JP7240955B2 - bathroom chair - Google Patents

Description

The present invention relates to bathroom chairs.

2. Description of the Related Art Conventionally, a bathroom chair used by an elderly person, a person requiring nursing care, or the like to sit in a bathroom has been known. Patent Literature 1 discloses a configuration in which the seat of a bathroom chair includes a substrate and a seat cushion detachably mounted on the substrate. In the seat of Patent Document 1, a protrusion is provided on the rear surface of the seat cushion, and a hole into which the protrusion is fitted is provided in the substrate. The seat cushion is detachably attached to the substrate by fitting the protrusion of the seat cushion into the hole of the substrate. As a result, the seat cushion can be removed from the substrate and washed.

JP-A-2003-47535

By the way, in the seat portion of Patent Document 1, it is conceivable to provide a drainage structure for guiding the water to the back side of the seat portion when the surface of the seat portion is splashed with water. In this case, for example, it is conceivable to provide a through hole extending vertically in the seat cushion and a through hole extending vertically continuously from the through hole in the substrate. With such a configuration, water on the seat can be discharged to the back side of the seat through the through holes of the seat cushion and the substrate.

Here, in the seat portion of Patent Document 1, since the seat portion cushion is attached to the substrate by fitting the protrusion and the recess portion, there is a slight gap between the seat cushion and the substrate. expected to occur. In this case, if water on the seat flows down through the through-hole of the seat cushion, the water may enter the gap. As a result, dirt such as mold may occur in the gap.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has a configuration in which a seat includes a seat main body and a seat cushion detachably attached to the seat main body. A main object of the present invention is to provide a chair for a bathroom that can suppress the formation of stains such as mold in the gap between the chair and the cushion.

In order to solve the above problems, a bathroom chair according to a first invention comprises a leg frame and a seat portion supported by the leg frame, wherein the seat portion is a plate-shaped seat attached to the leg frame. It has a seat body and a seat cushion detachably mounted on the seat body, and the seat cushion is formed with a drain hole penetrating from the front surface to the back surface. The main body is formed with a drain for guiding water that has flowed down through the drain hole to the back side of the seat body, and the back surface of the seat cushion protrudes downward from the periphery of the drain hole. A ridge portion is provided, and the entire circumference of the lower end of the ridge portion enters the drainage portion or is positioned directly above the drainage portion.

According to the present invention, when the surface of the seat cushion is splashed with water, the water flows down through the drainage hole formed in the seat cushion. Then, the water is led to the back surface side of the seat main body through the drainage provided in the seat main body. In the configuration having such a drainage structure, in the present invention, a protrusion projecting downward from the periphery of the drainage hole is provided on the back surface of the seat cushion, and the entire circumference of the lower end of the protrusion is provided. It is located in or directly above the drainage provided in the seat body. In this case, it is possible to prevent the water flowing down through the drain hole from entering the gap between the seat cushion and the seat main body, so that the formation of mold or other stains in the gap can be suppressed. can.

According to a second aspect of the invention, there is provided a bathroom chair according to the first aspect, wherein one of the seat main body and the seat cushion is provided with a projection projecting toward the other, and the other is provided with a protrusion that projects toward the other. A hole into which a protrusion is fitted is provided, and the seat cushion is detachably attached to the seat main body by fitting the protrusion into the hole.

According to the present invention, the seat cushion is detachably attached to the seat main body by fitting the protrusion provided on one of the seat cushion and the seat main body into the hole provided on the other. It is designed to be With such a configuration, a gap is likely to occur between the seat main body and the seat cushion, and therefore, it is thought that water flowing down from the water drain hole is likely to enter the gap. In this respect, according to the present invention, since the ridge portion extending downward from the peripheral portion of the drain hole is provided in such a configuration, it is possible to suitably suppress the formation of dirt such as mold in the gap in such a configuration. .

According to a third aspect of the invention, there is provided a bathroom chair according to the first or second aspect, wherein the drainage part is formed in a concave shape that is open on the surface of the seat body, and the water flowing down through the drain hole is removed. and a drainage hole extending downward from the drainage channel at a position different from the drain hole in plan view and opening at the back surface of the seat body, and the drainage channel is the The bottom surface is inclined downward toward the drain hole.

By the way, in order to properly drain the water on the seat cushion, it is desirable to form the drain hole of the seat cushion on the center side of the seat surface. On the other hand, mechanical parts are often provided directly below the central side of the seat surface in the seat main body. Therefore, it is considered difficult to directly discharge the water that flows down through the drainage hole directly downward through the drainage part. Therefore, in the present invention, in view of such a point, the drain section is configured to have a concave drain channel and a drain hole. With such a configuration, water that has flowed down through the drainage hole of the seat cushion flows down into the drainage channel of the seat body, and is then guided to the drainage hole through the drainage channel. Then, water is discharged to the back side of the seat main body through this drain hole. In this case, since the drain hole can be set at a position different from the position directly below the drain hole, even if there is a mechanical component at the position directly below the drain hole, the mechanical component is avoided for drainage. It can be carried out.

Further, according to the present invention, in the configuration having such a drainage structure, the bottom surface of the drainage channel is inclined downward toward the drainage hole. In this case, the water that has flowed down to the drainage channel through the drainage hole can be smoothly led to the drainage hole through the drainage channel. As a result, it is possible to prevent water from accumulating in the drainage channel, and as a result, it is possible to prevent the drainage channel from being stained with mold or the like.

A bathroom chair according to a fourth aspect of the present invention is characterized in that, in the third aspect, the seat portion has a deployed state in which the seat surface formed by the surface of the seat portion cushion faces upward, and a folded state in which the seat surface faces the front-rear direction. , and in the folded state of the seat portion, the drainage hole is arranged below the drain hole, and the drainage channel is arranged to extend downward toward the drainage hole. , is characterized by

According to the present invention, when the seat portion is folded, the drain hole is arranged below the drain hole, and the drain channel extends downward toward the drain hole. It can lead smoothly. As a result, it is possible to further suppress the occurrence of contamination in the drainage channel.

According to a fifth aspect of the present invention, there is provided a bathroom chair according to the fourth aspect, wherein the drain hole is formed so as to slope downward toward the back side of the seat main body when the seat is in the folded state. characterized by

According to the present invention, when the seat is folded, the drain holes are inclined downward toward the back side of the seat main body, so that water can be smoothly drained through the drain holes.

A sixth aspect of the present invention is a bathroom chair according to any one of the third to fifth aspects, wherein a draining portion protruding downward from the peripheral edge portion of the drain hole is provided on the back surface of the seat main body, It is characterized by

According to the present invention, since the back surface (lower surface) of the seat main body is provided with the draining portion that protrudes downward from the peripheral edge of the drain hole, water flowing down through the drain hole is suppressed from being transmitted to the back surface of the seat main body. can do. As a result, it is possible to suppress the occurrence of stains such as mold on the back surface of the seat main body.

A seventh aspect of the present invention is a bathroom chair according to any one of the first to sixth aspects, wherein the surface of the seat cushion is formed with a mortar-shaped depression, and the drain hole is located in the seat portion. The cushion is characterized in that only one is provided at the bottom of the recess.

According to the present invention, since only one drainage hole is provided in the seat cushion, dirt around the drainage hole can be easily cleaned. In addition, since the drain hole is provided at the bottom of the recess formed on the surface of the seat cushion, even if there is only one drain hole, the water accumulated on the surface of the seat cushion is guided to the drain hole. It can be discharged favorably.

The perspective view which looked at the chair for bathrooms from diagonally above. The perspective view which looked at the chair for bathrooms from the diagonally downward direction. Fig. 10 is a side view of the bathroom chair, showing the bathroom chair with its legs spread and the seat unfolded; Fig. 2 is a side view of the bathroom chair, showing the bathroom chair with its legs closed and the seat folded; The top view which shows a chair for a bathroom. Fig. 2 is a plan view showing the bathroom chair with the seat cushion removed; The bottom view which shows a chair for a bathroom. (a) is a perspective view showing a seat cushion, and (b) is a perspective view showing a seat main body. FIG. 5 is a cross-sectional view along the line AA of FIG. 5; 5A is a cross-sectional view taken along the line BB of FIG. 5, and FIG. 5B is a cross-sectional view taken along the line CC of FIG. Fig. 2 is a front view of the bathroom chair, showing the bathroom chair in a closed state with the seat portion folded; FIG. 11 is a cross-sectional view taken along line DD of FIG.

An embodiment embodying the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of the bathroom chair seen obliquely from above, and FIG. 2 is a perspective view of the bathroom chair seen obliquely from below. 3 and 4 are both side views of the bathroom chair. 1 to 3 show a state in which the legs of the bathroom chair are opened and the seat is unfolded, and FIG. 4 shows a state in which the legs of the bathroom chair are closed and the seat is folded.

Further, in the following description, front, back, left, and right are referred to with reference to the state in which the user sits on the bathroom chair. In addition, unless otherwise specified, the following description refers to the configuration of the bathroom chair in a state in which the legs are spread and the seat portion is unfolded (that is, the state shown in FIGS. 1 to 3).

As shown in FIGS. 1 to 4, the bathroom chair 10 includes a leg frame 11, and a seat portion 12 and a backrest portion 13 attached to the leg frame 11. As shown in FIGS. The leg frame 11 has a front leg frame 15 and a rear leg frame 16 . Each of these leg frames 15 and 16 is formed of a metal pipe material.

The front leg frame 15 has a pair of left and right front legs 17 and a backrest frame 18 provided by connecting the front legs 17 . Each front leg 17 extends so as to incline rearward as it goes upward, and a cap 19 made of resin is attached to its lower end. Further, the backrest frame 18 is formed in a U-shape having a pair of vertical frame portions extending upward from each front leg portion 17 and a horizontal frame portion connecting the upper ends of the respective vertical frame portions.

The rear leg frame 16 has a pair of left and right rear leg portions 21 . Each rear leg portion 21 extends so as to incline forward as it goes upward, and a cap 22 made of resin is attached to the lower end portion of the rear leg portion 21 .

The front leg portion 17 of the front leg frame 15 and the rear leg portion 21 of the rear leg frame 16 are rotatably connected via a rotation shaft 23 extending left and right at an intersection where they intersect each other. As a result, the front leg frame 15 and the rear leg frame 16 are rotatable with respect to each other about the rotation shaft 23, and the rotation causes the lower portions of the legs to separate from each other (the state shown in FIG. 3). It is possible to shift to the closed leg state (the state shown in FIG. 4) in which the mutual lower parts approach each other. In the closed state, the leg frames 15 and 16 are folded, and in the folded state, the bathroom chair 10 can stand on its own.

The seat portion 12 includes a plate-shaped seat portion body 25 made of a resin material and a plate-shaped seat cushion 26 attached to the upper surface side of the seat portion body 25 . The seat main body 25 and the seat cushion 26 are both substantially rectangular in plan view, and have substantially the same shape and size in plan view. The seat cushion 26 is made of a waterproof cushioning material, and its upper surface serves as a seat surface 27 on which the user sits.

The seat body 25 is rotatably supported by a connecting frame 28 that connects the front leg portions 17 of the front leg frame 15 . As a result, the seat main body 25 and thus the seat 12 can be rotated upward about the connecting frame 28 as a rotation axis, and can be folded with respect to the leg frame 11 by this rotation. That is, the seat portion 12 can be switched between an unfolded state in which the seat surface 27 faces upward (state shown in FIG. 3) and a folded state in which the seat surface 27 faces forward (state shown in FIG. 4). The seat portion 12 is arranged in a horizontal orientation in the unfolded state, and arranged in an orientation extending in the vertical direction in the folded state. More specifically, in the folded state, the seat portion 12 is arranged in an orientation that inclines rearward as it goes upward.

In this embodiment, when the front leg frame 15 and the rear leg frame 16 are opened, the seat portion 12 is opened and the front leg frame 15 and the rear leg frame 16 are closed. A configuration is adopted in which the seat portion 12 is folded in conjunction with this.

A locking mechanism 31 is provided on the back side of the seat main body 25 to engage the seat 12 with the leg frame 11 to hold the seat 12 in the unfolded state. The locking mechanism 31 is arranged in the central portion on the back side of the seat main body 25 . The locking mechanism 31 includes an engaging portion 32 that can be engaged with the connecting frame 29 that connects the front leg portions 17 of the front leg frames 15 , and an accommodating portion 33 that accommodates the engaging portion 32 . The engaging portion 32 has an engaging position (indicated by a solid line in FIG. 2) at which the engaging portion 32 is engaged with the connecting frame 29 from below, and an engagement disengaging position (indicated by a two-dot chain line in FIG. 2) at which the engagement is released. and can be displaced between The engaging portion 32 is biased toward the engaging position by a coil spring (not shown), and is thereby always positioned at the engaging position. When the engaging portion 32 is at the engaging position, the engaging portion 32 and thus the seat portion 12 are engaged with the connecting frame 29 from below. In this case, the seat portion 12 is in a locked state in which upward rotation is prohibited, and the unfolded state of the seat portion 12 is thereby maintained.

On the other hand, when the engaging portion 32 is displaced to the disengagement position, the engagement of the engaging portion 32 with the connecting frame 29 is released, and thus the engagement of the seat portion 12 is released. As a result, the seat portion 12 is brought into an unlocked state in which upward rotation is permitted, and transition from the unfolded state to the folded state is possible. Further, the bathroom chair 10 is provided with an operation lever 35 for unlocking the seat portion 12 on the back side of the backrest portion 13 . In this embodiment, when the operating lever 35 is pulled upward, the engaging portion 32 is displaced to the disengaged position, and the locking of the seat portion 12 is released.

The backrest portion 13 includes a plate-like backrest support portion 37 made of a resin material and a backrest cushion 38 attached to the front side of the backrest support portion 37 . The backrest portion 13 is attached to the backrest frame 18 of the front leg frame 15 . In addition to the backrest portion 13 , an armrest portion 39 is attached to the backrest frame 18 . The armrests 39 are foldably attached to the backrest frame 18 (see FIG. 4).

Next, the configuration of the seat portion 12 will be described in detail with reference to FIGS. 5 to 8. FIG. FIG. 5 is a plan view showing the bathroom chair 10. FIG. FIG. 6 is a plan view showing the bathroom chair 10 with the seat cushion 26 removed. FIG. 7 is a bottom view of the bathroom chair 10. FIG. 8A is a perspective view showing the seat cushion 26, and FIG. 8B is a perspective view showing the seat main body 25. FIG.

As shown in FIG. 8A, a plurality of (specifically, four) protrusions 41 are provided on the rear surface (in other words, the lower surface) of the seat cushion 26 so as to protrude downward. These protrusions 41 protrude toward the seat body 25 . Each protrusion 41 has a cylindrical shape and is arranged symmetrically on the seat cushion 26 . On the other hand, as shown in FIGS. 6 and 8B, the seat body 25 is provided with a plurality of holes 42 into which the projections 41 of the seat cushion 26 are fitted. These holes 42 are circular and pass through the seat main body 25 in the thickness direction.

As shown in FIGS. 5 and 7, the seat cushion 26 is provided in a state of being placed on the seat body 25, and in the placed state, the projections 41 of the seat cushion 26 are positioned on the seat. It is fitted into the hole 42 of the main body 25 from above. Thereby, the seat cushion 26 is detachably attached to the seat main body 25 .

Further, the seat main body 25 is provided with a handle hole 43 that is used as a handle. Although illustration is omitted, in the present embodiment, the seat portion 12 can be folded substantially vertically by rotating the seat portion 12 further upward from the folded state. Further, the hole portion 43 can be used as a handle when the seat portion 12 is rotated. The hole 43 for the handle penetrates through the seat body 25 in the thickness direction, and is formed behind the seat body 25, more specifically, behind a drainage section 50, which will be described later. A recess 44 is formed in the rear surface of the seat cushion 26 so as to correspond to the hole 43 .

Next, the drainage structure provided on the seat portion 12 will be described. This drainage structure is for guiding water splashed on the surface (seat surface 27) of the seat portion 12 to the back side of the seat portion 12. Description will be made with reference to FIGS. 9 and 10. FIG. 9 is a cross-sectional view taken along the line AA of FIG. 5. FIG. 10, (a) is a sectional view taken along line BB of FIG. 5, and (b) is a sectional view taken along line CC of FIG.

As shown in FIGS. 5 and 8A, the seat cushion 26 is formed with a drain hole 45 penetrating through the seat cushion 26 in the thickness direction. The drain hole 45 has an elliptical hole shape, more specifically, an elliptical shape elongated in the front-rear direction. The drain hole 45 is formed in the central portion of the seat cushion 26 in the left-right direction. In addition, the drain hole 45 is arranged in the seat cushion 26 at a position closer to the rear than the central portion in the front-rear direction. In this case, the drain hole 45 is arranged directly above the lock mechanism 31 (specifically, the engaging portion 32). Also, in this embodiment, only one drain hole 45 is provided in the seat cushion 26 . More specifically, the hole that penetrates the seat cushion 26 from its front surface to its back surface is only the one drainage hole 45 .

As shown in FIG. 10( a ), the rear surface of the seat cushion 26 is formed with a ridge 46 protruding downward from the periphery of the drain hole 45 . The ridge portion 46 is formed to form an annular shape (specifically, an elliptical annular shape) over the entire peripheral portion of the drain hole 45 .

As shown in FIG. 9, the surface of the seat cushion 26 is recessed like a mortar. In this case, the surface of the seat cushion 26 is formed with a mortar-shaped depression 48 . The recessed portion 48 is formed over substantially the entire surface of the seat cushion 26 . The recessed portion 48 is formed such that its surface slopes gently downward toward the drain hole 45 . Therefore, in the recessed portion 48, the periphery of the drain hole 45 is the bottom portion. In this case, when the seat cushion 26 is viewed from above, the drain hole 45 is positioned at the bottom of the recess 48 .

According to the above configuration, water splashed on the surface of the seat cushion 26 flows along the surface of the recess 48 to the drain hole 45 . Then, the water flows down through the drain hole 45 and is led to the seat main body 25 side.

Next, the configuration of the seat body 25 will be described.

As shown in FIGS. 6 and 8(b), the seat main body 25 has a drain section that guides water that has flowed down through the drain hole 45 of the seat cushion 26 to the back side (lower side) of the seat main body 25. 50 are provided. The drainage part 50 includes a concave (groove-shaped) drainage channel 51 that opens on the surface (upper surface) of the seat body 25 and a drainage that extends downward from the drainage channel 51 and opens on the back surface of the seat body 25. and a hole 52 .

The drainage channel 51 includes a water receiving portion 54 into which water flowing down through the drain hole 45 flows, and a pair of water passages 55 extending from the water receiving portion 54 in mutually different directions. The water receiving portion 54 is positioned directly below the drain hole 45 of the seat cushion 26 . The water receiving portion 54 extends in the front-rear direction corresponding to the drain hole 45 and is formed so as to overlap the entire area of the drain hole 45 in plan view. Specifically, the water receiving portion 54 is formed to be one size larger than the drain hole 45 in plan view.

As shown in FIG. 10( a ), the lower end of the projection 46 of the seat cushion 26 is inserted into the water receiving portion 54 . In this case, the entire circumference of the lower end portion of the ridge portion 46 enters the water receiving portion 54 . Instead of the entire circumference of the lower end of the protrusion 46 entering the water receiving section 54 , the entire circumference of the lower end of the protrusion 46 may be positioned directly above the water receiving section 54 .

Each water passage 55 extends from the water receiving portion 54 to both left and right sides, and is formed in a groove shape. Specifically, each water passage 55 extends obliquely forward left and obliquely forward right from the water receiving portion 54 . Therefore, it can be said that each water passage 55 extends forward from the water receiving portion 54 . Also, each water passage 55 extends from the front side of the water receiving portion 54 , and therefore the water receiving portion 54 has an extension portion extending rearward from each water passage 55 . Further, the bottom surface of the water receiving portion 54 is formed so as to slope downward toward the front side (see FIG. 10(a)).

A drain hole 52 is provided at the end of each water passage 55 opposite to the water receiving portion 54 . Each drain hole 52 has a circular shape and vertically penetrates the seat body 25 from the bottom surface of the water passage 55 to the back surface of the seat body 25 . In this case, each drain hole 52 is arranged at a position different from that of the drain hole 45 in plan view. Moreover, each drain hole 52 is arranged at a position different from the position directly above the lock mechanism 31, and more specifically, is arranged on both left and right sides of the lock mechanism 31 in a plan view (see FIG. 7).

Further, as shown in FIG. 10B, the bottom surface 55a of each water passage 55 is inclined downward toward the drain hole 52. As shown in FIG. Specifically, each water passage 55 has a bottom surface 55 a that slopes downward over the entire range from the water receiving portion 54 to the drain hole 52 .

A draining portion 57 is provided on the rear surface of the seat main body 25 and protrudes downward from the periphery of the drain hole 52 . The draining portion 57 is formed in an annular (annular) shape over the entire peripheral portion of the drain hole 52 .

According to the above configuration, the water flowing down through the drain hole 45 of the seat cushion 26 flows into the water receiving portion 54 of the seat main body 25, and then flows from the water receiving portion 54 through each water passage 55 to each drain hole 52. flow toward Then, the water is led from the water passage 55 to the back side of the seat main body 25 through each drain hole 52 . In this manner, in the bathroom chair 10, water on the surface of the seat cushion 26 is drained through the drain hole 45 of the seat cushion 26 and the drainage portion 50 of the seat main body 25. ) and discharged.

Next, a configuration regarding drainage when the seat portion 12 is folded will be described. FIG. 11 is a front view of the bathroom chair 10, showing a state in which the legs of the bathroom chair 10 are closed and the seat portion 12 is folded. 12 is a cross-sectional view taken along the line DD of FIG. 11. FIG.

As described above, in the folded state of the seat portion 12, the seat portion 12 is arranged so as to extend in the vertical direction. In this case, as shown in FIG. 11, the drainage holes 52 of the seat main body 25 are arranged below the drainage holes 45 of the seat cushion 26 . Also, in this case, in the drainage portion 50 of the seat main body 25 , each drainage hole 52 is arranged below the water receiving portion 54 , and from the water receiving portion 54 the drainage channel 51 , more specifically, each water passage 55 extends from the drainage hole 52 . is arranged so as to extend downward toward the Specifically, each water passage 55 is arranged in a downwardly inclined state toward the drain hole 52 . In this case, each drain hole 52 is positioned at the lower end of the water passage 55 (drainage channel 51).

In addition, in the folded state of the seat portion 12, more specifically, the seat portion 12 is arranged in a rearwardly inclined state (see FIG. 4). Therefore, when the seat portion 12 is folded, as shown in FIG. 12, the drain holes 52 of the seat portion main body 25 are inclined downward toward the rear. That is, in this case, each drain hole 52 is inclined downward toward the back side of the seat main body 25 .

According to the above configuration, when the seat portion 12 is folded, the water accumulated in the drainage channel 51 flows through the drainage channel 51 toward the drainage hole 52 located at the lower end of the drainage channel 51 . Then, the water is discharged to the back side of the seat main body 25 through the drain holes 52 .

According to the configuration of the present embodiment described in detail above, the following excellent effects are obtained.

A protrusion 46 protruding downward from the peripheral edge of the drain hole 45 is provided on the back surface of the seat cushion 26, and the entire periphery of the lower end of the protrusion 46 is inserted into the drain 50 formed in the seat main body 25. - 特許庁I made it In this case, water flowing down through the drain hole 45 can be suppressed from entering the gap between the seat cushion 26 and the seat main body 25, thereby suppressing the formation of stains such as mold in the gap. can do.

The seat cushion 26 is detachably attached to the seat body 25 by fitting the protrusion 41 of the seat cushion 26 into the hole 42 of the seat body 25.例文帳に追加In such a configuration, a gap is likely to occur between the seat main body 25 and the seat cushion 26, and therefore, it is conceivable that water flowing down from the drain hole 45 is likely to enter the gap. In this respect, in the above-described embodiment, the protrusion 46 extending downward from the peripheral edge of the drain hole 45 is provided in such a configuration, so that the formation of dirt such as mold in the gap can be suitably suppressed in such a configuration. can do.

The drainage part 50 is configured to have a concave drainage channel 51 and a drainage hole 52 . With such a configuration, the water flowing down through the drain hole 45 of the seat cushion 26 flows down into the drain channel 51 of the seat main body 25 and is then guided to the drain hole 52 through the drain channel 51 . Water is discharged from the drain hole 52 to the back side of the seat main body 25 . In this case, since the drain hole 52 can be set at a position different from the position directly below the drain hole 45, the lock mechanism 31 (mechanical component) of the above embodiment exists at the position directly below the drain hole 45. Due to the configuration, it is possible to avoid the lock mechanism 31 and perform drainage.

In addition, since the bottom surface of the drainage channel 51 is inclined downward toward the drainage hole 52 , the water that has flowed down to the drainage channel 51 through the drain hole 45 can be smoothly guided to the drainage hole 52 through the drainage channel 51 . As a result, it is possible to prevent water from accumulating in the drainage channel 51 , and as a result, it is possible to prevent the drainage channel 51 from being stained with mold or the like.

When the seat part 12 is folded, the drain hole 52 is arranged below the drain hole 45, and the drain channel 51 extends downward toward the drain hole 52.例文帳に追加In this case, water can be smoothly guided to the drain hole 52 through the drain channel 51, so that it is possible to further prevent the drain channel 51 from becoming dirty.

In the folded state of the seat part 12, the drain hole 52 is inclined downward toward the back side of the seat part main body 25.例文帳に追加Therefore, water can be smoothly discharged through the drain hole 52 .

Incidentally, in order to obtain the above-described effects of the drainage portion 50 (the drainage channel 51 and the drainage hole 52) of the seat body 25, it is not essential that the ridge portion 46 is provided on the back surface of the seat cushion 26. . In other words, even if the ridge portion 46 is not provided on the back surface of the seat cushion 26, it is possible to obtain the above-described effects of the drainage portion 50 of the seat main body 25. FIG.

Since the back surface (lower surface) of the seat main body 25 is provided with the draining portion 57 protruding downward from the periphery of the drain hole 52, the water flowing down through the drain hole 52 can be suppressed from being transmitted to the back surface of the seat main body 25.例文帳に追加. As a result, it is possible to suppress the generation of dirt such as mold on the back surface of the seat main body 25 .

Since only one drainage hole 45 is provided in the seat cushion 26, dirt around the drainage hole 45 can be easily cleaned. In addition, since the drain hole 45 is provided at the bottom of the recess 48 formed on the surface of the seat cushion 26, even if there is only one drain hole 45, the water accumulated on the surface of the seat cushion 26 is drained to the drain hole 45. It can be guided and suitably discharged.

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

In the above embodiment, the hole 42 provided in the seat main body 25 is a through hole, but the hole 42 may be a bottomed hole that opens on the surface of the seat main body 25 . In this case as well, the seat cushion 26 can be detachably attached to the seat main body 25 by fitting the protrusion 41 of the seat cushion 26 into the bottomed hole.

In the above embodiment, the protrusion 41 is provided on the seat cushion 26 and the hole 42 is provided on the seat main body 25. 26 may be perforated. In this case, the seat cushion 26 can be detachably attached to the seat body 25 by fitting the projections of the seat body 25 into the holes of the seat cushion 26 . In this case, it is desirable that the hole of the seat cushion 26 be a bottomed hole that opens on the back surface of the seat cushion 26 .

In the above embodiment, the seat cushion 26 is detachably attached to the seat main body 25 by fitting the protrusion 41 into the hole 42, but the seat cushion 26 can be detachably attached to the seat main body 25. The configuration for attachment is not necessarily limited to this. For example, the seat cushion 26 and the seat main body 25 may be provided with hook-and-loop fasteners, and the seat cushion 26 may be detachably attached to the seat main body 25 using the hook-and-loop fasteners.

- In the above-described embodiment, the seat cushion 26 is provided with only one drain hole 45 , but the seat cushion 26 may be provided with a plurality of drain holes 45 . For example, it is conceivable to provide two or three drain holes 45 . In this case, the drainage channel 51 may be formed so that the water flowing down through each drainage hole 45 flows into each. In this case, it is conceivable to provide the seat cushion 26 with a ridge 46 for each drain hole 45 . Alternatively, the protrusion 46 may be provided only in one of the drain holes 45 .

- In the above-described embodiment, the recessed portion 48 is formed over the entire surface of the seat cushion 26 , but the recessed portion 48 may be formed only on a part of the surface of the seat cushion 26 . For example, it is conceivable to form the recessed portion 48 only in a partial range around the drain hole 45 on the surface of the seat cushion 26 .

- Although two drainage holes 52 are provided in the seat main body 25 in the above embodiment, only one drainage hole 52 may be provided. In this case, one of the water passages 55 of the drainage channel 51 may be defective. Further, three or more drain holes 52 may be provided in the seat main body 25 . In that case, water passages 55 may be additionally provided according to the number of drain holes 52 .

・For example, if there is no mechanical component such as the lock mechanism 31 directly below the drain hole 45, a through hole is formed directly below the drain hole 45 so as to pass through the seat main body 25 vertically. good too. In this case, the water on the seat cushion 26 flows straight down through the drain hole 45 and the through hole. Also, in this case, the through hole is formed only by the drainage portion of the seat main body 25 .

In the above embodiment, the seat surface 27 faces forward when the seat portion 12 is folded. However, the seat surface 27 may face rearward when the seat portion 12 is folded. In this case, when the seat portion 12 is folded, the water accumulated in the drain portion 50 of the seat portion main body 25 is discharged forward through the drain hole 52 .

DESCRIPTION OF SYMBOLS 10... Bathroom chair, 11... Leg frame, 12... Seat part, 25... Seat part main body, 26... Seat part cushion, 41... Projection, 42... Hole, 45... Drain hole, 46... Ridge part, 48... Hollow part, 50... Drainage part, 51... Drainage channel, 52... Drainage hole, 57... Drainage part.

Claims (7)

a leg frame;
a seat portion supported by the leg frame;
The seat has a plate-like seat main body attached to the leg frame, and a seat cushion detachably attached on the seat main body,
The seat cushion is formed with a drainage hole penetrating from the front surface to the back surface,
The seat main body is formed with a drain for guiding water that has flowed down through the drain hole to the back side of the seat main body,
The back surface of the seat cushion is provided with a ridge that protrudes downward from the peripheral edge of the drain hole,
the entire periphery of the lower end of the ridge portion enters the drainage portion or is positioned directly above the drainage portion;
The drainage section
a drainage channel that is formed in a concave shape that is open on the surface of the seat main body and into which water that has flowed down through the drain hole flows;
and a drain hole extending downward from the drain channel at a position different from the drain hole in a plan view and opening at the back surface of the seat main body. One of the seat main body and the seat cushion is provided with a projection projecting toward the other, and the other is provided with a hole into which the projection is fitted,
The bathroom chair according to claim 1, wherein said seat cushion is detachably attached to said seat body by fitting said protrusion into said hole. 3. The bathroom chair according to claim 1 or 2, wherein the bottom surface of the drain channel slopes downward toward the drain hole. The seat portion can be switched between an unfolded state in which the seat surface formed by the surface of the seat cushion faces upward and a folded state in which the seat surface faces the front-rear direction,
4. The method according to claim 3, wherein in the folded state of the seat portion, the drainage hole is arranged below the drainage hole, and the drainage channel is arranged to extend downward toward the drainage hole. bathroom chair. 5. The bathroom chair according to claim 4, wherein said drain hole is formed so as to incline downward toward the back side of said seat main body in said folded state of said seat. The bathroom chair according to any one of claims 3 to 5, wherein a back surface of said seat main body is provided with a draining portion protruding downward from the periphery of said drain hole. A mortar-shaped depression is formed on the surface of the seat cushion,
7. The bathroom chair according to any one of claims 1 to 6, wherein only one drain hole is provided in the bottom of the recess in the seat cushion.

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