JP4941983B2 - Overflow opening / closing structure - Google Patents

Description

  The present invention relates to a structure of an overflow part of a toilet bowl, particularly a toilet bowl of a toilet vanity. More specifically, the present invention relates to an opening / closing structure of an overflow port through which overflow water overflows.

  A wash bowl made of earthenware or plastic is usually used by being fixed to a wash cabinet. The above-mentioned wash cabinet is used as a storage place for various accessories such as wash-basins and sanitary, and also drains water from the drain provided on the bottom of the wash bowl and overflows water from the overflow opening. It is also used as a location for the drainage pipe that flows through.

  The wash bowl is usually composed of a bowl part and a counter part. The bowl part is provided with a drain outlet on the bottom surface, and a faucet, a hot water mixing tap, etc. are attached to the counter part and hot water is supplied from the faucet. . In addition, when the hot water is accumulated in the bowl part on the side wall that constitutes the bowl part, in particular, the side wall below the faucet, the hot water does not overflow from the bowl part so that the hot water does not overflow from the bowl part. An overflow opening is provided at a position higher by a predetermined dimension. Overflowing water flows into the overflow opening, the overflowing hot water flows into the overflow pipe, and is discharged into the drain pipe together with the drainage from the drain outlet.

  The following Patent Document 1 proposes a water tank with an overflow mechanism that can be easily provided with the overflow function described above at low cost. That is, in a water tank having a drain port, an overflow hole having an overflow hole at a predetermined height higher than the drain port, and an overflow water channel for communicating the overflow hole and the drain port, There is disclosed an overflow-equipped water tank in which the overflow mechanism portion that is a separate body is assembled on the inner surface side of the water tank.

And, as an effect, there is an overflow mechanism part that is separated from the water tank body on the inner surface side of the water tank, so it is not necessary to mold the overflow mechanism part of a complicated structure integrally with the water tank, It is described that the water tank can be provided with an overflow mechanism.
Japanese Patent Laid-Open No. 2000-1554569 (pages 1 to 5, FIGS. 1, 2 and 3)

  However, as shown in FIGS. 1, 2 and 3, the technique described in Patent Document 1 is composed of two components, a water tank main body and an overflow mechanism, each of which is molded. A mold is required to do this. In particular, since the overflow mechanism is formed hollow and provided with an overflow hole, an overflow water channel, etc., there is a problem that molding is difficult and the manufacturing cost increases.

  The present invention solves such problems and provides an opening / closing structure for an overflow port that has a simple structure and can be easily opened and closed and an overflow port opened and closed by a series of operations. This is the issue.

  In order to solve the above problems, the present invention takes the following technical means. That is, the opening / closing structure of the overflow port according to claim 1 is a wash bowl composed of a bowl portion having a drain port on the bottom surface and a counter unit, and has a predetermined dimension on the side wall constituting the bowl portion from the drain port. The overflow port provided at a high position is opened and closed by an operation unit provided in the counter unit via a release wire. The material of the wash bowl is not particularly limited, and various materials such as ceramic, synthetic resin, and smoke can be used.

Further, the overflow port is an overflow hole, and a disk provided with an insertion hole closes or communicates with the overflow hole to open and close the overflow port, and a crank connected to the disk and the release wire. and a mechanism, overflow port is closed by a pop-up Shikitome faucet is opened, and closing the overflow hole portion the disc is rotated via the crank mechanism in a state the pop-up knob is depressed Thus, the vertical movement of the release wire is converted into a rotational movement and transmitted.

According to a second aspect of the present invention , there is provided a wash bowl comprising a bowl portion having a drain port on the bottom surface and a counter unit, and an overflow port provided on a side wall constituting the bowl portion at a position higher than the drain port by a predetermined dimension. Is an opening / closing structure of an overflow port that is opened and closed by an operation unit provided in a counter unit via a release wire, wherein the overflow port is an overflow hole, and a disk provided with an insertion hole is the overflow hole a disk for opening and closing the overflow port a section through blockage or communicating, and a crank mechanism connected this disc and the release wire, the knob top Symbol popup popup Shikitome faucet is closed in the pulling state, and the crank The disk rotates through a mechanism, and the overflow hole and the insertion hole communicate with each other. Overflow port is such that the open, converts the vertical movement of the release wire into rotational motion, and characterized by being transmitted by.

The invention according to claim 3 of the present application is characterized in that, in the opening and closing structure of the overflow port according to claim 1 or 2 , the insertion hole is circular.

  In the opening / closing structure of the overflow port according to the first aspect of the present invention, it is as described above, and in particular, the drain port provided on the bottom surface of the bowl portion of the wash bowl and the position higher than the drain port by a predetermined dimension Since the opening and closing of the overflow port is performed by the operation unit provided in the counter unit via the release wire, the opening and closing of the drain port and the opening and closing of the overflow port can be easily performed by a series of operations on the counter.

In addition , when the above pop-up knob is pressed down, the vertical movement of the release wire is converted into a rotary movement and transmitted so that the pop-up stop cock is opened and the overflow port is closed. The drainage of the drainage from the overflow port can be prevented by the sudden drainage. In addition, intrusion of odor from the drain pipe connected to the outside can be prevented.

In the opening and closing structure of the overflow port according to claim 2 , in particular, when the pop-up knob is pulled up, the vertical movement of the release wire is rotated so that the pop-up stop cock is closed and the overflow port is opened. Since it is converted and transmitted, the drainage port is closed and hot water can be stored, and hot water overflowed due to forgetting to close the faucet or the like can be discharged from the overflow port to an external drainage pipe.

In the opening / closing structure of the overflow port according to claim 3 , in particular, by making the insertion hole circular, it is possible to easily provide the insertion holes in the disk at predetermined intervals, and smoothly opening and closing the overflow opening. Can do.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is an explanatory view showing an opening / closing structure of an overflow port according to the present invention. As shown in FIG. 1, the wash bowl A includes a bowl portion 1 and a counter portion 2, and a drain port 11 is provided on the bottom surface of the bowl portion 1, and an overflow port 12 is located at a position higher than the drain port 11 by a predetermined dimension. Has been worn. The drain port 11 is provided with a drain hole 111 and has a pop-up stop cock 3. The counter portion 2 is provided with a pop-up knob 4 for opening and closing the pop-up stop cock 3. Yes.

  The pop-up knob 4 functions as an operation unit for operating the power transmission mechanism B composed of the release wire 5 and the power transmission lever 6, and the force from the power transmission mechanism B pushes the pop-up stop cock 3 through the rod 31. The drain port 11 is opened and closed by moving it up and down. That is, as shown by the arrow in FIG. 1, when the pop-up knob 4 is pushed down, the pop-up stop cock 3 is pushed up to open the drain port 11 and close the overflow port 12.

  In the state shown in FIG. 1, when the pop-up knob 4 is pushed down, the upper release wire 51 moves linearly downward, and the force rotates the upper power transmission lever 61 in the clockwise direction to advance the lower release wire 52. As the lower release wire 52 moves forward, the lower power transmission lever 62 rotates clockwise to push up the rod 31, the pop-up stop cock 3 rises and the drain port 11 opens, and the hot water in the bowl portion 1 is drained from the drain hole. Drained from 111.

  On the other hand, a known crank mechanism 8 is connected to the upper release wire 51, and the crank mechanism 8 converts the linear motion of the upper release wire 51 into a rotational motion. This rotational motion is transmitted to the disk 7 via the shaft 81, and the disk 7 rotates.

  As shown in FIG. 1, a plurality of circular insertion holes 71 are formed in the disk 7, and an overflow hole portion provided in the side wall of the bowl portion 1 as the overflow port 12 communicates with the insertion hole 71. When the overflow water flow path is formed and does not communicate, the overflow hole is closed. FIG. 1 shows a state in which the overflow hole is closed and the overflow port 12 is closed. The crank mechanism 8 and the disk 7 are sealed by a known water sealing mechanism 9.

  As shown in FIG. 1, when the drain port 11 is open and the overflow port 12 is closed, sudden drainage from the drain port 11 prevents backflow of drainage from the overflow port 12 and generation of air pull-in sound. Furthermore, odor backflow from the drain pipe outside the figure can be prevented.

  FIG. 2 is an explanatory view showing a state where the crank mechanism 8 converts the linear motion of the upper release wire 51 into a rotational motion and rotates the disk 7. FIG. 2 shows a state where the disk 7 is viewed from the counter unit 2 side of the wash bowl A, that is, from the back side, and the overflow hole provided in the side wall of the bowl unit 1 (not shown) and the insertion hole 71 communicate with each other. When the overflow water flow path is formed as described above, the overflow port 12 is opened. On the other hand, when the overflow hole is blocked by a portion other than the insertion hole 71 of the disk 7, the overflow water channel is not formed, and the overflow port 12 is closed.

  FIG. 3 is an explanatory diagram showing an operation when the pop-up knob 4 is pulled up, contrary to FIG. At this time, as indicated by an arrow in FIG. 3, the pop-up stop cock 3 is pulled down to close the drain port 11, and the upward movement of the upper release wire 51 is converted into a rotational motion by the crank mechanism 8. At the same time, it is transmitted to the disk 7 through the shaft 81 and the disk 7 rotates.

  As shown in FIG. 3, when the overflow hole and the insertion hole 71 are communicated with each other by the rotation of the disk 7, the overflow water flow path is formed and the overflow port 12 is opened. In the state shown in FIG. 3, since the drain hole 111 is blocked, hot water can be stored, and hot water overflowed due to forgetting to close the faucet or the like can be discharged from the overflow port 12 to the drain pipe outside the figure. .

  FIG. 4 is an external perspective view showing the opening and closing structure of the overflow port according to the present invention configured as described above. In the above embodiment, the case where the circular insertion hole 71 is formed in the disk 7 has been described. However, the disk 7 may be provided with the fan-shaped insertion hole 71. Moreover, although the said embodiment demonstrated the wash bowl as an example, this invention is applicable also to water tanks, such as a kitchen sink and other sinks, and a bathtub. Thus, the design of the present invention is freely changeable, and belongs to the technical scope of the present invention without departing from the scope of the claims.

It is explanatory drawing which shows schematic structure of the opening-closing structure of the overflow port concerning this invention. It is explanatory drawing which shows the state in which a crank mechanism converts the linear motion of an upper release wire into rotational motion, and rotates a disk. It is explanatory drawing which shows schematic structure of the opening-closing structure of the overflow port concerning this invention. It is an external appearance perspective view which shows the opening-closing structure of the overflow port concerning this invention.

Explanation of symbols

A Washing bowl B Power transmission mechanism 1 Bowl part 11 Drain port 111 Drain hole 12 Overflow port 2 Counter unit 3 Pop-up stopcock 31 Rod 4 Pop-up knob 5 Release wire 51 Upper release wire 52 Lower release wire 6 Power transmission lever 61 Upper part Power transmission lever 62 Lower power transmission lever 7 Disk 71 Insertion hole 8 Crank mechanism 81 Shaft 9 Water seal mechanism

Claims (3)

In a wash bowl composed of a bowl portion and a counter portion provided with a drain port on the bottom surface, an opening and closing of an overflow port provided at a position higher than the drain port on the side wall constituting the bowl unit via a release wire is opened and closed. An opening and closing structure of an overflow port performed by an operation unit provided in the counter unit ,
The overflow port is an overflow hole, and a disk provided with an insertion hole closes or communicates with the overflow hole to open and close the overflow port, and a crank mechanism connected to the disk and the release wire. With
When the pop-up knob is pushed down, the pop-up stop cock is opened, and the release port is closed by rotating the disk via the crank mechanism and closing the overflow hole. The opening and closing structure of the overflow port, which converts the vertical movement of the head into a rotational movement and transmits it. In a wash bowl composed of a bowl portion and a counter portion provided with a drain port on the bottom surface, an opening and closing of an overflow port provided at a position higher than the drain port on the side wall constituting the bowl unit via a release wire is opened and closed. An opening / closing structure of an overflow port performed by an operation unit provided in a counter unit, wherein the overflow port is used as an overflow hole, and a disk provided with an insertion hole closes or communicates with the overflow hole. A disc for opening and closing the mouth, and a crank mechanism connected to the disc and the release wire,
When the pop-up knob is pulled up, the pop-up stop cock is closed, and the disk rotates through the crank mechanism so that the overflow hole and the insertion hole communicate with each other so that the overflow port is opened. In addition, the opening and closing structure of the overflow port is formed by converting the vertical movement of the release wire into rotational movement and transmitting it. The overflow opening / closing structure according to claim 1 or 2 , wherein the insertion hole is circular.

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