An operator attaches and fixes the base 4 to the attachment surface F through the pipe, attaches a member having the attachment surface F to the bathroom, and then plugs the plug 1 into the plug receiver 41 of the base 4 protruding from the through hole H of the attachment surface F. The water stop operation is completed simply by inserting and fixing the insertion tube portion 11. Therefore, a difficult attachment method such as turning the back of the attachment surface F to fit the plug 1 while supporting the base 4 is not forced. In addition, as a conventional attachment method, there is a method of attaching a floor pan or the like with a pipe, a base, and a plug attached in advance to the bathroom, but this is not preferable because unnecessary force may be applied to the pipe and the pipe may be damaged.

  Moreover, the cost of the pipe fitting can be reduced. Since the base 4 is attached to the reinforcing rib R on the back surface of the mounting surface F, there is no need to separately provide a member for mounting the base 4.

  Moreover, the piping attachment fixture can attach the base 4 to the set attachment position. The operator attaches the base 4 to the set attachment position while visually observing the positioning protrusion 430 and the marking line L of the reinforcing rib R. As a result, since the plug 1 and the base 4 are engaged with each other at a predetermined distance, the tightening adjustment is performed within a set range.

  Further, the pipe fitting can tighten the plug 1 to the base 4 with the set tightening amount. When the protruding portion of the watertight material for floor 2 is elastically deformed and pulled by the base 4 by the rotational movement of the plug 1, the pipe mounting fixture is moved to the lower end when the lower end of the cylindrical portion 31 of the packing guide 3 reaches the mounting surface F. And the tightening of the plug 1 is restricted. As a result, damage to the members including the plug 1, the floor watertight material 2, and the mounting surface F can be prevented.

  In addition, as described above, the pipe fitting has a devised shape and size of the engagement claw 13 of the plug 1 and the engagement receiving claw 44 of the base 4 so that the tightening amount of the plug 1 to the base 4 can be reduced. It is limited to a predetermined tightening amount. As a result, the pipe fitting is tightened by a set tightening amount to prevent damage to the plug 1, the floor watertight material 2, the floor pan, and the like. Further, the pipe fitting is in this state because the rotation movement is restricted by the rotation restricting piece 441 of the engagement receiving claw 44 of the base 4 so that the protruding piece 14 of the plug 1 faces the upright surface W. It is possible to make an operator visually recognize that proper tightening is performed at a certain time.

  In addition, the pipe fitting improves the water tightness of the floor watertight material 2. When the plug 1 rotates, the pipe fitting is pressed and pressed between the flange 10 of the plug 1 and the mounting surface F and elastically deforms so as to swell in the radial direction. In the pipe fitting, the cylindrical portion 31 of the packing guide 3 suppresses the outward swelling of the floor watertight material 2. As a result, the floor watertight material 2 has an elastic deformation force that acts strongly in the direction of the member including the insertion tube portion 11 of the plug 1, the packing guide 3 and the mounting surface F, and fills the gap between them, and the packing guide 3 is flanged. 10 is closely attached. In addition, since the packing guide 3 which covers the floor watertight material 2 functions as a slip washer, it is not twisted by the rotational movement of the plug 1.

  In addition, the pipe fitting makes the gap around the through hole H completely watertight. That is, in the pipe fitting, the floor watertight material 2 serves as the primary watertight means, and the O-ring 20 and the base watertight material 40 serve as the secondary watertight means, and each of the two paths is double watertight. Specifically, the floor watertight material 2 and the O-ring 20 stop the flow of hot water from the mounting surface F toward the inner peripheral surface of the plug receiver 41 of the base 4, and the floor watertight material 2 and the base watertight material 40. Stops the flow of hot water from the mounting surface F toward the outer peripheral surface of the plug receiver 41 of the base 4.

  In addition, the pipe fitting is provided with a plurality of stages of the engaging claws 13 and the engagement receiving claws 44, so that the load applied to the respective engaging claws can be dispersed to avoid damage, and the plug 1 and the base 4 can be reliably attracted. It shall be

  When the slide engagement protrusion 140 is engaged around the open end of the slide engagement groove 61, the pipe fitting has a long protruding portion of the slide engagement protrusion 140 engaged with the fixed piece 6 as described above. The distance between 1 and the fixed piece 6 becomes longer. On the other hand, when engaged around the closed end, the portion with the short overhang dimension of the slide engagement protrusion 140 engages with the fixed piece 6, so the distance between the plug 1 and the fixed piece 6 is shortened. As a result, since the overhanging piece 14 is gradually drawn toward the fixed piece 6, the plug 1 is not damaged due to an excessive load at the time of attachment. Further, when the distance between the plug 1 and the fixed piece 6 is slightly longer than the set distance, the slide engagement protrusion 140 is fixed without reaching the closed end of the engagement groove 61.

  In the pipe mounting device, the overhanging piece 14 of the plug 1 is fixed to the rising surface W through the fixing piece 6, thereby preventing the entire device from swinging and preventing the plug 1 from rotating unexpectedly in the anti-tightening direction. . In addition, the pipe fitting device projects on the standing surface through the fixed piece 8 together with the projecting piece 14 of the plug 1 by projecting the detent piece 503 of the plug cap 50 so as to face the same direction as the projecting piece 14 of the plug 1. It is fixed and prevents the plug cap 50 from rotating in the anti-tightening direction.

  The pipe mounting device is configured so that the load applied to the mounting surface F is not transmitted to the surroundings of the through hole H and the standing surface W. Even when the pipe mounting device is bent when a load is applied to the mounting surface F, the sliding engagement protrusion 140 and the fixed piece 6 slide in the direction toward the mounting surface F, thereby bending the mounting surface F. Absorb. As a result, it is possible to avoid a load that causes the plug 1 to be pulled out of the mounting surface F or the fixed piece 6 to be peeled off from the standing surface W due to the bending of the mounting surface F. In other words, the pipe attachment device can absorb the bending of the attachment surface F because the slide engagement protrusion 140 and the fixed piece 6 slide in the direction in which the attachment surface F is displaced.

  Since the outer peripheral surface of the boot 5 has a bellows shape, the pipe attachment device absorbs the linear expansion of the pipe and reduces the load on the plug 1 and the like.

DESCRIPTION OF SYMBOLS 1 Plug 10 Flange 11 Insertion cylinder part 13 Engagement claw 130 Engagement surface 14 Overhang piece 15 Boot attachment stopper 2 Floor watertight material 3 Packing guide 4 Base 41 Plug receptacle 43 Rib attachment piece 430 Positioning protrusion 5 Boot 50 Plug cap 503 Return Stop piece 6 Fixed piece 61 Slide engagement groove

Claims (6)

The base end portion of the substantially cylindrical main body is inserted into a through-hole formed in the mounting surface in the bathroom, fastened to the mounting member, and the flange and the mounting member provided around the outer peripheral surface of the main body pass through the through-hole. The hole periphery is clamped from the front and back, and the elastically deformable watertight material stops water around the through hole by the clamping, and the main body is watertight so that pipes such as a water supply pipe and a hot water supply pipe pass through the through hole. In the bathroom plumbing fixtures to guide to
The base end portion and the attachment member include an engagement surface that engages in the tightening direction,
The engagement surface is formed to restrict tightening exceeding a predetermined tightening amount ,
A cap member that includes a top plate that receives pressure from the flange and a cylindrical portion that hangs down from an outer edge of the top plate, and that covers the water-tight material so that a part of the water-tight material protrudes from the cylindrical portion. pipe fitting bathroom, characterized in that it comprises. The bathroom attachment device according to claim 1, wherein the attachment member includes attachment means for fixing the attachment member to the attachment surface . The bathroom attachment device according to claim 2, wherein the attachment member further includes positioning means for aligning with the attachment surface . The apparatus further comprises an anti-sway portion fixed to an upright surface that protrudes from the outer peripheral surface on the tip side of the flange and rises from the mounting surface so as to be movable in a direction in which the mounting surface is displaced. The pipe fitting for bathrooms according to any one of claims 1 to 3 . The base end portion and the mounting member further include rotation restricting means for restricting the anti-sway portion to stop at a position where the anti-sway portion protrudes toward the upright surface in a state where the tightening is a predetermined tightening amount. The plumbing fixture for a bathroom according to claim 4 . A substantially cylindrical other member fitted around the tip of the main body;
A fastening member that fastens the other member to the tip of the main body by rotation in the fastening direction;
With
The clamping member may, bathroom plumbing fixture according to claim 4 or 5, characterized in that e Bei detent portion which is fixed to the front upright surface with the snubber section.

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