JPH10266312A - Flush toilet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to mount a washbasin on the main body of a one-piece toilet and adapt it easily to the presence or absence of the washbasin. SOLUTION: A branch pipe 4 having a bifurcated water-passing channel is provided in the water supply channel 3 of the main body of a one-piece toilet, the first water-passing channel of the branch pipe is intended for supplying water for cleaning the toilet and the second waterpassing channel is intended for supplying water for washing hands. And a cut-off member or one of water- passing pipes that can be connected to the water supply channel of the washbasin can be connected selectively to a water-passing opening on the exit side of the second water-passing channel.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flush toilet. More specifically, the present invention relates to a one-piece flush toilet which enables a handwash to be attached to a toilet body and can easily cope with the presence or absence of a handwash.

[0002]

2. Description of the Related Art Conventionally, various types of flush toilets have been provided in toilet rooms. As one of them, FIG.
One-piece toilets as shown in <a> and <b> are known. This one-piece toilet has advantages such as being able to save water and reduce noise, and being able to take a large toilet space in a low style.

[0003]

However, the one-piece toilet has a drawback that it is difficult to attach a handwasher to the toilet body (1) because of its characteristic low style, there are limitations in specifications and design. Was. Even in the case of a one-piece toilet provided with a low tank (2) as shown in FIG. 5 <b>, the position of the low tank (2) is low, and a handwasher is placed on the low tank (2) like other flush toilets. It could not be installed.

[0004] For this reason, when the one-piece toilet is installed in the toilet room, the handwasher must be installed separately from the toilet body (1). The present invention has been made in view of the above circumstances, and eliminates the drawbacks of the conventional one-piece toilet, enables the attachment of a handwash to the toilet body, and easily responds to the presence or absence of a handwash. The purpose of the present invention is to provide a one-piece flush toilet that can be operated.

[0005]

According to the present invention, as a solution to the above-mentioned problems, a one-piece toilet bowl is provided with a branch pipe having a water passage branched into two in a toilet body water supply passage,
The first water passage of this branch pipe is used for toilet flushing and water supply, the second water passage is used for hand washing water supply, and the water outlet on the outflow side of the second water passage is provided with a water stop member or a hand washing machine. A flush toilet characterized by being selectively connectable to any one of water pipes that can be connected to a handwasher water supply channel, and capable of responding to the presence or absence of a handwasher.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a flush toilet according to the present invention will be described in more detail with reference to the drawings. FIG. 1 is a block diagram showing one embodiment of a water supply system in the flush toilet of the present invention. As shown in FIG. 1, in the flush toilet of the present invention, the two-piece
A branch pipe (4) having a branched water passage is provided. FIG. 2 is a sectional view showing a specific form of the branch pipe (4).

The branch pipe (4) includes a first water passage (5) included in the toilet body water supply passage (3) and a second water passage that can branch upward from the first water passage (5), for example. And a water passage (6). In the branch pipe (4), the first water passage (5) is used for toilet flush water supply, and the second water passage (6) is used for hand wash water supply.
Are connected to the toilet body water supply channel (3) at both ends of the first water channel (5). A water outlet (7) on the water outlet side of the second water passage (6) used for hand washing and water supply is selectively connectable to one of the water stop member (8) and the water pipe (9). I have.

The water stop member (8) closes the end of the second water passage (6) when it is connected to the water outlet (7) on the outflow side of the second water passage (6). For example, a blind nut can be adopted as such a water stopping member (8). On the other hand, the water pipe (9) is connected to the hand washing machine water supply passage (10) of the hand washing machine shown in FIG. 1, and the second water passage (6) is connected to the hand washing machine water supply passage (10). It is. As shown in FIG. 2, the water pipe (9) has a flexible pipe (1) that can be freely bent, stretched, and contracted.
1), and cap nuts (12) can be provided at both ends. As a result, the handwasher water supply channel (1
0), and the occurrence of water leakage at the connection portion can be prevented.

In the flush toilet of the present invention, when a hand-washing device is provided, the water pipe (9) is connected to the water outlet port (7) of the second water channel (6) of the branch pipe (4). , Connected to the hand washing machine water supply channel (10) of the hand washing machine. On the other hand, when it is not necessary to install a hand-washing device, a water blocking member (8) is connected to the water passage (7), and the second water passage (6) is closed. As described above, in the flush toilet of the present invention, the branch pipe (4) is incorporated into the toilet body water supply passage (3) without changing the toilet body water supply passage (3), and the second water passage (6) is connected to the branch pipe (4). By selecting and connecting either the water-stopping member (8) or the water pipe (9) to the water outlet side water port (7), it is possible to easily cope with the presence or absence of a handwasher, Installation of a hand-washing machine becomes possible. Installation of a hand-washing device does not impair the advantages of one-piece toilets, such as water saving and quietness, and a wider toilet space.

As shown in FIG. 1, for example, the branch pipe (4) is attached to a toilet body water supply channel in which a water stopcock (13) is provided on the upstream side and a solenoid valve (14) is provided on the downstream side. (3) may be a secondary side of the water stopcock (13) and a primary side of the solenoid valve (14). In this case, it is preferable to provide an electromagnetic valve (15) also in the hand-washing machine water supply passage (10). By doing so, two solenoid valves (14, 1
The primary pressure of the water supply is applied to both of 5), and a sufficient amount of water can be secured for both toilet flushing and hand washing. In the one-piece toilet with direct water supply, the amount of water supplied is generally smaller than other one-piece toilets,
With the above water supply system, a decrease in the amount of water due to the arrangement of the branch pipe (4) does not occur. Two solenoid valves (1
By controlling the on / off of (4, 15), a sufficient amount of washing water can be supplied to both the toilet body and the hand-washing machine.
It can be applied to the low water pressure area by appropriately changing the on / off timing of the solenoid valves (14, 15).

The toilet body water supply passage (3) and the handwasher water supply passage (10) may be provided with constant flow valves (16, 17). The constant flow valves (16, 17) are
4, 15) may be provided on either the primary side or the secondary side. As shown in FIG. 1, when the constant flow valve (16) is provided on the primary side of the solenoid valve (14) of the toilet body water supply passage (3), for example, as shown in FIG. 16)
Can be incorporated at the outlet end of the first water passage (5) of the branch pipe (4).

Reference numeral 18 shown in FIG. 1 indicates a washing water injection nozzle of a hand washing machine to be described later. FIG.
FIG. 1 is a perspective view showing an embodiment of a handwasher attachable to a flush toilet of the present invention. The handwasher includes a handwash body (19) mounted on the upper surface of the rear end of the toilet body. As shown in FIG. 3, the handwash body (19) can be raised to a predetermined height, and a handwash bowl (20) can be provided on the top thereof. The hand-washing machine water supply passage (10) is connected to the hand-washing machine bowl (20), and the hand-washing machine water supply passage (10) is connected to the hand washing machine main body (1).
9) built-in. In addition, handwasher water supply channel (10)
For example, an electromagnetic valve (15), a constant flow valve (17), a washing water injection nozzle (1
8) can be sequentially arranged. The washing water spray nozzle (18) is connected to the hand spray bowl (20)
At the front end of the bowl, the hand washing water can be sprayed rearward from the front end of the bowl (20). This prevents the washing water from scattering during hand washing.

The main body (19) of the hand washer can also accommodate a branch pipe (4) as shown in FIG. Similarly, the solenoid valve (14) and the constant flow valve (16) provided in the toilet body water supply passage (3) can be stored in the handwash body (19). For the constant flow valve (16),
The branch pipe (4) can be built in the water discharge end of the first water passage (5), or can be disposed on the water discharge end side of the first water passage (5).

[0014] The branch pipe (4) is connected to the handwasher water supply channel (10) as described above. That is, the second water passage (6) shown in FIG. 2 is connected to the hand washing machine water supply passage (10) of the hand washing machine through the water passage pipe (9). This figure 3
In the hand washing machine shown in (1), the water pipe (9) has a flexible pipe (11) as shown in FIG. 2 and cap nuts (12) are attached to both ends thereof. . This water pipe (9) is also stored in the handwash body (19).

In such a hand-washing machine, a drain pipe (22) for forming a hand-washing drainage channel in a drain (21) of the hand-washing machine (20) so that hand-washing drainage can be used for toilet flushing.
And the end thereof can be made to face the end of the toilet body water supply passage (10). Drain the drain after hand washing (2
It can be discharged to, for example, the rim of the toilet body through 2), and can be used for flush water for flushing the toilet.

Further, the hand-washing machine can be provided with a hinge cover (23) for a hinge for attaching a toilet seat and a toilet lid at a side end of a front lower end of the main body (19). In the hinge cover (23), an opening (24) is formed on the inside facing surface as a relief for the pivot shaft of the toilet seat and the toilet lid. Further, as shown in FIG. 3, the hand-washing machine can be provided with a storage box (26) for equipment such as toilet paper (25) in the space of the main body (19). Storage box (26)
Can be provided with a lid (27) which can be opened and closed freely. For example, a side surface of the hand washer body (19) can be cut out and used as the lid (27).

FIG. 4 is a perspective view showing a lid attached to the flush toilet when it is not necessary to install a handwasher. When it is not necessary to install a hand-washing device, in the flush toilet of the present invention, the lid (28) as shown in FIG. 4 is replaced with a hand-washing device as shown in FIG. Can be attached to The thickness of the lid (28) can be, for example, within the height of the toilet seat and the toilet lid. Lid (2
8) stores a branch pipe (4) as in the handwasher shown in FIG. FIG. 3 also shows the solenoid valve (14) and the constant flow valve (16) provided in the toilet body water supply passage (3).
Can be housed inside the lid (28) in the same manner as the hand washing machine shown in FIG.

A water stop member (8) is connected to the branch pipe (4) at the water outlet (7) of the second water passage (6) shown in FIG. ) Is closed. Wash water supplied to the first water passage (5) of the branch pipe (4) flows through the toilet body water supply passage (3) without leaking from the second water passage (6), and is used as toilet flush water. It is supplied to the toilet body.

The lid (28) can also be provided with a hinge cover (23) for a hinge for mounting a toilet seat and a toilet lid at a side end of a front lower end thereof, and a pivot shaft of the toilet seat and the toilet lid can be provided. An opening (24) can be formed in the inner facing surface of the hinge cover (23) as a relief. In the flush toilet of the present invention, it is possible to select one of the hand-washing device and the lid body as shown in FIGS. 3 and 4 in accordance with the presence or absence of the hand-washing device, and to install it on the rear end upper surface of the toilet body. it can. The attachment of the hand-washing machine can be retrofitted, and it is easy to respond to various needs.

Of course, the present invention is not limited by the above embodiments. It goes without saying that various aspects are possible for details such as the shape and structure of the handwasher and the lid.

[0021]

As described above in detail, according to the present invention, it is possible to attach a hand-washing device to a one-piece toilet, and it is possible to easily cope with the presence or absence of a hand-washing device.

[Brief description of the drawings]

FIG. 1 is a block diagram showing one embodiment of a water supply system in a flush toilet of the present invention.

FIG. 2 is a cross-sectional view showing one form of each of a branch pipe, a water stopping member, and a water pipe.

FIG. 3 is a perspective view showing one embodiment of a handwasher that can be attached to the flush toilet of the present invention.

FIG. 4 is a perspective view showing a lid attached to a flush toilet when it is not necessary to install a handwasher.

5A and 5B are side views each showing a conventional one-piece toilet.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Toilet main body 3 Toilet main body water supply path 4 Branch pipe 5 First water path 6 Second water path 7 Water supply port 8 Water stop member 9 Water flow pipe 10 Hand wash water supply path 11 Flexible pipe 12 Bag nut 13 Stopcock 14 DESCRIPTION OF SYMBOLS 15 Solenoid valve 16, 17 Constant flow valve 18 Washing water injection nozzle 19 Hand washing machine main body 20 Hand washing machine bowl 21 Drain outlet 22 Drain pipe 23 Hinge cover 24 Opening 25 Toilet paper 26 Storage box 27 Cover 28 Cover

Continued on the front page (72) Inventor Takahiro Nakamura 1048 Kadoma Kadoma, Osaka Prefecture Matsushita Electric Works, Ltd. (72) Inventor Yoshiro Matsushita 1048 Odaka Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works, Ltd. (72) Inventor Sato Yasushi 1048 Kazuma Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works, Ltd. (72) Inventor Makoto Nishikawa 1048 Kadoma Kadoma, Kadoma City, Osaka Prefecture

Claims (10)

[Claims] 1. A one-piece toilet body water supply passage is provided with a branch pipe having a two-way water passage, and a first water passage of the branch pipe is used for toilet flush water supply and a second water passage. The water channel is used for hand-washing water supply, and the water outlet on the outflow side of the second water channel can be selectively connected to either the water stop member or a water pipe that can be connected to the hand washing device water channel of the hand washing machine. A flush toilet characterized by the fact that it is possible to respond to the presence or absence of a handwasher. 2. A water stopcock is provided on an upstream side of the toilet body water supply passage,
Solenoid valves are respectively provided on the downstream side, the branch pipe is disposed on the secondary side of the stopcock of the toilet body water supply passage and on the primary side of the electromagnetic valve, and the electromagnetic valve is disposed on the handwasher water supply passage. The flush toilet of claim 1. 3. The flush toilet according to claim 2, wherein a constant flow valve is provided in each of the toilet main body water supply passage and the handwasher water supply passage. 4. A water pipe is connected to a water outlet on a water outlet side of a second water path of a branch pipe, and the water pipe is a handwash formed in a handwash body mounted on a rear end upper surface of a toilet body. The flush toilet according to any one of claims 1 to 3, wherein the flush toilet is connected to the water supply channel and housed together with the branch pipe in the body of the handwasher. 5. The flush toilet according to claim 4, wherein the solenoid valve is accommodated in the handwash body. 6. The flush toilet according to claim 4, wherein the constant flow valve together with the solenoid valve is housed in the handwash body. 7. A branch pipe in which a water-stopping member is connected to a water outlet on a water outlet side of a second water passage of the branch pipe, is housed in a lid attached to a rear end upper surface of a toilet body. The flush toilet according to any one of 1 to 3. 8. The flush toilet according to claim 7, wherein the solenoid valve is housed in the lid. 9. The flush toilet according to claim 7, wherein the constant flow valve is housed in the lid together with the solenoid valve. 10. The flush toilet according to any one of claims 1 to 6, wherein an end of a hand-washing drainage channel of the hand-washing device faces an end of the toilet body water supply channel, and the hand-washing drainage can be used for washing the toilet.