JP5969918B2 - Installation method of bathroom unit and building unit for bathroom - Google Patents

Description

  The present invention relates to an installation method for installing a bathroom unit on a building unit, and a building unit for a bathroom.

  In a unit-type building, a technique of installing a bathroom unit (so-called unit bath) for any of a plurality of building units has been put into practical use (see, for example, Patent Document 1). In this case, a unit base (or waterproof pan), which is a lower structure of the bathroom unit, is assembled to the floor beam in the floor structure portion of the building unit, and the bathroom unit is integrated into the building unit by the assembly. Yes.

  In addition, as a support structure for the bathroom unit, a plurality of bolt legs extending downward are provided on the unit base, while a receiving metal fitting on which the plurality of bolt legs are placed is provided on the building unit side. A technique has been proposed in which the bathroom unit is supported by placing a bolt leg on the metal fitting. Further, when installing the bathroom unit, height level adjustment (horizontal adjustment) is required. Therefore, a length adjustment function is added to the bolt legs, and the level is adjusted by adjusting the length of the bolt legs at the time of installation at the construction site, and then the bolt legs are fixed to the metal fittings with adhesive etc. Yes.

JP 2010-159610 A

  By the way, in order to increase the efficiency of building construction work, it is conceivable that a bathroom unit is assembled to a building unit at a building unit manufacturing factory and the building unit is transported to the building construction site in the assembled state. However, as described above, in the configuration in which the bathroom unit is supported by placing the bolt leg on the receiving bracket on the building unit side, there is a concern that the position of the bolt leg may be shifted when the building unit is transported.

  In order to prevent the displacement of the bolt legs, it is conceivable to fix the bolt legs to the metal fittings with an adhesive or the like when the bathroom unit is assembled to the building unit, that is, before the building unit is transported. However, in such a case, there is a concern about the inconvenience that it becomes difficult to adjust the height level of the bathroom unit after the building unit is installed at the building construction site.

  This invention is made | formed in view of the said situation, and it aims at providing the installation unit of the bathroom unit which can implement | achieve suitable installation of a bathroom unit, and the building unit for bathrooms. is there.

  Hereinafter, means and the like effective for solving the above-described problems will be described while showing functions and effects as necessary. In the following, for ease of understanding, the reference numerals of the corresponding components in the embodiments of the invention are appropriately shown in parentheses, but are not limited to the specific configurations shown in parentheses.

  1st invention is the installation method of the bathroom unit which installs a bathroom unit (20) with respect to a building unit (10), Comprising: The said leg which extends below to the bathroom unit, and has a length adjustment function A member (25) is provided, and a plurality of support members (15) for supporting the leg members in a mounted state are attached to the floor beams (12, 14) of the building unit. Before transporting, the leg member of the bathroom unit is placed on the upper surface of the support member, so that the process of assembling the bathroom unit to the building unit, and before transport to the building construction site, A step of temporarily fixing the leg member on the upper surface using a temporary fixing tool (50), a step of adjusting the level of the unit height by adjusting the length of the leg member after transport to the building construction site, and After, at the mounting position of the leg member on the upper surface of the support member, characterized by having a the steps of the present fixing the leg members relative to the support member.

  When the building unit is transported with the bathroom unit installed, the bathroom unit is not permanently fixed at the time of transportation. The reason for not being fixed is that the height of the bathroom unit is adjusted using the leg members after the building unit is installed at the building construction site. Therefore, there is a concern about the positional deviation of the bathroom unit when transporting the building unit. However, according to the configuration of the present invention, the building unit is transported in a state where the leg member is temporarily fixed by the temporary fixing tool. Misalignment can be suppressed. In addition, fixing the leg members before transporting to the building construction site is limited to “temporary fixing” using temporary fixtures. Therefore, after transporting the unit to the building construction site, the height level of the bathroom unit is adjusted. It is possible to do. As a result, a suitable installation of the bathroom unit can be realized.

  In the bathroom unit installation method according to a second aspect of the present invention, the support member has a placement part (32) for placing the leg member and an engagement part (45) engageable with the temporary fixing tool. And having the step of attaching the temporary fixing tool at a position where it can be engaged with the engagement portion on the placement portion before transporting to the building construction site. And

  The support member has a mounting portion and an engaging portion, and the engaging portion of the mounting portion and the temporary fixing tool can be engaged by attaching the temporary fixing tool on the mounting portion of the supporting member. It has become. In this case, the leg member can be temporarily fixed by a simple operation such as attaching the temporary fixing tool.

  According to a third aspect of the present invention, there is provided a bathroom unit installation method in which the support members are respectively attached to a pair of floor beams (12, 14) facing each other in the building unit, and spanning the pair of floor beams. An installation method for installing the bathroom unit, wherein the legs in the separating direction of the pair of floor beams with respect to the support members attached to the pair of floor beams before transport to the building construction site. The temporary fixing tool is arranged at a position on each inner side of the member or a position on each outer side of the leg member.

  In the configuration in which the support members are attached to the pair of floor beams facing each other in the building unit, the inward movement in the beam separation direction is restricted for each leg member placed on each of the support members, If movement to the outside is restricted, it is possible to suppress the displacement of the bathroom unit. In this regard, according to the above-described configuration, the temporary fixing tool is disposed at a position inside each leg member or a position outside each leg member in the beam separation direction. Movement to the inside or outside in the separation direction is restricted, and the positional deviation of the bathroom unit can be suitably suppressed. In this case, since it is not necessary to restrict the movement of the individual leg members to both the inner and outer sides in the beam separation direction, the structure of the temporary fixture can be simplified.

  The installation method of the bathroom unit of 4th invention has the process of removing the said temporary fixing tool before the level adjustment of the said unit height after conveyance to the said building construction site, It is characterized by the above-mentioned.

  After the transportation to the building construction site, the temporary fixing tool is removed before the level adjustment of the unit height, so that the temporary fixing tool can be prevented from being obstructed during the level adjustment work. In addition, the temporary fixing tool can be used as a jig.

  According to a fifth aspect of the present invention, there is provided a bathroom unit installation method, wherein the support member is a vertical plate portion (31) fixed to a side surface portion of the floor beam, and the vertical plate portion is orthogonal to the longitudinal direction of the floor beam. A horizontal plate portion (32) extending in the direction of the horizontal plate, the horizontal plate portion serving as the mounting portion, and protruding upward at an end portion of the horizontal plate portion opposite to the vertical plate portion. The projecting portion (45) is provided as the engaging portion, and an insertion portion (SW) that allows insertion of a tool (W) used for adjusting the length of the leg member is provided. And

  Since the protrusion is provided at the end opposite to the vertical plate in the horizontal plate of the support member, the protrusion can favorably suppress the leg member from sliding off from the tip of the horizontal plate. In addition, it is assumed that a tool such as a wrench is used when adjusting the length of the leg member. In this respect, since the insertion portion for inserting the tool is provided at the end of the horizontal plate portion opposite to the vertical plate portion, the configuration is convenient for performing the length adjustment work.

  According to a sixth aspect of the present invention, there is provided a bathroom unit installation method in which a plurality of temporary fixing tools having different lengths between the leg members and the engaging portions are prepared as the temporary fixing tools. When the temporary fixing tool is attached on the placement portion, any one of the plurality of temporary fixing tools is selected and the attachment is performed.

  It is considered that the placement positions of the leg members on the placement portion of the support member are not the same for all the leg members, and include those with different placement positions. In this regard, a plurality of temporary fixing tools having different lengths between the leg member and the engaging portion are prepared, and these are selectively used, so the mounting positions of the leg members are different. Even if things are included, it is possible to take appropriate measures each time. In this case, it is possible to suppress rattling as much as possible with the temporary fixture attached.

  A building unit for a bathroom according to a seventh aspect of the invention is a building unit for a bathroom (10) in which the bathroom unit (20) is installed in an integrated manner, and extends downward from the bathroom unit to adjust the length. A plurality of leg members (25) having a function are provided, and a plurality of support members (15) for supporting the leg members in a mounted state are attached to the floor beams (12, 14) constituting the floor structure portion. In order to temporarily fix the leg member before adjusting the unit height level by adjusting the length of the leg member in a state where the leg member of the bathroom unit is placed on the upper surface of the support member The temporary fixing member (50) is provided.

  In the above configuration, the leg member is temporarily fixed by the temporary fixing member before the level of the unit height is adjusted by adjusting the length of the leg member while the leg member of the bathroom unit is placed on the upper surface of the support member. Is done. By this temporary fixing, the position shift of the bathroom unit can be suppressed when there is a possibility of the position shift of the bathroom unit before the level adjustment of the unit height in the building unit. For example, it is possible to suppress the displacement of the bathroom unit during transportation of the building unit. In addition, the temporary fixing member does not “main-fix” the leg member before the unit height level adjustment, but “temporarily fix”, so the bathroom unit height level adjustment after transportation to the building construction site It is possible to do. As a result, a suitable installation of the bathroom unit can be realized.

  In a building unit for a bathroom according to an eighth aspect of the invention, the support member has a placement portion (32) for placing the leg member, and an engagement portion (45) engageable with the temporary fixing member. The temporary fixing member is attached to a position where it can be engaged with the engaging portion on the placement portion.

  In the above configuration, the support member has the placement portion and the engagement portion, and the temporary fixing member is attached to the position where the support member can be engaged with the engagement portion on the placement portion. In this case, the leg member can be temporarily fixed by a simple operation such as attaching the temporary fixing member.

  In a building unit for a bathroom according to a ninth aspect, the support member is attached to a pair of floor beams facing each other in the building unit, and the bathroom unit is installed so as to span the pair of floor beams. The temporary fixing member is a position that is inside each of the leg members in the separating direction of the pair of floor beams, with respect to the support member attached to each of the pair of floor beams, Or it is arrange | positioned in the position which becomes each outer side of the said leg member, It is characterized by the above-mentioned.

  In the configuration in which the support members are attached to the pair of floor beams facing each other in the building unit, the inward movement in the beam separation direction is restricted for each leg member placed on each of the support members, If movement to the outside is restricted, it is possible to suppress the displacement of the bathroom unit. In this regard, according to the above configuration, the temporary fixing members are arranged at positions inside the leg members or at positions outside the leg members in the beam separation direction. Movement to the inside or outside in the separation direction is restricted, and the positional deviation of the bathroom unit can be suitably suppressed. In this case, since it is not necessary to restrict the movement of the individual leg members to both the inner and outer sides in the beam separation direction, it is possible to simplify the configuration of the temporary fixing member.

  In the configuration in which the temporary fixing members are arranged at positions on the inner sides of the leg members in the beam separation direction, there is a concern that the temporary fixing member may become an obstacle during the level adjustment work due to the presence of the temporary fixing members. . In this respect, it is preferable that the temporary fixing member can be detached from the support member, and by removing the temporary fixing member, it is possible to suppress the temporary fixing tool from interfering during the level adjustment operation.

The top view which shows the structure of the floor structure part of a building unit. Schematic which shows the state by which the bathroom unit was installed in the building unit. The exploded perspective view of the floor structure part of a building unit, and a unit mount. The figure which shows the structure of a receiving metal fitting. The figure which shows the state which installed the unit mount on the receiving metal fitting. The perspective view which shows a receiving metal fitting, a bolt leg, and a temporary fixing plate. The figure which shows the state which fixed the base of the bolt leg this time. The figure which shows the modification of a temporary fixing tool. The figure which shows the modification of a temporary fixing tool.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, an embodiment of the invention will be described with reference to the drawings. In this embodiment, it is set as the structure by which a bathroom unit is installed in any building unit in the unit type building constructed | assembled combining a some building unit. Since the structure of the building unit and the unit-type building is well known, explanation by illustration is omitted, but it will be explained briefly. The building unit has pillars at four corners, a ceiling beam that connects the upper ends of the columns, and a floor beam that connects the lower ends of the columns, and is formed in a rectangular parallelepiped shape as a whole. After the building unit is manufactured at the unit manufacturing factory, it is transported to the building construction site by a transporting means such as a truck. Then, the building unit is installed at the building construction site by using an installation means such as a crane, and the columns of the adjacent building units are connected to each other by a connecting member (docking plate or the like) to construct an integrated building body. It is like that.

  FIG. 1 is a plan view illustrating a configuration of a floor structure portion of a building unit (a building unit for a bathroom) to be installed as a bathroom unit, and FIG. 2 is a schematic diagram illustrating a state in which the bathroom unit is installed in the building unit. FIG. FIG. 3 is an exploded perspective view of the floor structure portion of the building unit and the unit mount.

  In the building unit 10 shown in FIG. 1, the floor structure section has columns 11 arranged at the four corners of the building unit 10, and the floor beams 12 are connected in two directions perpendicular to the columns 11. Has been. The column 11 is made of square steel having a square cylindrical shape. Further, the floor girder 12 is made of channel steel having a U-shaped cross section, and is installed so that the opening faces each other, that is, the groove is directed to the inside of the unit.

  In the floor structure portion, a bathroom space S1 in which a bathroom unit is incorporated and a dressing room space S2 provided adjacent to the bathroom space S1 are defined as illustrated. In a part corresponding to the dressing room space S <b> 2, a plurality of floor beams 13 are provided in a state of being bridged between a pair of floor beams 12 on the long side of each floor beam 12. The floor beam 13 is a floor beam made of, for example, square tubular square steel.

  In addition, a receiving beam 14 is provided at a portion corresponding to the bathroom space S <b> 1 so as to be bridged between the floor large beam 12 and the floor beam 13 on the short side. The receiving small beam 14 is a floor beam made of, for example, square tubular square steel. In this case, in the bathroom space S <b> 1, the long side floor large beam 12 and the receiving small beam 14 face each other, and a plurality of receiving metal fittings 15 are attached to the floor large beam 12 and the receiving small beam 14, respectively.

  And as shown in FIG. 2, the bathroom unit 20 is installed in the state supported by the receiving metal fitting 15. As shown in FIG. The bathroom unit 20 includes a unit base 21 supported by the receiving bracket 15, a bathtub 22 installed on the unit base 21, and a wall panel 23 and a ceiling panel 24 that form a bathroom space SB. . The unit base 21 corresponds to a lower structure of the bathroom unit 20, and the unit base 21 supports a washing floor material and the like in addition to the bathtub 22 described above.

  The unit mount 21 has a plurality of bolt legs 25 as leg members extending downward, and the bolt legs 25 are placed on the respective metal fittings 15 so that the building unit 10 has a bathroom. The unit 20 is installed. In this case, the bathroom unit 20 is installed over a pair of floor beams (floor beam 12 and receiving beam 14). The bolt leg 25 is a height adjustment function for holding the bathroom unit 20 at a predetermined height with respect to the floor structure of the building unit 10 and a level adjustment for adjusting the level (horizontal adjustment) of the height of the bathroom unit 20. Function (length adjustment function).

  As shown in FIG. 3, the unit base 21 is configured by connecting a plurality of frame members (elongated square members) in directions orthogonal to each other, and has an upper step portion 27 and a lower step portion 28. . The upper step portion 27 corresponds to a portion on the washing room side in the bathroom, and the lower step portion 28 corresponds to a portion on the bathtub side. A plurality of bolt legs 25 extending downward are attached to the frame members in the upper step portion 27 and the lower step portion 28. In the present embodiment, four bolt legs 25 are provided on the upper step portion 27, and two bolt legs 25 are provided on the lower step portion 28. Since the upper step portion 27 and the lower step portion 28 are provided in steps in the vertical direction, the lengths of the bolt legs 25 of the respective portions 27 and 28 are different from each other. “Leg length on the upper step portion 27 side> The leg length on the lower step 28 side ”.

  Below the unit base 21, an underfloor heat insulating material 29 for insulating the underfloor portion of the bathroom unit 20 is disposed. The underfloor heat insulating material 29 is made of a plate heat insulating material such as polyethylene foam, and is disposed below the washing floor and the bathtub. The underfloor heat insulating material 29 is divided into a plurality of parts, and notches 29a are provided at a plurality of locations for avoiding interference with the receiving metal fitting 15 and the drainage pipe in a state assembled to the floor structure portion of the building unit 10. Yes.

  Next, the structure regarding the metal fitting 15 is demonstrated using FIG. In FIG. 4, (a) shows a receiving bracket 15 (referred to as 15A for convenience) fixed to the floor girder 12, and (b) shows a receiving bracket 15 (referred to as 15B for convenience) fixed to the receiving small beam 14. Show.

  As shown in FIG. 4 (a), the receiving metal 15A includes a vertical plate portion 31A and a horizontal plate portion 32A arranged in directions orthogonal to each other, and two connections respectively connected to the respective plate portions 31A and 32A. The plate portion 33A is fixed to each other by welding or the like. The connecting plate portion 33A has a substantially triangular shape, and the connecting plate portion 33A connects the vertical plate portion 31A and the horizontal plate portion 32A in an L shape.

  The receiving metal 15A is fixed to the floor beam 12 via the intermediate metal 34. Specifically, the intermediate bracket 34 has a pair of upper and lower fixing portions 35 that are fixed to the floor beam 12 and a side plate portion 36 that is between the fixing portions 35. The intermediate metal fitting 34 is fixed to the floor beam 12 such that the side plate portion 36 extends in the vertical direction. The bracket 15A is fixed to the intermediate bracket 34 using two upper and lower fixing nuts 37A (weld nuts) attached to the side plate portion 36 of the intermediate bracket 34 and bolts 38A that are screwed into the fixing nut 37A. Done. In a state where the receiving metal 15A is fixed to the floor beam 12 (the state shown in FIG. 4A), the horizontal plate portion 32A of the receiving metal 15A extends in the horizontal direction. The upper surface of the horizontal plate portion 32A is a mounting surface on which the bolt legs 25 are mounted.

  Moreover, as shown in FIG.4 (b), the receiving metal 15B has the structure similar to 15A of receiving metal. Briefly, the receiving bracket 15B has a vertical plate portion 31B, a horizontal plate portion 32B, and a connecting plate portion 33B, and the vertical plate portion 31B and the horizontal plate portion 32B are L-shaped by the connecting plate portion 33B. It is connected to. The receiving bracket 15B is fixed to the receiving beam 14 using two upper and lower fixing nuts 37B (weld nuts) attached to the receiving beam 14 and bolts 38B screwed into the fixing nut 37B. Done. In a state where the receiving bracket 15B is fixed to the small beam 14 (the state shown in FIG. 4B), the horizontal plate portion 32B of the receiving bracket 15B extends in the horizontal direction. The upper surface of the horizontal plate portion 32B is a mounting surface on which the bolt legs 25 are mounted.

  In consideration of attaching the fixing nut 37B to the inside of the receiving small beam 14, the receiving small beam 14 is retrofitted to the grooved steel instead of the square tubular square steel (after the fixing nut 37B is attached). The plate material (39 in the figure) may be fixed to the groove opening side. The receiving beam 14 is not necessarily fixed to the receiving bracket 15B by the bolt 38B and the nut 37B, and may be fixed by welding, for example.

  The brackets 15A and 15B are attached so as not to protrude below the lower surface position of the floor beam 12 which is the lower end position of the building unit 10, respectively. Thereby, the receiving metal fitting 15 prevents the situation which obstructs unit conveyance.

  As shown in FIG. 5, the bolt leg 25 is attached in a state where it is screwed into a fixing nut 41 fixed to the lower surface of the unit base 21 (frame material). A rotation nut 42 for rotating the bolt leg 25 with a tool such as a wrench is integrally attached. The lower surface of the rotation nut 42 is a mounting surface that is mounted on the upper surfaces of the horizontal plate portions 32A and 32B.

  In each bracket 15 (15A, 15B), the horizontal plate portions 32A, 32B are configured to extend from the vertical plate portions 31A, 31B in a direction orthogonal to the longitudinal direction of the floor beam (12, 14). Further, each of the receiving metal fittings 15 (15A, 15B) is arranged so as to extend inward as viewed in the left-right direction in FIG.

  By the way, in this embodiment, it is supposed that the bathroom unit 20 is assembled | attached with respect to the building unit 10 in the unit manufacturing factory as a construction order of a building, and the said building unit 10 is conveyed to a building construction site with a truck etc. in the state. In such a case, there is a concern that if the unit is transported with the bolt legs 25 on the bathroom unit 20 side placed on the metal fittings 15 on the building unit 10 side, the bolt legs 25 may be displaced. Therefore, in the present embodiment, a configuration is adopted in which the bolt legs 25 are temporarily fixed to the upper surface of the receiving metal fitting 15 using a temporary fixing plate 50 as a temporary fixing tool before being transported to the building construction site.

  FIG. 6 is a perspective view showing the receiving metal fitting 15, the bolt leg 25, and the temporary fixing plate 50. FIG. 5 shows a state where the temporary fixing plate 50 is set on the receiving metal 15.

  As shown in FIGS. 5 and 6, the temporary fixing plate 50 is made of a flat plate made of steel, and is located at a position between the inner end portions of the horizontal plate portions 32 </ b> A and 32 </ b> B and the bolt legs 25 in each receiving metal 15. It is arranged. More specifically, a protruding portion 45 that protrudes upward is provided at the inner end of the horizontal plate portions 32A and 32B, and the temporary fixing plate 50 is set between the protruding portion 45 and the bolt leg 25. It has come to be. In the state in which the temporary fixing plate 50 is set, the temporary fixing plate 50 can be engaged (contactable) with the protruding portion 45.

  The protrusions 45 are provided at two positions spaced apart from each other at the inner front end portions of the horizontal plate portions 32A and 32B (that is, the end portions opposite to the vertical plate portions 31A and 31B). The space is an insertion space SW (insertion portion) for inserting the tool W.

  At the end of the temporary fixing plate 50 on the bolt leg 25 side, there is formed a recess 51 into which the bolt leg 25 enters while the temporary fixing plate 50 is set on the upper surface of the receiving metal 15. The recess 51 has a semicircular shape, for example. However, the recess 51 may have a triangular shape or a rectangular shape.

  In addition, an inclined surface 52 is formed at the front end of the temporary fixing plate 50 on the bolt leg 25 side so that the lower side is retracted. By forming the inclined surface 52 in this way, even if the temporary fixing plate 50 is in contact with the bolt leg 25, the contact portion of the temporary fixing plate 50 is reduced, so that it is difficult to remove the temporary fixing plate 50. Inconvenience is to be suppressed. In addition, the inclined tip portion may be provided at an intermediate position in the thickness direction of the temporarily fixing plate 50 other than the same height position as the upper surface of the temporarily fixing plate 50. In short, it is only necessary that the inclined tip end portion of the temporary fixing plate 50 is configured to contact the side surface of the rotating nut 42 of the bolt leg 25.

  Further, the inclined surface 52 of the temporary fixing plate 50 also functions as a hook portion when the plate is removed. For example, even if the temporary fixing plate 50 is sandwiched between the bolt leg 25 and the projecting portion 45 after the building unit 10 is transported and it is difficult to remove the temporary fixing plate 50, the temporary fixing plate 50 is hooked on the inclined surface 52. 50 can be easily removed. The temporary fixing plate 50 has a hooking hole 53 (a hole) in addition to the inclined surface 52 as a hooking part at the time of removal.

  The mounting position of the bolt leg 25 on the upper surface of the receiving metal 15 is determined for each bolt leg 25, and a temporary fixing plate 50 having a size corresponding to the mounting position of the bolt leg 25 is appropriately used. . That is, in FIG. 5, the temporary fixing plate 50 for the receiving bracket 15 </ b> A and the temporary fixing plate 50 for the receiving bracket 15 </ b> B have different dimensions, and the portion sandwiched between the bolt leg 25 and the protruding portion 45. The length is “L1” for the bracket 15A and “L2” for the bracket 15B. In the present embodiment, as the temporary fixing plate 50, a plurality of temporary fixing plates 50 having different lengths between the bolt legs 25 and the protrusions 45 are prepared.

  When the bathroom unit 20 is installed with respect to the building unit 10, the position of the bolt leg 25 on the upper surface of the receiving bracket 15 is determined by a predetermined part of the unit base 21 coming into contact with the floor beam 12. It is like that.

  Next, the installation method of the bathroom unit 20 with respect to the building unit 10 is demonstrated.

  First, the building unit 10 is manufactured in the unit manufacturing factory. At this time, as shown in FIG. 1, the floor beam 13 is assembled to the floor beam 12 which is the main structure of the building unit 10, and the receiving beam 14 is assembled as shown. And the receiving metal fitting 15 is each attached to the predetermined position in the floor large beam 12 and the receiving small beam 14 by the side of bathroom space S1.

  Then, the bathroom unit 20 is assembled | attached to the floor structure part of the building unit 10 using transfer means, such as a lifter. At this time, the bathroom unit 20 is assembled to the unit floor structure in a state where the unit base 21, the bathtub 22, the wall panel 23, and the ceiling panel 24 are integrated. At the time of assembling, the bolt legs 25 extending downward from the unit base 21 are placed at predetermined positions on the upper surfaces of the receiving brackets 15.

  Thereafter, the bolt legs 25 are temporarily fixed using the temporary fixing plate 50 on the upper surface of the receiving metal 15. At this time, the operator selects one of the plurality of temporary fixing plates 50 having different lengths between the bolt legs 25 and the projecting portion 45, and selects the selected temporary fixing plate 50. Temporary fixing is carried out by setting at a position between the bolt leg 25 and the protruding portion 45. At this time, the pair of floor beams (floor large beam 12 and receiving beam 14) that are separated from each other are temporarily sandwiched between the bolt legs 25 and the protruding portions 45 at positions that are respectively inside the bolt legs 25 in the separating direction. The fixing plates 50 are respectively arranged (state shown in FIG. 5). In the present embodiment, each bolt leg 25 is temporarily fixed using a temporary fixing plate 50.

  Thereafter, the building unit 10 is transported to the building construction site by a truck or the like and installed. Then, the temporary fixing plate 50 is removed. Thereafter, the unit height level is adjusted by adjusting the length of the bolt leg 25. At this time, level adjustment is performed by turning the turning nut 42 of the bolt leg 25 using a tool W such as a wrench (see FIG. 6). When adjusting the level, adjust the level while checking the level using a level.

  Thereafter, the bolt leg 25 is permanently fixed to the receiving metal 15 at the mounting position of the bolt leg 25 on the upper surface of the receiving metal 15. At this time, as shown in FIG. 7, the bolt leg 25 is permanently fixed by attaching an adhesive or a curing agent to the rotation nut 42 (the base part of the bolt leg 25) of the bolt leg 25.

  After such a series of unit installation operations, the underfloor heat insulating material 29 is attached from the underfloor side.

  According to the embodiment described in detail above, the following excellent effects can be obtained.

  When the building unit 10 is transported with the bathroom unit 20 installed, the bathroom unit 20 is not permanently fixed at the time of transport. The reason for not being fixed is that the height level of the bathroom unit 20 is adjusted using the bolt legs 25 after the building unit 10 is installed at the building construction site. Therefore, there is a concern that the bathroom unit 20 may be displaced when the building unit 10 is transported. However, according to the configuration of the present embodiment, the building unit 10 is transported in a state where the bolt legs 25 are temporarily fixed by the temporary fixing plate 50. Therefore, the position shift of the bathroom unit 20 can be suppressed. In addition, since the fixing of the bolt legs 25 before transporting to the building construction site is limited to “temporary fixing” using the temporary fixing plate 50, the height of the bathroom unit 20 after transporting the unit to the building construction site. It is possible to adjust the level. As a result, a suitable installation of the bathroom unit 20 can be realized.

  In the receiving metal 15, a protrusion 45 is provided on the mounting surface on which the bolt leg 25 is mounted. When the temporary fixing plate 50 is attached on the mounting surface of the receiving metal 15, The temporary fixing plate 50 can be attached to a predetermined position using the protruding portion 45. In this case, the temporary fixing plate 50 can be attached while being sandwiched between the bolt leg 25 and the protruding portion 45, and the bolt leg 25 can be temporarily fixed by a simple operation.

  In the configuration in which the receiving brackets 15 are attached to the pair of floor beams (12, 14) facing each other in the building unit 10, the bolt legs 25 placed on the receiving brackets 15 are inward in the beam separation direction. If the movement to is restricted, the position shift of the bathroom unit 20 can be suppressed. In this regard, according to the above-described configuration, the temporary fixing plate 50 is disposed between the bolt legs 25 and the protrusions 45 at positions inside the bolt legs 25 in the beam separation direction. Each bolt leg 25 is restricted from moving inward in the beam separation direction, so that the misalignment of the bathroom unit 20 can be suitably suppressed. In this case, since it is not necessary to restrict the movement of the individual bolt legs 25 to both the inside and outside in the beam separation direction, the configuration of the temporary fixing plate 50 can be simplified.

  In addition, after the transportation to the building construction site, the temporary fixing plate 50 is removed before the level adjustment of the unit height. Therefore, the temporary fixing plate 50 can be prevented from interfering during the level adjustment operation. In addition, the temporary fixing plate 50 can be used as a jig.

  Since the protrusion 45 is provided at the end opposite to the vertical plate 31 in the horizontal plate 32 of the metal fitting 15, the bolt leg 25 slides down from the tip of the horizontal plate 32 due to the protrusion 45. This can be suitably suppressed.

  Moreover, since the insertion space SW for tool insertion is provided in the edge part on the opposite side to the vertical board part 31 in the horizontal board part 32, it is convenient structure when performing the length adjustment work of the bolt leg 25 It has become.

  Since the plurality of temporary fixing plates 50 having different lengths between the bolt legs 25 and the protrusions 45 are prepared and used selectively, the mounting position of the bolt legs 25 is determined. Even if different items are included, it is possible to cope with the situation appropriately. That is, it is possible to suppress rattling as much as possible with the temporarily fixed plate 50 attached.

  The present invention is not limited to the description of the above embodiment, and may be implemented as follows, for example.

  -It is also possible to change the structure of a temporary fixing tool (temporary fixing member) as follows. In the configuration shown in FIG. 8, a hole 61 is formed at a position on the distal end side (the side opposite to the vertical plate portion 31) in the horizontal plate portion 32 of the receiving metal 15. Further, the temporary fixing plate 50 is formed with a protrusion 62 to be inserted into the hole 61. In this case, the protrusion 62 of the temporary fixing plate 50 is inserted into the hole 61 of the horizontal plate portion 32 so that the temporary fixing plate 50 (the protrusion 62) can engage with the hole wall surface of the horizontal plate 32 ( Abutable). In consideration of transportation of the building unit 10, the protrusion 62 is prevented from projecting from the lower surface of the horizontal plate portion 32, or the protrusion 15 is not extended below the lower surface of the floor beam 12. The attachment position may be changed upward. Further, when removing the temporarily fixing plate 50, the plate 50 can be removed by hitting the protrusion 62 with a tool from below.

  In the above-described embodiment, the temporary fixing tool (temporary fixing member) is disposed at a position inside each of the bolt legs 25 in the separating direction of the pair of floor beams with respect to the receiving metal fitting 15 attached to each of the pair of floor beams. However, this may be changed and a temporary fixing tool (temporary fixing member) may be disposed at a position on the outer side of each of the bolt legs 25 in the separating direction of the pair of floor beams. Specifically, as illustrated in FIG. 9A, the temporary fixing piece 65 is attached to the horizontal plate portion 32 of the metal fitting 15 along the vertical plate portion 31. In the configuration shown in the drawing, the longitudinal section of the temporary fixing piece 65 has a triangular shape, and a recess 66 into which the bolt leg 25 enters is formed at the inner top portion. However, the shape of the temporary fixing piece 65 is arbitrary, and may be a flat plate shape. In the said structure, the movement to the outer side in the beam separation direction is controlled about each bolt leg 25 for every receiving metal fitting 15, and the position shift of the bathroom unit 20 can be suppressed suitably.

  The temporary fixing piece 65 is preferably removable. In this case, the temporary fixing piece 65 is attached before the transport of the building unit 10 and is removed after the transport. In the configuration of FIG. 9A, the vertical plate portion 31 corresponds to an engagement portion that can be engaged with the temporary fixing piece 65.

  Further, the temporary fixing piece 65 may be fixed so as not to be detached, for example, by being welded to the receiving bracket 15. In this case, when the bathroom unit 20 is assembled to the building unit 10 by placing the bolt legs 25 on the horizontal plate portions 32 of the metal fittings 15, the bolt legs 25 are inserted into the recesses 66 of the temporary fixing pieces 65 and temporarily fixed. Will be. Therefore, in this case, the bolt legs 25 are temporarily fixed simultaneously with the assembly of the bathroom unit 20. Here, the temporary fixing piece 65 is formed with an inclined surface 65a inclined downward toward the inner side in the beam separating direction (in other words, the concave portion 66), so that the bolt leg 25 is placed on the horizontal plate portion 32 of the receiving metal 15. , The bolt leg 25 can be guided to the recess 66 while the bolt leg 25 is placed on the inclined surface 65a. Thereby, even in the configuration in which the temporary fixing piece 65 is fixed on the receiving metal fitting 15, the bolt leg 25 can enter the concave portion 66 and can be temporarily fixed relatively easily.

  Moreover, as shown in FIG.9 (b), it is good also as a structure which fixes the substantially semicircular temporary fixing piece 67 on the horizontal-plate part 32 of the metal fitting 15. As shown in FIG. The temporary fixing piece 67 is provided in accordance with a predetermined position on which the bolt leg 25 is placed, and is configured to be temporarily fixed by inserting the bolt leg 25 into the recessed portion.

  For example, temporary fixing tools are arranged on both sides of the bolt legs 25 in the beam separating direction on the horizontal plate portion 32 of the receiving metal 15, and both bolt fixing lines 25 are arranged on both sides of the bolt legs 25 in the beam separating direction. You may make it regulate the movement to. For example, it is conceivable that the temporary fixing plate 50 and the temporary fixing piece 67 (see FIG. 9B) are arranged on both sides of the bolt leg 25 to perform the both-side regulation. In this case, for example, the bolt legs 25 placed on the two receiving brackets 15 attached to the floor beam on one side of the opposing floor beams (floor beam 12 and receiving beam 14) are both temporarily fixed 50. , 67 can be used to temporarily fix the misalignment of the bathroom unit 20.

  In the above embodiment, the bolt leg 25 is temporarily fixed using the temporary fixing plate 50 after the bathroom unit 20 is assembled to the building unit 10 by placing the bolt leg 25 on the metal fitting 15. This procedure may be changed. For example, the bathroom unit 20 may be assembled to the building unit 10 by first placing the temporary fixing plate 50 at a predetermined position on the metal fitting 15 and then placing the bolt leg 25 on the metal fitting 15. In this case, when the bathroom unit 20 is assembled, each bolt leg 25 enters the concave portion 51 of the temporary fixing plate 50 and is temporarily fixed. That is, in this case, the assembly of the bathroom unit 20 to the building unit 10 and the temporary fixing of the bolt legs 25 are performed simultaneously.

  In the above embodiment, each bolt leg 25 of the bathroom unit 20 is temporarily fixed using the temporary fixing plate 50, but it is not always necessary to temporarily fix all the bolt legs 25. For example, among the receiving brackets 15 attached to each of a pair of opposing floor beams (floor large beam 12 and receiving small beam 14), they are placed on two receiving brackets 15 arranged in a diagonal relationship with each other. Only the bolt legs 25 may be temporarily fixed by the temporary fixing plate 50. Even in that case, since it is possible to restrict the inward movement of the bolt legs 25 in the beam separation direction, it is possible to suitably suppress the displacement of the bathroom unit 20. Further, in this case, compared with the case where each bolt leg 25 is temporarily fixed by the temporary fixing plate 50, the number of steps for temporary fixing work can be reduced.

  The temporary fixing plate 50 may be left attached after the building unit 10 is installed.

  In the above embodiment, the floor large beam 12 and the receiving beam 14 are a pair of floor beams, and the bathroom unit 20 is installed so as to be bridged between the pair of floor beams. Good. For example, it is good also as a structure which installs the bathroom unit 20 so that it may be spanned over a pair of opposing floor girder 12, or may be installed so that it may be spanned over a pair of opposing floor beam 13.

  In the above embodiment, the bathroom unit 20 has the unit base 21 as the lower structure, and the unit base 21 is provided with the bolt legs 25 extending downward, but this configuration is changed so that the bathroom unit 20 It is good also as a structure which has the waterproof pan as a lower structure, and provides the bolt leg 25 extended below to the waterproof pan.

  DESCRIPTION OF SYMBOLS 10 ... Building unit, 12 ... Floor beam (floor beam), 14 ... Receiving beam (floor beam), 15 ... Receiving bracket (support member), 20 ... Bathroom unit, 25 ... Bolt leg (leg member), 31 ... Vertical Plate part 32 ... Horizontal plate part (mounting part) 45 ... Projection part (engagement part) 50 ... Temporary fixing plate (temporary fixing tool, temporary fixing member), 65, 67 ... Temporary fixing piece (temporary fixing tool) , Temporary fixing member), SW ... insertion space.

Claims (9)

A bathroom unit installation method for installing a bathroom unit with respect to a building unit,
The bathroom unit is provided with a plurality of leg members extending downward and having a length adjusting function,
A plurality of support members for supporting the leg members in a mounted state are attached to the floor beams of the building unit,
Before transporting to a building construction site, the step of assembling the bathroom unit to the building unit by placing the leg member of the bathroom unit on the upper surface of the support member;
Similarly, before transporting to the building construction site, temporarily fixing the leg member using a temporary fixing tool on the upper surface of the support member;
After transporting to the building construction site, adjusting the unit height level by adjusting the length of the leg member;
Then, the step of permanently fixing the leg member to the support member at the mounting position of the leg member on the upper surface of the support member;
The installation method of the bathroom unit characterized by having. The support member has a placement portion for placing the leg member, and an engagement portion that can be engaged with the temporary fixing tool,
The step of attaching the temporary fixing tool to a position where it can be engaged with the engagement portion on the placement portion before transporting to the building construction site. The installation method of the bathroom unit of 1. The support members are respectively attached to a pair of floor beams facing each other in the building unit,
An installation method for installing the bathroom unit so as to span the pair of floor beams,
Before the transport to the building construction site, the positions of the leg members inside the leg members in the separating direction of the pair of floor beams with respect to the support members attached to the pair of floor beams, or the leg members The installation method of the bathroom unit according to claim 2, wherein the temporary fixing tool is disposed at a position on the outer side of each of the two.   The method of installing a bathroom unit according to claim 2 or 3, further comprising a step of removing the temporary fixing tool before the level adjustment of the unit height after transport to the building construction site. . The support member includes a vertical plate portion fixed to a side surface portion of the floor beam, and a horizontal plate portion extending from the vertical plate portion in a direction perpendicular to the longitudinal direction of the floor beam, the horizontal plate portion. Is the above-mentioned placement part,
In the horizontal plate portion, a protruding portion protruding upward is provided as the engaging portion at an end opposite to the vertical plate portion, and a tool used for adjusting the length of the leg member can be inserted. The installation method of the bathroom unit as described in any one of Claim 2 thru | or 4 characterized by the above-mentioned. As the temporary fixing tool, a plurality of temporary fixing tools having different lengths between the leg member and the engaging portion are prepared,
6. The mounting according to claim 2, wherein when the temporary fixing tool is mounted on the mounting portion, the mounting is performed by selecting one of the plurality of temporary fixing tools. The installation method of the bathroom unit as described in a term. A bathroom building unit in which the bathroom unit is integrated and installed,
The bathroom unit is provided with a plurality of leg members extending downward and having a length adjusting function,
A plurality of support members for supporting the leg members in a mounted state are attached to the floor beams constituting the floor structure portion,
Temporary fixing for temporarily fixing the leg member before adjusting the unit height level by adjusting the length of the leg member in a state where the leg member of the bathroom unit is placed on the upper surface of the support member. A building unit for a bathroom comprising a member. The support member has a placement portion for placing the leg member, and an engagement portion that can be engaged with the temporary fixing member,
The building unit for bathroom according to claim 7, wherein the temporary fixing member is attached to a position where the temporary fixing member can be engaged with the engaging portion on the placement portion. The support members are respectively attached to a pair of floor beams facing each other in the building unit,
A building unit in which the bathroom unit is installed so as to span the pair of floor beams,
The temporary fixing members are positioned on the inner sides of the leg members in the separating direction of the pair of floor beams with respect to the support members attached to the pair of floor beams, or on the outer sides of the leg members, respectively. The building unit for a bathroom according to claim 8, wherein the building unit is for a bathroom.

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