JP2020133289A - Washhand device and toilet device - Google Patents

Abstract

To provide a washhand device that makes it difficult for water to remain on a washhand water discharge part and can obtain good cleaning properties on the washhand water discharge part in a configuration where the washhand water discharge part is projected from a wall part on a back side of a washhand basin part.SOLUTION: A washhand device that constitutes a washhand part having a water discharge port 8 that discharges water for washhand and a bowl surface that receives the water discharged from the water discharge port 8 comprises: a washhand basin part that has a rear wall part 52 as a part of the bowl surface; and a spout part 20 that has the water discharge port 8 and protrudes from an upper end part of the rear wall part 52 toward a front side, wherein the rear wall part 52 has a continuous surface forming part 101 that is a surface along a line formed by an upper surface 20a of the spout part 20 in a side view of the washhand part and that is continuous with the upper surface 20a.SELECTED DRAWING: Figure 16

Description

The present invention relates to a hand-washing device provided for a flush toilet such as a Western-style toilet, and a toilet device provided with the hand-washing device.

Conventionally, there is a toilet device such as a Western-style toilet equipped with a hand-washing device for the user of the toilet device to wash his / her hands. The hand washing device is provided in the toilet bowl, and is provided with a washing water tank for storing washing water for washing the toilet bowl in a tank cover provided on the rear upper side of the toilet bowl, and a hand washing device is provided above the washing water tank. It has a part.

The hand-washing section includes a hand-washing spouting section that constitutes a spout for discharging water for hand-washing, and a hand-washing pot section that forms a bowl surface that receives water spouting from the spouting port. Water is supplied to the hand-washing water discharge unit by, for example, a hand-washing water supply pipe branched from a pipe for supplying water from a water supply source such as a water supply to a washing water tank (see, for example, Patent Document 1).

In Patent Document 1, in order to suppress the scattering of droplets around the hand-washing portion due to the hand-washing operation, the wall portion on the back side (rear side) of the hand-washing pot portion is configured to be higher than the front wall portion, and the front wall portion is provided. A configuration is disclosed in which a hand-washing water spouting portion (water spouting device) is provided at an upper end position of a wall portion on the back side, which is a higher position. That is, in the configuration disclosed in Patent Document 1, the hand-washing water discharge portion is projected from the upper end portion of the wall portion on the back side that rises vertically in the hand-washing pot portion toward the front side, and the protruding tip portion of the hand-washing water discharge portion is projected. It has a spout on the lower side.

Japanese Unexamined Patent Publication No. 2017-11998

Certainly, according to the configuration disclosed in Patent Document 1, even when water splashes due to the hand-washing operation, the wall portion on the back side of the hand-washing pot portion can receive the droplets, and the water splashes to the periphery of the hand-washing portion. It is thought that the scattering of droplets can be suppressed. On the other hand, the droplets generated by the hand-washing operation remain on the hand-washing water spouting portion, which causes stains such as water stains.

According to the present invention, in a configuration in which the hand-washing water spouting portion is projected from the wall portion on the back side of the hand-washing pot portion, it is possible to prevent water from remaining on the hand-washing water spouting portion and to obtain good cleanability on the hand-washing water spouting portion. It is an object of the present invention to provide a hand-washing device and a toilet device that can be used.

The hand-washing device according to the present invention is a hand-washing device that constitutes a hand-washing portion having a spout for discharging water for hand-washing and a bowl surface for receiving water spouted from the spout, and is a part of the bowl surface. A hand-washing bowl portion having a wall portion on the back side and a hand-washing water spouting portion having the water spouting port and projecting from the upper end portion of the wall portion on the back side toward the front side are provided as portions forming the back surface. The side wall portion has a continuous surface forming portion that is a surface along a line formed by the upper surface of the hand washing water discharge portion in a side view of the hand washing portion and forms a continuous surface with the upper surface.

According to the hand-washing device having such a configuration, in a configuration in which the hand-washing water spouting portion is projected from the wall portion on the back side of the hand-washing pot portion, it is possible to prevent water from remaining on the hand-washing water spouting portion, and the hand-washing water spouting portion Good cleanability can be obtained.

In another aspect of the hand washing device according to the present invention, the line formed by the upper surface of the hand washing water discharge portion is a continuous curve with the upper side as the convex side.

According to the hand washing device having such a configuration, the water drainage property on the hand washing water spouting part can be improved, so that the residual water on the hand washing water spouting part can be effectively suppressed and the cleaning property can be improved.

In another aspect of the hand washing device according to the present invention, the upper surface of the hand washing water spouting portion is located above the height position of the upper end of the wall portion on the back surface side, and the water spouting port is located above the height position. It is located below.

According to the hand washing device having such a configuration, it is possible to suppress residual water on the hand washing water spouting portion and the wall portion on the back side of the hand washing pot portion, and it is possible to effectively improve hygiene.

In another aspect of the hand-washing device according to the present invention, the hand-washing water spouting portion has a front-side protruding portion protruding forward from the position of the front end of the spouting port on the upper surface portion thereof.

According to the hand washing device having such a configuration, it is possible to effectively prevent the droplets from reaching the wall portion on the back side of the hand washing water spouting portion or the hand washing pot portion.

The toilet device according to the present invention includes a toilet bowl, a washing water tank for storing washing water for washing the toilet bowl, a spout provided above the washing water tank and discharging water for hand washing, and the above. A toilet device including a bowl surface that receives water discharged from a spout and a hand washing device that constitutes a hand washing section, and the hand washing device is a wall on the back side as a part forming a part of the bowl surface. A hand-washing bowl portion having a portion and a hand-washing water spouting portion having the water spouting port and projecting from the upper end portion of the wall portion on the back surface side toward the front side are provided, and the wall portion on the back surface side is the hand-washing portion. It is a surface along a line formed by the upper surface of the hand-washing water discharge portion in a side view of the portion, and has a continuous surface forming portion that forms a continuous surface with the upper surface.

According to the toilet device having such a configuration, in a configuration in which the hand wash water discharge part is projected from the wall portion on the back side of the hand wash pot part, it is possible to prevent water from remaining on the hand wash water discharge part, and the hand wash water discharge part is Good cleanability can be obtained.

According to the present invention, in a configuration in which the hand-washing water spouting portion is projected from the wall portion on the back side of the hand-washing pot portion, it is possible to prevent water from remaining on the hand-washing water spouting portion and to provide good cleanability on the hand-washing water spouting portion. Obtainable.

It is a perspective view which shows the toilet apparatus which concerns on one Embodiment of this invention. It is a side view which shows the toilet apparatus which concerns on one Embodiment of this invention. It is a figure which shows typically the flow path structure in the hand washing apparatus which concerns on one Embodiment of this invention. It is a vertical sectional view which shows the structure of the hand washing apparatus which concerns on one Embodiment of this invention. It is an upper perspective view which shows the hand washing part which concerns on one Embodiment of this invention. It is a lower perspective view which shows the hand washing part which concerns on one Embodiment of this invention. It is a front view which shows the hand washing part which concerns on one Embodiment of this invention. It is a back view which shows the hand washing part which concerns on one Embodiment of this invention. It is a top view which shows the hand washing part which concerns on one Embodiment of this invention. 9 is a partial cross-sectional view of the AA position in FIG. 9 is a partial cross-sectional view of the BB position in FIG. It is a bottom sectional view which shows the structure of the spout part which concerns on one Embodiment of this invention. It is a lower perspective sectional view which shows the structure of the spout part which concerns on one Embodiment of this invention. It is a rear perspective view which shows the structure of the spout part which concerns on one Embodiment of this invention. It is a front perspective view which shows a part of the rear wall part of the hand washing pot part which concerns on one Embodiment of this invention. It is a side view of the vicinity of the spout part which concerns on one Embodiment of this invention. It is a side view which shows typically the hand washing part which concerns on other embodiment of this invention.

In the present invention, in a configuration in which the hand-washing water spouting portion is projected from the wall portion on the back side of the hand-washing pot portion, the hand-washing water spouting portion and the hand-washing pot portion and the relative relationship between the two are devised in shape. It seeks to make it possible to easily maintain cleanliness. Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the present embodiment, a configuration in which the hand-washing device is installed on a Western-style sitting toilet bowl in a toilet device as a configuration including a sanitary cleaning device will be described as an example.

As shown in FIGS. 1 to 4, the hand washing device 1 according to the present embodiment is provided in a so-called Western-style flush toilet 2 as a toilet bowl, and provides washing water for washing the bowl portion of the flush toilet 2. A flush water tank 3 for storing is provided above and after the flush toilet 2. The washing water tank 3 is covered with the tank cover 4, and is housed in the tank cover 4 together with various devices and the like constituting the hand washing device 1.

The hand washing device 1 includes a function as a sanitary washing device for washing a local part of a human body (user). Then, the hand-washing device 1 constitutes the toilet device 100 together with the flush toilet 2 and the washing water tank 3.

In the hand washing device 1 of the present embodiment, the side where the flush toilet 2 is located (lower side in FIG. 2) is the lower side with respect to the hand washing device 1, and the opposite side (upper side in the figure) is the upper side. Similarly, in the hand washing device 1, the side (right side in FIG. 2) where the washing water tank 3 is located on the flush toilet 2 is the rear side, and the opposite side (left side in the figure) is the front side.

The hand-washing device 1 has a toilet seat 5 corresponding to the upper end edge of the bowl portion of the flush toilet 2 and a toilet lid 6 covering the bowl portion of the flush toilet 2 from above the toilet seat 5 at the lower part of the front side of the tank cover 4. Have. The toilet seat 5 and the toilet lid 6 are both connected by a hinge unit provided at the lower part on the front side of the tank cover 4, and the hinge unit portion is used as a rotation shaft portion and is provided so as to be openable and closable in the vertical direction.

The hand washing device 1 includes a hand washing unit 7 used by a user of the toilet device 100 (hereinafter, also simply referred to as “user”) to wash his / her hands. The hand-washing section 7 has a spout section 20 as a hand-washing spouting section that constitutes a spout port 8 for discharging water for hand-washing. The spout portion 20 is attached to the rear side of the upper end portion of the tank cover 4, extends upward on the front side, and discharges water downward by the spout port 8. The water discharged from the spout 8 is received by the bowl surface 9 provided on the upper part of the tank cover 4.

As described above, the hand-washing device 1 constitutes a hand-washing unit 7 having a water discharge port 8 for discharging water for hand-washing and a bowl surface 9 for receiving water discharged from the water discharge port 8. The water spout 8 is provided above the washing water tank 3 and discharges water supplied by a predetermined route. The water discharged from the spout 8 is supplied to the spout portion 20 by the hand-washing water supply pipe 10 branching from the pipe for supplying water to the washing water tank 3.

Specifically, as shown in FIG. 3, water from a water supply source such as tap water is supplied to the washing water tank 3 from the water supply pipe 11 via the valve unit 12. The water supply pipe 11 has a pipe branch portion 11a on the downstream side of the valve unit 12 and inside the washing water tank 3. In the pipe branching portion 11a, the water supply pipe 11 is branched into a water supply port 13 for water supply of the washing water tank 3 and a water supply pipe 10 for hand washing. That is, in the pipe branch portion 11a, the water supply pipe 10 is communicated and connected to an outlet different from the water supply port 13. As a result, the water from the water supply source supplied by the water supply pipe 11 is supplied to the spout portion 20 by the water supply pipe 10.

The valve unit 12 includes a constant flow valve and a water supply valve. The constant flow valve constituting the valve unit 12 regulates the amount of water supplied from the water supply source to a constant amount. Similarly, the water supply valve constituting the valve unit 12 switches between water supply and water stoppage from the water supply source into the washing water tank 3 by the opening / closing operation.

When the water supply valve of the valve unit 12 opens, the water from the water supply source supplied by the water supply pipe 11 is supplied into the washing water tank 3 from the water supply port 13 via the pipe branch portion 11a. The opening / closing operation of the water supply valve is controlled by the controller included in the hand washing device 1 based on the detection signal of the water level sensor provided in the washing water tank 3. On the other hand, a part of the water supplied from the water supply pipe 11 is supplied to the spout portion 20 by the water supply pipe 10 via the pipe branch portion 11a.

The water in the wash water tank 3 is discharged from the drain port 14 provided at the lower end of the wash water tank 3 via the drain valve 15 provided in the wash water tank 3, and is formed inside the flush toilet 2. It is supplied to the bowl portion of the flush toilet 2 through the headrace. The drain valve 15 is driven under the control of the controller by, for example, a drain drive motor provided on the side surface of the washing water tank 3.

On the other hand, the water discharged from the spout portion 20 of the spout portion 20 to the bowl surface 9 in the hand washing portion 7 is discharged into the washing water tank 3 from the outlet 17 provided at the lower end of the bowl surface 9. The water discharged from the outflow port 17 is guided into the washing water tank 3 via a connecting portion 18 provided between the outflow port 17 and the washing water tank 3. The connecting portion 18 has, for example, a substantially tubular outer shape, is provided on the upper side of the washing water tank 3, is located on the lower side of the outflow port 17, and communicates the outflow port 17 with the internal space of the washing water tank 3. Let me.

The water supply pipe 10 for hand washing is extended upward from the pipe branch portion 11a inside the washing water tank 3 through the upper surface portion of the washing water tank 3, and the extending tip portion is behind the spout portion 20. It is located near. The water supply pipe 10 is made of a flexible member such as a rubber hose.

Further, the hand washing device 1 of the present embodiment is a sanitary washing device and has the following configuration. That is, the hand washing device 1 is a local washing device having a nozzle for local washing of the user, a heat exchanger for generating hot water for local washing, a deodorizing device for deodorizing the inside of the water washing toilet 2, and each part. It is equipped with various devices and devices such as a controller that controls the operation, various electrical components connected to the controller, various valve mechanisms, and the like. These various devices / devices are housed in the tank cover 4 together with the washing water tank 3.

Next, the tank cover 4 will be described with reference to FIGS. 5 to 9. The tank cover 4 is a portion forming most of the lower side thereof and covering the washing water tank 3, a tank cover portion 21 and a portion forming an upper portion of the tank cover 4 and forming a bowl surface 9 of the hand washing portion 7. It has a hand-washing pot portion 22 for forming the above. The tank cover 4 has a cover lower member 23 which is a member forming substantially the entire tank cover portion 21, and a cover upper member 24 which is a member forming substantially the entire hand wash pot portion 22.

That is, in the tank cover 4 of the present embodiment, the tank cover portion 21 and the hand-washing pot portion 22 are made of separate parts from each other. The lower cover member 23 and the upper cover member 24 form a wall surface portion that is smoothly continuous with each other so as to form an integral outer shape as the tank cover 4. The tank cover 4 has a symmetrical shape together with the spout portion 20. The lower cover member 23 and the upper cover member 24 are members molded from, for example, synthetic resin or ceramics.

However, the tank cover 4 may be substantially entirely composed of parts such as an integral molded product, including the tank cover portion 21 and the hand-washing pot portion 22. That is, an integral member such as a molded product may be used as a part that includes the hand-washing pot portion 22 and forms substantially the entire tank cover 4. Further, the tank cover 4 may be composed of separate parts forming the front portion and the rear portion thereof, for example.

The tank cover portion 21 is a portion that houses the washing water tank 3 and various devices / mechanisms included in the hand washing device 1 as a sanitary washing device as described above. The tank cover portion 21 has a front side wall portion 31, a rear side wall portion 32, and side wall portions 33 and 33 on both the left and right sides as portions forming an internal space thereof.

The cover lower member 23 forming the tank cover portion 21 has a substantially trapezoidal outer shape in front view and rear view due to the front, rear, left and right wall portions, and has a substantially trapezoidal shape narrower than the front view and rear view outer shapes in side view. In addition to forming a shape, the upper side is opened in a substantially horizontally long rectangular shape in a plan view. The cover lower member 23 has a horizontal upper surface portion 35 connected to the upper ends of the front, rear, left and right side wall portions of the tank cover portion 21, and forms a substantially horizontally long rectangular opening 35a in the upper surface portion 35. (See FIG. 4). The upper surface portion 35 is a substantially frame-shaped surface portion due to the opening 35a.

The hand-washing pot portion 22 has a bowl surface portion 40 that forms the bowl surface 9. The bowl surface portion 40 has a front surface portion 41, a rear surface portion 42, left and right side surface portions 43, 43, and a bottom surface portion 44. These surface portions are smoothly continuous, and the inner surface forms a concave bowl surface 9 that is generally recessed toward a substantially central portion in a plan view. In particular, the bottom surface portion 44 has a downwardly convex bowl shape that is smoothly continuous with the front, rear, left, and right surface portions, and the outlet 17 is opened at a substantially central portion thereof.

As a whole, the hand-washing pot portion 22 has a slightly narrowed shape from the lower side to the upper side so as to follow the narrowed shape from the lower side to the upper side of the tank cover portion 21. The hand-washing pot portion 22 has a front wall portion 51 which is a wall portion on the front side, a rear wall portion 52 which is a wall portion on the back side higher than the front wall portion 51, and left and right wall portions as portions forming the outer shape thereof. It has certain side wall portions 53, 53. Of these wall portions, the inner surface portion on the side forming the bowl surface 9 is formed by the bowl surface portion 40, and the outer surface portion is an outer surface portion that forms a uniform surface with each wall portion of the tank cover portion 21. Is formed by. Specifically, it is as follows.

In the hand-washing pot portion 22, the inside (rear side) of the front wall portion 51 is formed by the front surface portion 41 of the bowl surface portion 40, and the outside (front side) of the front wall portion 51 is the front side wall portion 31 of the tank cover portion 21. It is formed by a front-outer surface portion 61 that is continuous on the upper side of the surface. Similarly, the inside (front side) of the rear wall portion 52 is formed by the rear surface portion 42 of the bowl surface portion 40, and the outside (rear side) of the rear wall portion 52 is relative to the rear side wall portion 32 of the tank cover portion 21. It is formed by a rear outer surface portion 62 that is continuous on the upper side of the lever. Further, the inside of the left and right side wall portions 53 is formed by the side surface portions 43 of the bowl surface portion 40, and the outside of the side wall portion 53 is continuously flushed above the side wall portion 33 of the tank cover portion 21. It is formed by the lateral outer surface portion 63.

In the hand-washing pot portion 22, the front surface portion 41 and the front outer surface portion 61 forming the front wall portion 51 are face portions facing each other so as to gradually narrow the distance between them from the lower side to the upper side, and the front wall portion 51. It is continuous so as to form a ridgeline portion at the upper end portion, and a hollow portion is formed between each other. Similarly, the rear wall portion 52 faces the rear surface portion 42 and the rear outer surface portion 62 so as to gradually narrow the distance between them from the lower side to the upper side, and the ridge line at the upper end portion of the rear wall portion 52. It is continuous so as to form a portion, and a hollow portion is formed between the inner and outer surface portions. Further, the left and right side wall portions 53 face each other so that the side surface portion 43 and the lateral outer surface portion 63 face each other so as to gradually narrow the distance between them from the lower side to the upper side, respectively, and the upper end portion of the side wall portion 53. In, a hollow portion is formed between the inner and outer surface portions so as to form a ridgeline portion.

In the hand-washing pot portion 22, the ridgeline portions forming the upper edges of the front, rear, left, and right wall portions are continuous so as to form a substantially rectangular shape with the four corners having substantially R-shaped curved corners in a plan view (FIG. 9). Further, in the hand-washing pot portion 22, the internal spaces of the front, rear, left and right wall portions form a continuous space portion as a whole, and the space portion of the hand-washing pot portion 22 is geometrically continuous with the internal space of the tank cover portion 21. are doing. Further, in the hand-washing pot portion 22, a water supply pipe 10 for supplying water to the spout portion 20 is piped in the internal space 52s of the rear wall portion 52.

The cover upper member 24 forming the hand washing pot portion 22 is inserted into the cover lower member 23 forming the tank cover portion 21 with the lower portion of the bowl surface portion 40 protruding downward from above with respect to the opening 35a of the upper surface portion 35. In this state, it is fixed to the cover lower member 23. The cover upper member 24 is fixed to the cover lower member 23 by an engaging portion or the like formed on the upper surface portion 35.

In the hand-washing pot portion 22, the front wall portion 51 is formed lower than the rear wall portion 52. In the present embodiment, the height of the front wall portion 51 is, for example, about 1/3 to 1/5 of the height of the rear wall portion 52, based on the height position of the upper surface portion 35. Therefore, in front view, most of the rear wall portion 52 appears on the upper side of the front wall portion 51 (see FIG. 7). Further, the left and right corners of the rear wall portion 52 are curved corners so as to form a substantially R shape when viewed from the front, and are smoothly connected to the side wall portion 53.

The left and right side wall portions 53 have the rear side of the upper edge portion smoothly continuous with respect to the left and right sides of the upper edge portion of the rear wall portion 52, and the front side of the upper edge portion is the upper edge of the front wall portion 51. It has a shape that is smoothly continuous with respect to both the left and right sides of the portion. Therefore, the left and right side wall portions 53 have a shape in which the upper edge portions thereof are inclined forward downward in accordance with the height difference between the front wall portion 51 and the rear wall portion 52. The upper edge portion of the side wall portion 53 is curved in a concave shape as a whole in a side view.

The hand-washing pot portion 22 is formed by forming a part of the rear outer surface portion 62 of the wall portion 52 afterwards by a back cover body 30 that is removable from the cover upper member 24. The back lid 30 is a plate-shaped member having substantially the same thickness as the rear outer surface portion 62, and the rear outer surface portion 62 is in a state where the opening 62a formed so as to correspond to the outer shape of the back lid 30 is closed. , A part of the rear outer surface portion 62 is formed. The back lid 30 has a substantially rectangular shape with both left and right corners chamfered on the upper side, and forms a portion closer to the upper side of the center left and right of the rear outer surface portion 62 (see FIG. 8).

The back cover 30 has a predetermined engaging shape such as a locking claw that elastically deforms to obtain an engaging action, and is attached to the rear outer surface portion 62 so as to close the opening 62a. The opening 62a opens the internal space of the rear wall portion 52 of the hand washing pot portion 22 to the outside from the rear outer surface portion 62. The window structure of the back lid 30 enables access to the internal space of the hand-washing pot 22 from the outside, and is used, for example, when piping the water supply pipe 10. In addition, in FIG. 10 and FIG. 13, the illustration of the back cover 30 is omitted for convenience.

Next, the configuration of the spout portion 20 will be described with reference to FIGS. 5 to 16. The spout portion 20 includes a spout cover body 71 that forms the design surface of the spout portion 20, a flow path forming portion 72 that forms a water flow path in the spout cover body 71, and a water supply pipe 10 and a flow path forming portion 72. It has a connection pipe 73 for communicating with each other. These members are, for example, metal or resin members.

In the spout portion 20, the flow path forming portion 72 is fitted in the spout cover body 71, and the connecting pipe 73 is passed through the rear surface portion 42 forming the rear wall portion 52, and the rear surface portion 42 is provided by the bolt 74. It is fixed to. In the spout portion 20, the upper end portion of the water supply pipe 10 is communicated and connected to the lower end portion of the connection pipe 73.

The spout cover body 71 has a spout upper surface portion 75 having a substantially triangular shape in a plan view, a spout lower surface portion 76 facing the spout upper surface portion 75, and a spout side which is a surface portion connecting the spout upper surface portion 75 and the spout lower surface portion 76. It has a peripheral surface portion 77. The spout cover body 71 has a hollow portion formed by these surface portions, and the rear side is generally opened. The opening shape on the rear side of the spout cover body 71 is a flat, substantially semicircular shape with the lower side as the convex side (see FIG. 11).

The spout upper surface portion 75 has a plan view outer shape of the spout cover body 71. In a plan view, the spout upper surface portion 75 has a substantially isosceles triangle shape with the front side as the apex side, and the apex corner portion has a substantially arc-shaped R-shaped portion. The spout upper surface portion 75 has a shape that follows a substantially horizontal direction in the left-right direction, and more specifically, a curved surface shape that forms a slightly upwardly convex curve. The spout upper surface portion 75 has a curved surface shape that forms a curved line that is slightly convex upward in the front-rear direction. The spout upper surface portion 75 as a whole is a surface portion having a gently curved surface with the upper side as a convex side. The upper surface 75a of the spout upper surface portion 75 becomes the upper surface 20a of the spout portion 20.

The spout lower surface portion 76 is a curved surface portion that faces the intermediate portion of the spout upper surface portion 75 below the spout upper surface portion 75. The spout lower surface portion 76 has a shape that follows a substantially isosceles triangle shape that is a plan view shape of the spout upper surface portion 75. At the front end of the spout lower surface portion 76, an opening 76a forming the spout port 8 is opened in a circular shape. Specifically, the opening 76a is formed at a position substantially concentric with respect to the circumferential shape along which the top of the spout upper surface portion 75 in the plan view shape is along.

The spout side peripheral surface portion 77 is a slope portion that is inclined from the outer side to the inner side from the upper side to the lower side with respect to the substantially isosceles triangular shape of the hypotenuse portion and the top portion of the spout upper surface portion 75 in a plan view. That is, the lower surface portion 76 of the spout has a substantially isosceles triangle shape that is one size smaller than the upper surface portion 75 of the spout except for the posterior side, and the peripheral surface portion 77 on the spout side is a slope portion having a shape of a lower constriction. As a result, the upper surface portion 75 of the spout and the lower surface portion 76 of the spout are connected in an inclined manner.

The spout side peripheral surface portion 77 is continuous with respect to the spout upper surface portion 75 so as to form a ridge line portion 78 along the outer shape of the spout upper surface portion 75 in a plan view. On the other hand, the spout side peripheral surface portion 77 and the spout lower surface portion 76 are surface portions connected so as to form a smoothly continuous curved surface. That is, the spout cover body 71 is a portion below the relatively flat spout upper surface portion 75 and the spout upper surface portion 75, and is convex downward formed by the spout lower surface portion 76 and the spout side peripheral surface portion 77. It is formed by combining with a bulging curved surface portion.

The flow path forming portion 72 has a substantially tubular main body portion 81 that forms a substantially linear main body flow path 81a along the front-rear direction in a plan view. The main body flow path 81a is open to the rear side in the main body 81. A discharge port 82 formed in a substantially cylindrical shape is provided on the front side of the main body 81. The discharge port portion 82 is a portion that communicates with the main body flow path 81a on the front side thereof and forms a cylindrical space that opens downward. A rectifying port member 83 constituting the water discharge port 8 is attached to the discharge port portion 82.

The rectifying port member 83 is a member having a cylindrical outer shape, and forms a rectifying flow path so as to penetrate in the cylindrical axial direction thereof. The rectifying port member 83 is fixed to the flow path forming portion 72 in a state of being fitted to the discharge port portion 82 so as to close the opening of the cylindrical space. The rectifying port member 83 has a portion on one side (lower side) in the tubular axis direction protruding from the discharge port portion 82, and the protruding portion is projected into the opening 76a of the spout lower surface portion 76 of the spout cover body 71. It is provided so that it can be seen. The lower end surface 83a of the rectifying port member 83 is positioned in the opening 76a.

As described above, the water discharge port 8 of the spout portion 20 has a configuration in which the rectifying port member 83 communicating with the main body flow path 81a of the flow path forming portion 72 faces the opening 76a at the lower part of the spout cover body 71. .. The axial direction of the rectifying port member 83 is the direction of water discharge from the water discharge port 8. In the present embodiment, the water discharge direction from the water discharge port 8 is diagonally downward and forward at an angle within a range of about 10 to 20 ° with respect to the vertical direction (vertical direction). The water discharge direction from the water discharge port 8 is a direction substantially perpendicular to the protrusion direction of the spout portion 20 from the rear wall portion 52, that is, the flow path direction of the main body flow path 81a. The direction of water discharge from the water discharge port 8 is not particularly limited.

The flow path forming portion 72 has boss portions 84 on both left and right sides of the rear portion of the main body portion 81 to receive the screw insertion of the bolt 74. A female screw hole 84a opened on the rear side is formed in the boss portion 84. Around the rear part of the main body 81, a rectangular plate-shaped flange 85 having a substantially rectangular outer shape with the left-right direction as the longitudinal direction and the water flow direction of the main body 81 as the plate thickness direction is formed. Has been done. On the rear side of the flange portion 85, a raised protruding portion 86 is formed within the range of the outer shape of the flange portion 85 along a substantially elliptical shape with the left-right direction as the longitudinal direction. Female screw holes 84a of the boss portion 84 are opened at the left and right sides of the protruding portion 86.

Further, in the flow path forming portion 72, rib portions 87 having a predetermined shape are formed at a plurality of locations around the main body portion 81. These rib portions 87 include those used as a shape portion for engaging the flow path forming portion 72 and the spout cover body 71. On the other hand, on the inner peripheral side of the spout cover body 71, an engaging shape portion corresponding to the rib portion 87 as the engaging shape portion is formed. That is, the flow path forming portion 72 is inserted into the spout cover body 71 from the opening on the rear side, and is fixed to the spout cover body 71 by the engaging action between the engaging shaped portions. .. The fixing structure of the flow path forming portion 72 to the spout cover body 71 is not particularly limited, and for example, a fixing structure using a fastener such as a bolt may be used.

The connection pipe 73 is a pipe portion on the downstream side thereof and is a horizontal pipe portion 91 along the flow path direction of the main body flow path 81a, and a pipe portion on the upstream side of the connection pipe 73 and is vertically along the substantially vertical direction. It is a bent pipe member having a pipe portion 92 and having an blunt angle as a whole. That is, the connecting pipe 73 forms an obtuse-angled bent pipe line 73a by the horizontal pipe portion 91 and the vertical pipe portion 92. In the present embodiment, the angle formed by the horizontal pipe portion 91 and the vertical pipe portion 92 is, for example, an angle in the range of about 100 to 110 °. However, the angle formed by the horizontal pipe portion 91 and the vertical pipe portion 92 is not particularly limited.

The connection pipe 73 communicates with the main body flow path 81a by inserting most of the horizontal pipe portion 91 into the main body portion 81 through the opening on the rear side of the main body portion 81 with respect to the flow path forming portion body 72. ing. An O-ring 93 externally fitted to the horizontal pipe portion 91 is interposed as a sealing member between the outer peripheral surface of the horizontal pipe portion 91 and the inner peripheral surface of the main body portion 81.

In the connection pipe 73, a flange portion 92a is formed in the lower part of the vertical pipe portion 92, and a portion below the flange portion 92a is an insertion port portion 92b for the water supply pipe 10. That is, the connection pipe 73 and the water supply pipe 10 are communicated with each other in a state where the insertion port portion 92b is inserted into the upper end portion of the water supply pipe 10. The water supply pipe 10 is fixed to the connecting pipe 73 by a predetermined fixture 94 with the insertion port portion 92b inserted (see FIG. 14). The connecting pipe 73 includes a portion upstream of the corner formed by the horizontal pipe portion 91 and the vertical pipe portion 92, that is, a portion including the entire vertical pipe portion 92, in the internal space 52s of the rear wall portion 52 of the hand washing pot portion 22. It is located inside.

The spout portion 20 having the above configuration is provided at the left and right central portions of the upper edge portion of the rear wall portion 52 with respect to the hand washing pot portion 22. The spout portion 20 is fixed to the rear surface portion 42 forming the front wall portion of the rear wall portion 52 by bolts 74 at two positions on the left and right in a state where the horizontal pipe portion 91 of the connecting pipe 73 is penetrated. Specifically, it is as follows.

As shown in FIGS. 12, 13 and 15, in the rear surface portion 42 forming the front portion of the rear wall portion 52, the lateral pipe portion 91 of the connecting pipe 73 is penetrated through the left and right central portions of the upper edge portion thereof. The rectangular opening 42a of the above is formed. In the rear surface portion 42, the portion forming the opening 42a is a mounting seat surface portion 42b that projects rearward in a stepped manner with respect to the other portion of the rear surface portion 42. The mounting seat surface portion 42b forms a horizontally long substantially elliptical concave portion 42c corresponding to the shape of the protruding portion 86 at the rear end portion of the flow path forming portion 72 on the front side of the rear surface portion 42. Bolt holes 42d through which the bolts 74 pass are formed at the left and right sides of the mounting seat surface portion 42b.

With the above configuration, the assembly body including the spout cover body 71 and the flow path forming part 72 that are fitted and fixed to each other protrudes from the opening end on the rear side of the spout cover body 71. The protruding portion 86 of the above is fitted to the concave portion 42c on the front side of the rear surface portion 42, and is fixed to the rear surface portion 42 at two positions on the left and right by bolts 74. Here, the bolt 74 penetrates the mounting seat surface portion 42b of the rear surface portion 42 and is screwed into the female screw hole 84a of the flow path forming portion 72 to fasten the flow path forming portion 72 and the rear surface portion 42. ..

In a state where the assembled body is fixed to the rear surface portion 42, the opening on the rear side of the spout cover body 71 is closed by the rear surface portion 42. Inside the opening end on the rear side of the spout cover body 71, an elliptical seal ring 95 fitted on the protruding portion 86 is provided between the flange portion 85 and the rear surface portion 42 of the flow path forming portion 72. It is being mediated.

The spout portion 20 having the above configuration is provided so as to project obliquely upward from the front side of the left and right central portions of the upper end portion of the rear wall portion 52. The protruding direction of the spout portion 20 from the rear wall portion 52 is an inclined direction forming an angle of about 10 to 20 ° with respect to the horizontal direction (front-back direction) in a side view. The tip of the spout portion 20 is located in the vicinity of the outlet 17 opened at the substantially central portion of the bowl surface 9 in a plan view (see FIG. 9). The left-right width of the spout portion 20 is about 1/4 of the left-right dimension of the rear wall portion 52.

In the spout portion 20 as described above, the water supplied from the water supply pipe 10 flows into the main body flow path 81a of the flow path forming part 72 through the pipeline 73a of the connection pipe 73, and the main body flow path. It passes through the rectifying port member 83 through 81a, and is discharged from the opening 76a of the spout cover body 71. In this way, the water supplied from the water supply pipe 10 to the spout portion 20 is discharged from the spout port 8.

Further, in the spout portion 20, a recess 76b for draining is formed in a portion behind the opening 76a in the spout lower surface portion 76 of the spout cover body 71. The recess 76b is a horizontally long rectangular recess having substantially the same length as the diameter of the opening 76a (see FIG. 12). The recess 76b is formed in the vicinity of the rear side of the opening 76a in the spout lower surface portion 76, which is an inclined surface portion that descends backward in the spout portion 20, and allows water transmitted from the opening 76a to drip. The recess 76b prevents water remaining in the vicinity of the opening 76a from flowing to the rear side along the lower surface portion 76 of the spout.

As described above, the hand washing device 1 according to the present embodiment has a hand washing pot portion 22 having a rear wall portion 52 as a portion forming a part of the bowl surface 9, and a water spouting port 8 from the upper end portion of the rear wall portion 52. It is provided with a spout portion 20 as a hand-washing water spouting portion projecting toward the front side. In the configuration in which the spout portion 20 is projected from the rear wall portion 52, which is the wall portion on the back side of the hand washing pot portion 22, the hand washing device 1 has a structural feature between the spout portion 20 and the rear wall portion 52. Has. Such morphological features will be described below.

In the hand washing device 1, the rear wall portion 52 of the hand washing pot portion 22 is a continuous surface forming a surface along the line formed by the upper surface 20a of the spout portion 20 in the side view of the hand washing portion 7 and forming a continuous surface with the upper surface 20a. It has a part 101. The continuous surface forming portion 101 is a surface portion forming an upper edge portion of the rear wall portion 52, and is formed over substantially the entire rear wall portion 52 in the left-right direction.

Specifically, the continuous surface forming portion 101 is formed as a part of the rear outer surface portion 62 of the surface portions forming the rear wall portion 52. The rear outer surface portion 62 has a continuous surface forming portion 101 which is an upper side surface portion and a cliff-shaped surface portion 102 which is a lower side surface portion as a portion forming the outer shape thereof. The rear outer surface portion 62 has a cliff-shaped surface portion 102 that is a steep wall surface portion, and has a continuous surface forming portion 101 on the upper side of the cliff-shaped surface portion 102.

The cliff-shaped surface portion 102 is a forward-tilted surface portion that is slightly inclined with respect to the vertical direction. The cliff-shaped surface portion 102 is inclined so as to form an angle of, for example, about 5 ° with respect to the vertical direction in the side view. The inclination of the cliff-shaped surface portion 102 follows the inclination of the rear side wall portion 32 of the tank cover portion 21 of the tank cover 4, and in the tank cover 4, the cliff-shaped surface portion 102 is flush with the rear side wall portion 32. It forms the rear surface part. Further, the cliff-shaped surface portion 102 has a shape that is gently curved as a whole with the rear side as the convex side in a plan view (see FIG. 9). In the rear outer surface portion 62, the cliff-shaped surface portion 102 is provided with the window portion structure by the back cover 30 described above.

With respect to such a cliff-shaped surface portion 102, the continuous surface forming portion 101 is formed so as to form a bent surface portion together with the cliff-shaped surface portion 102. The continuous surface forming portion 101 is a front-up inclined surface portion that protrudes forward in an obliquely upward direction from the upper end edge portion of the cliff-shaped surface portion 102. Most of the width direction (length direction in the cross-sectional view of FIG. 10) of the continuous surface forming portion 101 is inclined so as to form an angle of, for example, about 30 ° with respect to the horizontal direction in the side view. Therefore, the continuous surface forming portion 101 and the cliff-shaped surface portion 102 are formed in a bent shape so as to form an angle of about 125 ° in the side view. However, the degree of inclination of each of the continuous surface forming portion 101 and the cliff-shaped surface portion 102, and the angle formed by the continuous surface forming portion 101 and the cliff-shaped surface portion 102 are not particularly limited.

The continuous surface forming portion 101 is formed over substantially the entire upper edge portion of the rear wall portion 52 so as to follow the outer shape of the rear wall portion 52 when viewed from the rear (see FIG. 8). The continuous surface forming portion 101 is a surface portion between the cliff-shaped surface portion 102 on the rear side and the rear surface portion 42 on the front side in the rear wall portion 52, and forms the upper surface portion (top surface portion) of the rear wall portion 52. It is an aspect. That is, the continuous surface forming portion 101 forms the ridge line portion 103 of the rear wall portion 52 together with the rear surface portion 42 which is the front surface portion of the rear wall portion 52 on the upper side (front side) thereof. That is, the upper edge portion of the rear surface portion 42 and the front edge portion of the continuous surface forming portion 101 are continuous in a bent shape in a cross-sectional view so as to form a ridge line, and form the ridge line portion 103. On the other hand, the continuous surface forming portion 101 forms the ridgeline portion 104 of the rear outer surface portion 62 together with the cliff-shaped surface portion 102 on the lower side (rear side) thereof. That is, the upper edge portion of the cliff-shaped surface portion 102 and the rear edge portion of the continuous surface forming portion 101 are continuous in a bent shape in a cross-sectional view so as to form a ridge line, and form the ridge line portion 104. The ridgeline portion 103 of the rear wall portion 52 is continuous with the ridgeline portion of the upper edge of the other wall portion in the hand-washing pot portion 22 so as to form a substantially rectangular shape (see FIG. 9).

The upper surface 101a of such a continuous surface forming portion 101 becomes a continuous surface with respect to the upper surface 20a of the spout portion 20. As described above, the spout portion 20 is provided at the left and right central portions of the upper edge portion of the rear wall portion 52 of the hand washing pot portion 22. Then, the spout portion 20 has the rear end of the upper surface 20a, that is, the rear end of the spout upper surface portion 75 forming the opening end on the rear side of the spout cover body 71, and the front end portion of the continuous surface forming portion 101, that is, the rear wall portion 52. Is in contact with or substantially in contact with the ridgeline portion 103 of the above.

In such a configuration, the continuous surface forming portion 101 of the rear wall portion 52 forms a continuous surface with respect to the upper surface 20a of the spout portion 20 by the upper surface 101a thereof. That is, the upper surface 101a of the continuous surface forming portion 101 and the upper surface 20a of the spout portion 20 form a series of curved surfaces so as to follow a predetermined curved surface that is continuous in shape.

Specifically, as shown in FIG. 16, in the side view of the hand-washing pot portion 22, the upper surface 101a of the continuous surface forming portion 101 and the upper surface 20a of the spout portion 20 are along a virtual curve C1 having a predetermined continuous curved shape. It has a curved shape and forms continuous surfaces with each other. That is, the upper surface 101a of the continuous surface forming portion 101 and the upper surface 20a of the spout portion 20 are smoothly continuous so as to follow the continuous curved surface shape along which the virtual curve C1 follows. This virtual curve C1 is a line along the line formed by the upper surface 20a of the spout portion 20 in the side view of the hand washing portion 7.

Further, as shown in FIG. 16, the upper surface 101a of the continuous surface forming portion 101 and the upper surface 20a of the spout portion 20 are continuous through the fine groove portion 105, and are substantially continuous on a predetermined curved surface. Forming a shape. Here, the fine groove portion 105 is formed between the members of the cover upper member 24 forming the upper surface 101a of the continuous surface forming portion 101 and the members of the spout cover body 71 forming the upper surface 20a (upper surface 75a) of the spout portion 20. It is a boundary portion where fine R-shaped portions at the corners are combined.

The rear wall portion 52 is a portion continuous with the upper surface 20a of the spout portion 20 in the left-right direction, that is, a portion within the range of the left-right width of the rear end of the upper surface 20a of the spout portion 20, the upper surface 101a of the continuous surface forming portion 101. Has a shape that is smoothly continuous with the upper surface 20a of the spout portion 20. In the present embodiment, the rear wall portion 52 has a smoothly continuous curved surface shape in the entire left-right direction of the continuous surface forming portion 101. That is, the continuous surface forming portion 101 is a curved surface along which the upper surfaces 101a of the left and right central portions follow not only the left and right central portions where the upper surfaces 101a are continuous on the rear side of the upper surface 20a of the spout portion 20 but also the left and right outer portions thereof. It has a shape that follows a curved shape and follows a continuous predetermined curved surface shape.

As described above, the curved surface shape along which the upper surface 101a of the continuous surface forming portion 101 and the upper surface 20a of the spout portion 20 are aligned is slightly curved in the left-right direction with the upper side as the convex side in the rear view of the hand-washing pot portion 22. The continuous surface forming portion 101 has a gently curved shape with the upper side as a convex side as a whole in the left-right direction so as to follow the curved shape in the rear view (see FIG. 8).

In this way, the spout upper surface portion 75 forming the upper surface 20a of the spout portion 20 is extended forward so that the left and right central portions of the continuous surface forming portion 101 follow a predetermined curved surface shape along the upper surface 101a. It has the shape of the above aspect. The rear wall portion 52 has a shape that follows a common curved surface shape that is integrally continuous with the spout upper surface portion 75 for substantially the entire continuous surface forming portion 101.

Further, in the present embodiment, the line formed by the upper surface 20a of the spout portion 20 in the side view is a continuous curve with the upper side as the convex side. That is, as shown in FIG. 16, in the side view of the hand washing portion 7, the line formed by the upper surface 20a of the spout portion 20 is a curve along the virtual curve C1 together with the line formed by the upper surface 101a of the continuous surface forming portion 101. Such a curve is a curve along a predetermined curved shape with the upper side as the convex side.

Therefore, the spout upper surface portion 75 forming the upper surface 20a of the spout portion 20 is gently curved with the upper side as the convex side in each of the front-rear direction and the left-right direction. The upper surface portion 75 of the spout has a gently curved surface shape that slightly bulges outward (upper side) as a whole.

Further, the spout portion 20 according to the present embodiment has the following configuration in relation to the rear wall portion 52 of the hand washing pot portion 22. That is, the upper surface 20a of the spout portion 20 is located above the height position of the upper end of the rear wall portion 52, and the spout 8 is located below the height position of the upper end of the rear wall portion 52. ..

Specifically, as shown in FIG. 16, the height position (position in the vertical direction) of the upper end of the rear wall portion 52 is the height position of the ridge line portion 103 formed by the continuous surface forming portion 101 and the rear surface portion 42. It becomes H1. The upper surface 20a of the spout portion 20 is located above the height position H1 with respect to the height position H1 at the upper end of the rear wall portion 52.

In the present embodiment, as described above, the spout portion 20 has the rear end of the upper surface portion 20a in contact with or substantially in contact with the ridgeline portion 103 of the rear wall portion 52. Therefore, the spout portion 20 positions the entire upper surface 20a, that is, the entire spout upper surface portion 75, above the height position H1 at the upper end of the rear wall portion 52.

Further, the spout portion 20 positions the spout 8 below the height position H1 in relation to the height position H1 at the upper end of the rear wall portion 52. In the present embodiment, the spout 8 is provided at the front end of the spout lower surface 76. The height position H2 at the upper end of the spout 8 is located below the height position H1. That is, the entire spout 8 is located below the height position H1. Here, the height position H2 of the upper end of the spout 8 is the height position of the upper end of the opening 76a on the surface 76c of the lower surface portion 76 of the spout.

Further, the spout portion 20 according to the present embodiment has the following configuration in relation to the rear wall portion 52. That is, the spout portion 20 has a front protruding portion 75d protruding forward from the position of the front end of the spout port 8 on the spout upper surface portion 75, which is the upper surface portion thereof.

Specifically, as shown in FIG. 16, the position of the front end of the spout 8 is the position L1 of the front end of the opening 76a on the surface 76c of the spout lower surface portion 76 in the front-rear direction. The portion that defines the position L1 in the front-rear direction is the same as the portion that defines the height position H2 of the upper end of the spout 8 as described above. The spout portion 20 projects the front end portion of the spout upper surface portion 75 to the front side of the position L1 with respect to the position L1 of the front end of the spout port 8, and the protruding portion is the front side projecting portion 75d.

In the present embodiment, the spout portion 20 protrudes forward from the position L1 of the spout lower surface portion 76 in addition to the front protruding portion 75d which is a portion of the spout cover body 71 on the front side of the position L1 of the spout upper surface portion 75. It has a portion 76d and a portion 77d that protrudes forward from the position L1 of the spout side peripheral surface portion 77. In this way, the portion of the spout cover body 71 that protrudes forward from the position L1 is the front end portion of the spout portion 20, and the protruding portion 77d of the front protruding portion 75d and the spout side peripheral surface portion 77 makes the spout cover body 71 acute-angled in side view. It is a part that protrudes forward.

According to the hand-washing device 1 and the toilet device 100 provided with the hand-washing device 1 according to the present embodiment described above, water remains on the spout portion 20 in a configuration in which the spout portion 20 is projected from the rear wall portion 52 of the hand-washing pot portion 22. It can be made difficult, and good cleanability can be obtained on the spout portion 20.

The hand washing device 1 according to the present embodiment has the continuous surface forming portion 101 in the rear wall portion 52 of the hand washing pot portion 22 so that the upper surface 20a of the spout portion 20 and the upper surface of the rear wall portion 52, that is, the continuous surface forming portion 101 Has a structure in which the upper surface 101a of the above surface is shape-continuously continuous. That is, the upper surface 20a of the spout portion 20 and the upper surface 101a of the continuous surface forming portion 101 form a series of curved surfaces so as to follow the virtual curve C1 having a predetermined curved shape in the side view.

According to such a configuration, it is possible to prevent the droplets generated by the hand washing operation due to the water spouting from the spout portion 20 of the spout portion 20 from remaining on the spout portion 20, and thus the scale due to the remaining water on the spout portion 20. It is possible to suppress the occurrence of stains such as. Further, due to the continuous shape of the spout portion 20 and the rear wall portion 52, good cleanability can be obtained when the upper surface 20a of the spout portion 20 is wiped with a cloth or the like.

That is, for example, in the case where there is a step or a recess between the spout portion 20 and the rear wall portion 52, and the upper surface 20a of the spout portion 20 and the upper surface of the rear wall portion 52 form a discontinuous shape. Water such as droplets due to the hand-washing operation tends to remain on the steps and recesses, and stains such as water stains are likely to occur. Further, when a step or a recess is present, when the upper surface 20a of the spout portion 20 is wiped with a cloth or the like, it is likely to be caught or left unwiped, so that good cleanability may not be obtained. On the other hand, according to the hand washing device 1 according to the present embodiment, the continuous shape of the spout portion 20 and the rear wall portion 52 can suppress residual water on the spout portion 20, and can be caught or wiped during wiping. Good cleanability can be obtained by making it difficult for residue to occur, and hygiene can be improved.

Further, according to the continuous shape of the spout portion 20 and the rear wall portion 52, a sense of unity can be obtained in the morphological relationship between the spout portion 20 and the rear wall portion 52, resulting in a clean impression and a sharp appearance. Therefore, good design can be obtained. In particular, in the present embodiment, the spout upper surface portion 75 has a curved shape in the left-right direction so as to follow the shape of the upper edge portion of the rear wall portion 52. As a result, even in the front view of the hand-washing pot portion 22, there is no unevenness due to the presence of the spout portion 20 (a feeling of protrusion upward of the spout portion 20), and the spout portion 20 and the rear wall portion 52 are morphologically one. You can get a feel for it, and you can get a good design.

Further, in the hand washing device 1 according to the present embodiment, the line formed by the upper surface 20a of the spout portion 20 in a side view is a continuous curve with the upper side as the convex side.

According to such a configuration, the water drainage property on the spout portion 20 can be improved, so that the residual water on the spout portion 20 can be effectively suppressed and the cleanability can be improved. In particular, since the spout portion 20 of the present embodiment has a gently curved surface shape in which the upper surface portion 75 of the spout bulges slightly upward as a whole, good water drainage can be obtained.

Further, in the hand washing device 1 according to the present embodiment, the upper surface 20a of the spout portion 20 is located above the height position of the upper end of the rear wall portion 52, and the spout 8 is located below the height position. positioned.

According to such a configuration, it is possible to prevent the droplets generated by the hand washing operation due to the water spouting from the spout 8 from reaching the spout portion 20 or the rear wall portion 52. As a result, residual water on the spout portion 20 and the rear wall portion 52 can be suppressed, and the hygiene aspect can be effectively improved.

Further, in the hand washing device 1 according to the present embodiment, the spout portion 20 has a front protruding portion 75d protruding forward from the position of the front end of the spout port 8 on the spout upper surface portion 75.

According to such a configuration, it is possible to prevent the water discharged from the spout 8 from splashing upward when it hits the hand and bounces off. As a result, it is possible to effectively prevent the droplets from reaching the spout portion 20 or the rear wall portion 52.

Further, the hand washing device 1 according to the present embodiment has a recess 76b for draining water on the rear side of the spout port 8 in the spout lower surface portion 76 of the spout portion 20.

According to such a configuration, it is possible to prevent the water discharged from the spout portion 8 from reaching the rear wall portion 52 side through the spout lower surface portion 76 without affecting the outer shape of the spout portion 20. it can. As a result, it is possible to suppress stains such as water stains on the rear wall portion 52 without impairing the design.

In particular, the spout portion 20 according to the present embodiment has a shape of a lower constriction from the spout upper surface portion 75 to the spout lower surface portion 76 by the spout side peripheral surface portion 77, and the spout lower surface portion 76 has a recess 76b for draining. .. According to such a configuration, in combination with the shape of the lower constriction of the spout cover body 71, good drainage property can be obtained by the recess 76b.

The hand-washing device according to the present invention described using the embodiment as described above is not limited to the above-described embodiment, and various aspects can be adopted within the scope of the gist of the present invention.

In the above-described embodiment, the spout portion 20 has a substantially isosceles triangle shape in a plan view, but the spout portion 20 is not limited to such a configuration. The spout portion 20 may have a quadrangular shape or a semicircular shape in a plan view, for example.

In the above-described embodiment, the continuous surface forming portion 101 having a shape continuous with the spout portion 20 is provided on the rear outer surface portion 62 of the rear wall portion 52 as a curved surface portion with respect to the cliff-shaped surface portion 102. However, it is not limited to such a configuration. For example, the rear outer surface portion 62 may be a surface portion having a smoothly continuous curved surface shape as a whole, and then the upper end portion of the outer surface portion 62 may be a continuous surface forming portion 101. That is, the continuous surface forming portion 101 and the cliff-shaped surface portion 102 may be configured to smoothly form a continuous curved surface without passing through a boundary portion such as a corner portion (bent portion).

Further, in the above-described embodiment, the upper surface 20a of the spout portion 20 and the upper surface 101a of the continuous surface forming portion 101 have a shape along a continuous curve with the upper side as the convex side in the side view. It is not limited. For example, the upper surface 20a of the spout portion 20 and the upper surface 101a of the continuous surface forming portion 101 may form continuous surfaces while following a predetermined straight line in a side view. Therefore, the hand washing device according to the present invention may have a configuration as shown in FIG. 17, for example.

That is, in the configuration shown in FIG. 17, the rear wall portion 252 of the hand-washing pot portion has a continuous surface forming portion 201 that forms the upper surface 201a along the horizontal plane. Further, the spout portion 220 having the spout port 208 protrudes linearly from the upper end of the rear wall portion 252 along the horizontal direction, and has an upper surface 220a along the horizontal plane. The upper surface 201a of the continuous surface forming portion 201 and the upper surface 220a of the spout portion 220 are flush with each other along the horizontal plane.

In the configuration shown in FIG. 17, in the side view of the hand-washing pot portion, the upper surface 201a of the continuous surface forming portion 201 and the upper surface 220a of the spout portion 220 have a shape along a predetermined virtual straight line C2 and are continuous surfaces with each other. Is forming.

As described above, the continuous surface forming portion according to the present invention is spouted so as to follow a continuous curve or a predetermined straight line having a predetermined curved shape in a side view in relation to the upper surface of the spout portion (hand wash water discharge portion). It may be a portion having an upper surface continuous with the upper surface of the portion.

1 Hand wash device 2 Flush toilet 3 Wash water tank 4 Tank cover 7 Hand wash part 8 Water spout 9 Bowl surface 20 Spout part (Hand wash spout part)
20a Top surface 22 Hand wash pot part 24 Cover top member 52 Rear wall part 75 Spout top surface part 75a Top surface 75d Front side protrusion 100 Toilet device 101 Continuous surface forming part 101a Top surface 102 Cliff-like surface part

Claims (5)

A hand-washing device that constitutes a hand-washing unit having a spout for discharging water for hand-washing and a bowl surface for receiving water spouted from the spout.
A hand-washing bowl portion having a wall portion on the back side as a portion forming a part of the bowl surface,
A hand-washing water spouting portion having the water spouting port and projecting from the upper end portion of the wall portion on the back surface side toward the front side is provided.
The wall portion on the back surface side is characterized by having a continuous surface forming portion that is a surface along a line formed by the upper surface of the hand washing water discharge portion in a side view of the hand washing portion and forms a continuous surface with the upper surface. Hand washing device to do. The hand washing apparatus according to claim 1, wherein the line formed by the upper surface of the hand washing water discharge portion is a continuous curve with the upper side as a convex side. The upper surface of the hand-washing water discharge portion is located above the height position of the upper end of the wall portion on the back surface side.
The hand-washing device according to claim 1 or 2, wherein the spout is located below the height position. The hand-washing device according to any one of claims 1 to 3, wherein the hand-washing water spouting portion has a front-side protruding portion projecting forward from the position of the front end of the spouting port on the upper surface portion thereof. Toilet bowl and
A wash water tank that stores wash water for washing the toilet bowl,
A toilet device provided above the washing water tank and provided with a hand-washing device constituting a hand-washing portion having a spout for discharging water for hand-washing and a bowl surface for receiving water discharged from the spout. There,
The hand washing device is
A hand-washing bowl portion having a wall portion on the back side as a portion forming a part of the bowl surface,
A hand-washing water spouting portion having the water spouting port and projecting from the upper end portion of the wall portion on the back surface side toward the front side is provided.
The wall portion on the back surface side is characterized by having a continuous surface forming portion that is a surface along a line formed by the upper surface of the hand washing water discharge portion in a side view of the hand washing portion and forms a continuous surface with the upper surface. Toilet device to do.

Images