Bathroom chair

Abstract

To provide a bathroom chair that can improve sitting comfort of a user.SOLUTION: A bathroom chair 1 comprises a seat part 10, a backrest part 20, and a frame part 30. The backrest part 20 is bent by a load. The frame part 30 supports the seat part 10 and the backrest part 20. The frame part 30 includes a backrest frame 31 arranged behind the backrest part 20, and supporting the backrest part 20. A space SP1 is provided between a front surface of the backrest part 20 and the backrest frame 31.SELECTED DRAWING: Figure 3

Description

[Technical Field]

[0001] FIELD OF THE DISCLOSURE The present disclosure relates generally to bathroom chairs, and more particularly to bathroom chairs with seats. [Background technology]

[0002] BACKGROUND ART Chairs for use in bathrooms have been known (see, for example, Patent Document 1).

[0003] Patent Document 1 describes a chair for washing the lower back, which has a seat that forms a seating surface for receiving the buttocks of a human body, and a footrest that forms a footrest surface for receiving the soles of each foot of the human body, the footrest surface being inclined so that the inside of each sole of each foot is higher than the outside, and the inclination angle of the footrest surface is fixed. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Publication No. 11-290413 Summary of the Invention [Problem to be solved by the invention]

[0005] There is a demand for improved comfort for users of chairs used in bathrooms (bathroom chairs).

[0006] The present disclosure has been made in consideration of the above-mentioned problems, and aims to provide a bathroom chair that can improve the user's sitting comfort. [Means for solving the problem]

[0007] A bathroom chair according to one embodiment of the present disclosure includes a seat, a backrest that bends under load, and a frame that supports the seat and the backrest. The frame includes a backrest frame that is disposed behind the backrest and supports the backrest. The backrest includes a plate-shaped first backrest member and a second backrest member that is disposed behind the first backrest member and connected to the backrest frame. A space is provided between the rear surface of the second backrest member and the backrest frame. The front surface of the second backrest member faces the rear surface of the first backrest member via a gap. The second backrest member is formed in a cross shape and has a first extending portion extending in the left-right direction and a second extending portion extending in the up-down direction. the second backrest member The first extension portion is The center portion of the second backrest member is curved in the left-right direction so as to protrude rearward. The portion where the first extension portion and the second extension portion intersect is The backrest frame is connected to the first backrest member in front of the second backrest member. In the left-right direction Both ends and the second backrest member The first extension portion Both ends , both ends in the up-down direction of the first backrest member and both ends of the second extension portion of the second backrest member are The seat includes a main body supported by the frame and a seat surface fitted into the main body. A first through hole is provided in the seat surface. A second through hole and a path connecting the first through hole and the second through hole are provided in the main body. When the seat surface is viewed from the thickness direction, the first through hole and the second through hole do not overlap. The path is inclined. [Effects of the Invention]

[0008] According to the present disclosure, it is possible to improve the sitting comfort of the user. [Brief explanation of the drawings]

[0009] [Figure 1] FIG. 1 is an external view of a bathroom chair according to one embodiment. [Figure 2] FIG. 2 is an external view of the bathroom chair with the seat folded up. [Figure 3] FIG. 3 is a plan view of the bathroom chair as viewed from above. [Figure 4] FIG. 4 is an external view of the bathroom chair as viewed from a different angle. [Figure 5] FIG. 5 is a front view of the bathroom chair with the seat folded up, as viewed from the front. [Figure 6] FIG. 6 is a cross-sectional view of the bathroom chair in the front-rear direction. [Figure 7] FIG. 7 is a cross-sectional view of the bathroom chair in the left-right direction. [Figure 8] FIG. 8 is an enlarged view of the folding mechanism of the bathroom chair with the seat folded. [Figure 9] FIG. 9 is an enlarged view of the folding mechanism of the bathroom chair with the seat portion of the bathroom chair in an open state. [Figure 10] FIG. 10 is an external view of a bathroom chair according to the first modification of the embodiment, seen from behind. DETAILED DESCRIPTION OF THE INVENTION

[0010] The embodiments and modifications described below are merely examples of the present disclosure, and the present disclosure is not limited to the following embodiments and modifications. Various modifications other than the following embodiments and modifications are possible depending on the design, etc., as long as they do not deviate from the technical concept of the present disclosure.

[0011] (Embodiment) Hereinafter, a bathroom chair 1 according to this embodiment will be described with reference to FIGS.

[0012] (1) Overview The bathroom chair 1 of this embodiment is, for example, a shower chair used when taking a shower in a bathroom.

[0013] In this embodiment, the bathroom chair 1 is defined as having a front-to-back direction, a left-to-right direction, and an up-to-down direction, as shown in FIG. 1. For example, in FIG. 1, the direction in which a pair of armrests 40 (described later) provided on the bathroom chair 1 are aligned is defined as the left-to-right direction, the direction perpendicular to the backrest 20 (described later) is defined as the front-to-back direction, and the direction perpendicular to both the front-to-back direction and the left-to-right direction is defined as the up-to-down direction. Although FIG. 1 shows arrows representing these directions (up, down, left, right, front, rear), these arrows are merely provided for the purpose of assisting explanation and do not have any substance. Furthermore, the definitions of the above directions are not intended to limit the manner in which the bathroom chair 1 of this embodiment can be used.

[0014] As shown in Figures 1 to 3, the bathroom chair 1 of this embodiment comprises a seat 10, a backrest 20 that bends under load, and a frame 30 that supports the seat 10 and the backrest 20. The frame 30 is disposed behind the backrest 20 and includes a backrest frame 31 that supports the backrest 20. A space SP1 is provided between the front of the backrest 20 and the backrest frame 31.

[0015] According to this configuration, a space SP1 is provided between the front surface of the backrest portion 20 and the backrest frame 31, and the backrest portion 20 bends under load, thereby improving the sitting comfort of the user.

[0016] (2) Composition Here, the configuration of the bathroom chair 1 of this embodiment will be described in detail.

[0017] As shown in Figure 1, the bathroom chair 1 comprises a seat portion 10, a backrest portion 20, a frame portion 30, a pair of armrest portions 40, a pair of rear leg frames 50, a pair of front leg rubber portions (leg rubber portions) 60, a pair of rear leg rubber portions 61, an operating portion 70, and a folding mechanism 80.

[0018] The frame portion 30 supports the seat portion 10 and the backrest portion 20. The frame portion 30 is disposed behind the backrest portion 20 and includes a backrest frame 31 that supports the backrest portion 20 (see Figures 1 and 2). An operating unit 70 is provided in the center of the backrest frame 31.

[0019] The frame portion 30 further includes a pair of first frames 32 extending downward from both left-right ends of the backrest frame 31, and a pair of front leg frames 34 arranged so that the lower ends are positioned forward of the upper ends in the up-down direction. The pair of first frames 32 and the pair of front leg frames 34 are in one-to-one correspondence.

[0020] The backrest frame 31 is disposed behind the backrest portion 20 and supports the backrest portion 20. The backrest frame 31 is screwed to the backrest portion 20. In this way, the backrest frame 31 supports the backrest portion 20.

[0021] The pair of first frames 32 are arranged so that their lower ends are positioned forward of their upper ends in the up-down direction. The pair of front leg frames 34, together with the pair of rear leg frames 50, function as legs that support a user sitting on the seat 10. A first connecting member 35 is provided between the pair of front leg frames 34. One end of the first connecting member 35 is attached to the upper part of one of the pair of front leg frames 34, and the other end of the first connecting member 35 is attached to the upper part of the other of the pair of front leg frames 34. The pair of front leg frames 34 are reinforced by the first connecting member 35.

[0022] Furthermore, the frame section 30 includes a pair of second frames 33 for connecting the pair of first frames 32 and the pair of front leg frames 34. The pair of first frames 32 and the pair of front leg frames 34 correspond one-to-one to the pair of second frames 33. One end of each of the pair of second frames 33 is connected to the lower end of the corresponding first frame 32 of the pair of first frames 32, and the other end of the second frame 33 is connected to the upper end of the corresponding front leg frame 34 of the pair of front leg frames 34. The pair of second frames 33 support the seat section 10. When the bathroom chair 1 is in use, the pair of second frames 33 are approximately parallel to the floor surface on which the bathroom chair 1 is placed. In this embodiment, the backrest frame 31, the pair of first frames 32, the pair of second frames 33, and the pair of front leg frames 34 are integrally molded.

[0023] The backrest 20 bends under load. Specifically, both left-right end portions of the backrest frame 31 bend in the front-rear direction under the load. More specifically, both left-right end portions of the backrest frame 31 bend in the front-rear direction with the center of an axis along the left-right direction as a fulcrum. A space SP1 is provided between the front surface of the backrest 20 and the backrest frame 31 (see FIG. 3).

[0024] The backrest portion 20 includes a plate-shaped first backrest member 21 and a second backrest member 22 disposed behind the first backrest member 21 and connected to a backrest frame 31. The backrest frame 31 is screwed to the second backrest member 22. The first backrest member 21 and the second backrest member 22 are made of resin. The front surface of the second backrest member 22 faces the rear surface of the first backrest member 21 via a gap SP2 (see FIG. 2).

[0025] Specifically, the second backrest member 22 is curved in the left-right direction so that its central portion protrudes rearward (see FIG. 2). The central portion of the second backrest member 22 is connected to the backrest frame 31. Both ends of the first backrest member 21 are connected to both ends of the second backrest member 22 in front of the second backrest member 22. The distance between the first backrest member 21 and the backrest frame 31 via the second backrest member 22 is, for example, a maximum of 5 mm. That is, the maximum value of the distance in the front-rear direction in the space SP1 is, for example, 5 mm. When both ends of the backrest portion 20 attempt to bend beyond the space SP1 due to a load, both ends of the backrest portion 20 come into contact with the backrest frame 31. Therefore, excessive bending of the backrest portion 20 is suppressed.

[0026] As shown in Fig. 2, the backrest portion 20 has a backrest cover 23. The backrest cover 23 is a cover that covers the first backrest member 21 and the second backrest member 22, and has cushioning properties. Note that the backrest cover 23 is omitted from Figs. 1, 3, 4, 6, and 7.

[0027] The operating unit 70 is provided behind the backrest 20. As shown in FIG. 4, the operating unit 70 includes an operating lever 71 and a holder 72. The operating lever 71 is attached to the holder 72 so as to be rotatable about an axis extending in the left-right direction. The operating lever 71 is configured to be rotatable between a state in which a stopper piece 71a of the operating lever 71 abuts against the outer surface of the holder 72 and a state in which the operating lever 71 is pulled up diagonally upward. The holder 72 is attached to the back surface of the backrest 20, i.e., the back surface of the second backrest member 22, with the backrest frame 31 sandwiched between them. Specifically, the holder 72 is fixed to the back of the second backrest member 22, sandwiching the backrest frame 31, by screws inserted through a first screw hole provided in the second backrest member 22 and a second screw hole provided in the backrest frame 31. The holder 72 is used, for example, as a handle when carrying the bathroom chair 1. In this embodiment, the underside of the holder 72 is formed with an uneven shape. The uneven shape is a curved shape when the bathroom chair 1 is viewed from behind. The uneven shape of the underside of the holder 72 fits in the hand of a person carrying the bathroom chair 1. In other words, a person carrying the bathroom chair 1 can carry the bathroom chair 1 without feeling any discomfort.

[0028] The pair of rear leg frames 50 correspond one-to-one to the pair of second frames 33. Each of the pair of rear leg frames 50 is attached to the corresponding one of the pair of second frames 33 via a folding mechanism 80. A second connecting member 51 is provided between the pair of rear leg frames 50. One end of the second connecting member 51 is connected to the upper part of one of the pair of rear leg frames 50, and the other end of the second connecting member 51 is connected to the upper part of the other of the pair of rear leg frames 50.

[0029] The pair of folding mechanisms 80 correspond one-to-one to the pair of second frames 33 and the pair of rear leg frames 50. Each of the pair of folding mechanisms 80 has a hinge 81, as shown in FIG. 8 . The hinge 81 connects the second frame 33 of the frame unit 30 to the rear leg frame 50 so that the frame unit 30 and the rear leg frame 50 are rotatable. The frame unit 30 and the rear leg frame 50 can rotate to be folded open and closed between a state in which the front leg frame 34 and the rear leg frame 50 are close to each other and a state in which the front leg frame 34 and the rear leg frame 50 are separated from each other and open. In this embodiment, a spring force is applied to the hinge 81 so that the state changes from the state in which the front leg frame 34 and the rear leg frame 50 are separated from each other and open to a state in which the front leg frame 34 and the rear leg frame 50 are close to each other.

[0030] The pair of armrests 40 are provided one-to-one on the pair of first frames 32 (see FIG. 1). The pair of armrests 40 are configured to be rotatable around an axis along the left-right direction. The pair of armrests 40 are configured to be rotatable between a state in which the tip of each armrest 40 faces forward and a state in which the tip of each armrest 40 faces upward.

[0031] The seat 10 is configured to be able to change between a first state (see FIG. 1 ) in which the seat 10 is open so that a user can sit on it, and a second state (see FIG. 2 ) in which the seat 10 is closed so that a user cannot sit on it. The seat 10 is positioned between a pair of armrests 40. Specifically, the seat 10 is positioned between the pair of armrests 40 in both the first and second states. More specifically, the seat 10 is positioned between the pair of armrests 40 when the bathroom chair 1 is viewed from above and from the front in both the first and second states. In other words, the seat 10 is positioned so as not to overlap with the pair of armrests 40 when the bathroom chair 1 is viewed from above and from the front in both the first and second states.

[0032] When the front leg frame 34 and the rear leg frame 50 are in an open position away from each other, the seat 10 is in a first state. When the front leg frame 34 and the rear leg frame 50 are in a close position to each other, the seat 10 is in a second state.

[0033] The seat 10 is formed so that the center of the seat 10 (the seat surface 11) is recessed in both the left-right direction and the front-rear direction (see Figs. 6 and 7). A through-hole 101 (hereinafter referred to as the first through-hole 101) is provided in the center of the seat 10 (see Fig. 1).

[0034] The seat 10 includes a seat surface 11 and a main body 12. The main body 12 is a rectangular member, for example, a plastic member. The main body 12 is supported at both left and right ends by a pair of second frames 33. The seat surface 11 is formed in the same shape as the main body 12 and is fitted into the main body 12. The seat surface 11 is, for example, a cushion member.

[0035] The seat 10 includes a locking mechanism 13. The locking mechanism 13 is provided in the center of the underside of the main body 12, i.e., the surface opposite to the surface on which the seat 11 is disposed. As shown in Figures 4 and 5, the locking mechanism 13 includes a locking member 13a and a casing 13b.

[0036] The casing 13b is formed in a box shape with openings on the top and front, and is provided on the bottom surface of the main body 12 so as to expose the front end of the locking member 13a.

[0037] One end of a wire (not shown) connected to the operating unit 70 is connected to the rear end of the locking member 13a in the front-rear direction. The front end of the locking member 13a in the front-rear direction is configured to engage with the first connecting member 35. The upper end of the locking member 13a is provided on the underside of the seat 10, i.e., the underside of the main body 12. Specifically, the locking member 13a is rotatable about an axis extending in the left-right direction. The locking member 13a is configured to be rotatable in conjunction with the operation of an operating lever 71 of the operating unit 70 between a state in which the front end of the locking member 13a engages with the first connecting member 35 and a state in which the front end of the locking member 13a does not engage with the first connecting member 35. More specifically, when the stopper piece 71a of the operating lever 71 abuts against the outer surface of the holder 72, the front end of the locking member 13a in the locking mechanism 13 is engaged with the first connecting member 35. When the operating lever 71 is pulled diagonally upward, the front end of the locking member 13a of the locking mechanism 13 is not engaged with the first connecting member 35. When the operating lever 71 is operated while the stopper piece 71a is in contact with the outer surface of the holder 72, the wire is pulled toward the operating lever 71. When the wire is pulled toward the operating lever 71, the locking member 13a is pulled and rotated. As a result, the state changes between a state in which the front end of the locking member 13a is engaged with the first connecting member 35 and a state in which the front end of the locking member 13a is not engaged with the first connecting member 35.

[0038] Furthermore, when the front end of the locking member 13a is engaged with the first connecting member 35, the seat 10 is in the first state. As described above, a spring force acts on the hinge 81 so as to change the state from a state in which the front leg frame 34 and the rear leg frame 50 are separated and open to a state in which the front leg frame 34 and the rear leg frame 50 are close to each other. However, when the seat 10 is in the first state, the front end of the locking member 13a is engaged with the first connecting member 35, so the spring force is suppressed. As a result, the seat 10 can be maintained in the first state.

[0039] When the front end of the locking member 13a is no longer engaged with the first connecting member 35, the spring force cannot be suppressed, and the spring force causes the front leg frame 34 and the rear leg frame 50 to move from an open, separated state to a state in which the front leg frame 34 and the rear leg frame 50 are closer to each other. In other words, the seat 10 moves from the first state to the second state. Therefore, the bathroom chair 1 can be easily folded by operating the operating unit 70.

[0040] The seat 11 is provided with the above-mentioned first through hole 101. As shown in FIG. 3, the first through hole 101 has a substantially rectangular shape. In this embodiment, the first through hole 101 has an elongated hole shape. A circular second through hole 102 is provided on the lower surface of the main body 12 between one end in the left-right direction and the locking mechanism 13 (see FIG. 5). A path 103 is formed on the upper surface of the main body 12, connecting the first through hole 101 and the second through hole 102 when the seat 11 is fitted into the main body 12. This allows the first through hole 101 and the second through hole 102 to communicate with each other.

[0041] The seat portion 10 further has a shaft portion 14 extending in the left-right direction at the rear of the seat portion 10 (main body portion 12 thereof) for connecting to the frame portion 30 (see Figures 5 and 8). One of both ends of the shaft portion 14 is connected to one of the pair of second frames 33, and the other of both ends of the shaft portion 14 is connected to the other of the pair of second frames 33. The shaft portion 14 is rotatably connected to the pair of second frames 33.

[0042] As shown in FIGS. 8 and 9, the seat 10 further has a pair of first protrusions 121 at the rear end of the seat 10 (main body 12 thereof). The pair of first protrusions 121 are provided along the left-right direction at the rear end of the main body 12. The pair of first protrusions 121 are provided at the rear end of the main body 12 so as to protrude rearward from the left-right ends. Each of the pair of first protrusions 121 has a first tapered surface 122 at the end of the lower surface of the first protrusion 121 that approaches the upper surface of the first protrusion 121 as it approaches the tip (see FIG. 9). Here, the upper surface of the first protrusion 121 is the upper surface of two surfaces that face each other in the up-down direction when the seat 10 is in the first state, and the lower surface of the first protrusion 121 is the lower surface of two surfaces that face each other in the up-down direction when the seat 10 is in the first state.

[0043] The bathroom chair 1 also has a pair of second protrusions 90 that protrude upward at both ends of the second connecting member 51 described above (see Figures 5, 8, and 9). Each of the pair of second protrusions 90 has a first member 91 and a second member 92. The lower end of the first member 91 is connected to the second connecting member 51. The first member 91 is provided so as to protrude upward. The second member 92 is provided on the first member 91 so as to protrude toward the center of the second connecting member 51 (see Figures 8 and 9). The second member 92 has a second tapered surface 93 that slopes from rear to front as it moves from bottom to top.

[0044] The pair of first protrusions 121 are provided at the rear end of the seat 10 (main body 12) so as to be positioned between the pair of first members 91 of the pair of second protrusions 90. Furthermore, the pair of first protrusions 121 and the pair of second protrusions 90 are arranged so that the first tapered surface 122 and the second tapered surface 93 are in contact when the seat 10 is in the second state, and the first tapered surface 122 and the second tapered surface 93 are separated when the seat 10 is in the first state (see FIGS. 8 and 9). When the seat 10 is in the second state, the first tapered surface 122 and the second tapered surface 93 are in contact, thereby suppressing further rotation of the seat 10 due to the spring force of the hinge 81 of the folding mechanism 80.

[0045] The pair of front leg rubber parts 60 correspond one-to-one to the pair of front leg frames 34. Each of the pair of front leg rubber parts 60 is provided at the lower end of the corresponding one of the pair of front leg frames 34. In other words, the pair of front leg rubber parts 60 are provided one-to-one to the lower ends of the pair of front leg frames 34.

[0046] The lower surface of each of the pair of front leg rubber parts 60 has a first surface 601 and a second surface 602 aligned in the front-to-rear direction (see FIG. 6). The plane direction of the first surface 601 of the front leg rubber part 60 and the plane direction of the second surface 602 of the front leg rubber part 60 intersect.

[0047] The first surface 601 of the front leg rubber part 60 is formed so as to be perpendicular to the central axis C1 of the corresponding one of the pair of front leg frames 34 (see Figure 6). The second surface 602 of the front leg rubber part 60 is formed so as to slope upward from the rear end of the first surface 601 of the front leg rubber part 60 toward the rear, and is parallel to the seat part 10 when the seat part 10 is in the first state. The second surface 602 of the front leg rubber part 60 has an uneven shape.

[0048] The pair of rear leg rubber parts 61 correspond one-to-one to the pair of rear leg frames 50. Each of the pair of rear leg rubber parts 61 is provided at the lower end of the corresponding one of the pair of rear leg frames 50. In other words, the pair of rear leg rubber parts 61 are provided one-to-one at the lower ends of the pair of rear leg frames 50.

[0049] The lower surface of each of the pair of rear leg rubber parts 61 has a first surface 611 and a second surface 612 aligned in the front-to-rear direction (see FIG. 6). Specifically, the second surface 612 is located forward of the first surface 611. The surface direction of the first surface 611 of the rear leg rubber part 61 and the surface direction of the second surface 612 of the rear leg rubber part 61 intersect with each other.

[0050] The first surface 611 of the rear leg rubber part 61 is formed so as to be perpendicular to the central axis C2 of the corresponding one of the pair of rear leg frames 50 (see Figure 6). The second surface 612 of the rear leg rubber part 61 is formed so as to slope upward from the front end of the first surface 611 of the rear leg rubber part 61 toward the front, and so as to be parallel to the seat part 10 when the seat part 10 is in the first state. The second surface 612 of the rear leg rubber part 61 has an uneven shape.

[0051] Since the front leg rubber parts 60 have a first surface 601 and the rear leg rubber parts 61 have a first surface 611, the first surface 601 of the front leg rubber parts 60 and the first surface 611 of the rear leg rubber parts 61 are more likely to come into surface contact with the floor surface when the seat part 10 is in the second state. Also, since the front leg rubber parts 60 have a second surface 602 and the rear leg rubber parts 61 have a second surface 612, the second surface 602 of the front leg rubber parts 60 and the second surface 612 of the rear leg rubber parts 61 are more likely to come into surface contact with the floor surface when the seat part 10 is in the first state. Furthermore, since the second surface 602 of the front leg rubber parts 60 and the second surface 612 of the rear leg rubber parts 61 have an uneven shape, the second surface 602 of the front leg rubber parts 60 and the second surface 612 of the rear leg rubber parts 61 are less likely to slip when they come into surface contact with the floor surface.

[0052] (3) Effects As described above, the bathroom chair 1 of this embodiment comprises a seat 10, a backrest 20 that bends under load, and a frame 30 that supports the seat 10 and the backrest 20. The frame 30 is disposed behind the backrest 20 and includes a backrest frame 31 that supports the backrest 20. A space SP1 is provided between the front of the backrest 20 and the backrest frame 31.

[0053] According to this configuration, a space SP1 is provided between the front surface of the backrest portion 20 and the backrest frame 31, and the backrest portion 20 bends under load, thereby improving the sitting comfort of the user.

[0054] The backrest portion 20 of the embodiment includes a plate-shaped first backrest member 21 and a second backrest member 22. The second backrest member 22 is disposed behind the first backrest member 21 and connected to the backrest frame 31. The front surface of the second backrest member 22 faces the rear surface of the first backrest member 21 via a gap SP2. More specifically, the second backrest member 22 is curved in the left-right direction so that its central portion protrudes rearward. The central portion of the second backrest member 22 is connected to the backrest frame 31. At the front of the second backrest member 22, both end portions of the first backrest member 21 and both end portions of the second backrest member 22 are connected to each other.

[0055] With this configuration, when a rearward force is applied to the backrest portion 20, not only do both ends of the backrest portion 20 bend, but the center portion of the first backrest member 21 is displaced toward the second backrest member 22. This provides cushioning between the first backrest member 21 and the second backrest member 22, and further improves the fit when the user leans against the backrest portions (20, 20A). As a result, the user's sitting comfort can be improved.

[0056] (4) Variations Modifications will be described below. The modifications described below can be applied in appropriate combination with the above embodiment.

[0057] (4.1) Variation 1 The backrest frame 31 is configured to be integrally molded with a pair of first frames 32, a pair of second frames 33, and a pair of front leg frames 34. However, this configuration is not limiting. The backrest frame 31 may be configured as a separate body from the pair of first frames 32, the pair of second frames 33, and the pair of front leg frames 34.

[0058] A bathroom chair 1A according to the first modification is shown in Fig. 10. The same components as those in the embodiment are given the same reference numerals, and the description thereof will be omitted.

[0059] The bathroom chair 1A includes a frame portion 30A. The frame portion 30A has a pair of frames 301. Each of the pair of frames 301 includes a first frame 32, a second frame 33, and a front leg frame .

[0060] Furthermore, the frame portion 30A further includes a backrest frame 31A. The backrest frame 31A is configured separately from the pair of frames 301. Both ends of the backrest frame 31A correspond one-to-one to the pair of frames 301. One end of the backrest frame 31A is configured to be attachable to the corresponding frame 301 of the pair of frames 301, and the other end of the backrest frame 31A is configured to be attachable to the corresponding frame 301 of the pair of frames 301. When the backrest frame 31A is attached to the pair of frames 301, it is attached below the tip of the first frame 32 of each of the pair of frames 301. In other words, when the backrest frame 31A is attached to the pair of frames 301, the tip of the first frame 32 of each of the pair of frames 301 protrudes upward relative to the backrest frame 31A.

[0061] In addition to the components of the embodiment (first backrest member 21, second backrest member 22, and backrest cover 23), the backrest 20A also includes a pair of attachment members 25 that protrude rearward from both left and right ends of the backrest 20A. The pair of attachment members 25 correspond one-to-one to the pair of frames 301. Each of the pair of attachment members 25 is configured to be attachable to the corresponding one of the pair of frames 301. Specifically, each of the pair of attachment members 25 is configured to be attachable to the tip of the first frame 32 of the corresponding one of the pair of frames 301, i.e., to a portion that protrudes upward relative to the backrest frame 31A. This makes the backrest 20A replaceable. This improves the dress-up performance of the backrest 20A.

[0062] (4.2) Variation 2 The backrest 20 may be made of mesh fabric. In this case, a space SP1 is also provided between the front surface of the backrest 20 made of mesh fabric and the backrest frame 31.

[0063] (4.3) Variation 3 The bathroom chair 1 may be configured to be adjustable in height. Specifically, the front leg frame 34 and the rear leg frame 50 may be configured so that the length of the front leg frame 34 and the length of the rear leg frame 50 are adjustable.

[0064] (summary) As described above, the bathroom chair (1, 1A) of the first aspect includes a seat (10), a backrest (20, 20A) that bends under load, and a frame (30, 30A) that supports the seat (10) and the backrest (20, 20A). The frame (30, 30A) is disposed behind the backrest (20, 20A) and includes a backrest frame (31, 31A) that supports the backrest (20, 20A). A space (SP1) is provided between the front of the backrest (20, 20A) and the backrest frame (31, 31A).

[0065] According to this configuration, a space (SP1) is provided between the front surface of the backrest portion (20) and the backrest frame (31), and the backrest portion (20) bends under load, thereby improving the comfort of the user.

[0066] In the bathroom chair (1) of the second embodiment, in the first embodiment, the backrest portion (20) includes a plate-shaped first backrest member (21) and a second backrest member (22) disposed behind the first backrest member (21) and connected to the backrest frame (31). The front surface of the second backrest member (22) faces the rear surface of the first backrest member (21) via a gap (SP2).

[0067] This configuration allows cushioning to be provided between the first backrest member (21) and the second backrest member (22), thereby improving the comfort of the user.

[0068] In the bathroom chair (1) of the third embodiment, in the second embodiment, the second backrest member (22) is curved in the left-right direction so that the central portion protrudes rearward. The central portion of the second backrest member (22) is connected to the backrest frame (31). In front of the second backrest member (22), both ends of the first backrest member (21) and both ends of the second backrest member (22) are connected.

[0069] This configuration can reduce the feeling of hitting the bottom when the user leans against the backrest (20, 20A). That is, it can improve the feeling of fit when the user leans against the backrest (20, 20A). As a result, it is possible to improve the sitting comfort of the user.

[0070] In the bathroom chair (1, 1A) of the fourth aspect, in any one of the first to third aspects, the seat (10) is formed so that the center of the seat (10) is recessed in both the left-right direction and the front-back direction, and a through-hole (101) is provided in the center of the seat (10).

[0071] This configuration allows for better drainage, which reduces the likelihood of mold growing on the bathroom chair (1, 1A). Furthermore, the seat (10) is recessed in the center, which provides a more comfortable feel for the user's buttocks when sitting on the seat (10).

[0072] The bathroom chair (1, 1A) of the fifth aspect is the same as any one of the first to fourth aspects, and further includes a pair of armrests (40). The frame portion (30, 30A) further includes a pair of frames (e.g., first frames 32) extending downward from both left-right ends of the backrest frame (31, 31A). The pair of armrests (40) are provided one-to-one on the pair of frames (e.g., first frames 32). The seat portion (10) is disposed between the pair of armrests (40). The seat portion (10) is configured to be able to change its state between a first state in which the seat portion (10) is open so that a user can sit on it, and a second state in which the seat portion (10) is closed so that a user cannot sit on it.

[0073] According to this configuration, when the seat portion (10) is in the second state, the thickness in the front-rear direction can be reduced.

[0074] The bathroom chair (1, 1A) of the sixth aspect is any one of the first to fifth aspects, and further includes a pair of leg rubber parts (e.g., front leg rubber parts 60). The frame part (30, 30A) further includes a pair of leg frames (e.g., front leg frames 34) arranged so that the lower end is located forward of the upper end in the up-down direction. The seat part (10) is configured to be able to change between a first state in which the seat part is open so that a user can sit on it, and a second state in which the seat part (10) is closed so that a user cannot sit on it. The pair of leg rubber parts are provided one-to-one at the lower ends of the pair of leg frames. The lower surfaces of the pair of leg rubber parts each have a first surface (601) and a second surface (602) aligned in the front-to-rear direction, and the surface direction of the first surface (601) and the surface direction of the second surface (602) intersect.

[0075] With this configuration, the surface of the seat (10) that comes into contact with the floor can be changed between when the seat (10) is in the first state and when the seat (10) is in the second state.

[0076] In the seventh embodiment of the bathroom chair (1, 1A), in the sixth embodiment, the first surface (601) is formed so as to be perpendicular to the central axis (C1) of the corresponding leg frame of the pair of leg frames. The second surface (602) is formed so as to be inclined upward from the rear end of the first surface (601) toward the rear, and so as to be parallel to the seat (10) when the seat (10) is in the first state.

[0077] With this configuration, when the seat (10) is in the first state, i.e., when a user is sitting on the seat (10) to use the bathroom chair (1, 1A), the second surface (602) comes into contact with the floor, making it possible to stabilize the bathroom chair (1, 1A) depending on the time of use. Also, when the seat (10) is in the second state, i.e., when a user is sitting on the seat (10) and not using the bathroom chair (1, 1A), the first surface (601) comes into contact with the floor, making it possible to stabilize the bathroom chair (1, 1A) when leaning it against a wall or the like.

[0078] In the bathroom chair (1, 1A) of the eighth aspect, in the sixth or seventh aspect, the second surface (602) has an uneven shape.

[0079] According to this configuration, the second surface (602) has an uneven shape, which prevents the bathroom chair (1, 1A) from slipping when a user uses the bathroom chair (1, 1A) by sitting on the seat (10). [Explanation of symbols]

[0080] 1,1A bathroom chair 10 Seat area 20, 20A Backrest 21 First backrest member 22 Second backrest member 30,30A frame part 31,31A Backrest frame 32 First Frame (Frame) 33 2nd Frame 34 Front leg frame 40 Armrest 60 Front leg rubber part (leg rubber part) 101 through hole, first through hole 601 1st page 602 2nd page C1 center axis SP1 Space SP2 Gap

Claims

1. A seat and a backrest portion that bends under load; a frame portion supporting the seat portion and the backrest portion, the frame portion is disposed behind the backrest portion and includes a backrest frame that supports the backrest portion, the backrest portion includes a plate-shaped first backrest member and a second backrest member disposed behind the first backrest member and connected to the backrest frame, A space is provided between the rear surface of the second backrest member and the backrest frame, a front surface of the second backrest member facing a rear surface of the first backrest member via a gap; The second backrest member is formed in a cross shape having a first extending portion extending in the left-right direction and a second extending portion extending in the up-down direction, the first extending portion of the second backrest member is curved in the left-right direction so that a central portion thereof protrudes rearward, a portion where the first extension portion and the second extension portion intersect, which is the central portion of the second backrest member, is connected to the backrest frame; In front of the second backrest member, both ends of the first backrest member in the left-right direction are connected to both ends of the first extension portion of the second backrest member, and both ends of the first backrest member in the up-down direction are connected to both ends of the second extension portion of the second backrest member, the seat portion includes a main body portion supported by the frame portion and a seat surface fitted into the main body portion, The seating surface is provided with a first through hole, the main body portion is provided with a second through hole and a path connecting the first through hole and the second through hole; When viewed from the thickness direction of the seat surface, the first through hole and the second through hole do not overlap, The path is inclined. Bathroom chair.

2. The seat portion is configured so that the center of the seat portion is recessed in both the left-right direction and the front-rear direction. formed in The bathroom chair according to claim 1.

3. Further provided with a pair of armrests, The frame portion further includes a pair of frames extending downward from both ends of the backrest frame in the left-right direction, The pair of armrests are provided one-to-one on the pair of frames, The seat portion is Located between the pair of armrests, The seat is configured to be capable of being changed between a first state in which the seat is open so that a user can sit on it, and a second state in which the seat is closed so that a user cannot sit on it.

3. The bathroom chair according to claim 1 or 2.

4. Further provided with a pair of leg rubber parts, the frame portion further includes a pair of leg frames arranged such that a lower end is positioned forward of an upper end in the vertical direction, The seat is configured to be capable of being displaced between a first state in which the seat is open so that a user can sit on it, and a second state in which the seat is closed so that a user cannot sit on it, the pair of leg rubber parts are provided one-to-one at the lower ends of the pair of leg frames, The lower surfaces of the pair of leg rubber parts are The plate has a first surface and a second surface aligned in the front-rear direction, and the surface direction of the first surface intersects with the surface direction of the second surface. The bathroom chair according to any one of claims 1 to 3.

5. the first surface is formed so as to be perpendicular to a central axis of the corresponding one of the pair of leg frames; The second surface is inclined upward from the rear end of the first surface toward the rear, and is formed to be parallel to the seat portion when the seat portion is in the first state. The bathroom chair according to claim 4.

6. The second surface has an uneven shape.

6. A bathroom chair according to claim 4 or 5.

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