JP7437974B2 - toilet device - Google Patents

Description

TECHNICAL FIELD This disclosure relates to toilet bowl devices.

Conventionally, a toilet device is known in which a toilet device is provided with a foot detection section that detects a person's feet, and when the foot detection section detects the foot, the toilet lid is automatically opened and closed (for example, Patent Document 1 reference). In this technology, the foot detection part is placed in the toilet seat box installed at the same height as the toilet seat, and the sensor window of the foot detection part is located on the surface of the toilet seat box that can be touched by the user. .

Japanese Patent Application Publication No. 2002-119442

If the foot detection section is located in a position where it can be touched by the user, there is a risk that the user may receive a shock due to an unintended movement or damage the exterior parts such as the sensor window. Therefore, there is a need for a toilet device in which the foot detection section is less susceptible to external shocks.

The present disclosure provides a toilet main body installed in a wall-mounted manner, which includes a bowl portion with an open top, a peripheral wall portion that covers the outer periphery of the bowl portion, and a recessed portion formed by an inner surface of the peripheral wall portion; The present invention relates to a toilet device including a human body detection section arranged therein.

FIG. 1 is a perspective view of a toilet device according to a first embodiment. FIG. 1 is a side sectional view of the toilet device according to the first embodiment. It is a bottom view of the toilet device concerning a 1st embodiment. FIG. 3 is a developed view of the foot detection section according to the first embodiment. FIG. 7 is a developed view of a foot detection section according to a second embodiment. FIG. 7 is a diagram showing the state of use of the foot detection unit according to the second embodiment as viewed from the bottom side. FIG. 7 is a diagram showing the state of use of the foot detection unit according to the second embodiment as viewed from the bottom side. FIG. 7 is a usage state diagram of the foot detection unit according to the second embodiment as viewed from the side. It is a perspective view of the foot detection part concerning a 3rd embodiment.

Hereinafter, a first embodiment of the toilet bowl device 1 of the present disclosure will be described with reference to the drawings. In the following description, the front-back direction when viewed from a person sitting on the toilet seat 21 of the toilet device 1 is defined as the front-back direction. The direction connecting the left and right sides that intersect in the front-rear direction is defined as the left-right direction. The up and down direction along the vertical direction is defined as the up and down direction.

As shown in FIG. 1, the toilet device 1 includes a toilet main body 10, a toilet seat 21, a toilet lid 22, a functional section 3, a foot detection section 4 (see FIG. 2) as a human body detection section, and a protection member 5. (See FIG. 3). The toilet device 1 is, for example, a flush device that is installed on a wall in a toilet room (not shown) and flushes waste into the sewer.

The toilet seat 21 is a substantially annular and flat member whose center is open so as to communicate with an opening of the toilet main body 10, which will be described later. The toilet seat 21 is installed on the upper surface of the toilet main body 10 and is attached so that it can be opened and closed. The toilet lid 22 is placed on the toilet seat 21, is attached to be openable and closable like the toilet seat 21, and covers the opening of the toilet seat 21 and the toilet main body 10.

The functional unit 3 is arranged at the rear of the toilet main body 10, and includes the opening/closing mechanism of the toilet seat 21 and the toilet lid 22, the nozzle part of the sanitary cleaning device, the deodorizing device, the hot air drying device, the heating device, the music board, the speaker, etc. Functional parts are attached (all not shown). The functional unit 3 is provided with electrical wiring for connecting various mechanisms and devices, supplying power to the functional components within the functional unit 3, water supply piping, and the like.

The toilet main body 10 is installed in a wall-mounted manner as shown in FIG. 2, and includes a bowl portion 11, a drain port 11a, a drain trap 11b, a peripheral wall portion 12, and a recess 13. In FIG. 2, the toilet seat 21, toilet lid 22, and functional section 3 are omitted. The bowl portion 11 is formed in a concave shape with an open top, and receives dirt and the like. The drain port 11a is an opening that is arranged at the lower end of the bowl portion 11 and continues to an external sewer pipe (not shown). The drain trap 11b is a bent pipe that extends from the drain port 11a and extends in a substantially U-shape. The drain trap 11b is formed by extending downward and then bending upward between the lower end of the drain port 11a and the sewer pipe, and has a water reservoir portion 11c that can store water. The drain trap 11b prevents odor from the sewage side from moving to the bowl part 11 by storing water in the water storage part 11c.

The peripheral wall portion 12 is a wall that covers the outer periphery of the bowl portion 11 and extends in the vertical direction. The peripheral wall portion 12 defines the outer contour of the toilet main body 10. As shown in FIG. 2, the recess 13 is formed by recessing upward between the lower surface of the bowl portion 11 and the inner surface of the peripheral wall portion 12. As shown in FIG. 3, the recess 13 is formed like a substantially U-shaped groove along the periphery of the lower surface of the bowl portion 11.

The foot detection unit 4 is provided below the toilet main body 10 and detects the user's feet. As shown in FIG. 2, it is placed in the recess 13. More specifically, the foot detection part 4 is arranged on the front side of the drain trap 11b and is fixed to the inner surface 12a of the peripheral wall part 12 on the front side of the toilet main body 10. The foot detection section 4 includes a mounting section 41 and a sensor section 42.

As shown in FIGS. 3 and 4, the attachment portion 41 is a substantially T-shaped member in plan view. The mounting portion 41 is a bracket that is mounted in a cantilevered manner. The attachment part 41 is fixed to the inner surface 12a of the peripheral wall part 12 of the toilet main body 10 with a screw, and is attached so as to extend in the front-rear direction of the toilet main body 10. The entire mounting portion 41 is disposed within the recess 13. The inner surface 12a on the front side of the peripheral wall portion 12 has a surface that does not cause any problem even if a hole is formed therein. The T-shaped horizontal bar portion 41a of the mounting portion 41 is fixed against the inner surface 12a of the peripheral wall portion 12, and the T-shaped vertical bar portion 41b extends toward the rear side. The vertical bar portion 41b is arranged substantially at the center of the toilet main body 10 in the left-right direction.

The sensor section 42 is a section that is connected to the attachment section 41 and performs detection. As shown in FIG. 4, the sensor section 42 includes a sensor 420, a sensor holder 421, a sensor case 422, a sensor window 423, and a harness section 424 as wiring.

Sensor 420 is an infrared ranging sensor. The sensor 420 has a light emitting section and a light receiving section (not shown). The light emitted from the light emitting part is reflected and received by the light receiving part, and by measuring the distance, it is detected that the user's feet are approaching.

The sensor holder 421 is a housing that holds the sensor 420. The sensor holder 421 is formed into a substantially rectangular parallelepiped in which two rectangular cylindrical portions are integrated in a parallel state.

The sensor case 422 is a case that can accommodate the sensor 420 and the sensor holder 421 inside. The sensor case 422 includes a case portion 422a, a thin piece 422b, and a flap piece 422c. The case portion 422a has a box shape with an open upper and front side wall. The sensor case 422 accommodates the sensor 420 and the sensor holder 421 in a case portion 422a, and is fixed to the lower surface of the mounting portion 41 with screws. The thin pieces 422b are a pair of plate-shaped pieces that extend rearward from one side and the other side in the left-right direction at the rear end of the case portion 422a.

The flap piece 422c protrudes outward from the outer peripheral edge of the sensor case 422. One of the flap pieces 422c protrudes forward from the front edge of the case portion 422a of the sensor case 422. The remaining two flap pieces 422c protrude outward from the pair of side edges of the sensor case 422 at the boundary between the case portion 422a and the thin piece 422b. The flap piece 422c has a flat surface with a through hole 422d formed in the center, and is screwed below the mounting portion 41 and the recess 13.

The sensor window 423 is a resin plate attached to the front opening of the sensor case 422. The sensor window 423 blocks visible light of the light emitted from the sensor 420 and allows infrared rays to pass through.

The harness section 424 is a bundle of wires of the sensor 420 extending from the rear of the case section 422a. The harness portion 424 is held between a pair of thin pieces 422b of the sensor case 422.

As shown in FIG. 2, the foot detection section 4 is arranged above, in side view, an imaginary line IM connecting the front lower end of the peripheral wall section 12 and the front lower end of the drain trap 11b. That is, the foot detection section 4 is attached within the recess 13. More than half of the sensor section 42 in the vertical direction is disposed within the recess 13. The sensor section 42 is tilted to emit sensor light, and a portion of the sensor section 42 protrudes downward from the toilet main body 10. A portion of this protruding sensor section 42 is located above the virtual line IM. The detection area of the foot detection unit 4 is, for example, approximately 70 mm in front of the tip of the toilet main body 10 and approximately 80 mm above the floor surface. The detection area may be changed as appropriate. The sensor section 42 may be disposed biased toward either the left or right direction.

The protection member 5 is a rubber tube that covers the harness portion 424 . As shown in FIG. 3, the protection member 5 is fastened to the rear of the sensor case 422 by clamping the end of the tube with a metal ring. The protection member 5 is arranged on the lower surface side of the bowl part 11 so as to extend from the rear of the sensor case 422, along the periphery of the drain trap 11b, and along the recess 13 to the rear of the toilet main body 10. Since the protective member 5 is entirely disposed within the recess 13, it is not visible from the outside of the toilet main body 10 in front and side views of the toilet main body 10. The protection member 5 has such rigidity that it does not move when fitted into the recess of the recess 13, and is not fixed to the toilet main body 10 with a nut or the like. The protection member 5 is inserted into a through hole formed at the rear of the toilet main body 10 and placed inside the rear of the toilet main body 10 .

According to the first embodiment described above, the following effects are achieved. The toilet device 1 has a bowl part 11 with an open top, a peripheral wall part 12 that covers the outer periphery of the bowl part 11, and a recess 13 formed by the inner surface of the peripheral wall part 12, and the toilet main body 10 is installed in a wall-mounted manner. and a foot detection section 4 disposed in the recess 13. By arranging the foot detecting section 4 in the recess 13, there is no fear that the foot detecting section 4 will be touched by the user or that it will receive an external impact, and the possibility of damage or false detection is reduced. When the foot detecting section 4 is disposed within the recess 13, the foot detecting section 4 is not visible during normal use. Therefore, the degree of freedom in designing the external appearance is improved, and the aesthetic appearance can be improved.

According to the first embodiment, the foot detection section 4 is fixed to the inner surface 12a of the peripheral wall section 12. By fixing the foot detecting section 4 to the inner surface 12a of the peripheral wall section 12, the foot detecting section 4 is placed at a position close to the user's foot, and detection can be performed reliably. Since the foot detection section 4 can be attached to the inner surface 12a of the peripheral wall section 12, it can be stably fixed with a simple structure.

According to the first embodiment, the toilet main body 10 is configured to include a drain trap 11b extending from the drain port 11a of the bowl portion 11. The foot detection part 4 is arranged on the front side of the drainage trap 11b. By arranging the foot detection unit 4 in front of the drain trap 11b, it is possible to prevent the drain trap 11b from interfering with the detection range when detecting a user located in the front side of the toilet main body 10.

According to the first embodiment, the foot detection section 4 is arranged above the imaginary line IM connecting the front lower end of the peripheral wall section 12 and the front lower end of the drain trap 11b in side view. When installing the wall-mounted toilet device 1, the builder may temporarily place the toilet main body 10, with the drain trap 11b extending downward from the lower end of the peripheral wall 12, directly on the installation surface. be. However, even if a situation arises in which the toilet main body 10 with an unstable shape is placed on the installation surface, the foot detecting section 4 should be placed above the imaginary line connecting the front lower end of the toilet main body 10 and the lower surface of the drain trap. By arranging it upward in side view, it is possible to reduce the possibility that the foot detection section 4 will come into contact with the installation surface and be damaged.

According to the first embodiment, the foot detection section 4 is configured to include an attachment section 41 that is attached to the toilet main body 10 side, and a sensor section 42 that is connected to the attachment section 41 and performs detection. This results in
The attachment part 41 is firmly attached to the toilet main body 10, and delicate adjustments such as positioning of the sensor part 42 can be made between the sensor part 42 and the attachment part 41. Therefore, it is possible to securely fix the device and to easily adjust the position.

According to the first embodiment, the device further includes a protection member 5 that covers the harness portion 424 extending from the foot detection portion 4 , and the protection member 5 is arranged along the recess 13 . The harness part 424 extending from the foot detection part 4 can be protected by covering it with the protection member 5, and by arranging the protection member 5 in the recess 13, the protection member 5 can be made difficult to see from the outside. , the appearance can be designed neatly.

FIG. 5 is a developed view showing the foot detection section 4A of the toilet device 1A according to the second embodiment. In the following description of the second embodiment, the description of the same components as those of the first embodiment will be omitted and the same reference numerals will be used. The foot detection section 4A according to the second embodiment differs from the first embodiment in that it includes an adjustment mechanism 40 that can adjust the detection position of the foot detection section 4A with respect to the toilet main body 10. Specifically, the adjustment mechanism 40 can adjust the attachment angle to the toilet main body 10 in the left-right direction of the toilet main body 10. The adjustment mechanism 40 includes a fixing part 411 of a mounting part 41A, which will be described later, a through hole 422d formed in a flap piece 422c of a sensor case 422A in a sensor part 42A, and a mounting hole 426 formed in a mounting surface 425, which will be described later. configured.

The attachment portion 41A includes a fixing portion 411 and a positioning hole 412. The fixing part 411 is arranged on the rear side of the attachment part 41A, and the center part in the left-right direction at the rear end of the attachment part 41A is formed so as to protrude most rearward. A screw hole for screwing the sensor section 42A is formed on the lower surface side of the fixing section 411.

The positioning holes 412 are a plurality of through holes arranged in front of the fixing part 411, as shown in FIGS. 6A to 6C. The positioning holes 412 are formed side by side in the left-right direction on the arc of a virtual circle centered on a through-hole 422d for fixing a sensor case 422A, which will be described below. The positioning hole 412 is also formed in line with the front side of the plurality of attachment holes 426 with the sensor case 422A of the sensor section 42A in contact with the attachment section 41A.

The sensor portion 42A has a mounting surface 425, a mounting hole 426, and a convex portion 427. The mounting surface 425 is arranged at the rear of the sensor case 422A, and extends in a planar manner so as to connect the upper end sides of the pair of thin pieces 422b in the sensor case 422A. The mounting surface 425 is a surface that contacts the mounting portion 41A when the sensor portion 42A is in contact with the mounting portion 41A. The harness portion 424 and the protection member 5 are arranged below the attachment surface 425.

The mounting hole 426 is arranged on the mounting surface 425 closer to the case portion 422a. The mounting holes 426 are formed in three rows in the left-right direction on the arc of a virtual circle centered on the through-hole 422d for fixing the sensor case 422A. Attachment hole 426 is a through hole.

The convex portion 427 is a hemispherical protrusion that is disposed in front of the attachment hole 426 at the center in the left-right direction among the three attachment holes 426 arranged in a row. The convex portion 427 is arranged so as to be latched to the positioning hole 412. In FIGS. 6A to 6C, the convex portion 427 is shown in gray for convenience of explanation.

The sensor case 422A of the sensor section 42A has one flap piece 422c that projects outward from the front edge of the outer peripheral edge of the case section 422a. In the first embodiment, three flap pieces 422c are formed. In the second embodiment, there is no flap piece 422c protruding from the side edge of the sensor case 422A, and the flap piece 422c protrudes only from the left-right center of the front edge disposed on the front side of the case portion 422a. The flap piece 422c has a through hole 422d. As shown in FIG. 6A, by inserting a screw 61 as a first fastener into the through hole 422d and fastening it to the mounting portion 41A, the screw 61 becomes a rotation axis for changing the direction of the sensor portion 42A.

As shown in FIG. 6A, when fixing the sensor part 42A to the mounting part 41A, first, temporarily fix the flap piece 422c protruding from the front edge of the sensor case 422A to the lower surface of the front side of the mounting part 41A with a screw 61. do. Temporary fixation means that the sensor section 42A rotates left and right around the screw 61.

As shown in FIG. 6A, if there is no need to change the angle, move the convex portion 427 located in front of the mounting hole 426 to the center in the left-right direction among the plurality of positioning holes 412 formed in the mounting portion 41A. The sensor portion 42A is positioned by being locked in the positioning hole 412. Thereafter, a screw 62 serving as a second fastener is inserted into the center mounting hole 426 of the mounting holes 426 formed in the mounting surface 425 and fastened, thereby fixing it to the fixing part 411 of the mounting part 41A.

If it is determined that it is easier to use by changing the detection range of the foot detection part 4A, the angle of the sensor part 42A is changed during construction. Specifically, as shown in FIGS. 6B and 6C, the sensor section 42A is temporarily fixed rotatably to the mounting section 41A using the first fastener inserted into the through hole 422d in the flap piece 422c as a pivot. Then, one of the left and right mounting holes 426 is selected. By shifting the position of the sensor part 42A with respect to the mounting part 41A and first locking the convex part 427 on the sensor part 42A side to either the left or right hole of the positioning holes 412 on the mounting part 41A side, Position the sensor section 42A so that it does not bend. In FIG. 6B, the convex portion 427 is located on the right side of the positioning hole 412. In FIG. 6C, the convex portion 427 is located on the left side of the positioning hole 412.

When the convex portion 427 is engaged with the positioning hole 412, the position of the sensor portion 42A is determined so that the attachment hole 426 and the fixing portion 411 of the attachment portion 41A are aligned at a predetermined angle.

After determining the position of the mounting hole 426 and the fixing part 411, insert the screw 61 that fastens the flap piece 422c and the screw 62 into the selected mounting hole 426 and tighten them to fix the sensor case 422A to the mounting part 41A. do. The adjustment mechanism 40 adjusts the mounting angle of the sensor section 42A with respect to the mounting section 41A. The angle that can be changed by shifting the attachment hole 426 is 10 degrees in each direction from the center of the attachment hole 426 to the left and right. By aligning the positioning hole 412 and the convex portion 427, the angle can be adjusted more accurately. It is also possible to adjust the vertical height by adjusting the depth of the screw fastening. Thereby, the detection range of the foot detection unit 4A can be set at a position corresponding to the dominant foot of the user.

As a modification of the second embodiment, the adjustment mechanism may adjust the detection position by moving the attachment part or sensor part of the foot detection part in the vertical direction or in the left-right direction.

FIG. 7 is a perspective view showing a foot detection section 4B according to the third embodiment. As shown in FIG. 7, the foot detection section 4B may further include an indicator 43 that displays the detection range of the foot detection section 4B. The indicator 43 is an LED that is lit during operation. Indicator 43 is arranged inside sensor case 422. The indicator 43 emits visible light from the position where the sensor section 42 is disposed toward the front of the toilet main body 10, and informs the user of the detection range of the foot detection section 4B using visible light. By providing the indicator 43, the user can know that the foot detection section 4B is operating and its detection range, and can detect the foot more reliably. Indicator 43 may be placed outside sensor case 422. The indicator 43 may be combined with the foot detection units 4 and 4A in the first and second embodiments.

The present disclosure is not limited to the above embodiments, and modifications, improvements, and the like are included in the present disclosure. As long as a portion of the protective member 5 is disposed within the recess 13, the entire protection member 5 does not need to be disposed within the recess 13. The human body detection unit may detect objects other than human feet. If the approach of a person can be detected, other parts of the human body may also be detected, or devices that supplement or extend the human body, such as walking aids, may be detected.

1 Toilet device, 4 Foot detection part (human body detection part), 5 Protective member, 10 Toilet main body, 11 Bowl part, 11a Drain port, 11b Drainage trap, 12 Peripheral wall part, 12a Inner surface, 13 Recessed part, 40 Adjustment mechanism, 41 Mounting part, 42 Sensor part, 411 Fixing part, 422d Through hole, 424 Harness part (wiring), 425 Mounting surface, 426 Mounting hole 43 Indicator

Claims (6)

A toilet main body that is installed in a wall-mounted manner and has a bowl portion with an open top, a peripheral wall portion that covers the outer periphery of the bowl portion, and a recessed portion formed by an inner surface of the peripheral wall portion;
A human body detection unit disposed in the recess,
The human body detection section includes a mounting section attached to an inner surface of the peripheral wall so as to extend in the front-rear direction of the toilet main body, and a mounting section that is connected to the mounting section and partially protrudes downward from the toilet main body. A toilet device comprising: a sensor section that is attached and performs detection ;
Toilet device. The toilet main body has a drain trap extending from the drain port of the bowl portion,
The toilet device according to claim 1 , wherein the human body detection section is arranged in front of the drain trap. The toilet device according to claim 2 , wherein the human body detection section is arranged above, in side view, an imaginary line connecting the lower front end of the peripheral wall and the lower end of the drain trap. The toilet device according to any one of claims 1 to 3 , wherein the human body detection section has an indicator that displays a detection range. The toilet device according to any one of claims 1 to 4 , wherein the human body detection section has an adjustment mechanism that can adjust the angle at which it is attached to the toilet main body. The toilet device according to any one of claims 1 to 5 , further comprising a protective member that covers wiring extending from the human body detection section.

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