Unit bath

Abstract

To provide a modular bath capable of making usability of a bathtub better.SOLUTION: A modular bath 11 comprises a bathtub 16 that extends in a single direction X. The bathtub 16 has a first inclined plane 25 that is positioned on one side in the single direction X and that supports a bather's back, a second inclined plane 26 that is positioned on the other side in the single direction X and that supports the bather's legs, and the deepest part 27 that is positioned between the first and second inclined planes 25 and 26.SELECTED DRAWING: Figure 3

Description

[Technical Field]

[0001] The present invention relates to a modular bath. [Background technology]

[0002] Conventionally, a known unit bath is shown in Patent Document 1. Such unit baths are provided with a transfer platform and handrails on the right and left sides of the bathtub, making it easier for bathers with disabilities such as hemiplegia who have difficulty with everyday activities to enter the bathtub. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2003-147979 Summary of the Invention [Problem to be solved by the invention]

[0004] The bathtub of the above-mentioned unit bath is a rectangular box with an open top and a closed bottom. Therefore, there is room for improvement in terms of making the bathtub easier for bathers to enter and stabilize their posture in the bathtub. [Means for solving the problem]

[0005] (1) A unit bath that solves the above problem is a unit bath equipped with a bathtub that extends in one direction, the bathtub having a first slope located on one side of the one direction and supporting the bather's back, a second slope located on the other side of the one direction and supporting the bather's legs, and a deepest part located between the first slope and the second slope.

[0006] This configuration allows the bather to slide down the first slope with their buttocks to the deepest part, making it easy for even bathers who have difficulty with everyday movements to enter the bathtub. Additionally, when the bather is in the bathtub, their buttocks are positioned at or near the deepest part, with their back supported by the first slope and their legs supported by the second slope, stabilizing the bather's posture. This improves the bathtub's usability.

[0007] (2) The unit bath of (1) above is provided with a first handrail having a straight portion that crosses the center of the bathtub in one direction in a plan view. With this configuration, the bather can grasp the straight portion when getting in and out of the bathtub, making it easier for the bather to get in and out of the bathtub.

[0008] (3) In the unit bath of (2) above, a bench portion having an upper surface continuous with the end portion on the first slope side of the upper edge surface of the bathtub is provided so as to protrude in a direction intersecting the one direction, and the first handrail is provided at the end portion on the bench portion side of the straight portion and has a protruding portion that protrudes from the upper edge surface of the bathtub in a plan view and is adjacent to the bench portion in a plan view.

[0009] With this configuration, the bather can grasp the protrusion when transferring from the wheelchair to the bench, making it easier for the bather to transfer from the wheelchair to the bench.

[0010] (4) In the unit bath of (3) above, the end of the bathtub on the side of the first slope is bent toward the bench portion.

[0011] According to this configuration, the end of the bathtub on the first slope side is bent toward the bench portion, making it easier for the bather to enter the bathtub while sitting on the bench portion.

[0012] (5) In the unit bath of (3) or (4) above, a second handrail is provided at a position adjacent to the corner portion between the upper edge surface of the bathtub and the upper surface of the bench portion when viewed in a plane.

[0013] With this configuration, the bather can grasp the second handrail when moving between the bench and the bathtub, making it easier for the bather to move between the bench and the bathtub.

[0014] (6) In the unit bath of (5) above, a third handrail is provided on the opposite side of the first slope of the bathtub from the second handrail on the upper edge surface of the bathtub in a plan view.

[0015] With this configuration, bathers can grasp the third handrail when moving between the bench and the bathtub, making it easier for bathers to move between the bench and the bathtub.

[0016] (7) In any one of the unit baths (3) to (6) above, a fourth handrail is provided between the entrance and the bench portion in plan view. With this configuration, bathers can grasp the fourth handrail when moving between the entrance and the bench, making it easier for bathers to move between the entrance and the bench.

[0017] (8) In the modular bath of any one of (1) to (7) above, the first inclined surface is formed with a step portion. With this configuration, when a bather in the bathtub climbs up the first slope, he or she can easily change his or her position by sitting on the step.

[0018] (9) In the modular bath of (8) above, the second slope is formed with a step portion. With this configuration, a bather in the bathtub can easily climb up the first slope by bending their knees and straightening their knees while pushing against the step portion with the soles of their feet.

[0019] (10) In the unit bath of (9) above, the step portion is located lower than the step portion. With this configuration, a bather in the bathtub can climb up the first slope even more easily by bending their knees and straightening their knees while pushing against the step portion with the soles of their feet. [Effects of the Invention]

[0020] The unit bath of the present disclosure can improve the usability of the bathtub. [Brief explanation of the drawings]

[0021] [Figure 1] FIG. 1 is a perspective view of a unit bath according to an embodiment. [Figure 2] FIG. 2 is a plan view of FIG. [Figure 3] FIG. 3 is a cross-sectional view taken along line 3-3 in FIG. 2. [Figure 4] FIG. 1 is a plan view showing the movements of a wheelchair-dependent bather in the bathroom. [Figure 5] FIG. 1 is a plan view showing the movements of a wheelchair-dependent bather in the bathroom. [Figure 6] FIG. 1 is a plan view showing the movements of a wheelchair-dependent bather in the bathroom. [Figure 7] (a) is a plan view showing the movements of a wheelchair-bound bather in the bathroom, and (b) is a schematic cross-sectional view of (a). [Figure 8] (a) is a plan view showing the movements of a wheelchair-bound bather in the bathroom, and (b) is a schematic cross-sectional view of (a). [Figure 9] (a) is a plan view showing the movements of a wheelchair-bound bather in the bathroom, and (b) is a schematic cross-sectional view of (a). [Figure 10] (a) is a plan view showing the movements of a wheelchair-bound bather in the bathroom, and (b) is a schematic cross-sectional view of (a). [Figure 11] (a) is a plan view showing the movements of a wheelchair-bound bather in the bathroom, and (b) is a schematic cross-sectional view of (a). [Figure 12](a) is a plan view showing the movements of a wheelchair-bound bather in the bathroom, and (b) is a schematic cross-sectional view of (a). [Figure 13] FIG. 1 is a plan view showing the movements of a wheelchair-dependent bather in the bathroom. [Figure 14] FIG. 1 is a plan view showing the movements of a wheelchair-dependent bather in the bathroom. [Figure 15] FIG. 1 is a plan view showing the movements of a bather who can walk independently in a bathroom. [Figure 16] FIG. 1 is a plan view showing the movements of a bather who can walk independently in a bathroom. [Figure 17] FIG. 1 is a plan view showing the movements of a bather who can walk independently in a bathroom. [Figure 18] (a) is a plan view showing the movements of a bather who can walk independently in the bathroom, and (b) is a schematic cross-sectional view of (a). [Figure 19] (a) is a plan view showing the movements of a bather who can walk independently in the bathroom, and (b) is a schematic cross-sectional view of (a). [Figure 20] (a) is a plan view showing the movements of a bather who can walk independently in the bathroom, and (b) is a schematic cross-sectional view of (a). [Figure 21] (a) is a plan view showing the movements of a bather who can walk independently in the bathroom, and (b) is a schematic cross-sectional view of (a). [Figure 22] (a) is a plan view showing the movements of a bather who can walk independently in the bathroom, and (b) is a schematic cross-sectional view of (a). [Figure 23] (a) is a plan view showing the movements of a bather who can walk independently in the bathroom, and (b) is a schematic cross-sectional view of (a). [Figure 24] (a) is a plan view showing the movements of a bather who can walk independently in the bathroom, and (b) is a schematic cross-sectional view of (a). [Figure 25] (a) is a plan view showing the movements of a bather who can walk independently in the bathroom, and (b) is a schematic cross-sectional view of (a). [Figure 26] (a) is a plan view showing the movements of a bather who can walk independently in the bathroom, and (b) is a schematic cross-sectional view of (a). [Figure 27]FIG. 1 is a plan view showing the movements of a bather who can walk independently in a bathroom. [Figure 28] FIG. 1 is a plan view showing the movements of a bather who can walk independently in a bathroom. DETAILED DESCRIPTION OF THE INVENTION

[0022] An embodiment of a unit bath will be described below with reference to the drawings. <Unit bath 11> As shown in Figures 1 and 2, the unit bathroom 11 includes a floor 12, a ceiling 13, four side walls 14, and a bathtub 16 installed in a bathroom 15 that is rectangular in plan view and surrounded by these. The four side walls 14 are designated as a first side wall 17, a second side wall 18, a third side wall 19, and a fourth side wall 20. The first side wall 17 and the second side wall 18 face each other, and the third side wall 19 and the fourth side wall 20 face each other.

[0023] In the following description, the first side wall 17 side is the front side, the second side wall 18 side is the back side, the third side wall 19 side is the left side when viewed from the first side wall 17, and the fourth side wall 20 side is the right side when viewed from the first side wall 17. Note that the first side wall 17, the third side wall 19, and the ceiling 13 are omitted from Figure 1.

[0024] 1 and 2, a rectangular entrance / exit 21 extending in the vertical direction is formed in the left portion of first side wall 17. A bathroom door 22 that opens and closes entrance / exit 21 is provided in a portion of the outer surface of first side wall 17 corresponding to entrance / exit 21. A shower faucet 23 is provided in a right portion of the inner surface of first side wall 17.

[0025] A rectangular washbasin 24 extending in the left-right direction, which is the direction in which the third side wall 19 and the fourth side wall 20 face each other, is provided on the inner surface of the first side wall 17 below the shower faucet 23 so as to protrude toward the back. A bathtub 16 is located on the floor 12 at a position on the back side.

[0026] <Bathtub 16> As shown in Figures 1 to 3 and 9(b), bathtub 16 has a generally rounded rectangular shape extending in a direction X that is inclined at an angle of, for example, about 10° relative to the left-right direction in a plan view. That is, bathtub 16 extends at an angle relative to the left-right direction so that the right end is located closer to the viewer than the left end in a plan view. Bathtub 16 has a first inclined surface 25, a second inclined surface 26, and a deepest part 27 inside.

[0027] The first inclined surface 25 is located on the right side, which is one side of the bathtub 16 in the direction X, and supports the back of bather B. The second inclined surface 26 is located on the left side, which is the other side of the bathtub 16 in the direction X, and supports the legs of bather B. The deepest part 27 is located between the first inclined surface 25 and the second inclined surface 26 in the direction X of the bathtub 16. The first inclined surface 25 and the second inclined surface 26 are inclined so that they become lower toward the deepest part 27. Therefore, the inside of the bathtub 16 is approximately V-shaped in cross section.

[0028] A step 28 formed of a substantially horizontal flat surface is formed on the first inclined surface 25. In a plan view, the step 28 is located slightly to the right of the center of the first inclined surface 25 in one direction X and at the back in the perpendicular direction Y, which is a direction perpendicular to the one direction X. The step 28 is configured so that the bather B can sit on it.

[0029] A pair of step portions 29 formed by approximately vertical surfaces are formed on second inclined surface 26. In a plan view, the pair of step portions 29 are located at the center of second inclined surface 26 in one direction X and at both ends in the perpendicular direction Y. The pair of step portions 29 are located at a lower position within bathtub 16 than step portion 28. The pair of step portions 29 are configured so that bather B can contact the soles of both feet with both knees bent within bathtub 16.

[0030] <Configuration of the bathtub 16 and its surroundings> As shown in Figures 1 to 3, a rectangular plate-shaped bench portion 32 having an upper surface continuous with end portion 31 of upper edge surface 30 of bathtub 16 on the side of first slope 25 is provided. Upper edge surface 30 of bathtub 16 is a surface that surrounds the upper end opening of bathtub 16. Bench portion 32 protrudes in a direction intersecting with direction X.

[0031] That is, bench portion 32 protrudes toward first side wall 17 in the depth direction, which is a direction intersecting direction X and in which first side wall 17 and second side wall 18 face each other. In a plan view, bench portion 32 protrudes from end 31 on first slope 25 side of upper edge surface 30 of bathtub 16 toward shower faucet 23 provided on first side wall 17.

[0032] The end of bathtub 16 on the side of first slope 25 is bent toward bench 32. In plan view, the front edge of bench 32 comes into contact with the rear edge of sink 24. Washstand 24 is positioned higher than bench 32. The difference in height between sink 24 and bench 32 is greater than the thickness of the thighs of bather B (see Figure 14).

[0033] <First handrail 33> As shown in Figures 1 to 3, a first handrail 33 is located directly above the bathtub 16 in the bathroom 15. The first handrail 33 includes a first linear portion 34 (an example of a linear portion), a second linear portion 35, and a semicircular arc-shaped protrusion 36. The first linear portion 34 extends in the depth direction so as to cross the center of the bathtub 16 in one direction X in a plan view. In a plan view, the first linear portion 34 extends straight from the center in the left-right direction of the second side wall 18 to a position on the upper edge surface 30 of the bathtub 16 on the front side of the bathtub 16.

[0034] The rear end of the first straight section 34 is detachably attached to the second side wall 18. A protrusion 36 is provided continuously with the front end (bench section 32 side) of the first straight section 34. In a plan view, the protrusion 36 extends from the front end of the first straight section 34 toward the left while curving so as to bulge further forward than the front upper edge surface 30 of the bathtub 16.

[0035] The middle portion of the protruding portion 36, excluding both end portions, protrudes further forward than the upper edge surface 30 on the front side of the bathtub 16 in a plan view. The protruding portion 36 is arranged adjacent to the bench portion 32 in the one direction X in a plan view. The end of the protruding portion 36 opposite the first straight portion 34 side is located above the upper edge surface 30 on the front side of the bathtub 16. A second straight portion 35 is provided continuously to the end of the protruding portion 36 opposite the first straight portion 34 side.

[0036] The second straight section 35 extends in the direction X above the upper edge surface 30 on the front side of the bathtub 16 up to the third side wall 19. The end of the second straight section 35 opposite the protruding section 36 side is removably attached to the third side wall 19. A mounting protrusion 37 that protrudes downward is integrally formed on the underside of the end of the second straight section 35 on the protruding section 36 side. The lower end of the mounting protrusion 37 is removably attached to the upper edge surface 30 on the front side of the bathtub 16. Therefore, the first handrail 33 is removably attached within the bathroom 15.

[0037] <Second handrail 38> 1 to 3, in plan view, an inverted U-shaped second handrail 38 is provided on the upper edge surface 30 of the front side of the bathtub 16, adjacent to a corner portion 39 between the upper edge surface 30 and the upper surface of the bench portion 32. The angle of the corner portion 39 is set to be an obtuse angle in plan view.

[0038] Considering the ease of movement of bather B between the bathtub 16 and the upper surface of the bench 32, the angle of the corner portion 39 is preferably, for example, greater than 90° and less than 135°. The second handrail 38 is fixed to the upper edge surface 30 on the front side of the bathtub 16. A portion of the second handrail 38 is located below the end of the protruding portion 36 of the first handrail 33 on the first straight portion 34 side.

[0039] <Third handrail 40> As shown in Figures 1 to 3, in a plan view, a third handrail 40 is provided on the upper edge 30 of the bathtub 16, on the opposite side of the first slope 25 of the bathtub 16 from the second handrail 38. The third handrail 40 extends in a curve along the bathtub 16. One end of the third handrail 40 is located near the first straight portion 34 of the first handrail 33, and the other end is located near the right end of the bathtub 16.

[0040] Three fixing protrusions 41 that protrude downward are integrally formed on both ends and the center of the underside of the third handrail 40. The third handrail 40 is fixed to the upper edge surface 30 of the bathtub 16 at the three fixing protrusions 41.

[0041] <4th handrail 42> As shown in FIGS. 1 to 3, a fourth handrail 42 is provided on the inner surface of the first side wall 17 between the shower faucet 23 and the entrance / exit 21. That is, the fourth handrail 42 is provided in a position between the entrance / exit 21 and the bench portion 32 in a plan view. The fourth handrail 42 extends in the vertical direction and has two bent portions 43 formed by bending both end portions at right angles toward the first side wall 17. The fourth handrail 42 is fixed to the first side wall 17 at the two bent portions 43 at both end portions.

[0042] <Operation of the embodiment> (effect 1) Next, as an example, the operation when bather B, who is unable to walk independently due to paralysis of the right leg and requires a wheelchair 44 for movement, uses the unit bath 11 will be described with reference to FIGS.

[0043] As shown in Figure 4, bather B in wheelchair 44 opens bathroom door 22 and enters bathroom 15 through entrance 21, then moves along floor 12 to the side of bench 32. At this point, protruding portion 36 of first handrail 33 is located directly in front of bather B. Next, as shown in Figure 5, bather B in wheelchair 44 grasps protruding portion 36 with his left hand and places his right hand on the top surface of bench 32.

[0044] Next, as shown in Figure 6, bather B in wheelchair 44 pushes up with both arms to lift his or her body and move from wheelchair 44 onto the upper surface of bench 32. This places bather B in a position where his or her buttocks are resting on the upper surface of bench 32. After that, wheelchair 44 is moved out of bathroom 15 by bather B's family or other housemate. Next, as shown in Figures 7(a) and 7(b), bather B turns his or her body on the upper surface of bench 32 and places both legs into bathtub 16.

[0045] 8(a) and 8(b), bather B grasps the first straight portion 34 of the first handrail 33 with his left hand and the third handrail 40 with his right hand, and gradually lowers his body into the bathtub 16. At this time, bather B slides his buttocks down the first slope 25 toward the deepest part 27, lowering his body into the bathtub 16.

[0046] 9(a) and 9(b), bather B's buttocks are placed at or near the deepest part 27, with his back supported by the first slope 25 and his legs supported by the second slope 26. This stabilizes bather B's posture in the bathtub 16, allowing him to enjoy a relaxed bath.

[0047] 10(a) and 10(b), bather B first grasps the first straight portion 34 of the first handrail 33 with his / her left hand and the third handrail 40 with his / her right hand, and gradually pulls his / her body up along the first slope 25 using the strength of both arms. Next, as shown in FIGS. 11(a) and 11(b), bather B sits on the step 28 and adjusts his / her posture.

[0048] 12(a) and 12(b), bather B changes the position where he or she holds the first handrail 33 and the third handrail 40, and then uses the strength of both arms to lift his or her hips up to the upper edge 30 of the bathtub 16. Next, as shown in Fig. 13, bather B moves both legs out of the bathtub 16 and rotates his or her body to assume a sitting position on the top of the bench 32 with his or her back to the fourth side wall 20.

[0049] Next, as shown in Figure 14, bather B turns his / her body toward the shower faucet 23 and places his / her left leg under the sink 24. This allows bather B to wash his / her face using the sink 24 and the shower faucet 23. At this time, bather B does not need to place his / her paralyzed right leg under the sink 24.

[0050] (effect 2) Next, as an example, the operation when bather B (e.g., an elderly person) who is able to walk independently but has difficulty walking uses unit bath 11 will be described with reference to Figures 15 to 28. In this case, first handrail 33 is not needed and is therefore removed from unit bath 11.

[0051] As shown in Figure 15, bather B opens bathroom door 22, walks into bathroom 15 through doorway 21, and grabs fourth handrail 42 with his or her right hand. Next, as shown in Figure 16, bather B turns his or her body while holding onto fourth handrail 42 with both hands, turning his or her back to bench 32. Next, as shown in Figure 17, bather B sits down on bench 32 while holding onto fourth handrail 42 with both hands.

[0052] Next, as shown in Figures 18(a) and 18(b), bather B moves toward the bathtub 16 while still sitting on the bench portion 32, and then, while grasping the second handrail 38 with his / her right hand, places his / her right leg into the bathtub 16. Next, as shown in Figures 19(a) and 19(b), bather B turns his / her body and places his / her left leg into the bathtub 16. At this time, bather B grasps the second handrail 38 with his / her left hand and places his / her right hand on the upper edge surface 30 of the bathtub 16.

[0053] 20(a) and 20(b), bather B grasps the second handrail 38 with his left hand and the third handrail 40 with his right hand, and gradually lowers his body into the bathtub 16. At this time, bather B slides his buttocks down the first slope 25 toward the deepest part 27, lowering his body into the bathtub 16.

[0054] 21(a) and 21(b), bather B's buttocks are placed at or near the deepest part 27, with his back supported by the first inclined surface 25 and his legs supported by the second inclined surface 26. This stabilizes bather B's posture in the bathtub 16, allowing bather B to enjoy a relaxed bath.

[0055] When getting out of the bathtub 16, first, as shown in Figures 22(a) and 22(b), bather B bends both knees and places the soles of both feet on the pair of step portions 29. Next, as shown in Figures 23(a) and 23(b), bather B straightens both knees and, using the strength of both legs, gradually raises his / her body along the first inclined surface 25 until he / she sits on the step portion 28. This allows bather B to take a temporary rest.

[0056] Next, as shown in Figures 24(a) and 24(b), bather B bends both knees and places the soles of both feet on or near the deepest part 27. At this time, bather B grasps the second handrail 38 with his left hand and the third handrail 40 with his right hand. Next, as shown in Figures 25(a) and 25(b), bather B straightens both knees and kicks the deepest part 27 or near the deepest part 27 with the soles of his feet, lifting his hips up to the upper edge 30 of the bathtub 16.

[0057] 26(a) and 26(b), bather B shifts his / her hips toward bench 32 and removes his / her left leg from bathtub 16 and places it on the upper surface of bench 32. Next, as shown in Fig. 27, bather B removes his / her right leg from bathtub 16 and sits on the upper surface of bench 32. Next, bather B shifts his / her hips on the upper surface of bench 32 toward shower faucet 23, and then turns his / her body toward shower faucet 23.

[0058] At this time, bather B places both legs under the sink 24 while sitting on the top surface of the bench 32. This allows bather B to wash their face using the sink 24 and shower faucet 23. After that, when leaving the bathroom 15, bather B shifts their hips on the top surface of the bench 32 toward the fourth handrail 42. Next, as shown in Figure 28, bather B grabs the fourth handrail 42 with both hands. Next, bather B stands up while still holding on to the fourth handrail 42 with both hands, opens the bathroom door 22, and walks out of the bathroom 15 through the entrance 21.

[0059] <Effects of the embodiment> According to the embodiment described above in detail, the following effects are achieved. (1) The unit bath 11 includes a bathtub 16 extending in a direction X. The bathtub 16 has a first slope 25 located on one side of the direction X and supporting the back of the bather B, a second slope 26 located on the other side of the direction X and supporting the legs of the bather B, and a deepest part 27 located between the first slope 25 and the second slope 26.

[0060] With this configuration, bather B can slide his / her buttocks down first slope 25 to reach deepest part 27, so even bather B who has difficulty with everyday movements can easily enter bathtub 16. In addition, when bather B is in bathtub 16, his / her buttocks are placed at or near deepest part 27, his / her back is supported by first slope 25, and his / her legs are supported by second slope 26, so bather B's posture can be stabilized. This makes bathtub 16 easier to use.

[0061] (2) The unit bath 11 includes a first handrail 33 having a first straight portion 34 that crosses the center of the bathtub 16 in one direction X in a plan view. With this configuration, bather B can grasp the first straight portion 34 when getting in and out of the bathtub 16, making it easier for bather B to get in and out of the bathtub 16.

[0062] (3) In the unit bath 11, a bench portion 32 having an upper surface continuous with the end portion of the upper edge surface 30 of the bathtub 16 on the side of the first slope 25 is provided so as to protrude in a direction intersecting with the one direction X. The first handrail 33 is provided at the end portion of the first straight portion 34 on the side of the bench portion 32, and has a protruding portion 36 that protrudes from the upper edge surface 30 of the bathtub 16 in a plan view and is adjacent to the bench portion 32 in a plan view.

[0063] With this configuration, bather B can grasp the protrusion 36 when transferring from the wheelchair 44 to the bench portion 32, making it easier for bather B to transfer from the wheelchair 44 to the bench portion 32.

[0064] (4) In the unit bath 11, the end of the bathtub 16 on the side of the first slope 25 is bent toward the bench portion 32. According to this configuration, the end of the bathtub 16 on the side of the first slope 25 is bent toward the bench portion 32, making it easier for the bather B to enter the bathtub 16 from a position where he or she is sitting on the bench portion 32.

[0065] (5) In the unit bath 11, a second handrail 38 is provided at a position adjacent to the corner portion 39 between the upper edge surface 30 of the bathtub 16 and the upper surface of the bench portion 32 in a plan view on the upper edge surface 30 of the bathtub 16.

[0066] With this configuration, bather B can grasp the second handrail 38 when moving between the bench portion 32 and the inside of the bathtub 16, making it easier for bather B to move between the bench portion 32 and the inside of the bathtub 16.

[0067] (6) In the unit bath 11, a third handrail 40 is provided on the opposite side of the first slope 25 of the bathtub 16 from the second handrail 38 on the upper edge surface 30 of the bathtub 16 in a plan view.

[0068] With this configuration, bather B can grasp the third handrail 40 when moving between the bench portion 32 and the inside of the bathtub 16, making it easier for bather B to move between the bench portion 32 and the inside of the bathtub 16.

[0069] (7) In the unit bath 11, a fourth handrail 42 is provided between the entrance 21 and the bench portion 32 in a plan view. With this configuration, bather B can grasp the fourth handrail 42 when moving between the entrance / exit 21 and the bench section 32, making it easier for bather B to move between the entrance / exit 21 and the bench section 32.

[0070] (8) In the modular bathroom 11, the first inclined surface 25 is formed with a step portion 28. With this configuration, when bather B in bathtub 16 ascends first slope 25, bather B can easily change his / her position by sitting on step 28.

[0071] (9) In the modular bathroom 11, the second slope 26 is formed with a step portion 29. According to this configuration, bather B in the bathtub 16 can easily climb up the first slope 25 by bending his / her knees and straightening his / her knees while pushing the step portion 29 with the soles of his / her feet.

[0072] (10) In the unit bath 11, the step portion 29 is located lower than the step portion 28. According to this configuration, bather B in the bathtub 16 can bend his / her knees and extend his / her knees while pushing the step portion 29 with the soles of his / her feet, thereby making it easier for bather B in the bathtub 16 to climb up the first slope 25.

[0073] <Modification> The above embodiment is an example of the form that the unit bath 11 can take, and is not intended to limit the form. The unit bath 11 can take forms different from those illustrated in the above embodiment. Examples include forms in which part of the configuration of the embodiment is replaced, modified, or omitted, or forms in which new configurations are added to the embodiment. Modifications of the embodiment are shown below.

[0074] The step portion 29 does not necessarily have to be located at a lower position than the step portion 28. In other words, the step portion 29 may be located at the same height as the step portion 28, or may be located at a higher position than the step portion 28.

[0075] The step portion 29 may be omitted. The step portion 28 may be omitted. The fourth handrail 42 may be omitted.

[0076] The third handrail 40 may be omitted. The second handrail 38 may be omitted. The end of the bathtub 16 on the side of the first slope 25 does not necessarily have to bend toward the bench portion 32.

[0077] The bench portion 32 may be omitted. The protrusion 36 of the first handrail 33 may be omitted. In the first handrail 33, the first straight section 34 may be omitted.

[0078] The first handrail 33 may be omitted. The first handrail 33 does not necessarily have to be detachably attached inside the bathroom 15. In other words, the first handrail 33 may be fixed inside the bathroom 15.

[0079] The entrance / exit 21 may be provided in the third side wall 19 on the first side wall 17 side (near side). This specification discloses the following techniques.

[0080] [Appendix 1] A unit bath equipped with a bathtub that extends in one direction, the bathtub having a first slope located on one side of the one direction and supporting the bather's back, a second slope located on the other side of the one direction and supporting the bather's legs, and a deepest part located between the first slope and the second slope.

[0081] [Appendix 2] The unit bath described in [Appendix 1] is provided with a first handrail having a straight portion that crosses the center of the bathtub in one direction in a plan view.

[0082] [Appendix 3] The unit bath described in [Appendix 2] has a bench portion having an upper surface that is continuous with the end portion on the first slope side of the upper edge surface of the bathtub, and protrudes in a direction intersecting the one direction, and the first handrail is provided at the end portion of the straight portion on the bench portion side, and protrudes from the upper edge surface of the bathtub in a plan view, and has a protrusion adjacent to the bench portion in a plan view.

[0083] [Appendix 4] The unit bath described in [Appendix 3], wherein the end of the bathtub on the first slope side is bent toward the bench portion.

[0084] [Appendix 5] A unit bath described in [Appendix 3] or [Appendix 4], in which a second handrail is provided at a position adjacent to the corner portion between the upper edge surface of the bathtub and the upper surface of the bench portion when viewed in a plane.

[0085] [Appendix 6] A unit bath described in [Appendix 5], in which a third handrail is provided on the opposite side of the first slope of the bathtub from the second handrail on the upper edge surface of the bathtub when viewed in a plane.

[0086] [Appendix 7] The unit bath described in [Appendix 3] or [Appendix 4], wherein a fourth handrail is provided between the entrance and the bench portion in plan view.

[0087] [Appendix 8] The modular bath according to any one of [Supplementary Note 1] to [Supplementary Note 4], wherein a step is formed on the first inclined surface.

[0088] [Appendix 9] The unit bath according to [Appendix 8], wherein a step portion is formed on the second slope.

[0089] [Appendix 10] The unit bath according to [Appendix 9], wherein the step portion is located lower than the step portion. [Explanation of symbols]

[0090] 11...unit bath, 12...floor, 13...ceiling, 14...side wall, 15...bathroom, 16...bathtub, 17...first side wall, 18...second side wall, 19...third side wall, 20...fourth side wall, 21...entrance / exit, 22...bathroom door, 23...shower faucet, 24...sink, 25...first slope, 26...second slope, 27...deepest part, 28...step, 29...step, 30... Upper edge surface, 31...end portion, 32...bench portion, 33...first handrail, 34...first straight portion as an example of a straight portion, 35...second straight portion, 36...protruding portion, 37...mounting convex portion, 38...second handrail, 39...corner portion, 40...third handrail, 41...fixed convex portion, 42...fourth handrail, 43...bent portion, 44...wheelchair, B...bather, X...one direction, Y...orthogonal direction.

Claims

1. A unit bath equipped with a bathtub that extends in one direction, The bathtub is a first slope located on one side in the one direction and supporting the back of the bather; a second slope located on the other side of the one direction and supporting the legs of the bather; a deepest portion located between the first inclined surface and the second inclined surface; A first handrail having a straight portion that crosses the center portion of the bathtub in one direction in a plan view, The first inclined surface has a step portion formed thereon, The step is not provided on the side of the bathtub where the bather can enter and exit, but is located on the opposite side of the bathtub from the side where the bather can enter and exit, at the back in a direction perpendicular to the one direction, and is configured so that the bather can sit down; A bench portion having an upper surface continuous with the end portion on the first slope side of the upper edge surface of the bathtub is provided so as to protrude in a direction intersecting the one direction, The first handrail is provided at the end of the straight section on the bench side, and protrudes from the upper edge surface of the bathtub in a plan view. The first handrail has a protruding portion adjacent to the bench in a plan view. A second handrail is provided at a position adjacent to the corner portion between the upper edge surface of the bathtub and the upper surface of the bench portion in a plan view, A third handrail is provided on the opposite side of the second handrail across the first slope of the bathtub from the upper edge surface of the bathtub in a plan view. Unit bath.

2. The end of the bathtub on the first slope side is bent toward the bench portion. The unit bath according to claim 1.

3. In plan view, a fourth handrail is provided between the entrance and the bench portion. The unit bath according to claim 1.

4. A step portion is formed on the second inclined surface. The unit bath according to any one of claims 1 to 3.

5. The step portion is located lower than the step portion. The unit bath according to claim 4.

6. A unit bath equipped with a bathtub that extends in one direction, The bathtub is a first slope located on one side in the one direction and supporting the back of the bather; a second slope located on the other side of the one direction and supporting the legs of the bather; a deepest portion located between the first inclined surface and the second inclined surface; A first handrail having a straight portion that crosses the center portion of the bathtub in one direction in a plan view, A bench portion having an upper surface continuous with the end portion on the first slope side of the upper edge surface of the bathtub is provided so as to protrude in a direction intersecting the one direction, The first handrail is provided at the end of the straight section on the bench side, and protrudes from the upper edge surface of the bathtub in a plan view. The first handrail has a protruding portion adjacent to the bench in a plan view. A second handrail is provided at a position adjacent to a corner portion between the upper edge surface of the bathtub and the upper surface of the bench portion in a plan view. Unit bath.

7. A third handrail is provided on the opposite side of the second handrail across the first slope of the bathtub from the upper edge surface of the bathtub in a plan view. The unit bath according to claim 6.

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