JP2591789B2 - Toilet deodorizing structure - Google Patents

Description

The present invention relates to a deodorizing structure for a toilet.

(B) Conventional technology Conventionally, as described in Japanese Patent Application Laid-Open No. 63-83333, an exhaust device for a toilet is provided on a wall surface of a toilet which forms one side of a toilet and has a nose of a user. In some cases, the exhaust port of the exhaust device is opened at a lower position.

In addition, the above publication discloses that as an effect of this configuration, an unpleasant odor when a user defecates can be collected promptly and at a position close to the defecation position. No odor is felt, and the odor is prevented from spreading throughout the toilet.

(C) Problems to be Solved by the Invention However, the above-described toilet exhaust device still has the following problems to be solved.

That is, since only one exhaust port of the exhaust device is provided on the wall surface of the toilet, in reality, it is only possible to collect odors by so-called "points", and when the toilet user defecates, It was difficult to collect all the odors emanating from all directions.

In addition, since only one exhaust port is provided on the wall of the toilet, it is necessary to increase the diameter of the exhaust port in order to improve the collection efficiency, and this impairs the beauty of the toilet. Had also become.

It is an object of the present invention to provide a toilet deodorizing structure that can solve the above-mentioned problems.

(D) Means for Solving the Problems The present invention provides a hollow handrail pipe near a toilet bowl of an odor source, a large number of deodorizing holes in the hollow pipe, and the hollow pipe. The present invention relates to a deodorizing structure for a toilet, which is connected to an exhaust device.

(E) Action According to the present invention, at the time of defecation, the odor generated from the toilet which is an odor-producing stool tends to diffuse around the toilet,
Since a hollow handrail pipe having a large number of deodorizing holes is arranged near the toilet, this odor is effectively trapped in the hollow handrail pipe through the deodorizing holes, and then to the outside of the toilet through the exhaust device. Will be discharged.

(F) Effect In the present invention, a hollow handrail pipe is disposed near the toilet bowl of the odor source, and a number of deodorizing holes are formed in the hollow pipe.
The hollow pipe is connected to the exhaust device.

Therefore, a large number of deodorizing holes can be opened at a relatively low position in the room of the toilet and along the toilet, and most of the odor generated from the toilet, which is an odor source at the time of defecation, is large. Through the deodorizing hole of "line" collection or "surface"
By collection, it can be surely sucked into the hollow handrail pipe,
Since it can be discharged to the outside, the user can be released from discomfort due to odor.

Further, since it is only necessary to provide a large number of small-diameter deodorizing holes in the handrail pipe, the aesthetic appearance of the toilet is not impaired and the design is excellent.

(G) Embodiment An embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 shows a first embodiment of a handrail pipe 1 having a deodorizing structure according to the present invention. , Toilet 2
One end is fixed to the inner wall surface 3 at an intermediate height of the inner wall surface 3 of the room, that is, the face of the user in the state of using the toilet and the upper surface of the toilet at an intermediate height. A substantially U-shaped handrail pipe 1 is formed by providing two substantially right-angled bent portions 5 having rounded portions, and the other end is again formed on the inner wall surface 3 of the same room.
It is fixed to.

A large number of deodorizing holes 6 are formed in the peripheral wall of the handrail pipe 1, and the inside and the outside of the handrail pipe 1 are communicated through the deodorizing holes 6.

The hollow portion 9 of the handrail pipe 1 communicates with the exhaust device 7. The exhaust device 7 expands one end of the handrail pipe 1 and connects the motor to the inside of the enlarged diameter portion 8. A built-in axial-flow type exhaust fan is built in, and the inside of the handrail pipe 1 is depressurized by the operation of the exhaust device 7 so that the excrement in the toilet bowl, which is a source of odor, and the height between the face of the user and the toilet. The air in the toilet room is sucked through the deodorizing hole 6 located at the side, and is discharged to the outside of the room.

FIG. 2 shows a second embodiment of a handrail pipe 11 having a deodorizing structure according to the present invention, in which both ends of a substantially U-shaped upper handrail pipe 11a in side view are fixed to an inner wall surface 31 of the toilet. The upper end of the vertical handrail pipe 11c is fixed to the lower surface of the substantially U-shaped folded portion 11b of the pipe 11a, and the lower end of the vertical handrail pipe 11c is used as a toilet.
The vertical handrail pipe 11c is provided with a large number of deodorizing holes 61, and the lower end of the vertical handrail pipe 11c is enlarged in diameter to incorporate an exhaust device 71 inside. This is to suck the air at the lowermost part of the toilet room where the odor near the floor at a lower position than that described above is dense and discharge it to the outside.

In particular, a deodorizing hole 61 is also provided at the enlarged diameter portion 81 at the lower end of the vertical handrail pipe 11c.
Is provided so that the odor in the boundary layer which tends to stay on the floor surface 21a of the toilet 21 is sucked and discharged.

In addition, the above boundary layer is attached to the floor surface 21a in a state in which it is difficult to peel off at a normal indoor air flow rate, and is separated from the floor surface 21a due to movement of a user after stool, etc. It diffuses odors.

FIG. 3 shows a third embodiment of the handrail pipe 12 having a deodorizing structure according to the present invention, in which one end 12a of the handrail pipe 12 is fixed to the inner wall surface 32 of the toilet 22 and one end of the handrail pipe 12 is connected to one end. The handrail pipe 12 is refracted at substantially a right angle in the horizontal direction, and then refracted at a substantially right angle in the vertical downward direction, thereby forming a three-dimensional handrail pipe 12. 62
Which have the functions of the first and second embodiments.

Note that, in this embodiment, the exhaust device is provided outside the toilet, and the inside of the handrail pipe 12 and the exhaust device are communicated via the communication pipe 12d.

FIG. 4 is a cross-sectional explanatory view showing an attachment portion of the handrail pipe 13 to the toilet wall W of the toilet. One end of the pipe 13 is fixed to the surface of the wall W, and the other end is inserted through the wall W. A suction fan F provided outside the toilet room is connected to the end of the suction fan F, and a large number of deodorizing holes 63 are formed.

FIG. 5 shows an example of installing handrail pipes in the toilet room. In FIG. 5, D and E show the fourth and fifth embodiments, respectively, and the handrail pipes 14 and 15 have many deodorizing holes 64 and In the handrail pipe 14 of the fourth embodiment, an enlarged diameter portion 84 is provided at the lower end of the pipe 14 to incorporate an exhaust device.

In the fifth embodiment, a large diameter portion 85 is provided in the middle of the handrail pipe 15 to incorporate an exhaust device.

 In addition, G in a figure shows a flush toilet.

In this embodiment, the exhaust device is constantly operated,
For example, an odor sensor, an infrared sensor, or a capacitance change type sensor can be used to move only when necessary. Further, an off-delay timer can be provided.

The embodiment of the present invention is configured as described above, and a large number of deodorizing holes are drilled in a handrail pipe disposed at a relatively low position in the toilet room, and the hollow portion of the pipe is evacuated. In the vicinity of the toilet of the odor source, at least at a low position in the room of the toilet, that is, from a position at a height between the source of the odor and the face of the user who feels the odor, the odor is concentrated. Contaminated air can be sucked into the handrail pipes, and odors in the boundary layer stagnant on the floor can be exhausted, so that odors can be diffused near the user's face. Can be discharged outside the toilet without
This has the effect of preventing the odor from drifting near the user's face and causing the user to feel uncomfortable.

Also, the appearance of the handrail pipe is not mechanical like a ventilation fan, and can be designed in any way, so that it can match the interior design of either Japanese-style or Western-style toilets.

Therefore, discomfort due to odor and visual discomfort can be prevented from being felt, and a toilet environment for providing comfortable toilet can be created.

In addition, the deodorizing structure of the toilet of the present invention is not limited to the toilets of houses and public facilities, such as Japanese style or Western style, but can be applied to toilets of vehicles, ships, aircrafts and the like.

In particular, the one shown in FIG. 5 is installed in a toilet used by a physically handicapped person, an elderly person, and the like, and is used for stability of the body, assistance for leg strength, and the like. People can be given a comfortable stool.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a configuration of a first embodiment of a deodorizing structure according to the present invention, FIG. 2 is a perspective view showing a configuration of the second embodiment,
FIG. 3 is a perspective view showing the structure of the third embodiment.
The figure is a cross-sectional explanatory view showing an attachment part of the handrail pipe to the wall, and FIG. 5 is a perspective explanatory view showing the attached state in the toilet room of the fourth embodiment and the fifth embodiment. In the figure, (1): Handrail pipe (2): Toilet (6): Deodorizing hole (7): Exhaust device (9): Hollow part

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Masatoshi Yata 2-1-1 Nakajima, Kokurakita-ku, Kitakyushu-shi, Fukuoka Tochiki Kiki Co., Ltd. (72) Inventor Tokuyuki Matsui 2 Nakajima, Kokurakita-ku, Kitakyushu-shi, Fukuoka No. 1-1 Toto Kiki Co., Ltd. (72) Inventor Yuichi Yoshinaga 2-6-4 Toranomon, Minato-ku, Tokyo Tochi Kiki Co., Ltd. (56) References JP-A-62-144627 (JP, A) ) Hikaru 1-116351 (JP, U)

Claims (1)

(57) [Claims] 1. A hollow handrail pipe (1) is provided near a toilet bowl of an odor source, and a number of deodorizing holes (6) are formed in the hollow pipe (1). A deodorizing structure for a toilet, wherein 1) is connected to an exhaust device (7).