JP6564124B2 - Water discharge device and bathtub device - Google Patents

Description

  The present invention relates to a water discharge device for discharging water and its mounting structure.

  Conventionally, a water discharge device for discharging a film-like water discharge flow is known (see, for example, Patent Document 1). This is installed in the rim part of the bathtub, and the water discharge is discharged from the water outlet. The state in which the membrane-like water discharge flows down like a waterfall is not only beautiful, but also has a relaxing effect by applying a water discharge to the bather's shoulder.

Japanese Patent No. 2002-153391

  In this type of water discharge device, a discharge passage for guiding water to the water discharge port is formed in a horizontally long shape so that a film-like water discharge flow can be discharged. In this horizontally long discharge passage, after the water discharge operation is completed, water is easily retained without being discharged from the water discharge port or the like. An increase in the amount of water remaining in the apparatus (hereinafter referred to as residual water) is not preferable from the viewpoint of hygiene. In addition, the remaining residual water becomes cold and is discharged as cold water at the start of the next water discharge operation, causing discomfort to the bather. In the water discharge device of Patent Document 1, no consideration is given to the remaining water staying in the device, and there is room for further improvement.

  This invention is made | formed in view of such a subject, The objective is to provide the technique which can suppress the retention of the residual water in a water discharging apparatus.

In order to solve the above-described problems, a water discharge device according to an aspect of the present invention includes a discharge port for discharging water, an inflow port through which water is sent from the upstream side, and a discharge passage that connects the discharge port and the inflow port. Are provided with a water discharge member formed inside. The inflow port is formed on the lower wall surface of the discharge passage, and a drainage region having a gradient is provided on the lower wall surface. The gradient of the drainage region is provided so that residual water on the drainage region can be guided to the inflow port.
According to this aspect, after the water discharge operation is completed, the remaining water on the drainage area can be drained from the inflow port. Accordingly, the remaining water can be prevented from staying in the discharge passage, and the discharge passage can be kept hygienic.

The gradient of the drainage region may be provided so as to include a range from the discharge port to the inflow port on the lower wall surface.
According to this aspect, retention of residual water in a wide range of the discharge passage can be suppressed.

The drainage region may have a plurality of inclined surfaces with different gradients and a trough formed between adjacent inclined surfaces. The trough portion may be provided such that one end thereof is connected to the inflow port, and may be provided with a slope that is inclined downward toward the inflow port.
According to this aspect, even if the remaining water stops on the valley, the remaining water that has flowed from a higher position than the remaining water can easily flow again due to the momentum when it hits the remaining water. It can be suppressed.

One end of the valley may be provided so as to extend in a direction substantially orthogonal to the inflow port.
According to this aspect, when the residual water that flows along the valley reaches the inlet, the velocity component of the residual water in the tangential direction of the inlet passing through the position where the valley and the inlet are connected is reduced. When this velocity component increases, the residual water tends to flow downward after flowing along the inlet, but by decreasing the velocity component, the residual water that has reached the inlet can be smoothly dropped downward. It is possible to reduce the residual water early and stably near the inlet.

A plurality of inlets are formed on the lower wall surface of the discharge passage, and the drainage area includes a plurality of surface areas corresponding to each of the plurality of inlets, and the gradient of the surface area corresponds to the remaining water on the surface area. It may be provided so that it can guide to the inflow port.
According to this aspect, the horizontal distance from the outer edge of the drainage region to the inlet can be made smaller than providing a single inlet in the drainage region. When this horizontal distance is large, it is necessary to ensure a large height dimension from the lower end position to the upper end position of the drainage region, and the size of the entire apparatus is accordingly increased. In this respect, since the horizontal distance can be reduced, the height dimension can be suppressed, and the overall size of the apparatus can be reduced.

The drainage region is formed by a plurality of back side regions provided to divide the discharge passage in the width direction on the back side of the discharge passage, and an entrance side region provided on the discharge port side from the plurality of back side regions, A plurality of back side regions are provided corresponding to each of the plurality of inflow ports, and a gradient of the back side region is provided so that residual water on the back side region can be guided to the corresponding inflow port, The gradient may be provided so that the remaining water on the entry-side region can be guided to the back-side region.
According to this aspect, it is possible to set the gradient for facilitating water discharge while suppressing the influence of the gradient of each back side region while setting the gradient for facilitating drainage in each back side region. , Design freedom is high.

The remaining water guided from the drainage area to the inlet may be configured to be discharged to the outside of the apparatus.
According to this aspect, it is possible to further suppress the remaining water in the apparatus.

Another aspect of the present invention is an attachment structure for a water discharge device. The attachment structure of the water discharge device includes a water discharge device and a base body to which the water discharge device is attached. The water discharge device includes a water discharge member in which a discharge port for discharging water, an inflow port through which water is sent from the upstream side, and a discharge passage that connects the discharge port and the inflow port are formed inside. The inflow port is formed on the lower wall surface of the discharge passage, and the water discharge member is attached to the base body with at least a part of the lower wall surface inclined with respect to the horizontal plane so that the remaining water on the lower wall surface is guided to the inflow port. It is done.
According to this aspect, after the water discharge operation is completed, the remaining water on the lower wall surface can be drained from the inflow port. Accordingly, the remaining water can be prevented from staying in the discharge passage, and the discharge passage can be kept hygienic.

  According to the present invention, retention of residual water in the discharge passage can be suppressed.

It is a perspective view which shows the use condition of the water discharging apparatus which concerns on 1st Embodiment. It is a block diagram which shows the water discharging system used for the water discharging apparatus which concerns on 1st Embodiment. It is a front view of the water discharging apparatus which concerns on 1st Embodiment. FIG. 4 is a sectional view taken along line AA in FIG. 3. It is a disassembled perspective view of the water discharging apparatus which concerns on 1st Embodiment. It is a top view which shows the discharge passage of the water discharging member which concerns on 1st Embodiment. Fig.7 (a) is a figure which shows the gradient provided in the lower wall surface of the discharge channel | path which concerns on 1st Embodiment, FIG.7 (b) shows the waste_water | drain area | region provided in a lower wall surface. It is an enlarged view of the back side area provided in the lower wall surface of the discharge passage concerning a 1st embodiment. It is a figure which shows the trough part provided in the lower wall surface which concerns on 1st Embodiment, and the vicinity of an inflow port. It is side surface sectional drawing which shows the attachment structure using the water discharging apparatus which concerns on 2nd Embodiment. Fig.11 (a) is a figure which shows the gradient provided in the surrounding wall surface of the discharge channel which concerns on 2nd Embodiment, FIG.11 (b) is a figure which shows the guidance area | region provided in a surrounding wall surface.

[First Embodiment]
FIG. 1 is a perspective view showing a usage state of a water discharge device 10 according to the present embodiment.
The water discharge device 10 is used in the bathtub device 200. In addition to the water discharge device 10, the bathtub device 200 includes a bathtub 210 as a base body to which the water discharge device 10 is attached. A mounting surface 217 is provided on the rim portion 215 of the bathtub 210. The water discharge device 10 includes a device main body 11 attached to the attachment surface 217. The apparatus main body 11 is formed in a horizontally long flat shape, and a film-like horizontally long water discharge flow W is discharged forward from the discharge port 13.

FIG. 2 is a configuration diagram showing a water discharge system 220 used in the water discharge device 10.
The water discharge system 220 pumps up the bathtub water 211 with the pump 221, discharges the water discharge from the water discharge device 10 and the water discharge port 223, and circulates and uses the bathtub water 211. The pump 221 is connected to a water inlet 225 located inside the bathtub 210 via a water absorption path 227, and pumps up the bathtub water 211 from the water inlet 225 via the water absorption path 227. A common water conduit 235 is connected to the pump 221, and the pumped water is pumped to the common water conduit 235.

  An upper water conduit 237 and a lower water conduit 239 are branched from the common water conduit 235. The upper water conduit 237 is connected to a water inlet 16 of the water conduit 15 described later of the water discharge device 10, and the lower water conduit 239 is connected to a water outlet 223 located inside the bathtub 210. The water supply port 16 is positioned higher than the branch point 241 of the common water conduit 235, and the water outlet 223 is positioned lower than the branch point 241.

  Water is pumped from the common water conduit 235 through the upper water conduit 237 to the water supply port 16, and a membrane-like water discharge flow W is discharged from the device main body 11 of the water discharge device 10. Water is pumped from the common water conduit 235 through the lower water conduit 239 to the water outlet 223, and a water discharge flow containing bubbles is discharged. The water discharge flow W of the apparatus main body 11 gives the bather a relaxing feeling similar to that of hot water poured on the shoulder or neck of the bather. The water discharge flow from the water discharge port 223 is given a massage effect by striking the bather's waist and back vigorously.

FIG. 3 is a front view of the water discharge device 10.
In the front part of the apparatus main body 11, a horizontally long slit-shaped discharge port 13 is provided. A plurality of water guide portions 15 are provided so as to protrude downward from the apparatus main body 11 with an interval in the width direction of the discharge port 13. Hereinafter, the horizontal width direction of the discharge port 13 is referred to as a direction X, the horizontal direction orthogonal thereto is referred to as a depth direction Y, and the vertical direction is referred to as a vertical direction Z. The direction X also coincides with the lateral direction of the discharge passage 33 which will be described later.

FIG. 4 is a side cross-sectional view of the water discharge device 10. This figure is also a cross-sectional view taken along line AA of FIG.
The water guide portion 15 is inserted into a through hole 229 formed in the attachment surface 217. A fixing member 231 such as a nut is attached to the portion of the water guide portion 15 protruding to the opposite side of the attachment surface 217 by screwing or the like. The apparatus main body 11 is fixed to the bathtub 210 by sandwiching the bathtub 210 with the fixing member 231. A seal ring 233 such as an O-ring is interposed between the fixing member 231 and the bathtub 210.

  A water supply passage 17 for supplying water downstream is formed in the water guide portion 15, and an upper water guide passage 237 is connected to the tip portion thereof. The water supply passage 17 is formed with a water supply port 16 that receives water sent from the upper water conduit 237 on the upstream side, and an inlet 35 that connects the water supply passage 17 and the discharge passage 33 (described later) on the downstream side. The The water supply passage 17 is formed such that the water supply port 16 is positioned lower than the inflow port 35 and extends in the vertical direction Z. Further, the water supply path 17 is arranged so as to be aligned coaxially with the upper water conduit 237. The water supply channel 17 and the inflow port 35 are formed in a circular cross section.

  A first large diameter portion 17a, a tapered portion 17b, a small diameter portion 17c, and a second large diameter portion 17d are formed in the water supply path 17 from the inlet 35 side to the water supply port 16 side. The first large diameter portion 17a and the second large diameter portion 17d are formed to have the same inner diameter, and the small diameter portion 17c is formed so that the inner diameter is smaller than these. The tapered portion 17b is formed so that the inner diameter continuously decreases from the inlet 35 side toward the water supply port 16 side. A step portion 17e is formed between the small diameter portion 17c and the second large diameter portion 17d.

  The apparatus main body 11 includes a water discharge member 19 and an exterior cover 21, and is configured by assembling them. The water discharge member 19 includes a passage portion 23 in which the discharge port 13 is formed at the front portion, a top surface portion 25 provided on the passage portion 23, and a lighting attachment portion 27 provided on the front upper surface of the passage portion 23. . An illumination device 31 is attached to the illumination attachment portion 27. The illuminating device 31 projects colored light or white light having a predetermined wavelength forward. The exterior cover 21 is detachably attached to the front portion of the water discharge member 19. The exterior cover 21 is provided so as to cover the lighting device 31 from above and to cover both ends 19a (see FIG. 3) in the lateral width direction X of the water discharging member 19 from the front.

  In the passage portion 23, in addition to the discharge port 13, an inflow port 35 and a discharge passage 33 communicating these are formed. The discharge passage 33 has a horizontally long shape in the direction in which the discharge port 13 extends, and is formed by a storage chamber 37 and a throttle channel 39 which will be described later. The inflow port 35 is formed in the lower wall surface 71 of the discharge passage 33, and water is fed into the storage chamber 37 from the water supply channel 17 on the upstream side through the inflow port 35.

  In the storage chamber 37, water flowing from the inflow port 35 is temporarily stored as stored water. A guide surface 81 that defines a part of the storage chamber 37 is provided on the upstream side of the storage chamber 37. The guide surface 81 is provided on both the lower wall surface 71 and the upper wall surface 73 facing the upper and lower sides of the discharge passage 33. The guide surface 81 is provided so as to continuously narrow the distance between the lower wall surface 71 and the upper wall surface 73 from the inner side of the storage chamber 37 toward the inlet 39a of the throttle channel 39.

  The throttle channel 39 is provided on the downstream side of the storage chamber 37 and connects the storage chamber 37 and the discharge port 13. The throttle channel 39 is formed so that the passage height, which is the distance between the pair of lower wall surface 71 and upper wall surface 73, is smaller than the storage chamber 37. The throttle channel 39 is formed with a substantially constant passage height from the inlet 39 a to the discharge port 13. The stored water in the storage chamber 37 is sent to the discharge port 13 through the throttle channel 39. The stored water is squeezed when it passes through the throttle channel 39, so that the flow velocity is increased, and the discharged water flow W is discharged from the discharge port 13 vigorously. At this time, the stored water in the storage chamber 37 flows smoothly along the guide surface 81, and the occurrence of turbulence and pressure loss can be suppressed.

FIG. 5 is an exploded perspective view of the water discharge device 10.
The water discharge member 19 is configured by assembling a lower divided member 51 as a first divided member and an upper divided member 53 as a second divided member with a fixing tool (not shown) such as a screw. Each division member 51 and 53 is a resin molded product, and has the shape which divided the water discharging member 19 up and down. The discharge passage 33 is defined by the respective divided members 51 and 53. From the lower wall surface 71 of the lower divided member 51, the interval holding portion 69 as a columnar body rises. A plurality of interval holding portions 69 are arranged at intervals in the lateral width direction X. Although not shown, the upper surface of the interval holding unit 69 is in contact with the upper wall surface 73 of the discharge passage 33 and holds the interval between the upper wall surface 73 and the lower wall surface 71 of the discharge passage 33. As a result, even when a load that reduces the height of the discharge passage 33 is applied to the water discharge member 19, the interval can be maintained, and the shape of the water discharge flow W can be easily prevented from being disturbed.

FIG. 6 is a plan view showing the discharge passage 33. This figure is also a plan view of the lower divided member 51.
If the dimensions of the discharge passage 33 in the lateral width direction X and the depth direction Y are the passage width and the depth dimension, the discharge passage 33 is formed so that the depth dimension is smaller than the passage width in plan view. Further, the discharge passage 33 is formed in a horizontally long shape so that a transverse section (not shown) has a passage width larger than the passage height. The side wall surfaces 33a on both sides in the lateral width direction X of the discharge passage 33 are formed so that the passage width of the discharge passage 33 increases as it approaches the discharge port 13 side from the back side of the storage chamber 37. The inflow ports 35 are formed at intervals in the lateral width direction Y of the discharge passage 33.

FIG. 7A is a diagram showing a gradient provided on the lower wall surface 71 of the discharge passage 33, and FIG. 7B is a diagram showing a drainage region 90 provided on the lower wall surface 71. In FIG. 7A, the gradient from the high position to the low position is indicated by an arrow.
A drainage region 90 having a gradient is provided on the lower wall surface 71 of the discharge passage 33. In this example, the drainage region 90 is provided over the entire area of the lower wall surface 71. The gradient of the drainage region 90 is provided so as to include at least the range from the discharge port 13 to each inflow port 35. The gradient here refers to a gradient with respect to a horizontal plane when attached to the attachment surface 217 of the bathtub 210. As will be described in detail, the gradient of the drainage area 90 is provided so that residual water on the drainage area 90 can be guided to the inflow port 35.

  The drainage region 90 includes a plurality of back side regions 91 provided so as to divide the discharge passage 33 in the lateral width direction X on the back side of the discharge passage 33, and an entrance side region provided on the discharge port 13 side from each back side region 91. 93. As will be described in detail, each of the regions 91 and 93 is configured by combining a plurality of inclined surfaces.

  The entry side region 93 is provided in a range from the end side portion 71 a on one end side in the width direction Y of the lower wall surface 71 to the end side portion 71 b on the other end side. The entry side region 93 is configured by combining a first entry side inclined surface 95 and a second entry side inclined surface 97 having different gradients. The first entry side inclined surface 95 is provided on the discharge port 13 side, and the second entry side inclined surface 97 is provided on the far side of the discharge passage 33 from the first entry side inclined surface 95. As shown in FIG. 4, the first entry side inclined surface 95 forms part of the throttle channel 39 and the discharge port 13, and the second entry side inclined surface 97 forms a guide surface 81. The first entry side inclined surface 95 is formed to have a smaller gradient than the second entry side inclined surface 97, but the magnitude relationship of the gradient is not limited thereto.

  The first entry side inclined surface 95 is provided with a gradient P1 in which the front side portion 95a on the discharge port 13 side in the depth direction Y is at a high position and the back side portion 95b on the far end side in the depth direction Y is at a low position. . The second entry-side inclined surface 97 is also provided with a gradient P2 where the front side 97a on the discharge port 13 side is at a high position and the back side 97b on the back end side is at a low position. The remaining water on the first entry side inclined surface 95 is guided to the second entry side inclined surface 97 by its own weight according to its gradient P1, and the remaining water on the second entry side inclined surface 97 is also backed by its own weight according to its gradient P2. It is guided to each back side area 91 on the side. In this way, the entry side region 93 is provided with the gradients P1 and P2 that can guide the remaining water on the entry side region 93 to the respective back side regions 91.

  Each back side region 91 is provided as a surface region corresponding to each of the plurality of inflow ports 35, and is provided so as to surround the corresponding inflow port 35. In the boundary portion of each back side region 91, a gap holding portion 69 and a peak portion 99 formed by a third inclined surface 105 (described later) adjacent in the lateral width direction Y are provided. Since each of the rear side regions 91 has most of the configuration in common, only one back side region 91 will be mainly described below, and the other back side regions 91 will be described with reference numerals common to the common components. Omitted.

FIG. 8 is an enlarged view of the back side region 91.
The back side region 91 is configured by combining the first inclined surface 101, the second inclined surface 103, and the third inclined surface 105 having different gradients. The first inclined surface 101 is a range that spans the corresponding inflow port 35 in the lateral width direction Y, and is provided in a range closer to the discharge port 13 with respect to the inflow port 35. In the first inclined surface 101, the front side portion 101 a on the front end side in the depth direction Y becomes a boundary portion with the entry side region 93, and the rear side portion 101 b on the back end side is connected to the other inclined surfaces 103, 105 and the inlet 35. It becomes the boundary part. The first inclined surface 101 is provided with a gradient P3 in which the front side portion 101a is at a high position and the back side portion 101b is at a low position.

  The second inclined surface 103 is a range between the first inclined surface 101 and the end portion 71c on the far end side of the lower wall surface 71, and is closer to one end in the lateral width direction Y with respect to the inflow port 35 (in FIG. 7). It is provided in the range near the left end. The second inclined surface 103 is provided with a gradient P <b> 4 in which the back side 103 a on the far end side in the depth direction Y is at a high position and is inclined downward from the back side 103 a toward the discharge port 13.

  The third inclined surface 105 is a range sandwiched between the first inclined surface 101 and the end portion 71c on the back end side of the lower wall surface 71, and is closer to the other end in the lateral width direction Y with respect to the inflow port 35 (see FIG. 7). Near the middle right end). The third inclined surface 105 is provided with a gradient P <b> 5 in which the lateral side portion 105 a on the other end side in the lateral width direction Y is at a high position and is inclined downward from the lateral side portion 105 a toward the inflow port 35. The horizontal side portion 105a is a boundary portion with the other back side region 91.

  A first valley 107 is formed between the adjacent first inclined surface 101 and second inclined surface 103. The first trough 107 is provided such that one end 107 a thereof is connected to the inflow port 35, and the other end 107 b is provided so as to be connected to the end portion 71 a on one end side in the lateral width direction Y. A second valley 109 is formed between the first inclined surface 101 and the third inclined surface 105 adjacent to each other. The second valley portion 109 is provided so that one end portion 109 a thereof is connected to the inflow port 35, and the other end portion 109 b is provided so as to be connected to a boundary portion with the other back side region 91. Each trough 107, 109 is provided with a gradient P6 that is inclined downward toward the inlet 35.

  The residual water on each inclined surface 101, 103, 105 flows to a low position by its own weight according to the gradients P3 to P5 of each inclined surface 101, 103, 105, and reaches the inlet 35 in the low position or each valley 107, 109. Guided. The remaining water guided to the valleys 107 and 109 flows to a low position by its own weight according to the gradient P6 of the valleys 107 and 109, and is guided to the inflow port 35. As described above, the first back side region 91A is provided with gradients P3 to P6 that can guide the remaining water on the first back side region 91A to the corresponding inlet 35.

FIG. 9 is a view showing the vicinity of the valleys 107 and 109 and the inlet 35.
One end portions 107 a and 109 a of the valley portions 107 and 109 are provided so as to extend in a direction substantially orthogonal to the inflow port 35. Here, “substantially orthogonal” is an acute angle formed by one end 107a, 109a with respect to the tangent L1 of the inlet 35 passing through the position where the valleys 107, 109 and the inlet 35 are connected in plan view. This means that the angle θ is 80 ° to 90 °.

  As the angle θ decreases, the velocity component in the tangential direction Q1 increases when the residual water that flows along the valleys 107 and 109 reaches the inlet 35. When this velocity component becomes large, the residual water does not smoothly flow downward from the inlet 35 but tends to flow downward after flowing along the inlet 35. Moreover, if this momentum is large, it may move so as to protrude from the inflow port 35, and there is a possibility that it will lose momentum and stop. In this respect, in this embodiment, the valleys 107 and 109 are provided so as to be substantially orthogonal to the tangent line L1, so that the velocity component in the tangential direction Q1 is reduced, so that the remaining water that has reached the inflow port 35 can be smoothly moved downward. The remaining water can be easily and stably reduced early and stably in the vicinity of the inlet 35.

  As shown in FIG. 4, the end portion 71 c on the back side of the lower wall surface 71 rises from the lower wall surface 71 and has a circular arc shape so as to be smoothly connected to the side wall surface 33 a that defines the storage chamber 37 of the discharge passage 33. It is formed. Although not shown, the end sides 71a, b on both sides in the width direction Y of the lower wall surface 71 are similarly formed in a circular arc shape. As shown in FIG. 7, the arcuate cross-sectional shape continues from the midway position R1 of the end side 71a on the one end side in the width direction Y of the lower wall surface 71 to the midway position R2 of the end side 71b on the other end side. Formed in the range. Thereby, the residual water on the edge parts 71a to 71c of the lower wall surface 71 is easily guided to a low position, and the retention of the residual water on the edge part 71c can be suppressed.

Operation | movement of the water discharging apparatus 10 which concerns on the above embodiment is demonstrated.
In the water discharge member 19, as shown in FIG. 4, a predetermined flow rate of water is pumped from the pump 221 (see FIG. 2), and the water flows into the storage chamber 37 from the inlet 35 through the water supply channel 17, The water is temporarily stored in the storage chamber 37 as stored water. When water is sent from the inlet 35 in a state where the stored water is stored in the storage chamber 37, the stored water in the storage chamber 37 is pressurized, and the stored water is discharged through the throttle channel 39 by the water pressure. The discharged water flow W is discharged from the discharge port 13.

  After the water discharge operation is completed, residual water adheres to the lower wall surface 71 of the discharge passage 33. The remaining water on the entry side region 93 is guided to each back side region 91 by its own weight according to the gradients P1 and P2. The remaining water on each back side region 91 is guided to the corresponding inlet 35 by its own weight according to the gradients P3 to P6. In this way, the remaining water on the drainage area 90 is guided to the inflow port 35.

  As shown in FIG. 4, the remaining water guided from the drainage area 90 to the inflow port 35 flows from the inflow port 35 through the water supply channel 17 to the water supply port 16 at a low position by its own weight, and the water supply port 16 to the outside of the apparatus. It is discharged to the upper water conduit 237. At this time, since the tapered portion 17b exists between the first large diameter portion 17a and the small diameter portion 17c, the remaining water can easily flow through the water supply passage 17 to the water supply port 16. Thus, the water discharging apparatus 10 is comprised so that the residual water guided from the drainage area | region 90 to the inflow port 35 can be discharged | emitted outside the apparatus.

  As shown in FIG. 2, the remaining water in the upper water conduit 237 flows by its own weight through the branch point 241 located lower than the water supply port 16 to the lower water conduit 239. Further, the remaining water in the lower water guide channel 239 flows by its own weight from the branch point 241 to the water outlet 223 located at a low position, and is discharged from the water outlet 223 into the bathtub 210. At this time, the driving of the pump 221 is stopped, the drain plug 243 of the bathtub 210 is pulled out, and the bathtub water 211 is drained from the drain outlet.

The effect of the water discharging apparatus 10 which concerns on the above embodiment is demonstrated.
Since the drainage area 90 is provided on the lower wall surface 71 of the discharge passage 33, the remaining water on the drainage area 90 can be drained from the inlet 35 after the water discharge operation is completed. Therefore, the remaining water can be prevented from staying in the discharge passage 33 and the inside of the discharge passage 33 can be kept hygienic. In particular, in this embodiment, the residual water guided to the inflow port 35 can be discharged to the outside of the apparatus, so that the remaining water in the apparatus can be further suppressed. Further, in this embodiment, since the gradient of the drainage region 90 is provided so as to include the range from the discharge port 13 to the inflow port 35, the remaining water in the wide range of the discharge passage 33 can be suppressed.

  Moreover, from the water discharging apparatus 10, the warm bathtub water 211 is normally discharged. However, when the remaining water stays in the discharge passage 33 after the water discharge operation is finished, the water becomes cold, and the cold water is discharged at the start of the next water discharge operation. In this respect, in the present embodiment, since the remaining water stays in the discharge passage 33 can be suppressed, the amount of cold water discharged at the start of the next water discharge operation can be suppressed, and the occurrence of discomfort to the bather can be suppressed. In particular, in this embodiment, since the residual water discharged from the inlet 35 to the upper water conduit 237 flows to the lower water conduit 239 through the branch point 241, the amount of cold water discharged at the start of the next water discharge operation can be further suppressed.

  A part of the remaining water on the inclined surfaces 101, 103, 105 is guided to the valleys 107, 109 and then flows to the inlet 35. Therefore, even if the remaining water stops on the valleys 107 and 109, the remaining water that has flowed from a higher position than that will make it easier for the remaining water to flow again due to the momentum when it hits the remaining water. It can be suppressed.

  Further, the drain region 90 is provided with a plurality of back side regions 91 corresponding to the plurality of inflow ports 35, and the back side region 91 is provided with a gradient capable of guiding the remaining water to the corresponding inflow ports 35. Therefore, the horizontal distance from the outer edge of the drainage region 90 to the inlet 35 can be made smaller than providing a single inlet 35 in the drainage region 90. When this horizontal distance is large, it is necessary to ensure a large height dimension from the lower end position to the upper end position of the drainage region 90, and the size of the entire apparatus is accordingly increased. In this respect, in this embodiment, since the horizontal distance can be reduced, the height dimension can be suppressed to be small, and the entire apparatus can be downsized.

  Further, if the entrance area 93 is not provided in the drainage area 90, each back area 91 is provided so as to continue to the discharge port 13. In this case, depending on how the back side region 91 is provided with a gradient, the passage height changes depending on the Y position in the width direction in the vicinity of the discharge port 13, and the shape of the discharged water flow W is likely to be disturbed. On the other hand, in this embodiment, since the entrance region 93 is formed on the discharge port 13 side from each back region 91, the passage in the lateral width direction Y position in the entrance region 93 regardless of the gradient of the back region 91. The height can be designed to be constant, and the disturbance of the shape of the water discharge flow W can be easily suppressed. That is, in each back side region 91, a gradient for facilitating drainage can be set, and in the entry side region 93, a slope for facilitating water discharge can be set while suppressing the influence of the slope of each back side region 91. , Design freedom is high.

[Second Embodiment]
FIG. 10 is a side sectional view showing an attachment structure 110 using the water discharging device 10 according to this embodiment. In 2nd Embodiment, the same code | symbol is attached | subjected to the component same as 1st Embodiment, and the overlapping description is abbreviate | omitted.
In the first embodiment, a drainage region 90 having a gradient is provided on the lower wall surface 71 of the discharge passage 33. In this embodiment, the lower wall surface 71 does not have the drainage region 90, and the lower wall surface 71 is formed by a flat surface over the entire area except for a portion that defines the guide surface 81.

  In the first embodiment, the mounting surface 217 of the bathtub 210 is provided in parallel to the horizontal plane. However, in this embodiment, the mounting surface 217 is provided inclined with respect to the horizontal plane. The mounting surface 217 is inclined so that the inner part of the bathtub 210 is at a high position and the outer part is at a low position. In the attachment structure 110, the apparatus main body 11 of the water discharging apparatus 10 is attached to the attachment surface 217 in a state where the lower wall surface 71 of the discharge passage 33 is inclined with respect to the horizontal plane. The lower wall surface 71 is inclined so that the discharge port 13 side is at a high position and the back side is at a low position.

FIG. 11A is a diagram showing a gradient provided on the peripheral wall surface 33b of the discharge passage 33, and FIG. 11B is a diagram showing a guide region 111 provided on the peripheral wall surface 33b. In FIG. 11A, the gradient from the high position to the low position is indicated by an arrow.
The inflow port 35 is formed on the back side of the discharge passage 33 with an interval in the lateral width direction Y. A guide region 111 having a gradient inclined with respect to the direction line in the depth direction Y of the discharge passage 33 is provided on the peripheral wall surface 33b surrounding both sides and the back side of the discharge passage 33 in the width direction Y. The guide region 111 is formed by a first surface region 113 and a second surface region 115 provided so as to divide the peripheral wall surface 33 b of the discharge passage 33 in the lateral width direction X. Each surface region 113, 115 is provided corresponding to the inflow port 35.

  The first surface region 113 includes a first slope 117 that extends from the opening edge 13 a of the discharge port 13 to the inlet 35, and a second slope 119 that continues from the lateral width direction X center portion 33 c of the discharge passage 33 to the inlet 35. When an imaginary line parallel to the depth direction Y passing through the center position of the inlet 35 in plan view is taken as a line L2, the first inclined surface 117 and the second inclined surface 119 approach the inlet 35 from the discharge port 13 side, respectively. Accordingly, a gradient P7 that is inclined so as to approach the virtual line L2 passing through the inflow port 35 corresponding to each of the surface regions 113 and 115 is provided.

  The residual water on the lower wall surface 71 flows to a low position due to its own weight according to the inclination of the lower wall surface 71, and is guided from the inlet 35 at the low position to the peripheral wall surface 33 b of the discharge passage 33. The water guided to the peripheral wall surface 33b of the discharge passage 33 flows to a low position along the peripheral wall surface 33b by its own weight according to the gradient P7 of the peripheral wall surface 33b, and is guided to the inflow port 35. Thus, the remaining water on the lower wall surface 71 is guided to the inflow port 35 by being attached to the attachment surface 217 of the bathtub 210 with a part of the lower wall surface 71 inclined with respect to the horizontal plane.

  Also in the attachment structure 110 of the water discharging apparatus 10 which concerns on this embodiment, like 1st Embodiment, the residence of the residual water in the discharge channel 33 can be suppressed, and the inside of the discharge channel 33 can be kept hygienic.

  In addition, also about the water discharging apparatus 10 which concerns on 1st Embodiment, the water discharging member 19 has the drainage area | region 90 which is a part of the lower wall surface 71 so that the residual water on the lower wall surface 71 may be guided to the inflow port 35. It can be said that it is attached to the bathtub 210 in a state inclined with respect to the horizontal plane. That is, it can be understood that the mounting structure 110 including such a water discharging device 10 and the bathtub 210 is disclosed.

  As mentioned above, although this invention was demonstrated based on embodiment, embodiment only shows the principle and application of this invention. In the embodiment, many modifications and arrangements can be made without departing from the spirit of the present invention defined in the claims.

  Although the water discharging apparatus 10 demonstrated the example whose base | substrate used as the attachment object is the bathtub 210, the specific structure of a base | substrate is not restricted to this. In addition to this, the water discharge device 10 may be attached using a wash basin in a washroom or a kitchen sink as a base. In any case, the attachment surface 217 may be provided on the base body, and the water discharge device 10 may be attached to the attachment surface 217.

  The discharge port 13 was formed in a horizontally long slit shape, and the discharge passage 33 was formed horizontally in the extending direction of the discharge port 13. These shapes are not limited to this, and may be formed in a circular shape, for example. The water supply channel 17 and the inflow port 35 are formed in a circular cross section, but are not limited thereto, and may be formed in a rectangular cross section.

  Although the upper divided member 53 and the lower divided member 51 have been described as examples of resin molded products, other metal cast products or the like may be used. The upper divided member 53 and the lower divided member 51 have been described as the first divided member and the second divided member having a shape obtained by dividing the water discharge member 19 in the vertical direction. In addition to these, they may have a shape divided in the width direction X. Moreover, the water discharging member 19 may be comprised with the integrally molded product, without being comprised with a some division | segmentation member. The lower split member 51 and the upper split member 53 are assembled so as to be detachable by a fixture, but the present invention is not limited to this, and may be assembled by snap fit or the like.

  Although the drainage area 90 is provided in the entire area of the lower wall surface 71, it may be provided only in a part of the lower wall surface 71. In this case, the drainage region 90 may be provided in a range from the end portion 71 c on the far end side of the lower wall surface 71 to a midway position toward the discharge port 13. At this time, in the range from the midway position to the discharge port 13, a slope is provided so as to incline downward toward the discharge port 13, and the remaining water is guided to the inflow port 35 on the back side from the midway position, and from the midway position. You may make it guide remaining water to the discharge outlet 13 ahead.

  Each back side region 91 of the drainage region 90 has valleys 107 and 109 formed between a plurality of inclined surfaces 101, 103, and 105, but these inclined surfaces are formed in a conical shape to form valleys 107 and 109. May not be formed. Further, although the drainage region 90 is formed by the plurality of back side regions 91 and the entry side region 93, it may be formed by only one or a plurality of back side regions 91. In this case, the back side region 91 may be formed in the entire range from the end side portion 71 c on the back end side of the lower wall surface 71 to the discharge port 13. In addition, although the entry side region 93 is formed by the plurality of entry side inclined surfaces 95 and 97, it may be formed by a single entry side inclined surface.

DESCRIPTION OF SYMBOLS 10 Water discharging apparatus, 13 Discharge port, 19 Water discharge member, 33 Discharge passage, 35 Inlet port, 71 Lower wall surface, 90 Drain area, 91 Back side area (surface area), 93 Inlet area (surface area), 101 1st inclination Surface, 103 second inclined surface, 105 third inclined surface, 107 first trough, 107a one end, 109 second trough, 109a one end, 110 mounting structure.

Claims (4)

A discharge member that discharges water, an inflow port through which water is fed from a water supply channel, and a discharge passage that communicates the discharge port and the inflow port are provided inside the discharge member,
The inlet is formed in the lower wall of the discharge passage;
The discharge passage is formed so as to spread from the inflow port in the width direction of the discharge passage in plan view,
A part of the peripheral wall surface of the discharge passage and a part of the inner surface of the water supply path are provided so as to be linearly continuous across the inflow port in a side cross section passing through the inflow port ,
The lower wall surface is inclined so that the discharge port side is at a high position and the back side of the discharge passage is at a low position,
The peripheral wall surface has a guide region having a slope inclined with respect to a direction line in the lateral width direction,
A water discharger characterized in that water can flow to a low position by its own weight in accordance with the inclination of the lower wall surface and the gradient of the peripheral wall surface and can be guided to the inflow port. A peripheral wall surface of the discharge passage is connected to the inflow port and extends from the inflow port to the one side in the width direction, and a second inclined surface extends from the inflow port to the other side in the width direction. And
When the horizontal direction perpendicular to the width direction is the depth direction,
The depth direction is such that the first slope and the second slope approach a virtual line parallel to the depth direction passing through the center position of the inflow port in plan view as they go from the discharge port side to the depth side. The water discharging apparatus according to claim 1, which is inclined with respect to the direction line.   The water discharge device according to claim 2, wherein the first slope is continuous from an opening edge of the discharge port to the inflow port. The water discharge device according to any one of claims 1 to 3,
A bathtub apparatus, comprising: a bathtub to which the water discharging apparatus is attached.

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