JP2934720B2 - Supporting member and fixing structure of faucet mounting box for unit bath - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a support member and a fixing structure for a unit bath faucet mounting box used for mounting a unit bath faucet.

[0002]

2. Description of the Related Art Conventionally, in the installation work of a faucet of a unit bath, as shown in FIG. 16, a space between a unit bath wall 40 and a room wall 50 for supplying a hot water supply pipe 4 of the unit bath faucet is provided. Was as small as about 100 mm, which required two workers. That is, one of the workers puts the faucet elbow 7 connected to the hot water supply pipe 4 on the unit bath wall 40 and the room wall 50.
And the faucet mounting port 71 of the faucet elbow 7 faces the wall hole 41 of the unit bath wall 40 from behind the unit bath wall 40, and the flange 72 of the faucet elbow 7 is It comes into contact with the back surface of the wall 40. Next, another worker screws the faucet 6 into the faucet mounting port 71 of the faucet elbow 7 held by the other worker from the front side of the wall 40 of the unit bath, and tightens the hexagon nut 8. , Flange 7 of faucet elbow 7
2, the wall 40 of the unit bath was sandwiched and fixed. Therefore, much work was required for the work.

[0003] The inventor of the present application has proposed a technique in which a person can work alone in Japanese Patent Application No. 61-287154 (Patent No. 1667090). FIGS. 17 to 20 show a conventional technique disclosed in Japanese Patent Application No. 61-287154. In the temporary fixing structure of the faucet mounting box according to the present invention, the support member 1 is mounted on the back of the unit bath wall 40, and the faucet mounting opening 20 is formed in the faucet mounting box 2 from the back of the unit bath wall 40. An elongated hole 21 for temporary fixing in a state facing the 41 is provided, and the elongated hole 21 of the engaging portion E of the faucet mounting box 2 and the projection 21 formed on the engaging portion D of the support member 1 are provided. The faucet mounting box 2 is temporarily fixed in a detented state by engaging the corner ends.

[0004] Therefore, with such a temporary fixing structure of the faucet mounting box 2, an operator can easily move the wall 40 of the unit bath.
After the faucet mounting box 2 is temporarily held on the back side of the unit, that is, in a temporarily fixed state, the faucet 6 can be attached from the front side of the wall 40 of the unit bath. Therefore, the installation work of the faucet 6 can be performed by one worker, so that the work efficiency can be improved and the cost can be reduced.

[0005]

However, the aforementioned Japanese Patent Application No.
In the technique described in Japanese Patent No. 1-287154, when a wall hole 41 for inserting a faucet mounting opening 20 protruding from the faucet mounting box 2 to the front is formed in the wall 40 of the unit bath, the faucet mounting is performed. An extra space for sliding the box 2 to lock the elongated hole 21 with the projection 12 needs to be formed in the wall hole 41 and the through hole 11 of the support member 1.

In the wall hole 41 and the through hole 11 of the support member 1, a faucet mounting opening 20 having a male screw 22 is provided.
It is also necessary to form an extra space for attaching the fixing ring 5 for holding the faucet attachment box 2 to the wall 40 on the outer peripheral surface of the faucet attachment opening 20.

Further, the faucet mounting box 2 includes a support member 1.
Is in a temporarily fixed state in which the engaging portion D of the water faucet mounting box 2 and the engaging portion E of the faucet mounting box 2 are engaged with each other. It was not fixed, was unstable, and had poor workability.

Accordingly, the present invention provides a support member and a fixing structure for a faucet mounting box for a unit bus, which eliminates the necessity of forming an extra space in the wall hole, thereby eliminating the play at the time of mounting and improving the mounting workability. The purpose is to provide

[0009]

The support member of the unit bath faucet mounting box according to the first aspect of the present invention is mounted on the back of the wall of the unit bath, and the faucet mounting opening of the faucet mounting box is inserted therethrough. has a through hole, Ru is rotated by a predetermined angle a faucet mounting box faucet mounting opening is inserted into the through hole
Thereby, it is supported in a non-rotatable state in which it cannot rotate in the rotation direction and the opposite direction .

The supporting member of the faucet mounting box for a unit bath according to the second aspect of the present invention includes: an engaging portion which engages with the faucet mounting box when the faucet mounting box is rotated by a predetermined angle; A reverse rotation preventing portion for preventing reverse rotation in a state where the mounting box is engaged with the engaging portion.

According to a third aspect of the present invention, there is provided a support member for a faucet mounting box for a unit bath, wherein the reverse rotation preventing portion according to the second aspect is pushed backward by the faucet mounting box inserted through the through hole. , The faucet mounting box is formed of an elastic piece which is restored after being rotated by a predetermined angle.

According to a fourth aspect of the present invention, there is provided a support member for a unit bath faucet mounting box, wherein the engagement according to the second or third aspect is formed by a hook-shaped protruding piece into which the faucet mounting box can be inserted. It was done.

According to a fifth aspect of the present invention, there is provided a fixing structure for a unit bath faucet mounting box, wherein a supporting member having a through hole is mounted on the back of the wall of the unit bath, and a faucet mounting opening is formed in the through hole of the supporting member. It is faucet mounted box but is inserted, rotated by a predetermined angle by the rotation and reverse in time by Rukoto
The faucet is supported by the support member in an immovable detent state, and is fixed so that the opening of the faucet attachment opening faces the inside of the unit bath.

According to a sixth aspect of the present invention, there is provided a fixing structure for a faucet mounting box for a unit bath, wherein the supporting member according to the fifth aspect is provided around an engaging portion which engages with the faucet mounting box and the faucet mounting box. A counter-rotation preventing portion for stopping the rotation, the faucet mounting box rotated by a predetermined angle is locked by the engaging portion and is prevented from rotating by the reverse-rotation preventing portion; It is supported by a member.

According to a seventh aspect of the present invention, the faucet mounting box according to the sixth aspect is provided with a flat flange portion, and the flange portion is rotated by a predetermined angle. Are locked by the engaging portion of the support member and are prevented from rotating by the reverse rotation preventing portion, and are supported by the support member.

According to an eighth aspect of the present invention, there is provided a fixing structure for a faucet mounting box for a unit bath, wherein the reverse rotation preventing portion of the support member according to the sixth aspect is provided by pressing the faucet mounting box inserted through the through hole. The faucet mounting box is formed of a retreating elastic piece, and is supported by the support member by the rotation of a predetermined angle, being locked by the engaging portion and being prevented from rotating by the restored elastic piece. is there.

According to a ninth aspect of the present invention, there is provided a fixing structure for a water faucet mounting box for a unit bath, wherein the water faucet mounting box according to the eighth aspect has a flat flange portion for pressing and retreating the elastic piece and having a predetermined angle. With this rotation, the flange portion is locked by the engagement portion, and is prevented from rotating by the restored elastic piece, and is supported by the support member.

According to a tenth aspect of the present invention, there is provided a fixing structure for a faucet mounting box for a unit bath, wherein the faucet mounting opening of the faucet mounting box according to any one of the fifth to ninth aspects has an inner periphery. A female screw into which a fixing ring for fixing the faucet joint is screwed is screwed.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. In the drawing, reference numeral 1 denotes a rectangular plate-shaped support member integrally formed of a synthetic resin, and a central portion is provided with a through hole 11 into which the faucet mounting opening 20 of the faucet mounting box 2 can be inserted. Wall hole 4 in wall 40
1 is formed to have substantially the same size. The through hole 11 of the support member 1 is provided in the faucet mounting opening 2 of the faucet mounting box 2.
0 is formed to the minimum necessary size that can be inserted from a right angle direction. In addition, the end of the locking plate 3 of the faucet mounting box 2 is inserted into the periphery of the through hole 11 of the support member 1 by rotating counterclockwise along the surface of the support member 1. Hook-shaped locking projection 13 and auxiliary projection 13a,
An elastic projection 14 that is elastically retracted toward the wall 40 by being pressed on the surface of the locking plate 3 is integrally formed. The elastic projection 14 is, as shown in FIGS.
A claw portion 14b slightly projecting outward at a free end of a thin square plate-like piece 14a having one side integrally connected, and a guide projection portion 14c projecting outward at a central portion are integrally formed. , Resiliently receding toward the wall 40 about the connecting portion. In a normal state, the surface of the rectangular plate-like piece 14a of the elastic projection 14 is at the same height as the surface of the support member 1 as shown in FIG.

Here, the locking projection 13 and the auxiliary projection 13a
The engaging portion and the elastic projection 14 in the claims correspond to the reverse rotation preventing portion in the claims, and the locking plate 3 also corresponds to the flange portions in the claims 7 and 9. . Although the support member 1 is formed to have the same thickness as a whole, it may be partially different, or the entire surface side in contact with the wall 40 is made to have a thin plate thickness, and the faucet mounting box 2 is mounted. The side may be formed by appropriately forming a rib on the periphery and inside. Further, the faucet mounting box 2 can accommodate a faucet elbow 7 therein similarly to the conventional example.

Next, the mounting of the water faucet mounting box by the fixing structure of the water faucet mounting box for a unit bath configured as described above will be described. First, the support member 1 is attached to the wall 40 by using a known means such as a double-sided tape, an adhesive, or a screw so that the through hole 11 and the wall hole 41 are aligned. Next, as shown in FIG. 3, the faucet mounting opening 20 of the faucet mounting box 2 is inserted into the through hole 11 of the support member 1 and the wall hole 4 of the wall 40.
1 and then rotate counterclockwise while pressing the faucet mounting box 2 so that the end of the locking plate 3 of the faucet mounting box 2 is supported by the supporting member 1 as shown in FIG. Is engaged with the locking projection 13. At this time, the elastic projection 14 is pressed on the surface of the locking plate 3 of the faucet mounting box 2 and retreats toward the wall 40 as shown in FIG. When the end of the locking plate 3 comes into contact with the vertical wall surface in the locking projection 13, further rotation is prevented, and at the same time, the elastic projection 14 is moved to the front side as shown in FIG. It returns elastically. Therefore, once the rotation is completed, the faucet mounting box 2 is stopped at the end by the claw portion 14b, and is prevented from rotating in the opposite direction. Thereby, the faucet mounting box 2 is stably held at a predetermined position of the support member 1. When the faucet mounting box 2 is to be removed, if the guide projections 14c of the elastic projections 14 are pressed down, the blocking by the claw portions 14b is released, and the faucet mounting box 2 can be rotated in the reverse direction, so that the faucet mounting box 2 can be easily rotated. Can be removed.

Next, the hot water supply pipe 4 is pulled out from the inside of the faucet mounting opening 20 of the faucet mounting box 2 to the front side of the wall 40, that is, the bathroom side, and the faucet elbow 7 is mounted. The fixing ring 5 is screwed into the female screw 21 of the faucet mounting opening 20. After the fixing ring 5 is attached, the waterproof ring 10 is externally fitted to the faucet attachment opening 71 of the faucet elbow 7 from the bathroom side, and the hex nut 8 is further attached to the faucet attachment opening 71 of the faucet elbow 7 from the front side. Screw on the male screw. This completes the installation of the faucet attachment box 2 and the faucet elbow 7, as shown in FIG. Thereafter, the male screw of the mounting portion 6a of the water faucet 6 is screwed to the female screw of the water faucet mounting opening 71 of the water faucet elbow 7, and the makeup cup 9 is further attached. With the above, attachment of the faucet attachment box 2 and the faucet 6 is completed. The auxiliary projection 13a is not necessarily provided if the faucet mounting box 2 is stably held on the support member 1 by the locking projection 13 and the elastic projection 14.

By the way, in the above embodiment, the faucet mounting box 2 may be configured as shown in FIG.
In the figure, a locking projection 13 and an elastic projection 14 are respectively provided at symmetrical positions on the support member 1.
In this case, in order to attach the faucet attachment box 2 to the support member 1, as shown by a solid line, the faucet attachment box 2 is placed in a positional relationship where the upper side of the support member 1 and the upper side of the faucet attachment box 2 are parallel. The faucet mounting opening 20 is inserted into the through hole 11 of the support member 1. At this time, the two left and right elastic projections 14 are pressed by the locking plate 3 of the faucet mounting box 2 and sink. Next, if the faucet mounting box 2 is turned to the left or right as shown by a one-dot chain line or a two-dot chain line,
The locking plate 3 of the faucet mounting box 2 engages with either the left or right locking projection 13, and one elastic projection 14 is released from being pressed and returns upward, and the faucet mounting box 2 is stopped from rotating. And That is, in this embodiment, the faucet mounting box 2 can be supported in a state where the faucet mounting box 2 is prevented from coming off and turning even if it is turned to the left or right. Here, the locking projection 1
3 is a faucet mounting box 2 similar to the elastic projection 14.
May be formed in a hook-shaped projection piece which can be elastically advanced and retracted by pressing.

In the above embodiment, the support member 1 is provided with an elastic projection 1 to prevent the faucet mounting box 2 from rotating in the reverse direction.
4, the reverse rotation can be prevented by means shown in FIGS. In the figure, a support member 1 is formed with a mountain-shaped protrusion 13b of a predetermined length that protrudes into the accommodation space of the locking protrusion 13. On the other hand, in the locking plate 3 of the faucet mounting box 2, a concave portion 3a that engages with the projection 13b is formed at a position corresponding to the projection 13b of the support member 1 after the rotation of the faucet mounting box 2. I have. In this case, if the faucet mounting box 2 is rotated, the recess 3a and the protrusion 13
b is engaged, the reverse rotation of the faucet mounting box 2 is prevented, and the faucet mounting box 2 is stably held by the support member 1. The projections 13b and the recesses 3a do not need to be limited to the positions and numbers shown in the drawing, but may be set arbitrarily.

As described above, the support member of the faucet mounting box for the unit bath of the above embodiment is attached to the back surface of the wall 40 and the through hole 11 through which the faucet mounting opening 20 of the faucet mounting box 2 is inserted. A faucet mounting opening 2 in the through hole 11
The faucet mounting box 2 into which 0 is inserted is rotated by a predetermined angle to support the faucet mounting box 2 in a detented state.

Therefore, the wall hole 41 and the through hole 11 of the support member 1 only need to be large enough to allow the faucet mounting opening 20 to be inserted at right angles to the wall hole 41 and the through hole 11. There is no need to provide an extra space between the faucet mounting opening 20 and the inner peripheral edge of the wall hole 41 to move and lock the faucet mounting opening 20 in a direction parallel to the wall 40 surface. As a result, it is possible to prevent the faucet mounting box 2 from rattling along a plane parallel to the wall 40 after the faucet mounting opening 20 is inserted into the wall hole 41 and the through hole 11 and rotated. For this reason, since it can be attached in a stable state, workability is improved.

That is, in the conventional example, the faucet mounting opening 20 of the faucet mounting box 2 is formed with an external screw, the fixing ring 5 is formed with an internal screw, and the fixing ring 5 is mounted to fill the extra space and fix. According to the present invention, the faucet mounting opening 20 of the faucet mounting box 2 is formed with internal threads, while the extra space must be formed in the wall 40 in consideration of the mounting of the ring 5. Since the ring 5 is formed as an external thread and is mounted inside the faucet mounting opening 20, no extra space is required between the wall hole 41 and the faucet mounting opening 20. The rattling can be eliminated. Further, since it is not necessary to form the wall hole 41 of the wall 40 in consideration of the extra space, the drilling operation can be performed quickly and easily.

Next, another embodiment of the present invention will be described with reference to FIGS. In the figure, a hook-shaped protruding locking projection 15 having an insertion port in a clockwise direction is integrally provided at four corners of a peripheral portion of a through hole 11 of a support member 1. The support member 1 is formed with the same elastic projections 14 as in the previous embodiment. On the other hand, an elongated engaging slit 3b is formed on the locking plate 3 of the faucet mounting box 2 at a position corresponding to the locking projection 15 of the support member 1.

In the support member for the faucet mounting box for a unit bath constructed as described above, in order for the supporting member 1 to hold the faucet mounting box 2, first, the faucet mounting opening 20 of the faucet mounting box 2 is required. Is inserted into the through hole 11 of the support member 1 and the wall hole 41 of the wall 40 from a direction perpendicular to the wall 40, and the locking projection 15 of the support member 1 is inserted into each engagement slit 3b. Next, as in the previous embodiment, the faucet mounting box 2 is rotated counterclockwise while pressing it toward the support member 1 so that the opening edge of the engagement slit 3b of the locking plate 3 is supported by the support member. The first engaging projection 15 is brought into contact with and engaged with the inner vertical wall surface. At this time, the elastic projection 14 is pressed by the surface of the locking plate 3 of the faucet mounting box 2, retreats toward the wall 40, resiliently returns to the front side, and once returns to the front side, the faucet The end of the mounting box 2 is blocked by the claw portion 14b, and is prevented from rotating in the opposite direction. Thereby, the faucet mounting box 2 is stably held at a fixed position of the support member 1. Hereinafter, attachment of the faucet elbow 7 and the faucet 6 is performed in the same manner as in the previous embodiment.

In this alternative embodiment, as in the previous embodiment, the wall hole 11 of the support member 1 is formed by the wall hole 41 and the through hole 1.
Any size may be used as long as it can be inserted in a direction perpendicular to 1, and there is no need to provide an extra space between the faucet mounting opening 20 and the inner peripheral edge of the wall hole 41. As a result, the wall hole 41
After insertion, the water faucet mounting box 2 can be prevented from rattling, and can be mounted in a stable state, thereby improving workability.

Also in the case of this other embodiment, instead of the elastic projection 14, a projection 13b and a recess 3a are provided for engaging the support member 1 and the faucet mounting box 2 at appropriate positions, and the rotation is reversed. It can also be prevented.

In each of the above embodiments, the supporting member 1
Is provided with one faucet 6, but the present invention is not limited to this. When a mixed faucet is mounted, for example, as shown in FIG. Two through holes 11 may be formed in the support member 1 in accordance with the mounting pitch of the mixing faucet.

[0033]

As described above, the support member of the unit bath faucet mounting box according to the first aspect of the present invention is mounted on the back of the wall of the unit bath, and the faucet mounting opening of the faucet mounting box is inserted therethrough. has a through hole, Rukoto by a predetermined angle rotates the faucet mounting box faucet mounting opening is inserted into the through hole
By supporting the rotation in the rotation direction and the rotation in the opposite direction in a non- rotational state, the wall hole does not move in a direction in which the faucet mounting opening of the faucet mounting box is parallel to the wall surface. Any size is acceptable as long as it can be inserted in the right angle direction, and therefore, there is no need to provide an extra space between the faucet mounting opening and the inner peripheral edge of the wall hole. For this reason, it is possible to prevent the faucet mounting box from rattling after being inserted into the wall hole, and to perform the mounting work in a stable state, thereby improving workability. Ma
Also, the faucet mounting box can be stably held in place.
You.

According to a second aspect of the present invention, there is provided a supporting member for a faucet mounting box for a unit bath, wherein the supporting member is provided with an engaging portion for engaging with the faucet mounting box and a reverse rotation preventing portion for preventing reverse rotation. As a result, the faucet mounting box can be reliably held at a fixed position.

According to the third aspect of the invention, the support member of the unit bath faucet mounting box has a simple structure and a simple structure because the reverse rotation preventing portion of the support member is formed of an elastic piece. Reverse rotation can be prevented.

In the supporting member of the water faucet mounting box for a unit bath according to the fourth aspect of the present invention, the engaging portion of the supporting member is formed by a hook-shaped protruding piece into which the water faucet mounting box can be inserted.
With a simple structure, the faucet mounting box can be easily supported in a retaining state.

According to a fifth aspect of the present invention, as in the first aspect, the faucet mounting opening of the faucet mounting box moves in a direction parallel to the wall surface. Therefore, it is sufficient that the size can be inserted in the right angle direction, and therefore, there is no need to provide an extra space between the faucet mounting opening and the inner peripheral edge of the wall hole. For this reason,
After insertion into the wall hole, the faucet mounting box is prevented from rattling, and mounting work can be performed in a stable state, so that workability is improved. Also, stabilize the faucet mounting box in place.
Can hold.

The fixing structure of the faucet mounting box for a unit bath according to the sixth aspect of the present invention is similar to the second aspect. Since the rotation preventing portion is provided, the faucet mounting box is securely held at a fixed position.

According to a seventh aspect of the present invention, there is provided a fixing structure for a faucet mounting box for a unit bath, wherein the faucet mounting box according to the sixth aspect has a flat flange portion, and the flange portion is rotated by a predetermined angle to rotate the faucet portion. It is locked by the engaging portion of the support member and is prevented from rotating by the reverse rotation preventing portion, and is supported by the support member. Therefore, it can be locked to the engaging portion of the support member with a simple structure. .

The fixing structure of the unit bath faucet mounting box according to the eighth aspect of the present invention has a simple structure because the reverse rotation preventing portion of the support member is formed of an elastic piece, as in the third aspect. Reverse rotation of the faucet mounting box can be easily prevented.

According to a ninth aspect of the present invention, there is provided a fixing structure for a faucet mounting box for a unit bath, wherein the faucet mounting box according to the eighth aspect is provided with a flat flange portion for pressing and retreating the elastic piece. Due to the rotation, the end face of the flange portion is locked by the engaging portion and is prevented from rotating by the restored elastic piece, and is supported by the support member. In addition to being able to be locked to the part, the reverse rotation of the faucet mounting box can be easily prevented with a simple structure.

According to a tenth aspect of the present invention, there is provided a fixing structure for a faucet mounting box for a unit bath, wherein the faucet mounting opening of the faucet mounting box according to any one of claims 5 to 9 has an inner peripheral surface. Since the female screw to which the fixing ring for fixing the faucet joint is screwed is screwed, the faucet mounting opening of the faucet mounting box after insertion does not move in the direction parallel to the wall surface, When the faucet is mounted, the faucet mounting box does not rattle, so that the mounting workability is improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a fixing structure of a unit bath faucet mounting box according to an embodiment of the present invention.

FIG. 2 is a front view showing the support member of FIG. 1;

FIG. 3 is a front view showing a state in which a faucet mounting opening of a faucet mounting box is inserted into the support member of FIG. 1 and before turning.

FIG. 4 is a front view showing a state after the faucet mounting opening of the faucet mounting box is inserted into the support member of FIG. 1 and rotated.

FIG. 5 is a sectional view taken along line AA of FIG. 2;

FIG. 6 is a cross-sectional view showing a state where the elastic projection of FIG. 5 is pressed.

FIG. 7 is a cross-sectional view showing a state of the elastic projection after the faucet mounting box is supported on the support member of FIG. 1;

FIG. 8 is an exploded perspective view showing each faucet mounting member in the embodiment of the present invention.

FIG. 9 is a cross-sectional view showing a water faucet attachment state in the embodiment of the present invention.

FIG. 10 is a front view showing a fixing structure of a unit bath faucet mounting box according to another embodiment of the present invention.

FIG. 11 is a front view showing a fixing structure of a unit bath faucet mounting box provided with another reverse rotation preventing means according to the present invention.

FIG. 12 is a sectional view taken along section line BB of FIG. 11;

FIG. 13 is a front view showing a fixing structure of a unit bath faucet mounting box according to still another embodiment of the present invention.

FIG. 14 is a sectional view taken along the line CC of FIG. 13;

FIG. 15 is a front view showing a support member used for a mixing faucet according to the present invention.

FIG. 16 is a sectional view showing a mounting structure of a conventional unit bath faucet.

FIG. 17 is a perspective view showing a fixing structure of a water faucet mounting box used for mounting another conventional unit bath faucet.

FIG. 18 is a perspective view showing a state where a faucet mounting box is mounted on the support member of FIG. 17;

FIG. 19 is a sectional view showing a state before fixing the faucet mounting box of FIG. 17;

FIG. 20 is a sectional view showing a state after fixing the faucet mounting box of FIG. 17;

[Explanation of symbols]

 Reference Signs List 1 support member 2 faucet mounting box 3 locking plate 3a recess 3b engaging slit 11 through hole 13, 15 locking projection 13a auxiliary projection 13b projection 14 elastic projection 20 faucet mounting opening 40 wall

Claims (10)

(57) [Claims] 1. A faucet mounting which is mounted on the back of a wall of a unit bath and through which a faucet mounting opening of a faucet mounting box is inserted, and wherein the faucet mounting opening is inserted through the through hole. the pivoting direction及by Rukoto so the box is rotated by a predetermined angle
A support member for a faucet mounting box for a unit bath, which is supported in a non-rotatable state in which it can not rotate in a reverse direction . 2. An engaging portion which engages with the faucet mounting box when the faucet mounting box is rotated by a predetermined angle; and a reverse rotation in a state where the faucet mounting box is engaged with the engaging portion. The support member for a water faucet mounting box for a unit bath according to claim 1, further comprising a reverse rotation preventing portion for preventing the rotation. 3. The reverse rotation preventing portion is formed of an elastic piece that is pressed back by a faucet mounting box inserted through the through hole and retreats, and restores the faucet mounting box after rotating by a predetermined angle. The support member for a faucet mounting box for a unit bath according to claim 2, characterized in that: 4. The unit bus faucet mounting box according to claim 2, wherein the engaging portion is formed by a hook-shaped protruding piece into which the faucet mounting box can be inserted. Support members. 5. A faucet mounting box in which a supporting member having a through hole is attached to the back of the wall of the unit bath, and a faucet mounting opening is inserted through the through hole of the supporting member.
By being supported by the support member in a detented state that cannot be rotated in the rotation direction and the opposite direction, the faucet mounting opening is fixed so that the opening of the faucet mounting opening faces the unit bath. Fixing structure of the faucet mounting box for the unit bath. 6. The faucet mounting, wherein the supporting member includes an engaging portion that engages with the faucet mounting box and a reverse rotation preventing portion that keeps the faucet mounting box from rotating. The unit-bath faucet mounting box according to claim 5, wherein the box is locked by the engaging portion and is prevented from rotating by the reverse rotation preventing portion, and is supported by a support member. Fixed structure. 7. The water faucet mounting box has a flat flange, which is locked by an engaging portion of the support member by a predetermined angle of rotation, and is prevented from rotating by a reverse rotation preventing portion. And being supported by a support member.
Structure for fixing the faucet mounting box for unit bath described in (1). 8. The reverse rotation preventing portion of the support member is formed of an elastic piece which retreats by pressing a faucet mounting box inserted through the through-hole, and the faucet mounting box is turned by a predetermined angle. 7. The fixing structure for a unit bath faucet mounting box according to claim 6, wherein the locking piece is stopped by the restored elastic piece and is supported by the support member. 9. The faucet mounting box includes a flat flange that presses and retreats the elastic piece, and is rotated by a predetermined angle to rotate the elastic piece.
9. The faucet mounting box for a unit bath according to claim 8, wherein the flange end face is locked by the engaging portion and is prevented from rotating by the restored elastic piece, and is supported by the support member. Fixed structure. 10. The faucet mounting opening of the faucet mounting box is formed by threading a female screw on an inner peripheral surface thereof with a fixing ring for fixing a faucet joint. A fixing structure for the unit bath faucet mounting box according to claim 9.