JP5625922B2 - Unit bus and its assembly method - Google Patents

Description

  The present invention relates to a unit bus and an assembling method thereof.

  In order to install the washing floor of the unit bath horizontally on the building floor, for example, those equipped with supporting legs whose heights are adjustable at the four corners are used. In addition, in order to easily perform the height adjustment work of the support legs when installing the washing floor, a washing floor having a work opening (washing place inspection opening) opened upward is also used. If there is no work opening, the workability is inferior because it is necessary to adjust the height of the support legs and connect the piping from the side between the floor and the building floor, but using the work opening makes it easy to perform these operations from above the floor. (For example, refer patent documents 1-4).

  On the other hand, when a work opening is provided in the wash floor waterproof floor pan, a lid for water tightly closing the work opening is required in addition to the wash floor waterproof floor pan, and the structure is likely to be complicated. In addition, it is necessary to form both the waterproof pan with the work port and the washing area lid with a waterproof material (molded product), which is costly. Therefore, considering the cost, it is desirable to have a bus unit structure in which a work opening is not provided in the wash floor waterproof floor pan, and height adjustment and piping connection can be performed with an easy posture from above. As one of such structures, an assembly structure in which the washing floor waterproof floor pan is installed after adjusting the height of the support legs provided on the floor support material can be considered.

JP 2010-121381 A JP 2006-233439 A JP 2008-25122 A JP 2002-88847 A

  However, when trying to realize the structure as described above, another major problem is encountered as described below.

  In other words, the door frame main mounting part (further, the wall panel mounting part on which the wall panel is mounted) on which the door frame (the bathroom door frame of the unit bath) is mounted is formed integrally with the wash floor waterproof floor pan. It is preferable from the viewpoint of cost and waterproofness. However, as described above, if the wash floor waterproof floor pan is installed after adjusting the height of the support legs, the door frame main mounting portion does not exist when the height of the support legs is adjusted, The height of the support leg cannot be adjusted by placing the door frame on the door. As a height adjustment method in this case, for example, there is a method in which a difference in the height direction between the floor support material and the upper surface of the dressing room floor is measured and adjusted. However, after the adjustment, if the door frame is not built vertically due to measurement errors at the stage where the door frame is finally placed on the door frame main mounting part of the washing floor waterproof floor pan, the washing place is again The waterproof floor pan must be removed and the height of the support leg must be adjusted again, which is cumbersome.

  The present invention, when assembling the unit bath, after adjusting the height of the support legs, when adopting the process of installing a wash floor waterproof floor pan integrally formed with the door frame main mounting portion, It is an object of the present invention to provide a unit bus and an assembling method thereof capable of accurately adjusting the height.

  The present inventor has made various studies focusing on the above-described new problem that was not found in the prior art. In any of Patent Documents 1 to 4 described above, when the height is adjusted from the work opening, there is a door frame main mounting portion on which the door frame is permanently mounted (to be placed and finally attached). For this reason, the height of the support leg can be adjusted accurately with the door frame placed on the door frame main placement portion without any special measures. In short, in the past, it was possible to adjust the height in a state where the door frame that is the reference for height adjustment was actually placed, but in this application, because the cost and structure were improved, When adjusting the height, the door frame cannot be actually placed. The present inventor, who has made further studies focusing on this point, has come to obtain knowledge that leads to the solution of the problem.

  The assembly method of the unit bus according to the present invention is based on such knowledge, and is provided with a support leg that can be height-adjusted and a work port that is opened upward for use in adjusting the height of the support leg. The floor support material is installed on the building floor, the door frame is temporarily placed on the door frame temporary support material attached to the floor support material, and the temporarily placed door frame is placed on the floor. After adjusting the height of the support legs so that they are the same height as in the final mounting state, the door frame main mounting part and the washing floor floor part are integrally formed, and the work is done A waterproof floor pan without a mouth is installed on the floor support material, and the door frame is finally mounted on the door frame main mounting portion in the final state.

  In this assembling method, the support leg can be operated using the work port of the floor support material, so that the height adjustment work can be performed in an easy posture from above the floor support material. Moreover, it is easy to adjust the height of the support legs with the door frame actually used in the unit bath temporarily placed on the door frame temporary support material, and it is easy to make mistakes that cause reading errors associated with measurement. There is no risk of occurrence, and it is possible to adjust the height with high accuracy.

  In addition, according to the present invention, it is possible to use a wash floor waterproof floor pan in which the door frame main placement portion on which the door frame is placed and the wash floor portion are integrally formed and does not have a work opening. In this case, the waterproof performance of the washing floor can be realized only by the washing floor waterproof floor pan having an integral structure, so that it is not necessary to obtain the waterproof performance for the floor support material. Therefore, an inexpensive member can be used as the floor support material, and as a result, a unit bath that is preferable from the viewpoint of cost and waterproofness can be realized.

  In addition, according to the present invention, as described above, the door frame can be temporarily placed (temporarily placed) on the door frame temporary receiving material. Before placing the wash floor waterproof floor pan integrally formed), the floor support can be accurately adjusted by placing the door frame. For this reason, after placing the wash floor waterproof floor pan, the troublesome work of removing the wash floor waterproof floor pan and adjusting the height again becomes unnecessary, and the workability is excellent.

  In such an assembly method, it is preferable to use a door frame temporary receiving material that can temporarily place the door frame horizontally. Normally, the door frame is finally placed horizontally and in a final mounting state. Therefore, according to the present invention in which the door frame is very close to such a final mounting state at the time of temporary mounting, the height adjustment of the support legs is further performed. It can be performed with high accuracy.

  Furthermore, in this assembling method, it is preferable to attach the door frame temporary receiving material in the vicinity of the position reference portion when leveling the floor support material. In such a case, since the door frame temporary support material is provided at the position reference portion of the floor support material, it is possible to achieve both high leveling and leveling of the floor support material with high accuracy. The frame can be placed vertically.

  Further, in such an assembling method, the door frame main mounting portion is placed at a predetermined height by being placed so that the back side of the door frame main mounting portion of the washing floor waterproof floor pan is in close contact with the position reference portion. It is preferable to level by. Even if the washing floor waterproof floor pan is warped, according to the present invention, the door frame main placement portion is corrected so as to be along the position reference portion of the floor support material. It is possible to adjust the height by temporarily placing the door frame on the door frame temporary receiving material in a state close to the case where the door frame is finally finally placed on the main placement portion.

  In the assembling method, it is preferable to use a door frame temporary receiving member that includes a positioning portion that positions the door frame at a predetermined position in the horizontal direction. Normally, the washing floor waterproof floor pan and the adjacent room floor need to be arranged with a predetermined clearance in the horizontal direction. According to the present invention, the horizontal direction of the door frame is determined by the positioning portion provided in the door frame main mounting portion. Since the position is defined, the horizontal position of the floor support material can be defined simultaneously with the temporary placement of the door frame. This eliminates the need for horizontal measurement.

  In the assembling method, it is also preferable to define the horizontal position of the floor support material by bringing the temporary door frame receiving material into contact with the side end of the adjacent room floor. According to the present invention, it is possible to easily define the horizontal installation position of the floor support material with respect to the adjacent room floor using the door frame temporary support material, so that the trouble of measuring is not required.

  In the assembling method, it is also preferable that the temporary door frame receiving material is disposed at a position where it does not interfere with the waterproof floor pan. Since it is not necessary to remove the door frame temporary support material when installing the waterproof floor pan in the washing place, the workability is excellent in that the removal work is unnecessary.

  In this assembling method, it is more preferable that a part of the door frame temporary receiving material is disposed between the wash floor waterproof floor pan and the adjacent room floor so as to function as a reinforcing material for the door frame. In the conventional structure, a part of the door frame located above the clearance between the washing floor waterproof floor pan and the adjacent room floor is in a suspended state, but according to the present invention, the door frame temporary receiving material is used. A part of the structure is supported, and the door frame temporary support material is also useful for reinforcing the door frame.

  Moreover, the unit bath according to the present invention is provided with a support leg that can be adjusted in height and a work opening that is opened upward for use in adjusting the height of the support leg, and is installed on a building floor. A floor support material, a door frame temporary receiving material that is attached to the floor support material and can temporarily mount the door frame of the unit bath, and the door frame is finally mounted in a final state. A door frame main mounting portion and a washing floor floor portion that can be integrally formed, and provided with a washing floor waterproof floor pan that does not have a work opening, and the door frame temporarily mounted on the door frame temporary receiving material; The door frame is placed at the same height as when it is placed on the main placement portion.

  According to the present invention, when assembling the unit bath, after adjusting the height of the support legs, when adopting the process of installing the wash floor waterproof floor pan in which the door frame main mounting portion is integrally formed, The leg height can be adjusted accurately.

It is a top view which shows an example of a unit bus. It is a disassembled perspective view which shows examples, such as a floor support material, a washing-room waterproof floor pan, and a bathtub drain pipe. It is a perspective view which shows examples, such as a floor support material installed on the building floor, a mount frame, and a bathtub drain pipe. It is a perspective view which shows an example of the floor support material etc. which were installed on the floor support material. It is a perspective view which shows an example of a height reference member. It is a perspective view which shows the other example of a height reference member. It is a side view which shows an example of the door frame main mounting part of the washing-room waterproof floor pan, the floor of a dressing room, and the door frame mounted so as to straddle between them. It is a perspective view which shows an example of the state which installed the floor support material in which the door frame temporary support material was attached on the building floor. It is a perspective view which shows an example in the state in which the floor support material, the washing-room waterproof floor pan, the door frame main mounting part, the door frame, etc. were installed. It is a perspective view which shows examples, such as a floor support material, a mount frame, and a door frame. It is a side view which shows an example of the means which suppresses the curvature of a waterproof floor floor and is leveled. It is a perspective view which shows the other example of the means to suppress and warp the washing floor waterproof floor pan. It is a figure which shows the other example of a positioning part which positions a door frame in the predetermined position of a horizontal direction.

  Hereinafter, the configuration of the present invention will be described in detail based on an example of an embodiment shown in the drawings.

  FIG. 1 shows an example of a unit bus and its assembly method according to the present invention. A unit bath 1 according to the present invention includes a floor support material 2, a wash floor waterproof floor pan 3, a door frame 5, a door frame temporary support material 9 and the like. The door frame 5 is a member that forms a frame of a bathroom door (not shown). For example, a lower member (a member that forms a floor portion of the door frame) shown in FIG. The door frame main placement portion (portion on which the door frame 5 is placed on the washing floor waterproof floor pan 3) 31 and the floor surface 401 of the dressing room 400 are placed so as to straddle (FIG. 7, FIG. 9). In the following description, this lower member is also simply referred to as a door frame 5.

  The space in the unit bath 1 is roughly divided into a washing space and a bathtub installation space (see FIG. 1). A washing place 12 is installed in the washing place space. The bathtub installation space is adjacent to the washing space, and a base (tub support base) 300 is installed on the building floor (indicated by reference numeral 200 in FIG. 3 etc.) (see FIG. 3 etc.). Is installed.

  The gantry 300 is configured by vertically and horizontally combining columnar metal materials (steel materials), and has sufficient strength and durability to support a bathtub load in a state where bath water is accumulated and a bather is present. . The bathtub 11 supported by the gantry 300 is formed with an inner tank 11a capable of storing bathtub water, and a bathtub drain 11b is provided on the bottom of the inner tank 11a (see FIG. 1). . The bathtub 11 of this embodiment shown in FIG. 1 has a substantially quadrangular shape (or may be an oval shape or the like) in plan view, and is installed with one of the pair of long side bathtub walls facing the washing room 12 side. ing.

  The washing place 12 includes a floor support material 2, a washing place waterproof floor pan 3, and the like. Among these, the floor support material 2 is provided with a support leg 22 that can be adjusted in height and a work opening 21 that is open upward when used to adjust the height of the support leg 22. It is installed on the floor 200 and supports the wash floor waterproof floor pan 3 (see FIG. 2). A drainage opening 24 is provided in the floor support 2 at a position corresponding to the washing ground drain port 33 of the washing ground waterproof floor pan 3. As will be described later, the floor support material 2 of the present embodiment is sufficient if only strength is realized even if waterproofness is not particularly realized. Furthermore, a door frame temporary support material 9 is attached to the floor support material 2 of the present embodiment.

  The washing ground waterproof floor pan 3 is a member constituting the surface (floor surface) of the washing ground 12 and is supported by the floor support material 2. The opening corresponding to the work port 21 of the floor support material 2 is not formed in the washing ground waterproof floor pan 3 of this embodiment (refer FIG. 4 etc.). For this reason, since the whole wash floor waterproofing floor pan 3 of this embodiment can be integrally molded with a waterproof material, it is easy to ensure waterproofness as a whole. Moreover, the door frame main mounting part 31, the washing place floor part 32, the washing place drain outlet 33, etc. are integrally molded in the washing place waterproof floor pan 3 of this embodiment (refer FIG. 7 etc.). A drain outlet cover 34 that covers the washing ground drain outlet 33 is placed on the washing ground drain outlet 33. Furthermore, a drainage trap 35 is provided at the washing ground drainage port 33. Moreover, the bathtub drain 11b and the drain trap 35 provided in the washing ground drain 33 are connected by the bathtub drain 13 (refer FIG. 2, FIG. 3). The bathtub drain pipe 13 joins the drainage of the bathtub 11 into the drain trap 35.

  The door frame main placement portion 31 of the wash floor waterproof floor pan 3 is integrally formed with the wash floor portion 32 and the like. The door frame 5 that is actually mounted on the door frame main mounting portion 31 is in a final mounted state (see FIG. 7 and the like).

  The door frame temporary receiving material 9 is attached to the floor support material 2 so that the door frame 5 can be temporarily placed when the unit bus 1 is assembled (see FIG. 8 and the like). In this embodiment, the height of the door frame 5 temporarily placed on the door frame temporary receiving member 9 is the same as the height of the door frame 5 when the door frame 5 is actually placed on the door frame main placement portion 31 described above. It is adjusted so that According to this, if the height of the support leg 22 (and the floor support material 2) is adjusted with the door frame 5 actually used in the unit bath 1 temporarily placed on the door frame temporary support material 9, The washing place waterproof floor pan 3 installed on the floor support 2 can be installed at a predetermined height.

  The concrete example of the door frame temporary receiving material 9 is such that the temporarily placed door frame 5 can have the same height as or the same height as the door frame 5 that is actually placed on the door frame main placement portion 31. If it is suitable for adjustment for this, it will not specifically limit. For example, in this embodiment, the plate-shaped member is bent, and the door frame temporary receiving material 9 including the flat portion 92 on which the door frame 5 is temporarily placed is used (see FIGS. 5 and 8). Further, a part of the flat portion 92 near the dressing room 400 is further bent upward (see FIGS. 5 and 6). The bent portion functions as a positioning portion 91 that positions the door frame 5 at a predetermined position in the horizontal direction. According to the positioning part 91, the horizontal position can be defined when the door frame 5 is temporarily placed on the flat part 92.

  Further, in the present embodiment, the flat portion 92 is horizontal, and the door frame 5 can be temporarily placed horizontally by the door frame temporary receiving material 9. In the unit bus 1 of the present embodiment, since the door frame 5 is placed in a horizontal state in a final mounting state (see FIG. 7 and the like), as in the normal case, such final mounting is performed during temporary mounting. According to the present embodiment, which is very close to the state, the height of the support leg 22 can be adjusted with higher accuracy.

  Moreover, in this embodiment, the door frame temporary receiving material 9 is arrange | positioned in the position which does not interfere with the washing-room waterproofing floor pan 3. FIG. In such a case, when installing the waterproof floor pan 3 in the washing place, it is not necessary to leave the door frame temporary support member 9 with the door frame temporary attachment member 9 left unattached.

  Furthermore, in this embodiment, such a door frame temporary support material 9 is attached in the vicinity of the position reference portion when the floor support material 2 is leveled. In such a case, since the door frame temporary support material 9 is provided at the position reference portion of the floor support material 2, the floor support material 2 is accurately raised (height adjustment) and leveled (levelness). Adjustment). According to this, as a result, the both side frames of the door frame 5 can be made vertical, and the entire door frame 5 can be formed in a rectangular shape (see FIG. 10).

  Here, the position reference part is a part or part that becomes a reference when the position of the floor support 2 is adjusted as described above, and can be appropriately set according to the form of the unit bus 1. It is not limited to a specific position. For example, as shown in FIG. 5, the vicinity of the side surface 2a of the floor support material 2 may be set as the position reference portion, or the corner portion of the floor support material 2 or the vicinity thereof may be set as the position reference portion and the door frame. A temporary receiving material 9 may be installed (see FIG. 6). For example, among the members constituting the unit bath 1, the height adjustment and the horizontal adjustment are particularly important (for example, a bathroom wall member (not shown) or a door placement surface on which a door is placed). If these position reference portions are set so as to be advantageous in adjusting the door frame 5 or the column member 7 that supports the door frame 5, it is advantageous in that these members are installed with higher accuracy.

  Furthermore, a plurality of position reference parts can be set. For example, it is preferable to set these position reference parts so as to be advantageous for adjustment of members such as the bathroom wall member and door frame 5 described above, in which adjustment of height adjustment and leveling is particularly important. As described above, the door frame 5 is a member that forms a frame of a bathroom door (not shown). For example, a lower member (a member that forms a floor portion of the door frame) shown in FIG. The door frame main placement portion (portion on which the door frame 5 is actually placed on the washing floor waterproof floor pan 3) 31 and the floor surface 401 of the dressing room 400 provided on the pan 3 and the floor surface 401 are placed ( (See FIGS. 7 and 9). In such a unit bus 1, if position reference portions are set in the vicinity of both ends of the door frame 5, adjustment for accurately installing the door frame 5, which is particularly important for leveling and vertical alignment, is possible. Become. Specifically, the door frame 5 can be accurately installed by setting the position reference portion in the vicinity of the door frame main placement portion 31 described above. In addition, in FIG. 7, the floor surface (water surface) of the washing floor part of the washing ground waterproof floor pan 3 and the surface of the floor surface 401 of the dressing room 400 are indicated by ▽ (see FIG. 7).

  Subsequently, an assembly process of the unit bus 1 having the above-described configuration will be described with an example.

  The floor support material 2 to which the door frame temporary support material 9 is attached is installed on the building floor 200, and the door frame 5 is temporarily placed on the door frame temporary support material 9. The support leg 22 is operated in a state where the horizontal position of the door frame 5 is defined, and the height of the support leg 22 and the floor support material 2 is adjusted. The height adjustment is performed so that the temporarily placed door frame 5 has a predetermined height. At this time, an assembly worker or the like can perform height adjustment work by inserting a hand from above the work port 21.

  At this time, the horizontal position of the floor support material 2 can also be defined by bringing the temporary door frame receiving material 9 into contact with the side end of the dressing room 400 (see FIG. 7). In such a case, the installation position in the horizontal direction of the floor support material 2 with respect to the floor surface 401 of the dressing room 400 can be easily defined using the door frame temporary support material 9, so that the trouble of measuring measurement is unnecessary. It is.

  When the adjustment of the height or the like is finished, the waterproof floor pan 3 is placed on the floor support 2 (see FIG. 4 and the like). Further, the door frame 5 is placed so as to straddle the door frame main placement portion 31 of the washing floor waterproof floor pan 3 and the floor surface 401 of the dressing room 400 (see FIGS. 7 and 9). Since the height adjustment of the floor support material 2 has already been completed at this time, the washing floor waterproof floor pan 3 placed on the floor support material 2 and the door frame 5 etc. placed thereafter are respectively predetermined. It will be in the state mounted in the position of predetermined height.

  Further, at the time of assembly, a part of the door frame temporary receiving material 9 is disposed between the washing floor waterproof floor pan 3 and the floor surface 401 of the dressing room 400, and the door frame temporary receiving material 9 is further reinforced to the door frame 5. It can also function as a material. Since the door frame temporary receiving material 9 used only for adjustment at the time of assembly can be made to function as a part of the structural material even after the assembly in this way, it is useful in terms of reinforcement of the door frame 5 and the like.

  By the way, since the wash floor waterproofing floor pan 3 is plate-shaped, for example, when it is integrally formed with FRP or the like, warping may occur. About such a washing place waterproofing floor pan 3, it is preferable to make it horizontal (leveling) by sticking at least a predetermined location to the floor support material 2. For example, in the present embodiment, the back side of the door frame main mounting portion 31 of the washing place waterproof floor pan 3 is arranged so as to be in close contact with a preset position reference portion. The door frame main placement portion 31 is leveled at a predetermined height even when there is a warp. The leveling means (leveling means) is not particularly limited, but for example, a side-view crank-shaped pressing member 8 is attached to the joiner 6 or the column member 7 with screws or the like, thereby warping the washing floor waterproof floor pan 3. It is possible to suppress and level (see FIG. 11). Alternatively, assuming that the column member 7 of the unit bath 1 is used, the column member 7 is attached to the joiner 6, and the wash floor waterproof floor pan 3 is pressed by a part of the column member 7, thereby It is also possible to suppress a warp by pressing a part of the floor to the floor support material 2 (see FIG. 12 and the like). Even if the warp floor pan 3 is warped, the door frame main placement portion 31 is corrected so as to be along the position reference portion of the floor support material 2 by doing so.

  As described so far, in the unit bus 1 and the assembling method thereof according to the present embodiment, the support leg 22 can be operated by using the work port 21 of the floor support material 2. For example, the height adjustment work can be performed in an easy posture from above the floor support material 2. Therefore, compared with the conventional unit bus 1 which does not have such a work port 21 and is forced to work using a gap or the like, the work is easy and workability is excellent. In addition, the adjustment is only necessary to change the height while the door frame 5 is temporarily placed, and the operation can be performed without placing the door frame 5 or the like at the actual position.

  Further, in the unit bath 1 and the assembling method thereof according to the present embodiment, it is possible to use the wash floor waterproof floor pan 3 that does not have a work port. Therefore, the wash floor waterproof floor pan 3 having an integrally formed structure. It is easy to realize the waterproof performance of the washing place 12 with only. Then, even the floor support material 2 having no waterproof performance can be adopted, and as a result, the inexpensive floor support material 2 can be adopted, so that the structure is simple and the cost is excellent. The unit bus 1 can be realized.

  The above-described embodiment is an example of a preferred embodiment of the present invention, but is not limited thereto, and various modifications can be made without departing from the scope of the present invention. For example, in this embodiment, as the positioning part 91 for positioning the door frame 5 at a predetermined position in the horizontal direction, an example in which a part of the flat part 92 is bent upward is illustrated (see FIG. 5 and the like). This is only an example of a positioning part. In addition, for example, a convex portion 9a is provided on the upper surface of the door frame temporary receiving material 9, and a fitting concave portion 51 to which the convex portion 9a is fitted is provided on the bottom portion of the door frame 5, and both are fitted. By doing so, the horizontal position of the door frame 5 can be positioned at a predetermined position (see FIG. 13). In this case, the convex portion 9 a provided on the upper surface of the door frame temporary receiving member 9 functions as the positioning portion 91. Of course, as long as such positioning is possible, the unevenness may be reversed.

  Further, not only the door frame temporary receiving material 9 described so far, but also a member (height reference member) 4 that can be an index at the time of adjustment of the height or the like can be provided (see FIGS. 5 and 6). If both the height reference member 4 and the temporary door frame receiving member 9 are provided, it is possible to properly use both according to the structure of the unit bus 1 and the situation at the time of adjustment. The joiner 6 described above may be used as the height reference member 4. Reference numeral 41 denotes a mark portion formed by a cut or the like.

1: Unit bath 2: Floor support material 3: Washing floor waterproof floor pan 5: Door frame 7: Supporting member 8: Holding member 9: Door frame temporary receiving material 21: Work port 22: Support leg 31: Door frame main mounting portion 32: Washing floor 91: Positioning unit 200: Building floor 400: Dressing room (next door)
401: Floor surface of dressing room (reference plane of adjacent room)

Claims (9)

A floor support material provided with a height-adjustable support leg and a work opening opened upward for use in adjusting the height of the support leg is installed on the building floor,
The same height as that when the door frame is temporarily placed on the door frame temporary receiving material attached to the floor support material, and the temporarily placed door frame is finally placed in the final mounting state. After adjusting the height of the support legs so that
The door frame main mounting portion and the washing floor floor portion where the door frame is permanently mounted are integrally formed, and a washing floor waterproof floor pan having no work opening is installed on the floor support material,
A unit bus assembling method, wherein the door frame is finally mounted on the door frame main mounting portion in a final state.   The method for assembling a unit bus according to claim 1, wherein the door frame temporary receiving member is one that can temporarily place the door frame horizontally.   3. The unit bus assembling method according to claim 2, wherein the door frame temporary receiving material is attached in the vicinity of a position reference portion when leveling the floor support material.   The door frame main mounting part is leveled at a predetermined height by being placed so that the back side of the door frame main mounting part of the waterproof floor pan is in close contact with the position reference part. The method for assembling a unit bus according to claim 3.   3. The unit bus assembling method according to claim 2, wherein the door frame temporary receiving member is provided with a positioning portion for positioning the door frame at a predetermined position in the horizontal direction.   3. The unit bath assembling method according to claim 2, wherein the horizontal position of the floor support material is defined by bringing the door frame temporary receiving material into contact with a side end portion of the adjacent room floor.   The method for assembling a unit bath according to claim 2, wherein the door frame temporary receiving material is disposed at a position where the door frame temporary receiving material does not interfere with the wash floor waterproof floor pan.   8. The method of assembling a unit bath according to claim 7, wherein a part of the door frame temporary receiving material is disposed between the waterproof floor pan and the adjacent room floor so as to function as a reinforcing material for the door frame. . A support leg that can be adjusted in height, and a work opening that opens upward when used to adjust the height of the support leg, and a floor support material installed on the building floor,
A door frame temporary receiving material that is attached to the floor support material and can temporarily place the door frame of the unit bath;
The door frame main placement part and the washing place floor part, which can be placed on the door frame in the final state, are integrally formed, and the washing place waterproof floor pan does not have a work opening,
With
The unit bus, wherein the door frame is disposed at the same height when temporarily placed on the door frame temporary receiving member and when the door frame is permanently placed on the door frame main placement portion.

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