JPH0423966Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a water supply control box for installing a water supply control mechanism that controls the amount of flush water supplied to a toilet bowl or the like. More specifically, the present invention relates to an improvement in the waterproof structure for the electrical part of the water supply control mechanism in a water supply control box consisting of a box part in which the water supply control mechanism is housed and a cover part attached to the box part.

(Prior art and its problems) Conventionally, as a water supply control box, for example, the one described in Japanese Utility Model Publication No. 58-6942 is known.

This conventional water supply control box has a structure that facilitates maintenance and inspection of internal mechanisms such as the water supply control mechanism, and is fixedly installed with an open window in a part of the box that houses the water supply control mechanism. A box section,
It consists of a cover part that is detachably attached to the open window of the box part. The water supply control mechanism housed in the box section consists of a mechanical section such as a valve and an electrical section such as a controller.

In this conventional water supply control box, a sealing material made of rubber or the like is interposed between the box part and the cover part, but it completely prevents water from entering the box part where the water supply control mechanism is housed. However, there is a problem in that the electrical part of the water supply control mechanism may be splashed with water and damaged.

(Purpose of the invention) The present invention was made to solve the above-mentioned problems, and its purpose is to provide a water supply control box in which the electrical part of the water supply control mechanism is completely waterproof.

(Structure) In order to achieve the above-mentioned purpose, the water supply control box according to the present invention includes a box part that houses a water supply control mechanism and is fixedly installed with an opening window in a part, and an opening part of this box part. In a water supply control box consisting of a cover part that is attached to a window, a running water plate that projects from the cover part into the inside of the box part and whose projecting end is bent upward in an L-shape is fixed to the cover part, and the projecting end of this water board is fixed to the cover part. The electric part of the water supply control mechanism is attached and housed below the water flow plate.

(Function) In the above-mentioned configuration, the water plate having the L-shaped protruding end allows the water that has entered the box portion to flow directly below it.
By preventing falling or flowing into the protruding end side and forming a waterproof area, and housing the electrical part of the water supply control mechanism in this waterproof area, the purpose of completely waterproofing the electrical part of the water supply control mechanism is achieved. do.

(Example) Hereinafter, an example of the water supply control box according to the present invention will be described based on the drawings.

This embodiment shows a configuration consisting of a box section 1 having a substantially rectangular parallelepiped shape and a cover section 2 having a substantially rectangular shape.

The box part 1 has an approximately rectangular parallelepiped box main body 11, with an open window 14 opened in the entire front part, and the other parts are all surrounded by board materials, and as shown in FIG. It is installed with the open window 14 facing outward, and the water supply control mechanism 3 is installed inside the box body 11.
is stored.

The cover part 2 has a substantially rectangular plate main body 21 which is detachably attached to the box part 1 and is adapted to open and close an opening window 14 of the box part 1.

The water supply control mechanism 3 is composed of a mechanical part such as a managed valve 31, and an electrical part including a controller 32, a sensor 33, etc.

A magnetic valve 31, which is a mechanical part of the water supply control mechanism 3, is supported and fixed on the box part 1 side. An inlet pipe 4 connected to a water supply source and an outlet pipe 5 connected to a toilet bowl 40 etc. are arranged inside the box body 11 of the box part 1. A magnetic valve 31 for controlling the opening and closing of the water supply is interposed and fixed therein.

Controller 3 which is the electric part of water supply control mechanism 3
2. The sensor 33 is supported and fixed on the cover portion 2 side. A reinforcing plate 6 is fixed to the cover part 2, a water flow plate 7 is fixed via the plate 6, a controller 32 is fixedly supported via the water flow plate 7, and a sensor 33 is fixedly supported via the reinforcing plate 6. There is. Reinforcement plate 6
This is to strengthen the support strength of the controller 32, sensor 33, etc., and to prevent the plate body 21 from being raised by generated nuggets when the water flow plate 7 is spot welded to the plate body 21. Also,
The water flow plate 7 projects upwardly from the cover part 2 to the inside of the box part 1, and its mounting end 71
is bent downward into an L-shape and fixed to the reinforcing plate 6, and its protruding end 72 is bent upward into an L-shape to which the controller 32 is fixed with screws 9. Note that the sensor 33 is located below this water plate 7. Note that the controller 32 controls the magnetic valve 31, and the sensor 33
The sensor detects the presence or absence of a user of the toilet bowl 40 using infrared rays, light, and sound waves, and sends an electrical signal to the controller 32.

According to the embodiment configured in this way, a gutter is constructed in which both walls are formed by the protruding end 72 of the water flow plate 7 and the plate main body 21 (or reinforcing plate 6) of the cover part 2,
Water that has entered the inside of the box part 1 from between the box part 1 and the cover part 2, etc. is guided by this gutter, flows in both directions inside the box body 11 of the box part 1, and falls directly below the water flow plate 7. This prevents the protruding end 72 of the water flow plate 7 from flowing into the box portion 1. As described above, the controller 32 and the sensor 33 are housed in the waterproof area where water is prevented from entering, so water does not splash on the electrical part of the water supply control mechanism 3, thereby preventing damage thereto. . Incidentally, the fact that the water flow plate 7 is inclined downward toward the cover portion 2 is effective in preventing water from flowing into the box portion 1 at the protruding end 72 of the water flow plate 7.

Further, in this embodiment, the following structure is provided for the attachment structure between the box part 1 and the cover part 2.

A mounting plate 12 is fixed to the open window 14 of the box part 1 with screws 13, and this mounting plate 12 has upright pieces 12a, 12b protruding forward on its four sides.
12c and 12d. Two small insertion holes 15 and 16 are formed near both ends of the upright piece 12a on the upper side of the mounting plate 12, and an elastic plate 1 made of a steel plate or the like is provided on the lower surface of the upright piece 12a.
7 and 18 are provided so as to close the insertion holes 15 and 16, respectively. Also, one screw hole 19 is provided approximately at the center of the upright piece 12c on the lower side of the mounting plate 12.
is provided.

The cover part 2 is formed by integrally providing upright pieces 22, 23, 24, 25 on the four sides of a substantially rectangular plate main body 21, which protrude rearward.
4 and 25 are the upright pieces 1 of the mounting plate 12 of the box part 1.
It is designed to fit on the outside of 2a, 12b, 12c, and 12d. Two protrusions 26 and 27 formed by fixing plate materials having cut and raised pieces are provided on the lower surface of the upright piece 22 on the upper side, corresponding to the insertion holes 15 and 16, and also on the lower side. A screw hole 28 is provided in the upright piece 24 coaxially with the screw hole 19.

In such a mounting structure, when the cover part 2 is attached to the box part 1, the protrusions 26,
27 into the insertion holes 15 and 16 of the box part 1, and the upright pieces 12a, 12b, 12 of the box part 1
Standing pieces 22, 2 of the cover part 2 are placed on the outside of c, 12d.
3, 24, and 25, align the screw hole 19 of the box part 1 with the screw hole 28 of the cover part 2, and tighten with the screw 8. Conversely, in order to attach and detach the cover part 2 from the box part 1, it is sufficient to loosen the screws 8 and release the above-mentioned insertion and fitting.

Therefore, the number of screw threading operations is reduced, the cover portion 2 can be easily attached and detached, and maintenance and inspection of the internal mechanism is facilitated.

In addition, when the cover part 2 is attached to the box part 1, the elastic plates 17 and 18 press the tips of the protrusions, so the elastic plates 17 and 18 contact the protrusions 16 and 27 and the insertion hole 15 with a small contact area. , 16, it is possible to durablely prevent the cover part 2 from rattling, and prevent the intrusion of water and dust and the application of loads, shocks, etc. to the internal mechanism. This can prevent damage to internal mechanisms.

It should be noted that providing the screw holes 19 and 28 on the lower sides of the box portion 1 and the cover portion 2 has the advantage that water can be prevented from entering than when they are provided on the upper sides or the like. In addition, the protrusions 26, 27 and the insertion hole 15,
16 is advantageous in that the cover part 2 can be prevented from wobbling more reliably than in the case of providing one each.

In addition to the illustrated embodiment, the water supply control mechanism 3
If the controller 32, which is the electrical part of the controller 32, is housed in the above-mentioned waterproof area, it may be fixed to the box body 1 side of the box part 1.
Further, the water flow plate 7 may be horizontal as long as it does not slope downward toward the inside of the box portion 1.

(Effects of the Invention) As described above, the water supply control box according to the present invention has the effect of achieving the purpose of completely waterproofing the electrical part of the water supply control mechanism. The effect of achieving this objective is to prevent damage to the electrical part of the water supply control mechanism and improve durability.

Furthermore, since it has a simple structure in which a water plate is attached, existing products can be easily modified.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view showing an embodiment of the water supply control box according to the present invention, and FIG. 2 is a sectional view of the water supply control box in an assembled state shown in FIG. DESCRIPTION OF SYMBOLS 1... Box part, 2... Cover part, 3... Water supply control mechanism, 32... Controller (electrical part),
33...Sensor (electrical part), 7...Water plate, 72
...protruding end.

Claims (1)

[Scope of utility model registration request] In a water supply control box, which consists of a box section that houses a water supply control mechanism and is fixedly installed with an open window in a part thereof, and a cover section that is attached to the open window of this box section, the inside of the box section can be seen from the cover section. A water supply control system characterized in that a water plate which protrudes into the water plate and whose protruding end is bent upward in an L-shape is fixed to a cover part, and an electric part of a water supply control mechanism is attached and housed at the protruding end and below of the water plate. Box.