JPH0720375U - Water supply pipe connection structure for flush toilet seat - Google Patents

Abstract

(57) [Summary] [Purpose] To facilitate the work of connecting the water supply pipe of the toilet seat to the water pipe of the local cleaning system, and to improve the workability of connecting the water supply pipe of the toilet seat when installing the toilet seat. [Structure] A relay box provided at the tip of the water supply pipe for the local cleaning water supply system, which branches off from the water supply pipe for the toilet cleaning water supply system, is provided on the upper part of the toilet bowl, and the water supply pipe installed in the toilet seat is washed through the relay box. By connecting to the water supply pipe of the local cleaning water supply system, the connection work of the water supply pipe arranged in the cleaning toilet seat can be performed above the toilet bowl that is easy to work.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a toilet seat having a local cleaning function, that is, a structure for connecting a water supply pipe to a toilet seat.

[0002]

[Prior art]

 Conventionally, the connection of the water supply pipe to the cleaning toilet seat is made by branching the water supply pipe a1 of the toilet cleaning water supply system from the water supply pipe a2 of the local cleaning water supply system as shown in FIG. It is connected to the existing water supply pipe.

[0003]

[Problems to be solved by the device]

 However, such a structure for connecting the water supply pipe to the flush toilet seat is very difficult to construct and has poor workability because the connection work must be performed in a narrow place where it is difficult for workers to enter and close to the floor surface. . The present invention has been made in view of the above problems of the prior art, and its purpose is to easily connect the water supply pipe of the flush toilet seat to the water supply pipe of the local cleaning system, which is excellent in workability. It is to provide a water supply pipe connection structure to a flush toilet seat.

[0004]

[Means for Solving the Problems]

 In order to achieve the above object, in the water supply pipe connection structure of the flush toilet seat of the present invention, the water supply pipe for the local cleaning water supply system, which is branched from the water supply pipe for the toilet cleaning water supply system, has a relay box at the tip, and this relay box Is provided on the upper part of the toilet bowl. The water supply pipe arranged on the toilet seat is connected to the water supply pipe of the local cleaning water supply system via the relay box. In another structure, the toilet seat mounting surface of the toilet bowl is provided with a water supply pipe insertion hole that penetrates vertically through the toilet seat mounting surface, and the water supply pipe for the local cleaning water supply system branched from the water supply pipe for the toilet cleaning water supply system has the above water supply pipe. It is taken out to the toilet seat mounting surface through the pipe insertion hole and connected to the water supply pipe installed in the flush toilet seat. In these water supply pipe connection structures for toilet seats, a coupler is used to connect the connection between the water supply pipe for the local cleaning water supply system and the water supply pipe for the toilet seat. It is desirable to provide a valve for opening and closing the coupler by inserting the plug and socket, at least on the side of the plug and socket that is provided on the water supply side of the local cleaning water supply system. Further, in the case of using the relay box, the coupler plug and socket should be arranged in the relay box and the flush toilet seat so that they are fitted to each other in a state where the flush toilet seat is attached to the toilet bowl. You can Further, as another structure of the water supply pipe connection structure of the flush toilet seat, a water passage is formed in a fixture that attaches and fixes the wash toilet seat to the toilet bowl, and the water supply pipe for the toilet flush water supply system is provided at one opening end of this water passage passage. It is also possible to connect a water supply pipe for a local cleaning water supply system that is branched from the above, and connect the water supply pipe arranged on the toilet seat to the other opening end.

[0005]

[Action]

 In each of the flush toilet seat water supply pipe connection structures configured as described above, the connection work of the water supply pipes disposed in the flush toilet seat can be performed above the toilet bowl where it is easy to work. Also, in the case of using a coupler at the connection between the water supply pipe for the local cleaning water supply system and the water supply pipe for the toilet seat, connection work can be done with one touch, especially when the plug and socket are attached to the toilet bowl In the case where the relay box and the flush toilet seat are installed so that they fit in correspondence with each other, the flush toilet seat is attached to the toilet bowl and the water supply pipe is connected to the flush toilet seat at the same time. According to the coupler that has a valve that opens when the plug and socket are inserted and that closes when the plug is removed, the water supply pipe is automatically shut off by removing the water supply pipe for maintenance. , Outflow of water is prevented.

[0006]

【Example】

 An example of implementation of the present invention will be described below with reference to the drawings. In FIG. 1, A is a toilet bowl, and B is a flush toilet seat attached to this toilet bowl, and a toilet box mounting surface 1 of the toilet bowl A is provided with a relay box 2 provided with a water supply pipe a2 and an electric wiring b1. The water supply pipe a2 of No. 2 has one end extending to the outside of the relay box and is connected to the water supply pipe a1 of the toilet flushing water supply system that communicates with the ball tap faucet. It constitutes the water supply piping for the system. On the other hand, one end of the electric wiring b1 is pulled out from the relay box 2 and is connected to a power source installed at an appropriate place in the room.

The relay box 2 is formed in a box shape having a flange 2a on the peripheral edge of the upper surface, and is fitted into the mounting opening 3 formed in the toilet seat mounting surface 1 of the toilet A, so that the flange 2a is attached to each of the mounting openings. It is locked to the toilet seat mounting surface 1 and is fixed by a suitable fixing means (not shown) such as a stop screw. The edge portion of the mounting opening 3 with which the flange 2a of the relay box 2 is locked is such that the upper surface of the relay box 2 is substantially flush with the surrounding toilet seat mounting surface 1 when the box is mounted. It is stepped slightly lower than the surface 1. As described above, in this embodiment, the relay box 2 is attached to the attachment opening 3 provided in the toilet A from above the toilet seat attachment surface 1, so that it can be branched from the water supply pipe a1 of the toilet water supply system. The water supply pipe a2 for the local cleaning water supply system is composed of a flexible pipe. The relay box 2 may be attached to the attachment opening 3 from below the toilet bowl A. In that case, the water supply pipe a2 for the local cleaning water supply system is not necessarily a flexible pipe. You don't have to.

On the other hand, the washing toilet seat B is mounted in a casing 4 such that a functional portion B1 accommodating various devices, pipes, and wiring for local cleaning, and a undulating structure for the functional portion B1 via a hinge. The seat portion B2 and the functional portion B1 are located on the toilet seat mounting surface 1 formed on the rear upper surface of the toilet bowl A, and the seat portion B2 is located on the upper edge rim 5 of the toilet bowl A, respectively. The water supply pipe a3 and the electric wiring b2, which are arranged and fixed to the toilet A, and arranged inside the functional unit casing 4, are connected to the junction box 2 side end of the local cleaning water supply system water supply pipe a2 and the relay box 2. It is connected to the electric wiring b1 via connecting tools D and E, respectively.

The connecting tool D of the water supply pipes a2 and a3 is composed of a plug 6 attached to one water supply pipe a2 and a socket 7 attached to the other water supply pipe a3. By inserting the socket 7 into the plug 6, both water supply pipes a2 , A3 are connected to form a coupler structure. For example, as shown in FIGS. 3 to 4, a ball 62 housed in a hole 61 formed in the peripheral surface of the plug 6 is pressed by a holding ring 63 to cause the inner surface of the plug 6 to be pressed. It is configured so that the plug 6 and the socket 7 are connected to each other by fitting into a concave groove 71 provided on the outer periphery of the socket 7 inserted into the plug 6.

The pressing ring 63 is fitted on the outer periphery of the plug 6 so as to be movable in the axial direction thereof. In the normal state, the spring 64 presses the ball 62 to engage with the groove 71 of the socket 7. Although it is held in the position to be placed, it can be easily displaced by moving it in the axial direction of the plug 6 against the force of the spring 64. Therefore, by shifting the position of the pressing ring 63, the connection between the plug 6 and the socket 7 through the engagement between the ball 62 and the concave groove 71 can be easily removed.

Reference numeral 12 denotes an operating tool for displacing the position of the pressing ring 63 to release the connection between the plug 6 and the socket 7. The operating tool 12 is pivotally supported in the relay box 2 so as to be vertically slidable and engaged with the pressing ring 63. The operating rod 121 to be stopped and the rear or side of the functional casing 4 of the flush toilet seat B are provided on the upper surface of the relay box 2 so as to project, and the lower end of the operating rod 121 is connected to the operating rod 121 by the pushing operation. A push handle 122 that pushes down the pressing ring 63 in the axial direction of the plug 6 via the operating rod 121 and a spring 123 that biases the handle 122 upward.

Further, in the connector D, when the plug 6 and the socket 7 are connected to each other, a valve that axially penetrates the plug 6 and the socket 7 is released, and when both are disconnected, the valve 8 is configured to be closed. Is decorated.

The valve 8 is provided at least on the plug 6 side, but if it is provided on both the plug 6 side and the socket 7 side as shown in the figure, it remains in the water supply pipe a3 of the flush toilet seat B. It is convenient because water does not flow out by removing the plug 6 and the socket 7.

The valve 8 on the plug 6 side corresponds to the valve seat 9 provided inside the plug 6 from the primary side, and the valve 8 on the socket 7 side is inside the socket 7. It corresponds to the valve seat 9 provided from the secondary side, and is biased in the valve closing direction by springs 10, respectively. Both of the valves 8 and 8 are provided with a rod shaft 11 which extends through the respective valve seats 9 and 9, and the rod shafts 11 abut each other when the plug 6 and the socket 7 are coupled to each other. It is designed so that 8, 8 can be pushed open.

The plug 6 and the socket 7 are provided on the upper surface of the relay box 2 and the bottom surface of the flush toilet seat B in a slightly protruding shape so as to be fitted to each other correspondingly when the flush toilet seat is attached to the toilet A. .

The connecting tool E for the wirings b1 and b2 is a well-known connector, and like the plug 6 and the socket 7, they can be fitted to each other in a state where the toilet bowl A is attached to the flush toilet seat. On the upper surface of the relay box 2 and on the bottom surface of the casing 4 of the flush toilet seat function section B1, there are slightly protruding parts.

In the embodiment described above and shown in the drawings, the relay box 2 is attached to the toilet seat mounting surface 1, and the plug 6 and the socket 7 of the coupler forming the connector D are attached to the upper surface of the relay box 2 and the flush toilet seat B. The plug 6 and the socket 7 are arranged so as to protrude from each other on the bottom surface so that the plug 6 and the socket 7 are fitted to each other in a state where the toilet seat is attached to the toilet bowl A. As shown in FIG. Is provided upright on the upper surface of the toilet bowl adjacent to the rear end of the toilet seat mounting surface, and the plug 6 and the socket 7 of the coupler D are fitted to the toilet bowl A corresponding to each other in the mounted state of the toilet seat. It is also possible to arrange the front surface of the relay box 2 and the rear surface of the flush toilet seat B in a slightly protruding manner. As shown in the figure, the relay box may have an upright portion A1 that stands upright on the upper surface of the toilet bowl A adjacent to the rear end of the toilet seat mounting surface 1 and is integrally formed with the toilet bowl A, and may be attached to the front surface of the upright portion A1. However, a box having the size of the full width of the toilet bowl A may be formed and attached to the upper surface of the toilet bowl.

On the other hand, as shown in FIG. 5, the flush toilet seat B is attached to the toilet bowl A by attaching the mounting bolts 14 with the head 141 to the bolt engagement holes 13 formed on the bottom surface of the casing 4 of the functional portion B1. It is common to insert it into the mounting hole 15 opened on the toilet seat mounting surface 1 and tighten it with the nut 142 from the back side of the toilet A to fix it, but fix it using the well nut 16 as shown in FIG. Or the same structure as the above-mentioned coupler on the toilet seat mounting surface 1 of the toilet A and the bottom of the functional portion casing 4 of the flush toilet seat B as shown in FIG. 7 (no valve is required because water does not pass through). It is also possible to attach a pair of connecting tools F and to attach the flush toilet seat B and the toilet A by fitting both of the connecting tools F and the connecting tools D for the water supply pipes a3 and a4. is there.

Further, as long as the coupler D for connecting the water supply pipes a2 and a3 described above is firmly fixed to the relay box 2 and the casing 4 of the toilet seat function part B1, the toilet seat B and the toilet A are fixed. This is done only by fitting the coupler D, and the lateral displacement of the toilet seat B is provided in the relay box 2, or the casing 4 side of the toilet seat function part B1 and the toilet A side are engaged with each other. You may make it prevent by providing a protrusion and a recess or a hole, respectively.

In addition, the water supply pipe a2 of the local cleaning water supply system is branched outside the tank from the water supply pipe a1 of the toilet cleaning water supply system that connects to the ball tap water faucet provided in the cleaning water tank C as described above. Besides, as shown in FIG. 8, it can be taken out from the tank C by branching from the water supply pipe a1 of the toilet flushing water supply system inside the tank C, or as shown in FIG. It may be branched from the water tap G and taken out from the inside of the tank C to the lower side of the tank C.

Further, in the case of the type using a flush valve, the water supply pipe a2 of the local cleaning water supply system is branched from the water stop H1 of the flush valve H via a branch fitting 19 as shown in FIG. Connected to Box 2.

Next, FIG. 11 shows another embodiment of the water supply pipe connection structure for the flush toilet seat, in which the water supply pipe a2 for the local cleaning water supply system branched from the water supply pipe a1 for the toilet cleaning water supply system is used as a relay box. It is connected to the water supply pipe a3 of the functional part B1 of the flush toilet seat B without using a box, and both water supply pipes a2 and a3 are attached to the toilet bowl A using the fixture 14 for fixing the flush toilet seat B. Connected.

In this embodiment, a water supply pipe connection structure of a flush toilet seat B in a flush water tank-integrated toilet bowl is shown. The flush toilet seat B is attached and fixed to the toilet bowl by mounting bolts 14 for fixing the toilet seat. The mounting bolt 14 locks the head 141 to the inner bottom surface of the casing 4 through the mounting hole 13 opened on the bottom surface of the functional portion casing 4 of the flush toilet seat B, and the shaft rod portion 143 to the toilet seat mounting surface 1 of the toilet A. It is penetrated and inserted into the washing water tank C ′, and the nut 142 is screwed from the inside of the washing tank C ′. The nut 142 and the head 141 clamp and fix the bottom surface of the functional portion casing 4 of the toilet seat B and the toilet seat mounting surface 1 of the toilet A. A water passage 20 is formed in the mounting bolt 14 so as to penetrate therethrough in the axial direction, and is branched from the water supply pipe a1 of the toilet water supply system at the end of the shaft rod 143 protruding into the water cleaning water tank C '. The water supply pipe a2 of the water supply system for local cleaning is connected, and the water supply pipe a4 of the cleaning toilet seat functional part B1 is connected to the head 141 of the mounting bolt 14 protruding into the functional part casing 4 of the cleaning toilet seat B.

The above-mentioned water supply pipe a2 for the local cleaning water supply system is branched from the water supply pipe a1 for the toilet cleaning water supply system that is set up in the cleaning water tank C'and the cap nut 21 is locked at its end. And is connected to the shaft rod portion 143 of the mounting bolt 14 through the cap nut 21.

On the other hand, the head 141 of the mounting bolt 14 is provided with a ring-shaped protrusion 144 that surrounds the opening of the water passage 20 and projects to the upper surface, and this ring-shaped protrusion 144 of the flush toilet seat function unit B1. The water supply pipe 3 is connected. The connection of the water supply pipe a3 of the flush toilet seat function part B1 to this annular convex part 144 is the same as the connection to the bolt 14 of the water supply pipe a2 of the local wash water supply system branched from the water supply pipe a1 of the toilet flush water supply system. Alternatively, the water supply pipe a3 may be directly screwed or fitted to the annular convex portion 144 of the bolt head 141 by using a cap nut. It is preferable that the water supply pipe a3 of the flush toilet seat function unit B1 is configured by a flexible pipe so that the flush toilet seat B can be attached and fixed to the toilet A by the bolt 14 even when connected to the bolt 14.

Next, FIG. 12 is an embodiment in which, like the embodiment shown in FIG. 11, the water supply pipe a2 for the local cleaning water supply system and the water supply pipe a3 for the functional part B1 of the toilet seat B are connected without using a relay box. In the toilet seat mounting surface portion 1 of the toilet bowl A, a water supply pipe insertion hole 30 is opened so as to vertically pass through the toilet seat attachment surface portion 1, and the local cleaning is branched from the water supply pipe a1 of the toilet bowl water supply system. The water supply system water supply pipe a2 faces the toilet seat mounting surface 1 through the water supply pipe insertion hole 30. At this toilet seat mounting surface portion 1, the local cleaning water supply system water supply pipe a2 and the cleaning toilet seat B water supply pipe a3 are connected. Are connected using the connection tool D. Both the water supply pipe a2 for the local cleaning water supply system and the water supply pipe a3 for the cleaning toilet seat B are made of flexible pipes, and the connector D has a coupler structure. Also in this embodiment, as in the previous embodiment, the connector D having the above-mentioned coupler structure releases the passage axially penetrating them in the coupled state of the plug and the socket, and in the detached state of both. A valve is provided that is configured to close.

In each of the present embodiment and the embodiment shown in FIG. 11, the toilet bowl integrated with the flush water tank is shown, but the toilet bowl of the type in which the flush water tank separately formed is assembled can be similarly implemented. Needless to say.

[0028]

【effect】

 Since the present invention is configured as described above, it has the following effects. (1). Regarding claim 1; provided with a relay box provided at the tip of the water supply pipe for the local cleaning water supply system that branches off from the water supply pipe for the toilet cleaning water supply system, and is provided in the toilet seat Since the water supply pipe is connected to the water supply pipe of the local cleaning water supply system via the relay box, the work of connecting the water supply pipe installed on the cleaning toilet seat should be performed above the toilet bowl where it is easy to work. Since it is possible to do the work, it is easy to connect the water supply pipes of the flush toilet seat, and the workability of installing the flush toilet seat is improved and the maintenance of the flush toilet seat is possible because it is not necessary to work near the floor surface and narrow between the toilet bowl and the toilet wall. It also becomes easy to attach and detach the toilet seat when cleaning. Further, since the toilet seat can be easily attached and detached as described above, it becomes possible to easily clean the dirty water and the like that have entered the gap between the toilet bowl and the toilet seat, and the cleaning performance is improved. (2). Claim 2; The water supply pipe for the local cleaning water supply system, which is provided on the toilet seat mounting surface of the toilet bowl, which vertically penetrates the surface, and which is branched from the water supply pipe for the toilet water supply system, inserts the water supply pipe for the local cleaning system into the water supply pipe. Since it is taken out to the toilet seat mounting surface through the through hole and is connected to the water supply pipe arranged in the flush toilet seat, the same effect as that of the first aspect can be obtained. (3). Claim 3; Since the connecting portion between the water supply pipe for the local cleaning water supply system and the water supply pipe for the cleaning toilet seat is composed of a coupler, the connection work can be performed with one touch, and workability is further improved. (4). Claim 4; In a case where a relay box provided at the tip of the water supply pipe for the local cleaning water supply system that branches off from the water supply pipe for the toilet cleaning water supply system is provided at the upper part of the toilet bowl, the water supply pipe for the local cleaning water supply system and the cleaning toilet seat are provided. Since the plug and socket of the coupler, which forms the connection with the water supply pipe, are installed in the relay box and the flush toilet seat so that they will fit to each other when the flush toilet seat is attached to the toilet bowl, the flush toilet seat By fixing and fixing to the toilet bowl, the connection of the water supply pipe of the flush toilet seat will be completed at the same time, and no special work for connecting the water supply pipe is required. (5). Regarding claim 5, since at least the side of the coupler plug and socket provided in the relay box is provided with a valve that opens when the plug and socket are inserted and closes when the plug is withdrawn, water supply for maintenance, etc. When disconnecting the pipe, when the socket comes off the plug, the valve automatically shuts off the water supply pipe of the local cleaning water supply system to prevent water from flowing out.Therefore, it is necessary to close the water shutoff valve upstream of the connection part. It is convenient to omit. (6). Claim 6; A water passage extending axially through the fixture for fixing the flush toilet seat to the toilet is formed, and one end of this water passage is branched from the water supply pipe of the toilet flush water supply system. Since the water supply pipe for the local cleaning water supply system is connected and the water supply pipe arranged on the cleaning toilet seat is connected to the other open end, the water supply pipe is installed on the cleaning toilet seat as in the case of claim 1 and claim 2. The connection work of the installed water supply pipe can be performed above the toilet bowl, and it is not necessary to work in a narrow space between the toilet bowl and the toilet wall, and close to the floor surface. The workability of installing the toilet seat is improved, and the toilet seat is easily attached and detached during maintenance of the toilet seat.

[Brief description of drawings]

FIG. 1 is a side view of a water supply pipe connection structure for a flush toilet seat showing an embodiment of the present invention, showing a notched part.

FIG. 2 is a plan view showing a main portion with a cutout.

FIG. 3 is an enlarged cross-sectional view of a main part, showing a connected state.

FIG. 4 is an enlarged cross-sectional view of the main part, showing a state before connection.

FIG. 5 is a cross-sectional view of a main part showing a wiring connection structure and a flush toilet seat mounting structure.

FIG. 6 is a cross-sectional view showing a modified example of the mounting structure of the flush toilet seat.

FIG. 7 is a plan view showing another modified example of the mounting structure of the flush toilet seat, which is shown partially cut away.

FIG. 8 is a perspective view showing a modified example of the mounting position of the relay box, showing the flush toilet seat removed from the toilet bowl.

FIG. 9 is a partially cutaway front view showing a modified example of a branched state of a water supply pipe for local cleaning from a water supply pipe of a water supply system for toilet bowl cleaning.

FIG. 10 is a front view showing another modified example of the branched state of the water supply pipe for local cleaning.

FIG. 11 is a side view of a water supply pipe connection structure for a flush toilet seat according to another embodiment of the present invention, in which a main part is shown by being cut away.

FIG. 12 is a perspective view showing still another embodiment of the present invention, showing the flush toilet seat removed from the toilet bowl.

FIG. 13 is a partially cutaway side view showing a conventional water supply pipe connection structure for a toilet seat, showing an enlarged main part. .

[Explanation of symbols]

A: Toilet bowl B: Wash toilet seat C, C ': Wash water tank D: Coupler (connector) a1: Water supply pipe for water supply system for toilet cleaning a2: Water supply pipe for water supply system for local cleaning a3: Water supply pipe for wash toilet seat 1 : Toilet seat mounting surface 2: Relay box 6: Plug 7: Socket 8: Valve 14: Fixture for fixing the toilet seat (mounting bolt) 20: Water passage 30: Water supply pipe insertion hole

Claims (6)

[Scope of utility model registration request] 1. A toilet box has a junction box provided at the tip of a water supply pipe for a local cleaning water supply system that is branched from a water supply pipe for a toilet cleaning water supply system, and has a relay box provided on the toilet bowl A drainage pipe connection structure for a toilet seat, wherein the water supply pipe is connected to the water supply pipe of the local cleaning water supply system via the relay box. 2. A toilet seat mounting surface of a toilet bowl is provided with a water supply pipe insertion hole that penetrates the surface vertically, and a water supply pipe for a local cleaning water supply system branched from a water supply pipe for a toilet cleaning water supply system is the water supply pipe. A water supply pipe connection structure for a flush toilet seat, characterized in that it is taken out to the toilet seat mounting surface through an insertion hole and connected to a water supply pipe arranged in the flush toilet seat. 3. The water supply pipe connection for a flush toilet seat according to claim 1 or 2, wherein a connection portion between the water supply pipe for the local cleaning water supply system and the water supply pipe for the flush toilet seat is connected using a coupler. Construction. 4. A connection part between a water supply pipe for a local cleaning water supply system and a water supply pipe for a flush toilet seat is connected using a coupler, and the plug and socket of the coupler correspond to each other when the toilet seat is attached to the toilet bowl. The water supply pipe connection structure for a flush toilet seat according to claim 1, wherein the relay box and the flush toilet seat are disposed so as to be fitted to each other. 5. The plug and socket of the coupler, at least the side provided on the water supply piping side of the local cleaning water supply system is provided with a valve that is opened by inserting the plug and socket and closed by withdrawing. Claim 3 or 4
The water supply pipe connection structure for the flush toilet seat described. 6. A water supply pipe for a local cleaning water supply system, wherein a water passage is formed in a fixture for fixing a toilet seat to a toilet, and one opening end of the water passage is branched from a water supply pipe for a toilet water supply system. And a water supply pipe arranged on the toilet seat to be connected to the other opening end.