JP5817579B2 - Drain trap mounting jig and mounting method - Google Patents

Description

  The present invention relates to a jig used when a drain trap is attached to a waterproof pan such as a unit bath, and a drain trap mounting method using the jig.

  When installing a drain trap under the waterproof pan that constitutes the floor of the unit room such as a unit bathroom and connecting the drain trap to the housing side drain pipe, after installing the waterproof pan with the drain trap attached In many cases, the drainage trap and the housing-side drainage pipe are connected through a work port (inspection port) provided in the waterproof pan. After the work is completed, close the work port (inspection port) with a lid.

  In such a conventional construction method, a large inspection port is required for the waterproof pan. As a method for attaching a waterproof pan without such an inspection port, Patent Document 1 discloses a jig that can be temporarily fixed to the drain of the waterproof pan and can be temporarily released by inserting a hand from the upper side of the drain. A method for mounting a drain trap using a slab is described.

  In Patent Document 1, a drain trap is held by a jig, and the jig is temporarily fixed to a drain outlet of a waterproof pan in an upright state. After the waterproof pan is laid down on the chassis floor, a hand is inserted from the drain port to release the temporary fixing, and then the waterproof pan is erected. The drain trap and the jig holding it are left on the frame floor. The drain trap on the chassis floor is connected to the chassis drain pipe by piping. After that, the waterproof pan is laid again on the cabinet floor, its drain outlet is aligned with the drain trap, the fastening flange is screwed into the female thread of the drain trap through the drain port from above the waterproof pan, and the drain trap is fastened to the waterproof pan. .

JP 2004-353403 A

  In the said patent document 1, it is necessary to carry out the fall and standing of a waterproof pan twice, and work takes time. In addition, when the waterproof pan is laid down for the second time, the position of the waterproof pan is shifted from that at the time of the first fall, and the waterproof pan drain port and the drain trap may be misaligned.

  An object of the present invention is to provide a drain trap mounting jig capable of easily mounting a drain trap without causing such a problem, and a drain trap mounting method using the jig.

  A drain trap mounting jig according to the present invention includes a guide bracket that is attached to a frame for supporting a waterproof pan and a drain trap mounting jig that is detachably installed on the guide bracket. The guide bracket is provided with a drain trap support part for supporting a drain trap, and the dummy body has a size straddling the drain trap support part, and the dummy body Is provided with an opening having the same diameter as the drain of the waterproof pan, and the opening is provided when the waterproof pan is installed on the frame in a state where the dummy body is installed on the guide bracket. It is arrange | positioned in the same position and height as this waterproofing pan drain outlet.

  An annular wall may be provided around the upper surface of the opening of the dummy body.

  The dummy body is provided with a guide rod extending downward, the guide bracket is provided with a guide hole through which the guide rod is inserted, and the guide rod is inserted into the guide hole from above. Thus, the dummy body may be configured to be installed on the guide bracket.

  The drain trap mounting method of the present invention is a method of mounting a drain trap to a waterproof pan using the drain trap mounting jig of the present invention, wherein a frame supporting the waterproof pan is installed on the frame floor, and the level is set. Attaching the guide bracket to the frame, supporting a drain trap on the guide bracket attached to the frame, and then installing the dummy body on the guide bracket; A step of tightening the male screw portion of the tightening flange through the opening into the female screw of the drain trap, a step of connecting the drain trap and the housing drain pipe with a pipe, and then removing the tightening flange, A step of removing, and then installing a waterproof pan on the frame, and through the drain of the waterproof pan, the male screw of the fastening flange The and a step of fastening the female screw of the drain trap.

  In a state where the dummy body is installed on the guide bracket, it is preferable that the position and height of the opening of the dummy body match the position and height of the drain of a waterproof pan that will be installed later on the frame. .

  In order to attach the drain trap using the jig of the present invention, the frame is first placed on the frame floor and leveled. Next, a guide bracket is attached to a specified position of the frame. Note that the guide bracket may be attached to the frame in advance, and the frame with the guide bracket may be installed on the frame floor and leveled.

  The drain trap is temporarily locked with the guide bracket and the dummy body is placed on the guide bracket so as to straddle the drain trap.

  The dummy body is provided with a guide rod extending downward, the guide bracket is provided with a guide hole through which the guide rod is inserted, and the dummy body is inserted into the guide hole from above. By configuring so as to be installed on the guide bracket, the installation work of the dummy body on the guide bracket can be facilitated. Moreover, since the guide rod is inserted into the guide hole, the horizontal displacement of the dummy body installed on the guide bracket is also prevented. Since the guide rod is only inserted from above into the guide hole, the installation height of the dummy body can be easily adjusted as necessary.

  The dummy body is provided with an opening into which the fastening flange is inserted from above. This opening has the same diameter as the drain of a waterproof pan that is installed later on the frame. In addition, in the state where the dummy body is placed on the guide bracket, the position and height of the waterproof pan drain outlet and the position and height of the opening coincide with each other.

  The fastening flange is screwed into the female thread on the inner peripheral surface of the drain trap through the opening of the dummy body. Thereby, the drain trap is pulled up by the clamping flange. The fastening flange may be attached by snap-fit or screw fixing.

  When the tightening flange is sufficiently tightened, the drain trap is fastened to the dummy body and integrated with the dummy body, and the dummy body is placed on the guide bracket. In this state, the drain trap is located at the same position and level as the final installation position and level connected to the drain of the waterproof pan.

  Next, the outlet of this drain trap and the housing drain pipe are connected by piping. In this state, water may be injected into the drain trap to check the drainage status. If an annular wall is provided at the receiving port, water can be filled into the annular wall.

  Thereafter, the fastening flange is removed, and the dummy body is removed. When the clamping flange is removed, the drain trap descends onto the guide bracket.

  Next, a waterproof pan is placed on the frame. Since the drain outlet of the waterproof pan and the inlet of the drain trap are coaxial, the fastening flange is screwed into the female screw on the inner peripheral surface of the drain trap inlet through the waterproof pan drain. As a result, the drain trap is pulled upward, the peripheral edge portion of the waterproof pan drain opening is sandwiched between the flange portion of the tightening flange and the upper edge of the drain trap inlet, and the drain trap is fixed to the waterproof pan. Since the drain pipe is already connected to the drain trap, the drain trap installation is completed.

  The height of the drainage trap when the male screw portion of the tightening flange is tightened to the female screw of the drainage trap through the opening of the dummy body, and the male screw portion of the tightening flange through the drainage port of the waterproof pan. By making the height at which the drain trap is pulled up when tightened to the female screw of the drain trap, it is possible to prevent the residual stress from being generated in the drain pipe or the like.

It is a perspective view of a frame. It is a perspective view of the flame | frame which attached the guide bracket. It is a perspective view of a frame in the state where a drain trap was locked to a guide bracket. It is a perspective view of a frame in the state where a dummy body was placed on a guide bracket and a tightening flange was tightened. It is a perspective view when a waterproof pan is installed on the frame. It is a perspective view which shows a guide bracket and a dummy body. It is the VII-VII sectional view taken on the line of FIG. It is sectional drawing which shows the drain trap fastening method to a dummy body. It is sectional drawing which shows the drain trap fastening method to a waterproof pan. It is a top view of a drain trap. It is a side view of a drain trap. It is a longitudinal cross-sectional view of the main-body part of a drain trap.

  Hereinafter, embodiments will be described with reference to the drawings.

[Outline of jig and mounting method]
In this embodiment, the jig of the present invention has a guide bracket 2 and a dummy body 4 placed on the guide bracket 2. The guide bracket 2 is attached to the frame 1 for supporting the waterproof pan 6. The installation position of the guide bracket 2 is a position below the drain port 15 of the waterproof pan 6. The guide bracket 2 is for temporarily holding the drain trap 3. The drain trap 3 locked to the guide bracket 2 is connected to the dummy body 4 so that the drain trap 3 is held at the final installation position and level connected to the drain port 15 of the waterproof pan 6. In this state, pipe connection work is performed on the drain trap 3. Thereafter, the drain trap 3 is separated from the dummy body 4, placed on the guide bracket 2, and the dummy body 4 is removed. Thereafter, the waterproof pan 6 is installed on the frame 1, and the drain trap 3 is connected to the drain port 15 of the waterproof pan 6.

[Detailed Description of Embodiment]
In this embodiment, as shown in FIG. 1, the frame 1 is placed on the frame floor and leveled, and then, as shown in FIG. 2, a guide bracket 2 is attached to the frame 1 as shown in FIG. 3, the dummy body 4 is placed on the guide bracket 2 so as to straddle the drain trap 3 as shown in FIG. 3 is connected and fixed to the dummy body 4. Note that the guide bracket 2 may be attached to the frame 1 before the frame 1 is installed on the frame floor. The guide bracket 2 and the dummy body 4 constitute a drain trap mounting jig.

  Then, after connecting the drain pipe 7 (FIG. 4) to the drain trap 3, the fastening flange 5 is removed, the dummy body 4 is removed, and then the waterproof pan 6 is installed on the frame 1 as shown in FIG. Then, the fastening flange 5 is screwed into the washing ground drain receiving port 30 of the drain trap 3 through the drain port 15 (FIG. 9B) of the waterproof pan 6, and the waterproof pan 6 and the drain trap 3 are connected and fixed.

  In this embodiment, as shown in FIG. 1, the frame 1 has an installation portion 1a for the washing place waterproof pan 6 and an installation portion 1b for the bathtub waterproof pan (not shown). The washing place waterproof pan installation portion 1 a has a rectangular shape having a long side angle 8 and a short side angle 9. The frame 1 is provided with leg bolts 11 that can be screwed up and down.

  In order to attach the guide bracket 2 to the side surface of the long side angle 8 on the side of the waterproof pan installation portion 1b for the bathtub (the side surface facing the frame inside of the frame-shaped installation portion 1a) of the washing pan waterproof pan installation portion 1a of the frame 1 The small hole 12 (FIG. 1) is provided. The positions of the small holes 12 are such that when the dummy body 4 is engaged with the guide bracket 2 attached to the frame 1, the circular opening 14 (FIG. 6, etc.) of the dummy body 4 drains the waterproof pan 6. It is set to be coaxial with the mouth 15 (FIG. 9B, etc.).

  As clearly shown in FIG. 6, the guide bracket 2 includes a horizontal plate portion 16, an upright plate portion 17 rising from one side of the horizontal plate portion 16, and a reinforcing plate portion 18 rising from both sides of the horizontal plate portion 16. , A drain trap engaging port 19 as a drain trap support provided in a cutout shape in the horizontal plate portion 16, a guide hole 20 provided in the horizontal plate portion 16, and a screw provided in the upright plate portion 17. And a hole 21. The distance between the screw holes 21 matches the distance between the small holes 12.

  The drain trap engaging port 19 has a shape cut from a side of the horizontal plate portion 16 opposite to the upright plate portion 17. The horizontal plate portion 16 has a substantially U-shaped plan view shape having two arm-like portions extending along both sides of the drain trap engaging port 19. On the inlet side of the drain trap engaging port 19 (that is, the front end side of the two arm-shaped portions), an approach piece portion 19a protruding in the approach direction is provided. The access piece 19a is for preventing the drain trap 3 engaged with the drain trap engaging port 19 from dropping off from the arm-like portion forward. The guide holes 20 are provided in the vicinity of the four corner portions of the horizontal plate portion 16.

  The dummy body 4 includes an annular wall 23 as an annular wall, a horizontal main plate portion 24 projecting from the annular wall 23, a guide rod 25 projecting downward from four corner portions of the main plate portion 24, and the like. Have.

  The annular wall 23 has a short cylindrical shape with the cylindrical axis direction as the vertical direction. As shown in FIG. 7, a flange portion 26 that extends in the centripetal direction is provided from the inner peripheral surface of the lower end of the annular wall 23, and a lip packing 27 is attached to the flange portion 26. The inside of the annular wall 23 is the circular opening 14. The circular opening 14 has the same diameter as the drainage port 15 of the waterproof pan 6. Further, in a state where the dummy body 4 is placed on the guide bracket 2, the position (horizontal position) and height (level) of the circular opening 14 are set to the drain port 15 of the waterproof pan 6 which is installed on the frame 1 later. It matches the position and height.

  From the outer peripheral edge of the main plate part 24, a skirt part 28 is suspended downward. The height h (FIG. 7) of the skirt portion 28 matches the height h of FIG.

  As shown in FIGS. 10 to 12, a washing place drainage receiving port 30 into which drainage from the washing place flows is provided on the upper surface of the drain trap 3 in the longitudinal center. As shown in FIG. 12, a female screw is engraved on the inner peripheral surface of the washing ground drain outlet 30, and the male screw portion 5b (FIGS. 8 and 9C) of the fastening flange 5 can be screwed. . A top flange portion 32 is provided on the outer periphery of the washing ground drainage receiving port 30. A bathtub drainage inlet 33 into which drainage from the bathtub flows is provided on the upper surface of one end in the longitudinal direction of the drain trap 3. The bathtub drainage flows into the main body portion 36 through the duct portion 35.

  A drain trap outlet 37 is provided on the other end side of the drain trap 3. The drain pipe 7 (FIG. 4) is connected to the drain trap outlet 37.

  A cylindrical receiving chamber is provided in the main body 36 of the drain trap 3 below the washing ground drain receiving port 30. Washroom drainage flows into the receiving chamber through the hair catcher 38. In this receiving chamber, a part of the bathtub drainage from the duct portion 35 is introduced in a tangential direction via the upper branch flow path 40a (FIGS. 11 and 12), and a swirling flow is formed in the receiving chamber. The outlet 37 is configured to flow out. The remainder of the bathtub drainage flows out to the outlet 37 through the lower branch channel 40b, the bypass channel 40 that bypasses the receiving chamber, the rising channel 40c, and the junction 40d.

  A method of installing the waterproof pan 6 after installing the frame 1 and attaching the drain trap 3 to the waterproof pan 6 will be described in detail below.

  The frame 1 is carried into the unit bathroom construction area, placed on the frame floor, positioned, adjusted with the foot bolts 11 and leveled. Next, as shown in FIG. 2, the guide bracket 2 is fixed to the frame 1 with screws 50. The screw 50 is screwed into the small hole 12 through the screw hole 21 (FIG. 6). As a result, as shown in FIG. 1, both the horizontal X direction and the vertical direction (Z direction) along the long-side angle member 8 and the horizontal Y direction orthogonal to the long-side angle member 8 are the specified positions with respect to the frame 1. Thus, the guide bracket 2 is fixed to the frame 1.

  Next, as shown in FIGS. 3 and 8A, the drain trap 3 is inserted into the drain trap locking port 19 of the guide bracket 2, and the top flange portion 32 is connected to the horizontal plate portion around the drain trap locking port 19. The drain trap 3 is engaged with the guide bracket 2 so as to engage with the guide bracket 16 from above. At this stage, the clamping flange 5 has not yet been screwed onto the drain trap 3. 8A is a cross-sectional view taken along line VIIIa-VIIIa in FIG. 8 (a) and 8 (b), there is some play between the inner peripheral surface of the drain trap engaging port 19 and the outer peripheral surface of the drain trap 3, and the drain trap 3 is in the X and Y directions. It is slightly movable.

  Next, as shown in FIG. 8 (b), the dummy body 4 is arranged so as to straddle the washing ground drainage inlet 30 of the drain trap 3, and the four guide rods 25 are respectively inserted into the guide holes 20 of the guide bracket 2. The dummy body 4 is placed on the guide bracket 2 so that the skirt portion 28 comes into contact with the upper surface of the horizontal plate portion 16. The dummy body 4 is positioned in the XY direction by inserting each guide rod 25 into each guide hole 20, and is positioned in the Z direction when the skirt portion 28 abuts the upper surface of the horizontal plate portion 16. It will be in the state. In addition, you may adjust the installation height of the dummy body 4 as needed.

  Next, the male screw portion 5 b of the fastening flange 5 is fastened to the female screw on the inner peripheral surface of the receiving port 30 of the drain trap 3 through the circular opening 14 of the dummy body 4. As the tightening flange 5 is rotated, the drain trap 3 is pulled up, and finally the lip packing 27 between the flange portion 5a of the tightening flange 5 and the top flange portion 32 as shown in FIGS. It will be in the state which tightened the collar part 26 from the upper and lower sides via. FIG. 8C is a sectional view taken along line VIIIc-VIIIc in FIG. The position and height of the drain trap 3 in this state match the position and height in a state where the drain trap 3 is attached to the drain port 15 of the waterproof pan 6 installed in the frame 1.

  Therefore, the drain pipe 7 (FIG. 4) is routed so as to be connected to both the outlet 37 of the drain trap 3 and the housing side drain pipe. After the drainage pipe 7 is thus routed, water may be poured into the drainage trap 3 through the circular opening 14 of the dummy body 4 to check whether drainage is performed without delay. In this embodiment, since the dummy body 4 is provided with the annular wall 23, water can be filled into the annular wall 23.

  After performing this water flow test as necessary, the fastening flange 5 is loosened and removed, and the dummy body 4 is removed. As a result, the top flange portion 32 of the drain trap 3 is again placed on the horizontal plate portion 16 of the guide bracket 2 as shown in FIG.

  Next, as shown in FIGS. 5 and 9B, the waterproof pan 6 is placed on the washing place frame 1 a of the frame 1. The drainage port 15 of the waterproof pan 6 occupies the same coaxial position as the washing ground drainage receiving port 30 of the drainage trap 3. Therefore, as shown in FIG. 9C, the male screw part 5 b of the fastening flange 5 is fastened from above the waterproof pan 6 to the female screw on the inner peripheral surface of the washing ground drainage inlet 30 of the drain trap 3 through the drainage port 15. Accordingly, the drain trap 3 is pulled up again, and the edge of the drain port 15 is strongly sandwiched between the top flange portion 32 and the flange portion 5a of the tightening flange 5 via the lip packing 42, as shown in FIGS. 9 (c), the drain trap 3 is connected and fixed to the waterproof pan 6. Thereafter, the bathtub pan is installed on the bathtub waterproof pan installation portion 1 b, and the bathtub drain outlet is connected to the bathtub drain inlet 33.

  Thus, according to this embodiment, piping connection between the drain trap 3 and the housing side drain pipe can be performed without providing an inspection port in the waterproof pan 6. According to this embodiment, the work for installing the waterproof pan 6 on the frame 1 while being laid down is sufficient.

  The above-described embodiment is an example of the present invention, and the present invention may be configured other than illustrated.

DESCRIPTION OF SYMBOLS 1 Frame 2 Guide bracket 3 Drain trap 4 Dummy body 5 Clamping flange 5a Flange part 5b Male screw part 6 Waterproof pan 7 Drain pipe 11 Foot bolt 14 Circular opening 15 Drain port 19 Drain trap locking port (drain trap support part)
20 Guide hole 23 Circular wall 25 Guide rod 26 Gutter part 30 Washing area drainage inlet 32 Top flange part 40 Screw

Claims (5)

A guide bracket attached to the frame for supporting the waterproof pan;
A drainage trap mounting jig comprising a dummy body detachably mounted on the guide bracket,
The guide bracket is provided with a drain trap support for supporting the drain trap,
The dummy body has a size straddling the drain trap support,
The dummy body is provided with an opening having the same diameter as the drain of the waterproof pan,
The opening is disposed at the same position and height as the waterproof pan drain when the waterproof pan is installed on the frame in a state where the dummy body is installed on the guide bracket. Drain trap mounting jig.   2. The drain trap mounting jig according to claim 1, wherein an annular wall is provided around the upper surface of the opening of the dummy body. In Claim 1 or 2, the dummy body is provided with a guide rod extending downward,
The guide bracket is provided with a guide hole through which the guide rod is inserted,
A drainage trap mounting jig, wherein the dummy body is installed on the guide bracket so that the guide rod is inserted into the guide hole from above. A method for attaching a drainage trap to a waterproof pan using the drainage trap attachment jig according to any one of claims 1 to 3,
Installing a frame that supports the waterproof pan on the cabinet floor and leveling;
Attaching the guide bracket to the frame;
Supporting a drain trap with respect to a guide bracket attached to the frame, and then installing the dummy body on the guide bracket;
Tightening the male screw portion of the tightening flange into the female screw of the drain trap through the opening of the dummy body;
Next, a step of connecting the drain trap and the housing drain pipe by piping;
Next, removing the clamping flange and removing the dummy body,
Next, a method for attaching a drain trap, comprising: installing a waterproof pan on the frame, and tightening the male screw portion of the fastening flange to the female screw of the drain trap through the drain port of the waterproof pan.   5. The position and height of the opening of the dummy body in the state in which the dummy body is installed on the guide bracket according to claim 4, wherein the position and height of the drain of a waterproof pan to be installed on the frame later. A drainage trap mounting method characterized by conformity.

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