JP2021130999A - Water closet device - Google Patents

Abstract

To provide a water closet device that can reduce risk of pipe disconnection due to erroneous operation and of water leakage.SOLUTION: The water closet device comprises: a toilet bowl body; a sanitary washing device; a valve unit 14 which branches supplied washing water into washing water used in the sanitary washing device and washing water for washing a bowl part, and also supplies and stops the washing water to the bowl part; a sanitary washing device connection pipe 6c which connects the valve unit 14 and the sanitary washing device; a quick fastener 48 which is attached to a connection part between a connection pipe attachment part of the valve unit 14 and the sanitary washing device connection pipe 6c to prevent the sanitary washing device connection pipe 6c from falling off; and a fastener cover 50 which is arranged so as to cover the quick fastener 48. The fastener cover 50 is formed so as to surround an entire circumference of the sanitary washing device connection pipe 6c, is configured separately from the valve unit 14, and is fixed to the valve unit 14 by a set screw 50a.SELECTED DRAWING: Figure 4

Description

The present invention relates to a flush urinal device, and more particularly to a flush urinal device including a sanitary cleaning device and a valve unit.

Most of the water-washing toilet bowls currently installed are equipped with sanitary cleaning equipment. In addition, many water-washing toilet bowl devices are provided with a valve unit for supplying and stopping the washing water for washing the bowl portion. Therefore, in a flush urinal device equipped with a sanitary cleaning device and a valve unit, it is necessary to branch the water supplied from the tap water to both the sanitary cleaning device and the valve unit.

In this way, in order to branch tap water to the sanitary cleaning device and valve unit, conventionally, a branch fitting is attached near the water stop valve raised from the floor of the toilet room, etc., and sanitary cleaning is performed from this branch fitting. Piping was connected to the device and the valve unit, respectively. However, in such a water supply system, two pipes, one for the sanitary cleaning device and the other for the valve unit, extend from the faucet in the toilet room, and the aesthetic appearance of the water-washing toilet device is spoiled.

On the other hand, in the toilet device described in Japanese Patent Application Laid-Open No. 2017-31601 (Patent Document 1), one water supply pipe is drawn into the toilet device from a water stopcock in the toilet room, and the water supply is sanitized and washed in the toilet device. Divided into equipment and toilet bowl cleaning. As a result, the invention described in Patent Document 1 has succeeded in giving the toilet device installed in the toilet room a neat appearance.

JP-A-2017-31601

However, the toilet device described in Patent Document 1 has a problem that the pipe connected to the water supply valve and the sanitary cleaning device may be removed by an erroneous operation. That is, in the toilet device described in Patent Document 1, various devices and pipes such as a connection portion between the water supply connection portion and the water supply pipe are exposed by removing the upper cover behind the toilet bowl. Therefore, if a person who is not familiar with the maintenance or repair of the toilet device opens the upper cover and tries to perform maintenance or the like, there is a risk that the pipe that should not be removed may be accidentally removed.

That is, if the branch fitting is installed near the water stopcock in the toilet room, the person who operates it is limited to a professional contractor or a waterworks worker, and there is a probability that water leakage or the like will occur due to an erroneous operation. Is extremely low. On the other hand, in the toilet device described in Patent Document 1, since branching is performed inside the device, various devices are housed in the upper cover, and a person who is not necessarily familiar with the handling of piping is the upper cover. May open. For example, since various electric devices are also housed in the upper cover, it is conceivable that an electric engineer who is not accustomed to handling water pipes can open the upper cover. Alternatively, it is conceivable that an emergency operation is required in the event of a power failure or the like, and a general user opens the upper cover to operate the water supply valve (valve unit). For this reason, in the type of flush toilet device in which the supplied tap water is branched in the toilet device (wash toilet device), there is a high risk that the piping will be removed or water leakage will occur due to an erroneous operation. There is a problem.

Therefore, an object of the present invention is to reduce the risk of pipe disconnection and water leakage due to erroneous operation in a flush toilet device equipped with a sanitary cleaning device and a valve unit.

In order to solve the above-mentioned problems, the present invention is a water-washing urinal device provided with a sanitary cleaning device and a valve unit, which is arranged on a urinal body having a bowl portion for receiving filth and the urinal body. The sanitary cleaning equipment and the cleaning water connected to the water supply pipe are branched into the cleaning water used in the sanitary cleaning equipment and the cleaning water for cleaning the bowl, and the cleaning water for cleaning the bowl. The sanitary cleaning device is attached to the valve unit that supplies and stops, the sanitary cleaning device connection pipe that connects the valve unit and the sanitary cleaning device, and the connection between the valve unit connection pipe attachment part and the sanitary cleaning device connection pipe. It has a quick fastener to prevent the connection pipe from falling off from the valve unit, and a fastener cover arranged so as to cover the part to which the quick fastener is attached. The fastener cover is a sanitary cleaning device connection pipe. It is characterized in that it is formed so as to surround the entire circumference of the above, and is configured separately from the valve unit and is fixed to the valve unit with a set screw.

In the present invention configured as described above, the cleaning water supplied from the water supply pipe is branched into the cleaning water used in the sanitary cleaning device and the cleaning water for cleaning the bowl portion in the valve unit. In addition, the valve unit supplies and stops the cleaning water for cleaning the bowl portion of the toilet bowl body. The valve unit and the sanitary cleaning device are connected by a sanitary cleaning device connecting pipe. A quick fastener is attached to the connection part between the connection pipe attachment part of the valve unit and the sanitary cleaning device connection pipe to prevent the sanitary cleaning device connection pipe from falling off. A fastener cover is attached to the part to which the quick fastener is attached so as to cover it.

According to the present invention configured in this way, since the quick fastener is attached to the connection portion between the connection pipe attachment portion of the valve unit and the sanitary cleaning device connection pipe, the sanitary cleaning device connection pipe is accidentally dropped off. Can be prevented. Further, the fastener cover is arranged so as to cover the portion to which the quick fastener is attached. Therefore, it is unlikely that a person who does not need to remove the sanitary cleaning device connecting pipe will remove the quick fastener, and the risk of the sanitary cleaning device connecting pipe being removed due to an erroneous operation can be reduced. Further, the fastener cover is configured separately from the valve unit and is fixed to the valve unit by a set screw. Therefore, if the fastener cover is accidentally damaged, only the fastener cover can be replaced, and the cost required for repair can be reduced.

In the present invention, preferably, the valve unit is attached to the rear and side surfaces of the toilet body, and the set screw for fixing the fastener cover is attached to the valve unit from the side of the toilet body.

According to the present invention configured in this way, since the valve unit is attached to the rear surface and the side surface of the toilet bowl body, it is possible to construct a flush toilet bowl device having a low silhouette shape and having an excellent appearance. In addition, since the set screw that fixes the fastener cover is attached to the valve unit from the side of the toilet body, the fastener cover can be replaced without moving the toilet body, improving maintainability. can.

In the present invention, it is preferable to further have a water storage tank for storing wash water for washing the bowl portion, and the water storage tank is arranged behind the toilet bowl body and below the upper end surface of the toilet bowl body. Extending, the flush cover is located below the water storage tank.

According to the present invention configured in this way, since the water storage tank for storing the washing water extends below the upper end surface of the toilet bowl body, a low-silhouette-shaped washing toilet bowl device having an excellent appearance is configured. It becomes possible to do. In addition, since the fastener cover is attached below the water storage tank, it is difficult to access the fastener cover, and there is an additional risk of unintentionally opening the fastener cover to expose the quick fasteners or damaging the fastener cover. Can be reduced.

In the present invention, preferably, the fastener cover has a first side plate provided with an opening for receiving the connection pipe mounting portion of the valve unit, a second side plate provided with an opening for receiving the sanitary cleaning device connection pipe, and a first side plate. It is formed of two connecting side plates that connect the second side plate and an opening / closing plate that opens and closes the upper end opening surrounded by the first side plate, the second side plate, and the two connecting side plates. It is rotatably connected to one of the side plates.

According to the present invention configured in this way, the connection portion between the connection pipe attachment portion of the valve unit and the sanitary cleaning device connection pipe constitutes the fastener cover, the first and second side plates, the two connection side plates, and the opening / closing. Since it is surrounded by a plate, it is possible to effectively prevent accidental detachment of the quick fastener.

According to the flush toilet device of the present invention, it is possible to reduce the risk of pipe disconnection and water leakage due to erroneous operation.

It is an overall block diagram of the flush-toilet bowl apparatus by one Embodiment of this invention. It is a side view of the flush toilet bowl device by one Embodiment of this invention. FIG. 2 is a cross-sectional view taken along the line III-III of the valve unit of the flush toilet bowl device according to the embodiment of the present invention shown in FIG. FIG. 5 is an enlarged perspective view showing a valve unit attached below a water storage tank in a flush toilet device according to an embodiment of the present invention. It is a perspective view of the fastener cover used in the flush toilet device by one Embodiment of this invention. It is a perspective view of the quick fastener used in the flush toilet device by one Embodiment of this invention. It is a partially enlarged top view which shows the connection part to the valve unit of the sanitary cleaning device connection pipe in the flush toilet bowl device by one Embodiment of this invention in an enlarged manner. It is sectional drawing which follows the line VIII-VIII in FIG.

Hereinafter, a flush toilet bowl device according to an embodiment of the present invention will be described with reference to the accompanying drawings.
First, FIG. 1 is an overall configuration diagram of a flush toilet bowl device according to an embodiment of the present invention. Further, FIG. 2 is a side view of the flush toilet bowl device according to the embodiment of the present invention.
As shown in FIGS. 1 and 2, the flush toilet device 1 according to the embodiment of the present invention includes a ceramic toilet body 2, a sanitary cleaning device 3 arranged on the pot body 2, and a rear side of the toilet body 2. The tank device 4 is provided in the above, and the sanitary cleaning device 3 and the valve unit 14 for supplying cleaning water to the tank device 4 are provided.

Further, the toilet bowl main body 2 includes a bowl portion 2a that receives filth, a drain trap portion (drain trap pipe 2b) that extends from the bottom of the bowl portion 2a and discharges filth in the bowl portion 2a, and an upper edge of the bowl portion 2a. It is provided with a rim portion 2c formed in.
The sanitary cleaning device 3 is arranged on the rear portion of the toilet bowl main body 2 and is configured to clean the local area based on the operation of the user.
The tank device 4 constitutes a part of a water supply unit that supplies cleaning water to the toilet bowl main body 2 for cleaning the bowl portion 2a. Details of the tank device 4 will be described later.

The valve unit 14 is connected to the water supply pipe 6a and branches the supplied cleaning water into the cleaning water used in the sanitary cleaning device 3 and the cleaning water stored in the tank device 4 for cleaning the bowl portion 2a. It is configured as follows. Further, the valve unit 14 is configured to supply and stop the cleaning water stored in the tank device 4 for cleaning the bowl portion 2a.

Further, as shown in FIG. 1, the water supply path is provided with a water stop valve 12 and a valve unit 14, respectively, from the upstream side to the downstream side. That is, as shown in FIG. 2, a water stopcock 12 is attached to a water pipe raised from the floor surface F1 of the toilet room, and a water supply pipe 6a extends from the water stopcock 12 to the valve unit 14. Further, as shown in FIG. 1, the valve unit 14 includes a constant flow rate valve 16 provided on the downstream side of the water supply pipe 6a, and an on-off valve (diaphragm type main) provided on the downstream side of the constant flow rate valve 16. Each includes a solenoid valve 18 that opens and closes the valve body 17).

Further, a tank device connecting pipe 6b is connected to the downstream side of the valve unit 14, and the tank device connecting pipe 6b supplies washing water to the water storage tank 10 of the tank device 4. That is, in the valve unit 14, the flow rate of the washing water flowing from the water supply pipe 6a is constantly adjusted by the constant flow rate valve 16. After that, when the solenoid valve 18 is electromagnetically opened and the flow path is opened by the on-off valve (diaphragm type main valve body 17), the washing water flowing out from the valve unit 14 passes through the tank device connecting pipe 6b. Is sent to the tank device 4. The washing water that has flowed into the tank device 4 is supplied to the tank unit 22 via the connecting unit 20.

On the other hand, the cleaning water that has passed through the constant flow valve 16 is branched on the upstream side of the on-off valve, and the branched cleaning water is supplied to the sanitary cleaning device 3 via the sanitary cleaning device connecting pipe 6c.
Further, as shown in FIGS. 1 and 2, the tank device 4 includes a water discharge pipe 8 connected to the downstream side thereof.

Next, as shown in FIG. 1, the connecting unit 20 includes a housing 24, an overflow pipe 26, and a check valve 28.
Further, the lower opening of the housing 24 is detachably connected to the upper opening of the water storage tank 10 of the tank unit 22.

Further, the overflow pipe 26 connects the overflow port provided in a part of the side wall of the housing 24 and the water discharge pipe 8.
The upstream side of the water discharge pipe 8 is connected to the pump 30 of the tank device 4, and the downstream side thereof is connected to the rim headrace inside the rim portion of the toilet bowl main body 2.
Further, the check valve 28 is provided on the side wall of the housing 24 to allow the washing water in the housing 24 to flow into the overflow pipe 26, while the washing water in the overflow pipe 26 enters the housing 24. It is possible to prevent the backflow of.

Next, as shown in FIG. 1, the tank unit 22 includes a water storage tank 10, a pump 30, a float switch 32, and a drain plug 34.
The pump 30 is provided in the middle of the water pipe 36 connected to the upstream side of the water discharge pipe 8. The upstream end of the water pipe 36 is connected to the downstream end of the suction pipe 38 provided in the water storage tank 10.

The wash water stored in the water storage tank 10 is sucked from the suction pipe 38 into the water passage pipe 36 by the operation of the pump 30, and then pumped to the water discharge pipe 8 via the pump 30. There is.
As a result, all of the wash water supplied from the water storage tank 10 to the water discharge pipe 8 by the pump 30 is supplied into the rim headrace of the toilet bowl main body 2. Then, the washing water in the rim headrace is discharged from the rim spout into the bowl portion 2a, and the toilet bowl is washed (so-called toilet bowl washing with 100% rim spouting water).

The float switch 32 detects the water level in the water storage tank 10, and the opening / closing operation of the solenoid valve 18 of the valve unit 14 is a controller (not shown) based on the water level in the water storage tank 10 detected by the float switch 32. ). Further, the operation of the pump 30 is also controlled by a controller (not shown) based on the water level in the water storage tank 10 detected by the float switch 32. For example, when the water level in the water storage tank 10 detected by the float switch 32 is equal to or lower than a predetermined value, the solenoid valve 18 is opened and the pump 30 is operated. Then, when the water level in the water storage tank 10 reaches a predetermined water level, the solenoid valve 18 is closed and the pump 30 is stopped.

The drain plug 34 is provided on the bottom surface of the water storage tank 10. The drain plug 34 is normally closed at all times and is opened as needed so that the washing water in the water storage tank 10 can be discharged to the outside.

Next, the details of the valve unit of the flush toilet bowl device according to the embodiment of the present invention will be described with reference to FIGS. 3 to 5.
First, FIG. 3 is a cross-sectional view taken along the line III-III of the valve unit of the flush toilet bowl device according to the embodiment of the present invention shown in FIG.

As shown in FIGS. 2 and 3, the valve unit 14 is arranged at the lower end of the water storage tank 10 of the tank device 4 arranged at the rear part of the toilet bowl main body 2. That is, the water storage tank 10 extends below the rim portion 2c, which is the upper end surface of the toilet bowl body 2, the valve unit 14 is arranged below the water storage tank 10, and is located below the bowl portion 2a of the toilet bowl body 2. Is also provided in the rear area. Further, the valve unit 14 is covered with a single cover member 39 that is detachably provided on the side of the rear region of the toilet bowl main body 2. In the flush toilet device 1 shown in FIG. 2, the cover member 39 is omitted and is shown only by an imaginary line.

Further, the tank device connecting pipe 6b for supplying wash water from the valve unit 14 to the tank device 4 is connected to the front end portion of the valve unit 14. On the other hand, the sanitary cleaning device connecting pipe 6c for supplying cleaning water from the valve unit 14 to the sanitary cleaning device 3 is connected to the lower part of the valve unit 14.

Next, FIG. 4 is an enlarged perspective view of a valve unit mounted below the water storage tank. In addition, in FIG. 4, a plurality of parts attached for connecting the sanitary cleaning device connecting pipe 6c to the valve unit 14 are also shown in a disassembled state.

As shown in FIG. 4, the valve unit 14 is attached so as to be suspended below a base plate 42 provided behind the toilet bowl body 2. Further, the valve unit 14 has a substantially cylindrical valve unit main body 14a, and the constant flow valve 16 and the main valve body 17 (FIG. 1) are housed in the valve unit main body 14a. Further, an electromagnetic valve 18 for driving a pilot valve (not shown) for opening and closing the main valve body 17 is attached to the front side portion of the valve unit main body 14a. Further, a handle portion 40 for opening the main valve body 17 by a manual operation of the user is provided on the central side portion of the valve unit main body portion 14a in the event of a power failure.

In a normal state, a control signal is sent from the controller (not shown) to the solenoid valve 18 to open and close the main valve body 17, so that the valve unit 14 uses the cleaning water for cleaning the bowl portion 2a. Supply and stop the tank device 4. On the other hand, in an emergency such as a power failure, the user operates the handle portion 40 to open the main valve body 17 and supply the tank device 4. In the event of a power failure, the wash water supplied from the valve unit 14 to the tank device 4 flows into the toilet bowl main body 2 via the overflow pipe 26, and the bowl portion 2a is washed.

Further, as shown in FIG. 4, a mounting portion 14b for connecting the tank device connecting pipe 6b is provided at the front end portion of the valve unit main body portion 14a. Further, at the rear end of the valve unit main body 14a, a mounting portion 14c for connecting the water supply pipe 6a extending from the water stop valve 12 is provided. Further, the washing water flowing from the water supply pipe 6a is branched in the valve unit main body 14a, one is guided to the main valve body 17 (FIG. 1), and the other is projected downward from the valve unit main body 14a. It is guided to the protrusion 44 provided in.

The protruding portion 44 projects downward from the rear side of the valve unit main body portion 14a with respect to the handle portion 40. A connection pipe mounting portion 45 for connecting the sanitary cleaning device connecting pipe 6c is provided on the outer side surface of the protruding portion 44. Further, on the lower side of the connecting pipe mounting portion 45, a cover fixing portion 44a projecting horizontally in the same direction as the connecting pipe mounting portion 45 is provided.

On the other hand, an L-shaped connecting member 46 is provided at the base end of the sanitary cleaning device connecting pipe 6c connected to the connecting pipe mounting portion 45. The sanitary cleaning device connecting pipe 6c is connected to the connecting pipe mounting portion 45 of the valve unit 14 via the connecting member 46.

Further, a quick fastener 48 is attached to the connection portion between the connection pipe attachment portion 45 of the valve unit 14 and the connection member 46 of the sanitary cleaning device connection pipe 6c, and the sanitary cleaning device connection pipe 6c falls off from the valve unit 14. Is prevented. The portion to which the quick fastener 48 is attached is covered with the fastener cover 50. The fastener cover 50 is fixed to the cover fixing portion 44a by the set screw 50a. That is, when the fastener cover 50 is fixed to the cover fixing portion 44a by the set screw 50a, the tip end portion of the connecting pipe mounting portion 45 is received in the fastener cover 50. In this state, the connecting member 46 of the sanitary cleaning device connecting pipe 6c is connected to the connecting pipe mounting portion 45, and the quick fastener 48 is attached to this connecting portion.

The connection pipe mounting portion 45 is formed in a substantially cylindrical shape, and the inside thereof is communicated with the inside of the valve unit main body 14a so that the washing water branched at the valve unit main body 14a flows out. .. Further, a flange portion 45a extending outward in the radial direction is formed at the tip portion of the connection pipe mounting portion 45.

The connecting member 46 is a pipe member that is provided at the base end of the sanitary cleaning device connecting pipe 6c and is bent in a substantially L shape. Connected to 6c. A small diameter portion 46a and a large diameter portion 46b are provided at the connection portion of the connection member 46 with the connection pipe mounting portion 45, and the small diameter portion 46a is inserted into the connection pipe mounting portion 45 to connect. The member 46 is connected to the connecting pipe mounting portion 45. Further, the O-ring attached to the outer circumference of the small diameter portion 46a ensures watertightness between the connecting member 46 and the connecting pipe attaching portion 45. Further, a flange portion 46c extending outward in the radial direction is formed at an end portion of the large diameter portion 46b on the small diameter portion 46a side. The flange portion 45a of the connecting pipe mounting portion 45 and the flange portion 46c of the connecting member 46 have substantially the same diameter, and when the connecting member 46 is attached to the connecting pipe mounting portion 45, the flange portion 45a and the flange The portions 46c come into contact with each other.

Next, the structure of the fastener cover 50 will be described with reference to FIG.
FIG. 5 is a perspective view of the fastener cover 50. As shown in FIG. 5, the fastener cover 50 includes a first side plate 52, a second side plate 54, two connecting side plates 56 connecting them, and an opening / closing plate 58 rotatably connected to one connecting side plate 56. It is a resin part formed from and. The fastener cover 50 is configured separately from the valve unit 14, and in the unlikely event that the fastener cover 50 is damaged, only the fastener cover 50 can be replaced. The first side plate 52 is a flat plate-shaped portion provided with a circular opening for receiving the connection pipe mounting portion 45 of the valve unit 14, and is composed of a rectangular portion and a semicircular portion continuously formed below the rectangular portion. ing. The second side plate 54 is a flat plate-shaped portion formed substantially parallel to the first side plate 52. The second side plate 54 is provided with a circular opening for receiving the connecting member 46 of the sanitary cleaning device connecting pipe 6c, and is composed of a rectangular portion and a semicircular portion continuously formed below the rectangular portion. The two connecting side plates 56 are substantially rectangular plate-shaped portions formed substantially in parallel so as to connect the side edges on both sides of the first side plate 52 and the second side plate 54.

As a result, a rectangular upper end opening surrounded by the first side plate 52, the second side plate 54, and the two connecting side plates 56 is formed at the upper end of the fastener cover 50. Further, an opening / closing plate 58 for opening / closing the upper end opening is rotatably connected to the connecting side plate 56 provided on the back side of the toilet body 2. That is, the opening / closing plate 58 is a rectangular plate-shaped portion, and the connecting portion between the opening / closing plate 58 and one of the connecting side plates 56 is elastically foldably connected. From the state shown in FIG. 5, the upper end opening of the fastener cover 50 is covered by the opening / closing plate 58 by bending the connecting portion of the opening / closing plate 58 by about 180 degrees.

Further, a flat plate-shaped engaging portion 58a extending substantially at right angles to the opening / closing plate 58 is provided at the tip of the opening / closing plate 58. On the other hand, the connecting side plate 56 to which the opening / closing plate 58 is not connected is provided with an engaging claw 56a. When the connecting portion of the opening / closing plate 58 is bent by about 180 degrees, the edge of the rectangular opening provided in the engaging portion 58a engages with the engaging claw 56a. As a result, the opening / closing plate 58 is snapped in a state where the upper end opening of the fastener cover 50 is closed. The upper end opening of the fastener cover 50 is closed by the opening / closing plate 58, but each connecting side plate 56 is not provided up to the lower portion of the fastener cover 50, and the lower portion of the fastener cover 50 is open.

Further, a tongue portion 54a is provided at the lower part of the second side plate 54 so as to project downward. By fixing the set screw 50a through the round hole provided in the tongue portion 54a, the fastener cover 50 can be screwed and fixed to the valve unit 14. That is, a female screw hole is provided at the tip of the cover fixing portion 44a (FIG. 4) provided in the protruding portion 44 protruding downward from the valve unit 14. The fastener cover 50 can be fixed to the valve unit 14 by screwing the set screw 50a into the female screw through the round hole of the tongue portion 54a. If the fastener cover 50 is damaged, the set screw 50a can be removed and the fastener cover 50 can be replaced. Here, the set screw 50a attaches the fastener cover 50 to the valve unit 14 from the side of the toilet body 2. Therefore, when replacing the fastener cover 50, the set screw 50a can be attached and detached without moving the toilet bowl body 2, and the fastener cover 50 can be easily replaced.

Next, the structure of the quick fastener 48 will be described with reference to FIG.
FIG. 6 is a perspective view of the quick fastener 48. The quick fastener 48 is a component formed by bending a thin metal plate. The quick fastener 48 includes the connection pipe mounting portion 45 and the sanitary cleaning device connecting pipe 6c so as to prevent the connecting member 46 of the sanitary cleaning device connecting pipe 6c from falling off from the connecting pipe mounting portion 45 of the valve unit 14. It is attached to the connection part of.

As shown in FIG. 6, the quick fastener 48 is composed of a connecting portion 48a and two legs extending downward from the lower ends on both sides of the connecting portion 48a. These legs of the quick fastener 48 are bent in opposite directions so as to be convex outward. The upper half of each leg constitutes the first slope 48b, and the lower half constitutes the second slope 48c, respectively. Further, a guide portion 48d is formed at the lower end of each of the second slope portions 48c.

The connecting portion 48a is a portion formed by bending a thin plate into a substantially inverted U shape.
The first slope portion 48b is formed so as to extend downward from the lower ends on both sides of the connecting portion 48a, and is formed in a C shape so that the distance between the first slope portions 48b is widened downward. Further, each of the first slope portions 48b is provided with a substantially rectangular opening for simultaneously receiving the flange portion 45a of the connecting pipe mounting portion 45 and the flange portion 46c of the connecting member 46 when the quick fastener 48 is attached. Has been done.

The second slope portion 48c is formed so as to extend downward from the lower end of each of the first slope portions 48b, and is bent so as to narrow the distance between the second slope portions 48c. Further, each of the second slope portions 48c is provided with a substantially rectangular opening for simultaneously receiving the flange portion 45a of the connecting pipe mounting portion 45 and the flange portion 46c of the connecting member 46 when the quick fastener 48 is attached. Has been done.

The guide portion 48d is a portion extending outward from the lower end of each of the second slope portions 48c in a substantially horizontal direction. When the quick fastener 48 is attached to the connection portion between the valve unit 14 and the sanitary cleaning device connecting pipe 6c, each guide portion 48d guides the quick fastener 48 so that the distance between the legs is widened by elastic deformation.

Next, the connection of the sanitary cleaning device connection pipe 6c to the valve unit 14 will be described with reference to FIGS. 7 and 8.
FIG. 7 is a partially enlarged top view showing an enlarged connection portion of the sanitary cleaning device connecting pipe 6c to the valve unit 14. FIG. 8 is a cross-sectional view taken along the line VIII-VIII in FIG.

First, the fastener cover 50 is attached to the valve unit 14. Specifically, the fastener cover 50 is arranged at a predetermined position on the protruding portion 44 (FIG. 4) of the valve unit 14, and the set screw 50a is screwed into the cover fixing portion 44a provided on the protruding portion 44. As a result, the fastener cover 50 is fixed to the valve unit 14. In this state, the tip of the connecting pipe mounting portion 45 provided on the protruding portion 44 projects into the fastener cover 50 through the opening provided on the first side plate 52 of the fastener cover 50. Next, the connecting member 46 of the sanitary cleaning device connecting pipe 6c is connected to the connecting pipe mounting portion 45 of the valve unit 14. Specifically, the tip of the connecting member 46 is inserted into the fastener cover 50 through the opening of the second side plate 54 of the fastener cover 50, and the small diameter portion 46a provided at the tip of the connecting member 46 is attached to the connecting pipe mounting portion. Insert into 45.

In this state, as shown in FIG. 7, the tip of the connecting member 46 protrudes into the fastener cover 50, and the flange portion 46c provided on the connecting member 46 and the flange portion 45a provided on the connecting pipe mounting portion 45a. Are in contact with each other. Further, in this state, the flange portion 45a and the flange portion 46c are entirely located inside the fastener cover 50. In this state, the quick fastener 48 is inserted from the upper end opening of the fastener cover 50, and the quick fastener 48 is attached to the connection portion between the connection pipe attachment portion 45 and the connection member 46 (sanitary cleaning device connection pipe 6c). That is, when the quick fastener 48 is pressed against the connection portion between the connecting pipe mounting portion 45 and the connecting member 46, the legs on both sides of the quick fastener 48 are guided by the guide portions 48d of the quick fastener 48, and are outward due to elastic deformation. It is pushed out to. When the quick fastener 48 is pushed to a predetermined position, each guide portion 48d (FIG. 6) gets over the connection portion between the connection pipe mounting portion 45 and the connection member 46, and the quick fastener 48 returns to its original shape.

That is, as shown in FIG. 8, the connecting portion between the connecting pipe mounting portion 45 and the connecting member 46 is received between the legs on both sides of the quick fastener 48. As a result, a part of the flange portions 45a and 46c that are in contact with each other protrudes into the rectangular openings provided in the first slope portion 48b and the second slope portion 48c of the quick fastener 48, respectively. In this state, the flange portions 45a and 46c engage with the edges of the rectangular openings provided on the first and second slopes of the quick fastener 48, respectively. Therefore, even if the connecting member 46 of the sanitary cleaning device connecting pipe 6c is to be pulled out from the connecting pipe mounting portion 45, the flange portion 46c of the connecting member 46 engages with the quick fastener 48 to prevent this. As a result, the sanitary cleaning device connecting pipe 6c is prevented from falling off from the valve unit 14.

After attaching the quick fastener 48 to the connecting portion between the connecting pipe mounting portion 45 and the connecting member 46, the opening / closing plate 58 of the fastener cover 50 is rotated 180 degrees, and the engaging portion 58a at the tip of the opening / closing plate 58 is connected to the connecting side plate 56. Engage with the engagement claw 56a of. As a result, the opening / closing plate 58 is snap-fastened while the upper end opening of the fastener cover 50 is covered. As described above, in the state where the opening / closing plate 58 is closed, the quick fastener 48 cannot be removed, and the quick fastener 48 cannot be visually recognized from the outside. Therefore, it is possible to prevent the user who tried to operate the handle portion 40 from accidentally pulling out the quick fastener 48 in an emergency such as a power failure.

Therefore, in this state, in order to remove the sanitary cleaning device connecting pipe 6c from the valve unit 14, first, the opening / closing plate 58 of the fastener cover 50 is opened to expose the quick fastener 48, and the quick fastener is exposed through the upper end opening of the fastener cover 50. Pull 48 upwards. Next, it is necessary to remove the connecting member 46 of the sanitary cleaning device connecting pipe 6c from the connecting pipe mounting portion 45. Therefore, the quick fastener 48 is hard to be noticed by the user, and it is possible to effectively prevent the sanitary cleaning device connecting pipe 6c from being removed from the valve unit 14 due to an unfamiliar user's erroneous operation. Further, the opening / closing plate 58 of the fastener cover 50 is connected to the connecting side plate 56 on the rear side of the toilet body 2, and the engaging portion 58a engages with the engaging claw 56a on the front side of the toilet body 2 to close the upper end opening. It is arranged to do. Therefore, the engaging portion between the engaging portion 58a of the opening / closing plate 58 and the engaging claw 56a is difficult to see, and a user who is unfamiliar with the handling of the flush toilet device 1 unnecessarily opens the opening / closing plate 58. The possibility can be reduced.

According to the flush toilet device 1 of the embodiment of the present invention, the quick fastener 48 is attached to the connection portion between the connection pipe attachment portion 45 of the valve unit 14 and the sanitary cleaning device connection pipe 6c (FIG. 4). , The sanitary cleaning device connecting pipe 6c can be prevented from accidentally falling off. Further, the fastener cover 50 is arranged so as to cover the portion to which the quick fastener 48 is attached (FIG. 8). Therefore, it is unlikely that a person who does not need to remove the sanitary cleaning device connecting pipe removes the quick fastener 48, and the risk that the sanitary cleaning device connecting pipe 6c is removed due to an erroneous operation can be reduced. Further, the fastener cover 50 is configured separately from the valve unit 14 and is fixed to the valve unit 14 by a set screw 50a. Therefore, if the fastener cover 50 is accidentally damaged, only the fastener cover 50 can be replaced, and the cost required for repair can be reduced.

Further, according to the flush toilet device 1 of the present embodiment, the valve unit 14 is attached to the rear and side surfaces of the toilet body 2 (FIG. 2), so that the flush toilet device has a low silhouette shape and is excellent in aesthetic appearance. It becomes possible to configure 1. Further, since the set screw 50a for fixing the fastener cover 50 is attached to the valve unit 14 from the side of the toilet bowl body 2 (FIG. 4), the fastener cover 50 can be replaced without moving the toilet bowl body 2. It is possible to improve maintainability.

Further, according to the flush toilet device 1 of the present embodiment, the water storage tank 10 for storing the flush water extends below the upper end surface of the toilet body 2, so that the water wash has a low silhouette shape and is excellent in aesthetic appearance. It becomes possible to configure the toilet bowl device 1. Further, since the fastener cover 50 is attached below the water storage tank 10, it is difficult to access the fastener cover 50, and the fastener cover 50 is unintentionally opened to expose the quick fastener 48 or the fastener cover 50 is damaged. The risk of zipping can be further reduced.

Further, according to the flush toilet device 1 of the present embodiment, the connection portion between the connection pipe attachment portion 45 of the valve unit 14 and the sanitary cleaning device connection pipe 6c constitutes the fastener cover 50 with the first side plates 52 and the second. Since it is surrounded by the side plate 54, the two connecting side plates 56, and the opening / closing plate 58, accidental disconnection of the quick fastener 48 can be effectively prevented.

Although the preferred embodiment of the present invention has been described above, various modifications can be made to the above-described embodiment. In particular, in the above-described embodiment, the cleaning water for cleaning the bowl portion 2a that has passed through the valve unit 14 is stored in the water storage tank 10 and supplied to the bowl portion 2a by the pump 30. However, the present invention can also be applied to a water direct pressure type flush toilet device without a water storage tank, or the present invention can be applied to a tank type flush toilet device with a water storage tank and no pump. You can also do it.

Further, in the above-described embodiment, the valve unit 14 has a function of branching the supplied cleaning water into the cleaning water used in the sanitary cleaning device 3 and the cleaning water for cleaning the bowl portion 2a, and cleaning the bowl portion 2a. It was provided with a function of supplying and stopping the washing water for use, and a function of manually supplying the washing water to the tank device 4 in an emergency such as a power failure. However, the valve unit does not have to have a function to be used in an emergency such as a power failure.

1 Washing toilet device 2 Toilet body 2a Bowl part 2b Drainage trap pipe 2c Rim part 3 Sanitary cleaning device 4 Tank device 6a Water supply pipe 6b Tank device connection pipe 6c Sanitary cleaning device connection pipe 10 Water storage tank 12 Water stop valve 14 Valve unit 14a Valve unit main body 14b Mounting part 14c Mounting part 16 Constant flow valve 17 Main valve body 18 Electromagnetic valve 20 Connecting unit 22 Tank unit 24 Housing 26 Overflow pipe 28 Check valve 30 Pump 32 Float switch 34 Drain plug 36 Water pipe 38 Suction Pipe 39 Cover member 40 Handle part 42 Base plate 44 Protruding part 44a Cover fixing part 45 Connection pipe mounting part 45a Flange part 46 Connection member 46a Small diameter part 46b Large diameter part 46c Flange part 48 Quick fastener 48a Connecting part 48b First slope part 48c First 2 Slope 48d Guide 50 Fasna cover 50a Set screw 52 1st side plate 54 2nd side plate 54a Tongue 56 Connecting side plate 56a Engagement claw 58 Opening / closing plate 58a Engaging part

Claims (4)

A water-washing toilet bowl equipped with a sanitary cleaning device and a valve unit.
The body of the toilet bowl with a bowl that receives filth,
The sanitary cleaning device placed on the toilet body and
The cleaning water connected to the water supply pipe and supplied is branched into the cleaning water used in the sanitary cleaning device and the cleaning water for cleaning the bowl portion, and the supply and stop of the cleaning water for cleaning the bowl portion are stopped. With the valve unit that does
The sanitary cleaning device connection pipe that connects this valve unit and the sanitary cleaning device,
A quick fastener attached to the connection portion between the connection pipe attachment portion of the valve unit and the sanitary cleaning device connection pipe to prevent the sanitary cleaning device connection pipe from falling off from the valve unit.
A fastener cover placed so as to cover the part where this quick fastener is attached,
Have,
The fastener cover is formed so as to surround the entire circumference of the sanitary cleaning device connecting pipe, is configured separately from the valve unit, and is fixed to the valve unit with a set screw. Toilet bowl device. The flush toilet device according to claim 1, wherein the valve unit is attached to the rear and side surfaces of the toilet body, and the set screw for fixing the fastener cover is attached to the valve unit from the side of the toilet body. Further, it has a water storage tank for storing washing water for washing the bowl portion, and the water storage tank is arranged behind the toilet bowl body and extends below the upper end surface of the toilet bowl body. The flush toilet device according to claim 2, wherein the fastener cover is arranged below the water storage tank. The above fastener cover is
A first side plate provided with an opening for receiving the connection pipe mounting portion of the valve unit, and
A second side plate provided with an opening for receiving the sanitary cleaning device connection pipe, and
Two connecting side plates that connect the first side plate and the second side plate,
It is formed of the first side plate, the second side plate, and the opening / closing plate that opens and closes the upper end opening surrounded by the two connecting side plates.
The flush toilet device according to any one of claims 1 to 3, wherein the opening / closing plate is rotatably connected to one of the two connecting side plates.

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