JP2020192038A - Bathroom chair - Google Patents

Abstract

To provide a bathroom chair configured so that a seat part includes a seat part body and a seat part cushion removably attached to the seat part body, which can suppress generation of stains such as molds in a gap between the seat part body and the seat part cushion.SOLUTION: A seat part of a bathroom chair includes a plate-like seat part body 25 and a seat part cushion 26 removably attached to the upper surface side of the seat part body 25. The seat part cushion 26 is provided with a drain hole 45 that penetrates it in a thickness direction. The seat part body 25 is formed with a drain part 50 for guiding water that has flowed down through the drain hole 45 to a rear side of the seat part body 25. The rear surface of the seat part cushion 26 is provided with a projection part 46 that projects downward from a peripheral part of the drain hole 45. The whole circumstance of the lower end part of the projection part 46 enters the drain hole 45.SELECTED DRAWING: Figure 8

Description

The present invention relates to a bathroom chair.

Conventionally, bathroom chairs used by elderly people and persons requiring long-term care when sitting in the bathroom have been known. Patent Document 1 discloses a configuration in which a seat portion of a bathroom chair includes a substrate and a seat portion cushion detachably attached on the substrate. In the seat portion of Patent Document 1, a protrusion is provided on the back surface of the seat cushion, and the substrate is provided with a hole into which the protrusion is fitted. Then, the seat cushion is detachably attached to the substrate by fitting the protrusion of the seat cushion into the hole of the substrate. This makes it possible to remove the seat cushion from the substrate and clean it.

Japanese Unexamined Patent Publication No. 2003-47535

By the way, in the seat portion of Patent Document 1, it is conceivable to provide a drainage structure that guides the water to the back surface side of the seat portion when water is splashed on the front surface thereof. In this case, for example, it is conceivable to provide a through hole extending vertically in the seat cushion and to provide a through hole extending vertically in succession with the through hole in the substrate. In such a configuration, the water on the seat can be discharged to the back surface 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 cushion is attached to the substrate by fitting the protrusion and the recess, there is a slight gap between the seat cushion and the substrate. It is expected to occur. In this case, if the water on the seat flows down through the through hole of the seat cushion, the water may enter the above-mentioned gap. Then, stains such as mold may occur in the gap.

The present invention has been made in view of the above circumstances, and has a configuration in which the seat portion has a seat portion main body and a seat portion cushion detachably attached to the seat portion main body, and the seat portion main body and the seat portion. The main purpose of the present invention is to provide a bathroom chair capable of suppressing the generation of stains such as mold in the gap between the cushion and the cushion.

In order to solve the above problems, the bathroom chair of the first invention includes a leg frame and a seat portion supported by the leg frame, and the seat portion has a plate shape attached to the leg frame. It has a seat body and a seat cushion detachably attached on the seat body, and the seat cushion is formed with a drainage hole penetrating from the front surface to the back surface. The main body is formed with a drainage portion that guides the water flowing down through the drain hole to the back surface side of the seat body, and the back surface of the seat cushion projects downward from the peripheral edge of the drain hole. The ridge portion is provided, and the ridge portion is characterized in that the entire circumference of the lower end portion thereof enters the drainage portion or is located directly above the drainage portion.

According to the present invention, when water is applied to the surface of the seat cushion, the water flows downward through the drain hole formed in the seat cushion. Then, the water is guided to the back surface side of the seat body through the drainage portion provided in the seat body. In the configuration having such a drainage structure, in the present invention, a ridge portion is provided on the back surface of the seat cushion so as to protrude downward from the peripheral edge portion of the drain hole, and the entire circumference of the lower end portion of the ridge portion is provided. It is either in the drainage section provided on the seat body or is located directly above the drainage section. 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 body, so that it is possible to prevent the generation of stains such as mold in the gap. it can.

In the bathroom chair of the second invention, in the first invention, one of the seat body and the seat cushion is provided with a protrusion protruding toward the other, and the other is said. A hole into which the protrusion is fitted is provided, and the seat cushion is detachably attached to the seat body by fitting the protrusion into the hole.

According to the present invention, the seat cushion is detachably attached to the seat body by fitting the protrusion provided on one of the seat cushion and the seat body into the hole provided on the other. It is supposed to be. In such a configuration, a gap is likely to be generated between the seat body and the seat cushion, and therefore, it is considered that the water flowing down from the drain hole easily enters the gap. In that respect, in the present invention, since the ridge portion extending downward from the peripheral edge portion of the drain hole is provided in such a configuration, it is possible to suitably suppress the generation of stains such as mold in the gap in such a configuration. ..

In the bathroom chair of the third invention, in the first or second invention, the drainage portion is formed in a concave shape that opens on the surface of the seat portion main body, and the water that flows down through the drainage hole is formed. The drainage channel has a drainage channel through which the water flows, and a drainage hole that extends downward from the drainage channel at a position different from the drainage hole in a plan view and opens on the back surface of the seat body. The bottom surface is inclined downward toward the drainage hole.

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

Further, in 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 flowing down the drainage channel through the drainage hole can be smoothly guided to the drainage hole through the drainage channel. As a result, it is possible to suppress the retention of water in the drainage channel, and as a result, it is possible to suppress the generation of stains such as mold on the drainage channel.

In the third aspect of the invention, the bathroom chair of the fourth invention has a seat portion in which the seat surface formed by the surface of the seat cushion is in an expanded state facing upward and in a folded state in which the seat surface faces in the front-rear direction. In the folded state of the seat portion, the drain hole is arranged below the drain hole, and the drain channel is arranged so as to extend downward toward the drain hole. , Characterized by.

According to the present invention, in the folded state of the seat portion, the drainage hole is arranged below the drainage hole, and the drainage channel extends downward toward the drainage hole, so that water can flow to the drainage hole through the drainage channel. It can be guided smoothly. As a result, it is possible to further suppress the generation of dirt in the drainage channel.

In the fourth aspect of the invention, the bathroom chair of the fifth invention is formed so that the drain hole is inclined downward toward the back surface side of the seat body in the folded state of the seat. It is characterized by.

According to the present invention, in the folded state of the seat portion, the drain hole is inclined downward toward the back surface side of the seat portion main body, so that water can be smoothly discharged through the drain hole.

In any one of the third to fifth inventions, the bathroom chair of the sixth invention is provided with a draining portion protruding downward from the peripheral edge of the drain hole on the back surface of the seat body. It is characterized by that.

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

In the bathroom chair of the seventh invention, in any one of the first to sixth inventions, a mortar-shaped recess is formed on the surface of the seat cushion, and the drain hole is the seat. The cushion is characterized in that only one is provided at the bottom of the recessed portion.

According to the present invention, since the seat cushion is provided with only one drain hole, it is possible to easily clean the dirt around the drain hole. Further, since the drain hole is provided at the bottom of the recess formed on the surface of the seat cushion, even one drain hole guides the water accumulated on the surface of the seat cushion to the drain hole. It can be suitably discharged.

A perspective view of the bathroom chair seen from diagonally above. A perspective view of the bathroom chair from diagonally below. It is a side view which shows the bathroom chair, and shows the state which the bathroom chair is opened and the seat part is expanded. It is a side view which shows the bathroom chair, and shows the state which the bathroom chair is closed and the seat part is folded. Top view showing a bathroom chair. Top view showing a bathroom chair with the seat cushion removed. Bottom view showing a bathroom chair. (A) is a perspective view showing a seat cushion, and (b) is a perspective view showing a seat body. FIG. 5 is a cross-sectional view taken along the line AA of FIG. (A) is a sectional view taken along line BB of FIG. 5, and (b) is a sectional view taken along line CC of FIG. It is a front view which shows the bathroom chair, and shows the state which the bathroom chair is closed and the seat part is folded. FIG. 11 is a sectional view taken along line DD of FIG.

Hereinafter, an embodiment embodying the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of the bathroom chair viewed from diagonally above, and FIG. 2 is a perspective view of the bathroom chair viewed from diagonally below. Further, FIGS. 3 and 4 are side views showing a bathroom chair. 1 to 3 show a state in which the bathroom chair is opened and the seat portion is expanded, and FIG. 4 shows a state in which the bathroom chair is closed and the seat portion is folded.

Further, in the following description, the front, back, left and right are referred to with reference to the state in which the user is sitting on the bathroom chair. Further, in the following description, unless otherwise specified, the configuration of the bathroom chair in the state where the bathroom chair is opened and the seat portion is expanded (that is, the state of FIGS. 1 to 3) is referred to.

As shown in FIGS. 1 to 4, the bathroom chair 10 includes a leg frame 11, a seat portion 12 and a backrest portion 13 attached to the leg frame 11. 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 made of a metal pipe material.

The front leg frame 15 has a pair of left and right front leg portions 17 and a backrest frame 18 provided by connecting the front leg portions 17 to each other. Each front leg portion 17 extends so as to incline rearward as it goes upward, and a resin cap 19 is attached to the lower end portion thereof. 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 end portions of the vertical frame portions.

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

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 to the left and right at an intersection intersecting each other. As a result, the front leg frame 15 and the rear leg frame 16 are rotatable about the rotation shaft 23, and the lower parts of the front leg frame 15 and the rear leg frame 16 are separated from each other by the rotation (the state shown in FIG. 3). It is possible to shift to a closed leg state (state shown in FIG. 4) in which the lower parts of each other approach each other. In the closed leg state, the leg frames 15 and 16 are folded, and the bathroom chair 10 can stand on its own in the folded state.

The seat portion 12 includes a plate-shaped seat body 25 formed of a resin material and a plate-shaped seat cushion 26 attached to the upper surface side of the seat body 25. Both the seat body 25 and the seat cushion 26 have a substantially rectangular shape in a plan view, and the shape and size in a plan view are substantially the same. Further, the seat cushion 26 is formed of a waterproof cushion material, and the upper surface thereof is 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 body 25 and thus the seat 12 can be rotated upward with the connecting frame 28 as a rotation axis, and can be folded with respect to the leg frame 11 by the rotation. That is, the seat portion 12 can be switched between a deployed 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 direction in the unfolded state, and is arranged in a vertically extending direction in the folded state. Further, more specifically, in the folded state, the seat portion 12 is arranged so as to be inclined rearward as it goes upward.

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

On the back surface side of the seat body 25, a lock mechanism 31 is provided that engages the seat 12 with the leg frame 11 to hold the seat 12 in the unfolded state. The lock mechanism 31 is arranged at the center on the back surface side of the seat body 25. The lock 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 frame 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) that is engaged with the connecting frame 29 from below and an engaging disengaging position (indicated by a two-dot chain line in FIG. It is said that it can be displaced between and. The engaging portion 32 is urged toward the engaging position by a coil spring (not shown), whereby the engaging portion 32 is always located at the engaging position. When the engaging portion 32 is in 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 the upward rotation is prohibited, whereby the unfolded state of the seat portion 12 is maintained.

On the other hand, when the engaging portion 32 is displaced to the disengaging position, the engaging portion 32 is disengaged from the connecting frame 29, and the seat portion 12 is disengaged. As a result, the seat portion 12 is put into an unlocked state in which the seat portion 12 is allowed to rotate upward, and the transition from the unfolded state to the folded state becomes 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 the present embodiment, when the operating lever 35 is pulled upward, the engaging portion 32 is displaced to the disengaging position and the seat portion 12 is unlocked.

The backrest portion 13 includes a plate-shaped backrest support portion 37 formed of a resin material, and a backrest cushion 38 attached to the front surface side of the backrest support portion 37. The backrest portion 13 is attached to the backrest frame 18 of the front leg frame 15. Further, in addition to the backrest portion 13, an armrest portion 39 is attached to the backrest frame 18. The armrest portion 39 is foldably attached to the backrest frame 18 (see FIG. 4).

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

As shown in FIG. 8A, a plurality of (specifically, four) protrusions 41 projecting downward are provided on the back surface (in other words, the lower surface) of the seat cushion 26. These protrusions 41 project toward the seat body 25. Each protrusion 41 has a columnar 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 protrusions 41 of the seat cushion 26 are fitted. These holes 42 have a circular shape and penetrate the seat body 25 in the thickness direction.

As shown in FIGS. 5 and 7, the seat cushion 26 is provided in a state of being mounted on the seat body 25, and in the mounted state, each protrusion 41 of the seat cushion 26 is a seat. It is fitted into the hole 42 of the main body 25 from above. As a result, the seat cushion 26 is detachably attached to the seat body 25.

Further, the seat body 25 is provided with a hole 43 for a handle used as a handle. Although not shown, in the present embodiment, the seat portion 12 can be folded in a substantially vertical direction by rotating the seat portion 12 further upward from the folded state. Then, when the seat portion 12 is rotated, the hole portion 43 can be used as a handle. The hole 43 for the handle penetrates the seat body 25 in the thickness direction, and is formed behind the seat body 25, more specifically behind the drainage portion 50 described later. Further, a recess 44 is formed on the back surface of the seat cushion 26 so as to correspond to the hole 43.

Subsequently, the drainage structure provided in the seat portion 12 will be described. This drainage structure is for guiding the water applied to the front surface (seat surface 27) of the seat portion 12 to the back surface side of the seat portion 12, and in the following, the drainage structure will be added to FIGS. This will be described with reference to FIGS. 9 and 10. FIG. 9 is a cross-sectional view taken along the line AA of FIG. 10A is a sectional view taken along line BB of FIG. 5, and FIG. 10B 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 that penetrates the seat cushion 26 in the thickness direction. The drain hole 45 has an elliptical shape, and more specifically, the drain hole 45 has an elliptical shape that is long 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. Further, the drain hole 45 is arranged in the seat cushion 26 behind 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). Further, in the present embodiment, only one drain hole 45 is provided in the seat cushion 26. More specifically, the only hole that penetrates the seat cushion 26 from the front surface to the back surface is the above-mentioned one drain hole 45.

As shown in FIG. 10A, a ridge portion 46 is formed on the back surface of the seat cushion 26 so as to project downward from the peripheral edge portion of the drain hole 45. The ridge portion 46 is formed so as to form an annular shape (specifically, an elliptical annular shape) over the entire peripheral edge portion of the drain hole 45.

As shown in FIG. 9, the seat cushion 26 has a mortar-shaped recessed surface. In this case, a mortar-shaped recessed portion 48 is formed on the surface of the seat cushion 26. The recessed portion 48 is formed over substantially the entire surface of the seat cushion 26. The surface of the recess 48 is formed so as to gently incline downward toward the drain hole 45. Therefore, in the recessed portion 48, the periphery of the drain hole 45 is the bottom portion. Further, in this case, when the seat cushion 26 is viewed in a plan view, the drain hole 45 is located at the bottom of the recessed portion 48.

According to the above configuration, the water applied to the surface of the seat cushion 26 flows to the drain hole 45 along the surface of the recess 48. Then, the water flows downward through the drain hole 45 and is guided to the seat body 25 side.

Subsequently, the configuration of the seat body 25 side will be described.

As shown in FIGS. 6 and 8 (b), the seat body 25 has a drainage portion that guides the water flowing down through the drain hole 45 of the seat cushion 26 to the back surface side (lower surface side) of the seat body 25. 50 is provided. The drainage portion 50 is a concave (groove-shaped) drainage channel 51 opened on the surface (upper surface) of the seat body 25, and drainage extending downward from the drainage channel 51 and opening on the back surface of the seat body 25. It has a hole 52.

The drainage channel 51 includes a water receiving portion 54 into which water flowing down through the drain hole 45 flows in, and a pair of water passages 55 extending from the water receiving portion 54 in different directions. The water receiving portion 54 is located 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 a plan view. Specifically, the water receiving portion 54 is formed to be one size larger than the drain hole 45 in a plan view.

As shown in FIG. 10A, the lower end portion of the ridge portion 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 has entered the water receiving portion 54. Instead of the entire circumference of the lower end portion of the ridge portion 46 entering the water receiving portion 54, the entire circumference of the lower end portion of the ridge portion 46 may be located directly above the water receiving portion 54.

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

Drain holes 52 are provided at the ends of each water passage 55 on the opposite side of the water receiving portion 54. Each drain hole 52 has a circular shape and penetrates the seat body 25 vertically 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 a plan view. Further, each drain hole 52 is arranged at a position different from the position directly above the lock mechanism 31, and in detail, is arranged on both the 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. Specifically, each water passage 55 has a bottom surface 55a inclined downward over the entire range from the water receiving portion 54 to the drain hole 52.

On the back surface of the seat body 25, a draining portion 57 projecting downward from the peripheral edge of the drain hole 52 is provided. The draining portion 57 is formed so as to form an annular shape (annular ring) over the entire peripheral edge 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 body 25, and then from the water receiving portion 54 to each drain hole 52 through each water passage 55. It flows toward. Then, the water is guided from the water passage 55 to the back surface side of the seat body 25 through each drain hole 52. As described above, in the bathroom chair 10, the water applied to the surface of the seat cushion 26 passes through the drain hole 45 of the seat cushion 26 and the drainage portion 50 of the seat body 25 to the seat 12 (seat body 25). ) Is guided to the back side and discharged.

Subsequently, a configuration relating to drainage in the folded state of the seat portion 12 will be described. FIG. 11 is a front view showing the bathroom chair 10, showing a state in which the bathroom chair 10 is in a closed leg state and the seat portion 12 is folded. Further, FIG. 12 is a sectional view taken along line DD of FIG.

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

Further, in the folded state of the seat portion 12, in detail, the seat portion 12 is arranged in a state of being inclined rearward (see FIG. 4). Therefore, in the folded state of the seat portion 12, as shown in FIG. 12, each drain hole 52 of the seat portion main body 25 is in a state of being inclined downward toward the rear. That is, in this case, each drain hole 52 is in a state of being inclined downward toward the back surface side of the seat body 25.

According to the above configuration, in the folded state of the seat portion 12, 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 surface side of the seat body 25 through the drain hole 52.

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

A ridge 46 that protrudes downward from the peripheral edge of the drain hole 45 is provided on the back surface of the seat cushion 26, and the entire circumference of the lower end of the ridge 46 is inserted into the drainage portion 50 formed in the seat body 25. I did it. In this case, since it is possible to prevent the water flowing down through the drain hole 45 from entering the gap between the seat cushion 26 and the seat body 25, it is possible to prevent the generation 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. In such a configuration, a gap is likely to be generated between the seat body 25 and the seat cushion 26, and therefore, it is considered that the water flowing down from the drain hole 45 easily enters the gap. In that respect, in the above embodiment, since the ridge portion 46 extending downward from the peripheral edge portion of the drain hole 45 is provided in such a configuration, it is suitably suppressed that stains such as mold are generated in the gap in such a configuration. can do.

The drainage section 50 has a concave drainage channel 51 and a drainage hole 52. In such a configuration, the water flowing down through the drainage hole 45 of the seat cushion 26 flows down to the drainage channel 51 of the seat body 25, and then is guided to the drainage hole 52 through the drainage channel 51. Then, water is discharged from the drain hole 52 to the back surface side of the seat 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) exists at the position directly below the drain hole 45. In the configuration, drainage can be performed while avoiding the lock mechanism 31.

Further, since the bottom surface of the drainage channel 51 is formed so as to be inclined downward toward the drainage hole 52, the water flowing down to the drainage channel 51 through the drainage hole 45 can be smoothly guided to the drainage hole 52 through the drainage channel 51. As a result, it is possible to suppress the retention of water in the drainage channel 51, and as a result, it is possible to suppress the generation of stains such as mold on the drainage channel 51.

In the folded state of the seat portion 12, the drainage hole 52 is arranged below the drainage hole 45, and the drainage channel 51 extends downward toward the drainage hole 52. In this case, since water can be smoothly guided to the drain hole 52 through the drainage channel 51, it is possible to further suppress the generation of dirt in the drainage channel 51.

In the folded state of the seat portion 12, the drain hole 52 is inclined downward toward the back surface side of the seat portion main body 25. Therefore, water can be smoothly discharged through the drain hole 52.

By the way, in order to obtain each of the above-mentioned effects produced by the drainage portion 50 (drainage channel 51 and drainage hole 52) of the seat portion main body 25, it is not essential that the ridge portion 46 is provided on the back surface of the seat cushion 26. .. That is, 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-mentioned effects by the drainage portion 50 of the seat body 25.

Since the draining portion 57 protruding downward from the peripheral edge of the drain hole 52 is provided on the back surface (lower surface) of the seat body 25, it is possible to prevent the water flowing down through the drain hole 52 from being transmitted to the back surface of the seat body 25. .. As a result, it is possible to suppress the generation of stains such as mold on the back surface of the seat body 25.

Since the seat cushion 26 is provided with only one drain hole 45, dirt around the drain hole 45 can be easily cleaned. Further, 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 it is one drain hole 45, the water accumulated on the surface of the seat cushion 26 can be discharged to the drain hole 45. It can be guided and discharged appropriately.

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

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

Further, in the above embodiment, the seat cushion 26 is provided with a protrusion 41 and the seat body 25 is provided with a hole 42, but in reverse of this, the seat body 25 is provided with a protrusion to provide a seat cushion. A hole may be provided in 26. In this case, the seat cushion 26 can be detachably attached to the seat body 25 by fitting the protrusion of the seat body 25 into the hole of the seat cushion 26. Further, in this case, it is desirable that the hole of the seat cushion 26 is 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 body 25 by fitting the protrusion 41 and the hole 42, but the seat cushion 26 can be detached from the seat body 25. The configuration for mounting is not necessarily limited to this. For example, a hook-and-loop fastener may be provided at a portion facing the seat cushion 26 and the seat body 25, and the seat cushion 26 may be detachably attached to the seat body 25 using the hook-and-loop fastener.

In the above 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 of the drain holes 45 flows into the drainage channel 51. Further, in this case, it is conceivable that the seat cushion 26 is provided with a ridge portion 46 for each drain hole 45. Further, the ridge portion 46 may be provided only in the drain hole 45 of any one of the drain holes 45.

-In the above 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 that the recessed portion 48 is formed only in a part of the surface of the seat cushion 26 centered on the drain hole 45.

-In the above embodiment, the seat body 25 is provided with two drain holes 52, but only one drain hole 52 may be provided. In this case, one of the water passages 55 of the drainage channel 51 may be inadequate. Further, the seat body 25 may be provided with three or more drain holes 52. In that case, the water passage 55 may be additionally provided according to the number of drain holes 52.

For example, when a mechanical component such as a lock mechanism 31 does not exist directly under the drain hole 45, a through hole that penetrates the seat body 25 vertically is formed directly under the drain hole 45. May be good. In this case, the water on the seat cushion 26 flows straight down through the drain holes 45 and the through holes. Further, in this case, the through hole is formed only by the drainage portion of the seat portion main body 25.

-In the above embodiment, the seat surface 27 faces forward in the folded state of the seat portion 12, but the seat surface 27 may face rearward in the folded state of the seat portion 12. In that case, in the folded state of the seat portion 12, the water accumulated in the drainage portion 50 of the seat portion main body 25 is discharged forward from the drainage hole 52.

10 ... Bathroom chair, 11 ... Leg frame, 12 ... Seat, 25 ... Seat body, 26 ... Seat cushion, 41 ... Projection, 42 ... Hole, 45 ... Drain hole, 46 ... Projection, 48 ... recess, 50 ... drain, 51 ... drain, 52 ... drain, 57 ... drain.

Claims (7)

With the leg frame,
With a seat supported by its leg frame,
The seat has a plate-shaped seat body attached to the leg frame and a seat cushion detachably attached on the seat body.
The seat cushion is formed with a drain hole that penetrates from the front surface to the back surface.
The seat body is formed with a drainage portion that guides the water flowing down through the drain hole to the back surface side of the seat body.
On the back surface of the seat cushion, a ridge portion that projects downward from the peripheral edge of the drain hole is provided.
The ridge portion is a bathroom chair in which the entire circumference of the lower end portion thereof has entered the drainage portion or is located directly above the drainage portion. One of the seat body and the seat cushion is provided with a protrusion that protrudes toward the other, and the other is provided with a hole into which the protrusion is fitted.
The bathroom chair according to claim 1, wherein the seat cushion is detachably attached to the seat body by fitting the protrusion into the hole. The drainage part
A drainage channel that is formed in a concave shape that opens on the surface of the seat body and allows water that has flowed down through the drainage hole to flow in.
It has a drainage hole that extends downward from the drainage channel at a position different from the drainage hole in a plan view and opens on the back surface of the seat body.
The bathroom chair according to claim 1 or 2, wherein the drainage channel has a bottom surface inclined downward toward the drainage hole. The seat can be switched between an unfolded state in which the seat surface made of the surface of the seat cushion faces upward and a folded state in which the seat surface faces in the front-rear direction.
The third aspect of 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 so as to extend downward toward the drainage hole. Bathroom chair. The bathroom chair according to claim 4, wherein the drainage hole is formed so as to incline downward toward the back surface side of the seat body in the folded state of the seat. The bathroom chair according to any one of claims 3 to 5, wherein a draining portion projecting downward from the peripheral edge of the drain hole is provided on the back surface of the seat body. A mortar-shaped recess is formed on the surface of the seat cushion.
The bathroom chair according to any one of claims 1 to 6, wherein only one drain hole is provided at the bottom of the recess in the seat cushion.

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