JPH0617898Y2 - Indoor piping casing for toilet - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a toilet indoor piping casing having a ventilation duct.

(Problems to be solved by conventional techniques and devices) Recently, when performing interior equipment for building skeletons, the toilet part should avoid prefabricating structures as much as possible and switch to the prefab system to improve work efficiency and reduce costs. There is a tendency to try. In such a case, the utility system, urination, defecation pipe, and other required pipe systems are unitized and stored in a so-called pipe casing and installed at an appropriate position on the floor of the toilet. An intake port for ventilation is provided to forcibly discharge indoor odors.

Conventionally, this intake port is often provided only on the ceiling surface. In such a case, there is a problem in that the odor around the toilet bowl and the vicinity of the floor rise to give the user discomfort.

Therefore, an object of the present invention is to allow intake in the vicinity of the ceiling and intake from the vicinity of the floor, and further increase the intake amount in the vicinity of the floor to prevent odors accumulated in the vicinity of the floor from rising upward. To provide.

(Means for Solving Problems) In order to solve the above problems, the present invention includes a frame member,
In an indoor piping casing for a toilet containing an indoor piping system of a toilet, a ventilation duct is formed by using at least a part of the frame member as a hollow body, and a first intake port opening near the ceiling is formed in the duct and an opening near the floor. The second exhaust port and the exhaust port opening to the outside are provided, and the opening area of the second intake port is larger than that of the first intake port.

(Function) A pipe casing for accommodating an indoor pipe system of a toilet is provided, and a ventilation duct portion is formed by using at least a part of a frame member provided in the pipe casing as a hollow body, and the duct portion is provided with an exhaust port opening to the outside of the room. A first intake port opening near the ceiling to suck odors near the ceiling, and a second intake port opening near the floor to suck odors near the floor, and the opening of the second intake port The area is made larger than the opening area of the first intake port and the intake amount of the second intake port is made larger than the intake amount of the first intake port, so that the air flow in the toilet room goes from top to bottom. It prevents the rise of odor on the floor and around the toilet bowl, and therefore does not cause discomfort to the user of the toilet bowl.

Embodiment An embodiment of the present invention will be described below with reference to the accompanying drawings.

First, referring to FIG. 1, an outline of the toilet to which the indoor piping casing according to the present invention is applied will be described.

FIG. 1 is a cross-sectional view of a required part of a flight.

In the figure, 1 indicates the whole toilet. Toilet 1 is the wall W of the building frame
It is constructed as a so-called pre-fab type system toilet by constructing a finishing wall W by building appropriate types of wall panels along b.

The space S for urine and urine is a porcelain tile finishing floor, and three toilet bowls T1 to T3 (hereinafter collectively referred to as T) are attached to the left side wall along the side wall on the left side of the room. Each of the toilet bowls T1 and T1 is equipped with a casing 2 and an inner sink pipe casing 3 having a cleaning sink SK on the front surface.
Booths B1, B2 between T2, T3 and the sink SK for cleaning
The space is partitioned by B3, and doors D1 to D4 that open inward or outward are installed between the front part of the booth and the left and right side walls W to define personal spaces S1 to S4.
4, a cleaning tool holder S4 'is attached. Further, along the right side wall W of the space S, four urinals t1 to t4 (hereinafter collectively referred to as t) on a tap of concrete ground.
The indoor piping casing 4 for a urinal having the front is installed, and a partition B7 for blindfold is provided next to the urinal t4.

FIG. 2 is a sectional view taken along the line II-II in FIG. 1, in which Wb indicates a wall of the body and t indicates a urinal. A pipe casing 4 and a finishing wall W are arranged between the rear surface of the urinal t and the wall Wb of the skeleton. The pipe casing 4 is composed of a pipe frame 40 forming a structural frame and a side wall fixed to the front face thereof. It consists of a certain front panel WR and a counter C that is attached to the upper surface of the piping frame 40. The pipe casing 4 is fixed to the floor Fb on the skeleton side by the anchor bolts 71 after a predetermined level is obtained by the adjusting bolts 72, 72 having a height screwed onto the bottom.

An indoor piping system 4A for the urinal t is housed in the piping casing 4. This indoor piping system 4A is a sewage pipe 4D that discharges sewage such as manure and drainage, and this sewage pipe 4D.
Ventilation pipe 4C that supplies atmospheric pressure to the
It also has a ventilation duct 41 including a water supply pipe 4B for supplying flush water to the urinal t and at least a part of the piping frame 40 being hollow. This ventilation duct 41 has a longitudinal direction perpendicular to the paper surface of FIG. 2, and has a main duct 42 at one end having an exhaust port 43 for forcibly deodorizing through an unillustrated odor-eliminating fan, and a downward direction from the main duct 42. It is composed of a sub-duct 44 that branches and an upper intake duct 48 that extends upward from the main duct 42. The upper intake duct 48 has an upper intake port 49 that is a first intake port that opens near the ceiling of the toilet room, and a second intake port that opens below the floor surface F of the toilet room at the lower part of the sub-duct 44. Lower intake port 4 which is
Have six.

The opening area S2 of the lower intake port 46 is formed larger than the opening area S1 of the upper intake port 49 so that the intake amount of the lower intake port 46 is larger than that of the upper intake port 49.
The odor near the ceiling is taken in by the lower intake port 46, and the odor near the floor is taken in by the lower intake port 46, and the air flow in the room of the toilet is directed from top to bottom, thereby preventing the rise of odor around the floor and the toilet bowl. Therefore, it does not cause discomfort to the user of the toilet bowl.

The area ratio of the opening areas S1 and S2 is 1: 2 to 1:10.
Is preferable, and the optimum area ratio is 1: 4. If the area of the lower intake port 46 is smaller than 1: 2, the air flow from the top to the bottom is unlikely to occur, and if it is larger than 1:10, the odor near the ceiling falls.

Referring now to FIGS. 3-5, the pipe casing 4
The specific configuration of the urinal piping frame 40 will be described.

FIG. 3 is a plan view of a urinal piping frame, FIG. 4 is a front view of the same, and FIG. 5 is a sectional view taken along line VV in FIG.

The urinal piping frame 40 includes an upper horizontal frame 420 in the upper left / right direction, a pair of front / rear lower horizontal frames 421, 422 in the lower left / right direction parallel to the upper horizontal frame, and between the front / rear lower horizontal frames 421, 422. , Which have an L-shaped cross section, and upper and lower horizontal frames 420, 421, 4 with lower ends attached to the cross frames 45.
Vertical frames 441, 442, 443, 4 connecting 22
44,445 and the vertical frames 441,442,44
Urinal t that is installed in a pair vertically between 3,444 and 445
1 ... Mounting plates 50 and 51 for mounting.
In this embodiment, the mounting plates 50, 51 at the left end are fixed via the horizontal rails 446 and the vertical rails 447 ... And have a maintenance opening M ₀ between the upper and lower rails 446, 446.

The upper horizontal frame 420 is hollow and constitutes the main duct 42. The upper horizontal frame 420 has an exhaust port 43 communicating with the outside via an exhaust fan (not shown) or the like on the left end side, and an opening 42a on the upper surface. An upper intake duct 48 having an upper intake port 49 opening near the ceiling is connected to the opening 42a as shown in FIG. In addition, the vertical frame 442,
The sub-ducts 44a, 44b, 44c, and 44d are hollow and communicate with the hollow portion of the main duct 42 to branch from the main duct 42.
On the lower end side of d, as shown in FIG.
Each has a lower intake port 452 ...

The odor accumulated in the vicinity of the ceiling of the toilet room 1 having the above structure and taken in from the upper intake duct 48 and the sub duct 44
The odor that stagnates in the vicinity of the floor F taken from the lower intake ports 452 of a ...
Exhaust from 3. Since the inclined surfaces 44S are formed on the inner periphery of the upper ends of the sub-ducts 44a, and the inclined surface 42S is formed near the exhaust port 43 of the main duct 42, the flow of odor is smooth, and therefore the exhaust efficiency is improved. It can be done.

As is clear from the above, at least a part of the piping frame constituting the frame of the piping casing is made hollow to form a duct portion provided with an intake port and an exhaust port, whereby the duct portion is a structure of the piping casing. Since it does not require a space exclusively occupied by the duct portion, it is advantageous in terms of space. Furthermore, since at least a part of the frame member is hollow, the degree of freedom of arrangement of the intake port is improved, and the ceiling side and You can inhale from both the floor side.

Furthermore, since the opening area of the lower intake port is made larger than the opening area of the upper intake port, the air flow in the room of the toilet can be directed from top to bottom, which allows the user to inhale the odor on the floor and around the toilet. Absent.

(Effects of the Invention) As is apparent from the above description, according to the present invention, the first intake port for intake of odor near the ceiling and the second intake port for intake of odor near the floor are provided, and the second Since the opening area of the intake port is made larger than the opening area of the first intake port, the air flow in the toilet room can be made to go from top to bottom, thereby preventing the rise of odors on the floor and around the toilet bowl, and thus of the toilet bowl. No discomfort to the user.

[Brief description of drawings]

Fig. 1 is a cross-sectional view of the required part of the flight, and Fig. 2 is II-II of Fig. 1.
FIG. 3 is a plan view of the urinal piping frame, FIG. 4 is a front view of the same, and FIG. 5 is a sectional view taken along line VV in FIG. In the drawings, 2, 3 and 4 are pipe casings, 40 is a frame member, 41 and 45 are ventilation duct parts, 43 is an exhaust port, 4
Reference numeral 6 is an intake port.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Hironobu Uchida 2-8-1, Motomura, Chigasaki-shi, Kanagawa Tochi Kikai Co., Ltd. Chigasaki Plant (72) Hiroaki Shinada 8-21, Ginza, Chuo-ku, Tokyo No. Stock Company Takenaka Corporation Tokyo Main Store (72) Inventor Shinji Sato 8-21-1, Ginza, Chuo-ku, Tokyo Stock Company Takenaka Corporation Tokyo Main Store (56) References Showa Sho 49-72041 (JP , U) Actual development Sho 63-34252 (JP, U)

Claims (2)

[Scope of utility model registration request] 1. A toilet indoor piping casing comprising a frame member for accommodating an indoor piping system of a toilet, wherein at least a part of the frame member is a hollow body to form a ventilation duct portion, and the duct portion is opened near the ceiling. A first intake port, a second intake port that opens near the floor, and an exhaust port that opens outside the room.
An indoor piping casing for a toilet, which has a large opening area for the intake port. 2. The indoor pipe casing for a toilet according to claim 1, wherein the area ratio between the first intake port and the second intake port is 1: 2 to 1:10. .