JP3674405B2 - Low tank structure - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a structure of a low tank.
[0002]
[Prior art and problems]
Conventionally, the low water tank 1 of the middle water specification is configured as shown in the front internal structure diagram of FIG. 5 and the side internal structure diagram of FIG. 6.
That is, a lid 3 with a hand-washer is covered on the upper surface of the low tank body 2, and a faucet 4 capable of supplying clean water into the lid 3 with a hand-washer is connected to a water pipe (not shown) on the wall surface of a toilet or the like. Is provided.
On the other hand, the ball tap 5 provided in the low tank main body 2 is connected to a non-illustrated intermediate water pipe for flowing the intermediate water which is reused water, and is configured to supply the intermediate water into the low tank main body 2. 6, the middle water is configured to be stored in the low tank main body 2 up to a certain water level. Further, a discharge port 8 that is open to communicate with the toilet bowl is formed on the bottom surface of the low tank body 2, and a ball valve 9 is provided at the discharge port 8 so as to be openable and closable. An overflow pipe 7 is erected so as to communicate with each other.
[0003]
In such a low water tank 1 with the specification of middle water, when a large amount of clean water flows into the low tank main body 2 from the drain port 3a of the lid 3 with a hand-washer, the water level in the low tank main body 2 rises. 6 excessively presses the water-stopping packing in the ball tap 5 and promotes the deterioration of the water-stopping packing. A rubber tube 50 is connected to the drain outlet 3a on the bottom surface of the lid 3 with a handwasher with a clip 51 in order to discharge the clean water flowing down from the lid 3 with the handwasher to the toilet side for the purpose of preventing this deterioration. The lower end of the rubber pipe 50 is inserted into the upper end side of the overflow pipe 7, and the clean water flowing down from the side of the lid 3 with the hand-washer is poured into the overflow pipe 7 through the rubber pipe 50 to the toilet side. It is configured to escape.
[0004]
However, in this conventional structure, when the lid 3 with a hand-washer is placed on the low tank body 2, it is necessary to insert the lower end of the rubber tube 50 into the upper end side of the overflow tube 7, and the rubber tube 50 is connected to the overflow tube 7. There was a problem that it was difficult to plug in. In addition, the rubber tube 50 may be bent due to poor insertion of the rubber tube 50, and water may not flow from the lid 3 with a hand-washer. In addition, it is necessary to fix the rubber tube 50 to the drain outlet 3a of the lid 3 with a hand-washer in advance with a clip 51 or the like, and there is a problem that the construction is troublesome.
[0005]
[Means for Solving the Problems]
The present invention has been devised in view of the above-mentioned conventional problems, and can provide a low tank structure in which clean water can be satisfactorily poured into an overflow pipe from a lid with a hand-washer and can be easily constructed. The purpose, the gist of which is the upper surface of the main body with a ball tap that is connected to the water supply and can introduce the medium water up to a predetermined water level, and an overflow pipe that is erected with the lower end communicating with the toilet. In a low tank that can supply water from a faucet connected to the water supply and has a drain with a drain opening that opens on the bottom side of the low tank main body, it is inserted into the upper end of the overflow pipe. water receiving member to funnel attached can be poured clean water flowing down from the drain outlet of the water basin with a lid is integrally formed to the overflow tube to the said Rotan Is that which is previously Kutsugae設as a lid on the upper surface of the inner tank provided on the inner peripheral side of the body.
[0006]
【Example】
Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a front internal structure diagram of a low water tank of medium water specification, and FIG. 2 is a side internal structure diagram. The same members as those in the conventional example are denoted by the same reference numerals, and detailed description thereof will be omitted because it is duplicated, and only the main part will be described mainly.
[0007]
That is, in the low tank 1 shown in FIG.1 and FIG.2, the water receiving member 10 is provided in the upper surface side of the row tank main body 2, The funnel part 10a is formed in this water receiving member 10 in the hanging shape, The portion 10a can be formed so as to be inserted into the upper end side of the overflow pipe 7. The water receiving member 10 is formed of resin or the like, and the upper surface of the low tank body 2 and the lower surface of the lid 3 with the hand-washer The water receiving member 10 can satisfactorily receive the water flowing down from the drainage port 3a on the bottom side of the lid 3 with the hand-washer. The water can be satisfactorily poured into the overflow pipe 7 through the funnel portion 10a, and the water is allowed to escape from the discharge port 8 to the toilet bowl through the overflow pipe 7 to prevent the water from flowing down into the low tank body 2. This Can.
[0008]
Such a water receiving member 10 can be attached to the upper surface of the raw tank body 2 in a cover shape in advance, and a lid 3 with a hand-washer can be placed thereon and pressed down to be fixed. The water receiving member 10 can be attached to the lower surface side of the water-washing member. As another example, the water receiving member 10 can be integrally formed on the lower surface of the lid 3 with the hand-washer. By simply placing 3 on the upper surface of the low tank body 2, the funnel portion 10 a of the water receiving member 10 can be reliably inserted into the upper end side of the overflow pipe 7, and the construction becomes easy. That is, the water receiving member 10 is securely joined to the overflow pipe 7 without the trouble of attaching the rubber pipe 50 to the lid 3 with a hand-washer as in the prior art and without worrying about the breakage of the rubber pipe 50. Thus, the clean water flowing down from the lid 3 with the hand-washer can be drained to the toilet bowl through the overflow pipe 7.
[0009]
Note that the upper end side of the overflow pipe 7 into which the funnel part 10a is inserted needs to be enlarged in diameter by the amount of insertion of the funnel part 10a. In the middle water specification, the upper end side of the overflow pipe 7 is determined to be enlarged. However, when the upper end side of the overflow pipe 7 is enlarged, it is difficult to remove the ball valve 9 when replacing it. Therefore, for example, as shown in FIG. It can be set as the structure which can attach or detach the upper end side of.
[0010]
That is, in FIG. 3, a separate upper end detachable member 71 is coaxially attached to the upper end of the overflow pipe 7, and the inner diameter of the upper end detachable member 71 is larger than that of the overflow pipe 7. An inclined portion 71b inclined in a funnel shape is integrally formed at the lower portion of the enlarged diameter portion 71a, and a lower end surface of the inclined portion 71b forms an abutment surface 71c that abuts on an upper end surface of the overflow pipe 7. An inner hanging piece 71d is integrally formed on the inner side of the abutting surface 71c, and a sealing O-ring O that is in sliding contact with the inner circumferential surface of the overflow pipe 7 is formed on the outer periphery of the lower end of the inner hanging piece 71d. It has been fitted. In addition, an outer hanging piece 71e is provided outside in parallel with the inner hanging piece 71d, and a locking claw 71f is integrally formed at the lower end of the outer hanging piece 71e so as to protrude inward. ing.
[0011]
If the recess 7a is formed in the outer periphery on the upper end side of the overflow pipe 7 in advance so that the locking claw 71f fits into the recess 7a, a separate body is formed on the upper end side of the overflow pipe 7. The upper end attaching / detaching member 71 can be easily fitted and fixed. The upper end attaching / detaching member 71 can be easily pulled out and removed for maintenance or the like when the ball valve 9 or the like is replaced or maintained.
[0012]
Next, FIG. 4 shows a modified example. In FIG. 4, an inner tank 21 is provided on the inner peripheral side of the low tank main body 2, and a dewproof material 11 is attached to the outer peripheral side of the inner tank 21. It has become. Moreover, in FIG. 4, the faucet 4 is attached to the lid 3 with a hand-washer, and it is configured to supply clean water into the lid 3 with a hand-washer by operating the handle 4a of the faucet 4. . The faucet 4 is connected to a water pipe 14 through which clean water passes. Further, the ball tap 5 is connected to a middle water pipe 15 disposed between the inner tank 21 and the low tank main body 2 so that middle water flows into the inner tank 21 and is stored therein.
[0013]
In this example, the funnel portion 10a is formed integrally with the lid of the inner tank 21, and the water receiving member 10 that also serves as the lid of the inner tank 21 is provided. The funnel portion 10a can be inserted into the enlarged diameter portion 71a of the upper end attaching / detaching member 71 at the upper end of the overflow pipe 7, and the lid 3 with a hand-washer is disposed above the low tank body 2. The construction time can be shortened simply by placing the water, and the construction time is shortened. After the construction, the clean water in the lid 3 with the hand-washer is passed through the funnel 10a of the water receiving member 10 from the drain port 3a. It will surely be able to flow into the overflow pipe 7 and be discharged to the toilet.
[0014]
【The invention's effect】
The present invention is connected to the water supply on the upper surface of the main body of the rotan which has a ball tap which is connected to the water supply and can introduce the intermediate water up to a predetermined water level, and an overflow pipe which is erected with the lower end communicating with the toilet. In a low tank, which is capable of supplying clean water from a water faucet and is covered with a lid with a hand-washer having a drain opening opened to the low tank main body side on the bottom side, it is attached to the upper end of the overflow pipe in an insert shape A water receiving member is formed on the upper surface of the inner tank provided on the inner peripheral side of the low tank body, wherein a funnel portion is integrally formed and water that flows down from the drain outlet of the lid with the hand-washer can be poured into the overflow pipe. by being pre Kutsugae設as a lid, if by Kutsugae設the upper surface of the pre inner tank water receiving member which also serves as a lid of the inner tank, placing a water basin with a lid Just briefly installation is complete that, construction time is the shorter, discharged to write Nde toilet side reliably flowed into the overflow tube through a funnel portion of the water receiving member to clean water in a covered water basin from the drain port after installation Will be able to do.
[Brief description of the drawings]
FIG. 1 is a front internal structure diagram of a low tank with medium water specifications according to a first embodiment.
FIG. 2 is a side internal structural view of FIG. 1;
FIG. 3 is an enlarged half sectional view showing a state in which an upper end detachable member is attached to the upper end of the overflow pipe.
FIG. 4 is a front internal structural view of a double low tank of middle water specification of a second embodiment.
FIG. 5 is a front internal structural diagram of a conventional low water tank of middle water specification.
6 is a side internal structure diagram of FIG. 5. FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Low tank 2 Low tank main body 3 Cover with hand-washer 3a Drain outlet 4 Water tap 5 Ball tap 6 Float 7 Overflow pipe 7a Recessed part 8 Outlet 9 Ball valve 10 Water receiving member 10a Funnel part 11 Dew prevention material 14 Water pipe 15 Middle water pipe 21 Inner Tank 71 Upper end attaching / detaching member 71a Expanded portion 71b Inclined portion 71c Contact surface 71d Inner hanging piece 71e Outer hanging piece 71f Locking claw O O-ring

Claims (1)

On the upper surface of the rotan body with a ball tap connected to the sewer and capable of introducing the middle water to a predetermined water level, and an overflow pipe standing upright with the lower end communicating with the toilet.
In the low tank, which can supply water from a faucet connected to the water supply, and has a lid with a hand-washer having a drain opening opened on the low tank body side on the bottom side,
A water receiving member that is integrally formed with an upper end of the overflow pipe so as to be inserted in a form of water and flows into the overflow pipe from the drain of the lid with the hand-washer is provided inside the low tank body. A low tank structure, wherein an upper surface of an inner tank provided on a peripheral side is previously covered as a lid .

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