JP5382603B2 - Flush toilet - Google Patents

Description

  The present invention relates to a flush toilet, and more particularly, to a flush toilet equipped with a structure of a hand-washing water supply pipe to a hand-washing basin that also serves as a lid of a row tank provided on a row tank.

  Conventionally, a handwashing bowl water supply pipe is a state where a branched water supply pipe and a spout fixed to the handwashing bowl are divided from a ball tap arranged in the row tank, and the lid constituting the handwashing bowl is assembled to the row tank. And connected to the spout. For this reason, when the lid constituting the hand-washing bowl is removed and the lid constituting the hand-washing bowl is closed again by maintenance or the like in the low tank, the connection of the water supply pipe becomes complicated. A seal structure is indispensable for the connecting portion of the water supply pipe, and there is a possibility that a water leakage accident may occur unexpectedly if the packing material is turned over or not fitted at a predetermined position. In order to solve such a problem, there is one in which a notch is formed in a part of the hand-washing basin and the hand-washing water supply pipe branched from the ball tap is directly supplied to the hand-washing basin (for example, Patent Document 1 and Patent Document). 2).

Japanese Utility Model Publication No. 48-62838 Japanese Utility Model Publication No. 58-6874

In recent years, it has been required to use the space in the toilet space effectively. Therefore, the length from the rear wall of the toilet space to the tip of the toilet (the above-mentioned dimensions) should be as short as possible when installing the toilet. It is requested to do.
For example, in a low-tank toilet that uses wash water supplied to the tank, the width of the low tank is narrower in the front-rear direction to meet the demand. In addition, a sanitary washing device for washing a user's local area is generally installed in a Western-style toilet. In sanitary washing equipment, not only enhancement of washing functions, but also additional functions such as deodorization and room heating, and energy saving functions aiming to reduce the electricity bill used are often added. The volume occupied by the functional unit inside the cleaning apparatus is increasing year by year. The hinge position of the toilet seat and the toilet lid that are rotatably provided on the upper surface of the sanitary washing device tends to move upward. As a result, the stool lid tip moves upward when the stool lid is open, and tends to prevent the user's hand from approaching the hand-washing bowl. Therefore, in the case of using a low tank lid as a hand-washing bowl, not only does the space for the hand-washing bowl become small, but it tends to limit the user's approach direction to the hand-washing bowl, making it difficult to do hand-washing It has become. Moreover, even in the type in which the hand-washing hardware is installed inward from the region of the upper surface of the conventional hand-washing bowl as described in Patent Document 1 and Patent Document 2 described above, the problem is that the problem is significant. .

  Therefore, the present invention has been made to solve the above-described problems of the prior art, and while securing the space for the hand-washing bowl and the approach direction of the user to the hand-washing bowl, the toilet bowl in the toilet space is provided. It aims at providing the flush toilet equipped with the low tank structure with a hand-washing bowl which suppressed the above-mentioned dimension as much as possible.

In order to achieve the above object, the present invention provides a flush toilet flushed with washing water, a row tank body for storing washing water, a detachably fixed on the row tank body, and the entire upper surface thereof. A lid that forms a hand-washing bowl; water supply means for supplying wash water to the low tank body; and a hand-washing water supply pipe that branches from the water supply means and extends so as to locate a water discharge port above the hand-washing bowl. The hand-washing water supply pipe is arranged to bypass the hand-washing bowl from the side of the low-tank body, and stands up from the row tank body within the maximum range of the width and depth dimensions of the hand-washing bowl. It is said.
In this invention comprised in this way, since the whole upper surface of a lid | cover can be utilized as a hand-washing basin, it is easy to do a hand-washing action. Further, since the hand-washing water supply pipe is arranged around the hand-washing bowl from the side of the low tank main body, it is not necessary to take care to open and close the lid during maintenance. In addition, the degree of freedom is wide in terms of the approach direction of the user to the hand-washing bowl. Furthermore, since the hand-washing water supply pipe stands from the low tank main body within the maximum range of the width and depth dimensions of the hand-washing bowl, the effective space of the toilet space can be effectively used. Moreover, it will be excellent in design without impairing the sense of unity between the toilet bowl and the hand-washing water supply pipe.

In this invention, Preferably, the outer periphery of a hand-washing bowl has an elliptical shape.
In this invention comprised in this way, it is easy to do hand-washing, and it becomes what was excellent in design property, without impairing the unity feeling of a toilet bowl and a hand-washing water supply pipe. Moreover, even if the hand-washing water supply pipe is arranged around the hand-washing bowl from the side of the low tank main body, the occupied area when the Western-style toilet including the low tank is viewed in plan view does not protrude. The space that was not used will be used effectively.

  According to the flush toilet of the present invention, it is possible to suppress the above-mentioned dimensions of the toilet in the toilet space while securing the space for the hand-washing basin.

Hereinafter, a flush toilet according to an embodiment of the present invention will be described with reference to the accompanying drawings.
First, FIG. 1 is a sectional view of a flush toilet of this embodiment. As shown in FIG. 1, reference numeral 1 denotes a flush toilet. A bowl portion 2 is formed on the front side of the upper part of the flush toilet 1, a water guide channel 4 is formed on the rear side, and a lower side of the water guide channel 4. Are formed with drain trap lines 6 communicating with the bowl portion 2.

  An overhang-shaped rim 8 is formed on the upper edge of the bowl portion 2 of the flush toilet 1, and one or two rim spouts 10 through which flush water is supplied from the water conduit 4 are formed on the rim 8. The washing water descends while swirling so that the bowl part 2 can be washed. Further, a jet spout 12 to which wash water is supplied from the water conduit 4 is formed at the center lower portion of the bowl portion 2, and the wash water is spouted from the jet spout 12 toward the drain trap pipe 6, and the siphon Is to be generated in a short time.

  Above the water conduit 4 of the flush toilet 1, a low tank 14 for storing washing water is provided. A communication port 14 b communicating with the water conduit 4 of the flush toilet 1 is formed on the bottom surface 14 a of the low tank 14.

Next, the details of the low tank 14 will be described with reference to FIGS. FIG. 2 is a front sectional view showing the inside of the low tank, and FIG. 3 is a plan view of the low tank.
As shown in FIG. 2, the row tank 14 includes a row tank body 14c that forms an outer frame of the row tank 14, and a lid 14e that is detachably fixed on the row tank body 14c and forms a hand-washing bowl 14d on the upper surface thereof. I have.
The low tank main body 14c includes an inner tank 14f in which washing water is stored. The inner tank 14f is provided with a drain valve 16, an overflow pipe 18, a water supply pipe 20, a ball tap 22, and a float 24. The lid 14e that forms the hand-washing basin 14d provided above the low tank 14 does not have a water supply connection function. Even if the lid 14e is removed or reattached, a water leakage accident may occur depending on the quality of the connection work. It does not occur.

  Specifically, the drain valve 16 includes a large washing valve body 16a and a small washing valve body 16b, and both the valve bodies 16a and 16b are provided in the communication port 14b portion of the bottom surface 14a of the low tank 14. ing. Further, the valve bodies 16a and 16b are respectively connected to ball chains 28a and 28b connected to the operation lever 26. By operating the operation lever 26 to switch between large washing and small washing, The opening / closing operation of the valve body 16a or the small cleaning valve body 16b is performed.

  The drain valve 16 stores the wash water in the inner tank 14f of the low tank main body 14c by the closing operation, and passes the wash water in the inner tank 14f of the low tank main body 14c through the water conduit 4 of the flush toilet 1 by the opening operation. Thus, the rim water spouting port 10 and the jet water spouting port 12 are guided.

  The overflow pipe 18 is provided so that an opening 18 a is formed at the upper end thereof and the lower end thereof communicates with the valve seat 16 c of the drain valve 16. Even if the water level of the washing water rises by this overflow pipe 18, the washing water overflows from the opening 18 a, and further passes through the valve seat 16 a of the drain valve 16 and further passes through the water conduit 4 of the flush toilet 1. After that, the rim water spouting port 10 and the jet water spouting port 12 are discharged into the bowl portion 2.

Further, the water supply pipe 20 is attached to the bottom surface 14a of the low tank 14, is connected to a water supply source (not shown) such as an external water supply, and supplies cleaning water into the inner tank 14f of the low tank main body 14c. Yes.
A ball tap 22 is provided at the tip of the water supply pipe 20 as water supply means for supplying cleaning water into the inner tank 14f of the low tank main body 14c. An arm 30 is attached to the ball tap 22, and a float 24 is attached to the right end of the arm 30. As the float 24 moves up and down as the level of the cleaning water in the inner tank 14f changes, a water supply valve (not shown) in the ball tap 22 opens and closes, and the cleaning water from the water supply pipe 20 into the inner tank 14f is opened. The water discharge and the water stop can be switched.

In addition to the water supply pipe 20, a hand-washing water supply pipe 32 is branched from the ball tap 22. The hand-washing water supply pipe 32 branches from the ball tap 22 and extends upward from a start end portion 32a provided adjacent to the side surface of the low tank main body 14c to an intermediate portion 32b exceeding the height of the hand-washing bowl 14d.
Further, the hand-washing water supply pipe 32 is hand-washed in which the drain hole 14g of the hand-washing basin 14d is formed so that the water-spout 32c is located above the hand-washing basin 14d from the intermediate part 32b to the water-spout 32c that is the terminal part. It extends toward the center of the bowl 14d, and is arranged around the hand-washing bowl 14d from the side of the low tank body 14c so that the entire upper surface of the lid 14e can be used as the hand-washing bowl 14d.

Furthermore, as shown in FIG. 3, the outer periphery of the hand-washing bowl 14d has an elliptical shape. Assuming that the dimension lines that define the maximum width dimension l and the maximum depth dimension d of the oval hand-washing bowl 14d are L1 and L2, respectively, the part from the start end part 32a to the intermediate part 32b of the hand-washing water supply pipe 32 is the dimension line L1. , L2 and the region A surrounded by the side surface 14h of the low tank main body 14c.
That is, the portion from the start end portion 32 a to the intermediate portion 32 b of the hand-washing water supply pipe 32 stands up from the low tank main body 14 c within the maximum range of the width dimension and the depth dimension of the hand-washing bowl 14.
Water discharged from the hand-washing water supply pipe 32 into the hand-washing basin 14d is drained from the drain hole 14g into the inner tank 14f of the low tank main body 14c.

According to the flush toilet 1 of this embodiment mentioned above, since the whole surface of the lid | cover 14e can be utilized as the hand-washing basin 14d, it is easy to wash hands. The user approaches the hand on the hand-washing basin 14d while avoiding an open toilet seat and toilet lid (not shown), but the approach direction does not interfere with the hand-washing water supply pipe 32, and the hand-washing operation is easy to perform. It will be. Further, since the hand-washing water supply pipe 32 is disposed around the hand-washing bowl 14d from the side surface 14h of the low tank main body 14c, it is not necessary to take care to open and close the lid 14e during maintenance.
Moreover, according to the flush toilet 1 of this embodiment, the outer periphery of the hand-washing basin 14d has an elliptical shape, and the hand-washing water supply pipe 32 is within the maximum range of the lateral width dimension l and the depth dimension d of the elliptical hand-washing bowl 14d. Therefore, the effective space of the toilet space can be used effectively because it stands up from the low tank main body 14c. Therefore, it is possible to provide a flush toilet equipped with a low tank structure with a hand wash basin that minimizes the above-mentioned dimensions of the flush toilet 1 in the toilet space while ensuring a space for the hand wash basin 14d. Furthermore, the design is excellent without impairing the sense of unity between the flush toilet 1 and the hand-washing water supply pipe 32.

It is sectional drawing of the flush toilet bowl of this invention. It is front sectional drawing which shows the inside of the low tank of the flush toilet bowl of this invention. It is a top view of the low tank of the flush toilet of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Flush toilet 14 Low tank 14c Low tank main body 14d Hand-washing bowl 14e Lid 14f Inner tank 20 Water supply pipe 22 Ball tap 32 Hand-wash water supply pipe

Claims (2)

A flush toilet that is washed with wash water,
A low tank body for storing washing water;
A lid that is detachably fixed on the low tank body and forms a hand-washing bowl over the entire upper surface;
Water supply means for supplying cleaning water to the low tank body;
A hand wash water supply pipe branched from the water supply means and extending so as to position the water outlet above the hand wash bowl,
The hand-washing water supply pipe is arranged so as to bypass the hand-washing bowl from the side of the low-tank main body, and stands up from the low-tank body within a maximum range of a width dimension and a depth dimension of the hand-washing bowl. Flush toilet. The outer periphery of the hand washing bowl flush toilet bowl according to claim 1 having an elliptical shape.

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