JPH09137491A - Deodorizing device of toilet stool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To smoothly and securely actuate a deodorizing device, by fixing the deodorizing device body to an overflow pipe in the state that the relative height against the overflow pipe is specified. SOLUTION: A downward cylindrical fitting part 50 is provided at the casing 40 of a deodorizing device body 38 and the cylindrical fitting part 50 is fitted to the upper end of an overflow pipe 30 and further, a projected piece 54 turning inward is attached to the cylindrical fitting part 50 and the upper endface of the overflow pipe 30 is arranged to contact the underface of the projected piece 54. And the device body 38 is directly supported by the overflow pipe 30 in the state that the height of device against the overflow pipe is specified. The device body 38 is always positioned in a certain relative position against the level of the retained water in a flushing water tank even when the dimensional deviation is brought in the flushing water tank and the deodorizing device can be smoothly and securely actuated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a deodorizing device for a toilet bowl, and more particularly to a deodorizing device in which an internal passage of an overflow pipe disposed inside a flush water tank is used as an exhaust passage.

[0002]

2. Description of the Related Art As a deodorizing device for a toilet bowl, an internal passage of an overflow pipe disposed inside a flush water tank for discharging cleaning water to the toilet body is used as a part of an exhaust passage for deodorizing. Form deodorizers are known.

FIG. 7 shows a conventional example of this type of deodorizing device. In FIG. 1A, 200 is a toilet bowl, 202 is a toilet body, and 204 is a wash water tank for discharging and supplying cleaning water to the toilet body 202.

Reference numeral 206 denotes an overflow pipe arranged inside the wash water tank 204, and an internal passage forms a part of an exhaust passage for deodorizing in the deodorizing device 208.

The internal passage of the overflow pipe 206 passes through the passage 210 on the side of the toilet body 202 and the toilet body 2
02 suction port 212, that is, the suction port 21 opening into the toilet bowl
2 is contacted.

Reference numeral 214 denotes a main body of the deodorizing device 208 disposed inside the wash water tank 204. The main body of the deodorizing device 214 is to rotate the casing 218, the deodorizing fan 216 housed therein, and the deodorizing fan 216. Including a motor.

The casing 218 has a cylindrical portion 22 facing downward.
The tubular portion 220 covers the upper end portion of the overflow pipe 206 downward and forms a predetermined gap with the overflow pipe 206.

The casing 218 is a washing water tank 204.
Of the exhaust pipe 222, and the lower end of the exhaust pipe 222 is connected to a drain socket 226 that connects the drain outlet 224 of the toilet body 202 and the drain pipe under the floor. The exhaust gas introduced through the exhaust pipe 222 is sent to the drain pipe.

In the case of the deodorizing device 208 of the present embodiment, the air in the toilet bowl is sucked through the suction port 212 based on the rotation of the deodorizing fan 216, and then flows through the passage 210 on the toilet body 202 side and the internal passage of the overflow pipe 206. Then, the gas is exhausted through the exhaust pipe 222 and fed into the drain pipe, thereby performing the deodorizing action.

FIG. 7B specifically shows a mounting structure of the deodorizing device main body 214 in the conventional deodorizing device 208. As shown in the figure, in the conventional case, the tank wall 22
8 is provided with a penetrating mounting hole 230, and an L-shaped fixing plate 232 is fixed in the mounting hole 230 by a bolt 234 and a nut 236.
The deodorizing device main body 214 is fixed to 32, and thus the deodorizing device main body 214 is supported so as not to be in contact with the overflow pipe 206 and floating in the air.

[0011]

By the way, the washing water tank 204 is conventionally made of pottery, and the washing water tank 204 made of pottery is greatly shrunk in the firing process so that the mounting hole 230 is It is unavoidable that the positions vary, and the mounting position of the deodorizing device main body 214 varies accordingly, and in some cases the mechanical part of the deodorizing device main body 214 is immersed in the stored water inside the wash water tank 204, There was a possibility that the deodorizing effect could not be performed well.

[0012]

The invention of the present application has been made to solve such a problem. Thus, the invention of the present application is arranged inside the flush water tank for discharging the flush water to the toilet body, and the stored water in the flush water tank is overflowed into the pipe to keep the level of the stored water constant. An exhaust passage including an internal passage of an overflow pipe suppressed as a part of a passage for deodorizing, and a deodorizing device main body provided with a deodorizing fan inside a casing, the deodorizing device main body being inside the wash water tank. In the deodorizing device of the toilet, which is arranged to communicate with the upper end of the overflow pipe and is configured to perform exhaust for deodorization by rotation of the deodorizing fan, the deodorizing device main body is connected to the overflow pipe. Moreover, the relative height position with respect to the overflow pipe is fixed in a specified state, and the overflow pipe directly supports the main body of the deodorizing device. The characters (claim 1).

According to another invention of the present application, in claim 1, a downward cylindrical fitting portion is provided in the casing, the cylindrical fitting portion is fitted to an upper end portion of the overflow pipe, and An inward projecting piece is formed in the cylindrical fitting portion, and the upper end surface of the overflow pipe is brought into contact with the lower surface of the projecting piece, thereby defining the height position of the deodorizing device main body with respect to the overflow pipe. In this state, the deodorizing apparatus main body is supported by the overflow pipe (claim 2).

According to a still further invention of the present application, in claim 2, the casing is provided with a double cylindrical structure portion to form the inner cylindrical portion as the cylindrical fitting portion, and the outer cylindrical portion and the inner cylindrical portion. The tubular fitting portion of the cleaning water tank is connected to the tubular fitting portion by a connecting arm arranged at a distance in the circumferential direction, and between the inner tubular fitting portion and the outer tubular portion. An overflow water channel for stored water is formed (claim 3).

Still another invention of the present application is claim 1, 2, 3.
In any one of the above, the upper end portion of the overflow pipe is formed to be a larger diameter portion than the lower portion, and the tubular fitting portion of the casing of the deodorizing device main body extends downward along the outer surface of the overflow pipe and the lower end. An elastic hooking claw having an inwardly facing claw is formed in the portion, and the elastic hooking claw is elastically hooked to the stepped portion at the lower end of the large diameter portion to prevent the deodorizing device main body from coming off. It is characterized (claim 4).

Still another invention of the present application is claim 1, 2, 2.
In any one of 3 and 4, a deodorizing catalyst is disposed on the exhaust passage of the casing in the deodorizing device main body, deodorizing treatment is performed by the deodorizing catalyst, and the exhaust is discharged from the outlet formed in the casing into the cleaning water tank. It is characterized in that it is designed to be directly discharged to (Claim 5).

Still another invention of the present application is Claims 1, 2,
In any one of 3, 4, and 5, a locking arm is extended laterally from the casing of the deodorizing device main body, and a tip portion of the arm is locked to a peripheral edge portion of an upper opening of the wash water tank. Rotation of the main body of the deodorizing device is prevented by the action of the locking arm (claim 6).

According to a sixth aspect of the present invention, in the sixth aspect, a locking portion having a U-shaped cross section having a downward fitting groove is formed at a tip end portion of the locking arm, and the locking portion is formed as described above. It is characterized in that the cleaning water tank is engaged with the peripheral edge of the upper end opening of the cleaning water tank in a fitting manner (claim 7).

[0019]

As described above, according to the first aspect of the invention, the deodorizing device main body including the casing and the deodorizing fan housed inside the casing is stopped from being attached to the tank wall of the wash water tank, and the overflow pipe is used instead. And the relative height position with respect to the overflow pipe is fixed, and the deodorizing apparatus main body is directly supported by the overflow pipe. Even if there is a variation, the deodorizing device main body can be attached / arranged at a constant relation position with respect to the water level of the stored water inside the tank, so that the deodorizing device can be operated reliably and smoothly. Further, according to the present invention, it is possible to obtain the advantage that the deodorizing device main body can be arranged inside the wash water tank without providing a mounting hole in the tank wall in advance.

According to a second aspect of the present invention, the casing of the deodorizing apparatus main body is provided with a downward cylindrical fitting portion which is fitted into the upper end portion of the overflow pipe, and the cylindrical fitting portion is projected inward. Form a piece, and for the lower surface of this protruding piece,
According to the present invention, the deodorizing device main body can be attached to the overflow pipe with a simple structure, and the attaching work is easy, and the deodorizing device main body is easy. Can be positioned at a predetermined relative height position with respect to the overflow tube.

This overflow pipe has a function of restricting the water level of the stored water inside the wash water tank to below a certain level. Therefore, according to the present invention, the relative height position of the deodorizing device main body to the overflow pipe is preset. With proper selection, it is possible to reliably prevent the deodorizing device main body from being immersed in the stored water inside the wash water tank and being unable to perform the deodorizing effect satisfactorily.

According to a third aspect of the present invention, the casing is provided with a double tubular structure portion so that the inner tubular portion serves as the tubular fitting portion, and the outer tubular portion and the inner tubular fitting portion. Are connected at a predetermined position in the circumferential direction by a connecting arm, and an overflow water passage for stored water is formed between the inner and outer cylindrical portions.According to the present invention, the casing of the deodorizing device main body is connected to the overflow pipe. Even when it is attached to the upper end portion in a fitted state, overflow water can be satisfactorily guided into the overflow pipe.

According to a fourth aspect of the present invention, the upper end portion of the overflow pipe is formed to have a larger diameter than the lower portion, and a downward elastic hooking claw is formed on the main body of the deodorizing device. According to the present invention, it is possible to prevent the deodorizing device main body from coming off from the overflow pipe based on the locking action of the elastic hooking claw.

According to a fifth aspect of the present invention, a deodorizing catalyst is disposed on the exhaust passage of the casing of the deodorizing device body, the deodorizing catalyst is used for deodorizing treatment, and the exhaust gas is discharged directly into the washing water tank. According to the present invention,
It is possible to eliminate the need to provide an exhaust pipe outside the wash water tank as in the conventional deodorizing device shown in FIG.

Therefore, according to the present invention, the installation work of the deodorizing device can be extremely simplified, and the problem that the cleanability is impaired by the existence of the exhaust pipe outside the wash water tank can be solved.

In addition, according to the present invention, since a dedicated washing water tank and an exhaust pipe are not required, the deodorizing device can be easily incorporated as it is into the conventional existing washing water tank, and the conventional toilet bowl can be used. The advantage of being able to have a deodorizing function is obtained.

Next, the invention according to claim 6 is characterized in that a locking arm is extended laterally from the casing of the deodorizing device main body,
According to the present invention, it is possible to prevent the deodorizing device main body from rotating around the overflow pipe and being displaced. it can.

According to a seventh aspect of the present invention, an engaging portion having a U-shaped cross section having a downward fitting groove is formed at the tip of the engaging arm, and the engaging portion is provided at the peripheral edge of the upper end opening of the wash water tank. According to the present invention, according to the present invention,
The rotation of the deodorizing device main body can be prevented extremely simply by fitting the fitting groove of the locking portion to the peripheral edge portion of the upper end opening of the wash water tank.

[0029]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the drawings. In FIG. 1, 10 is a toilet bowl and 12 is a toilet bowl 1.
4, a toilet bowl main body including a toilet seat 16 and a toilet lid 18, and has a trap portion 22 at the bottom of the toilet bowl 14 that connects to a drainage port 20. Reference numeral 24 is a drain socket for connecting the drain port 20 and the drain pipe under the floor.

Reference numeral 26 denotes a wash water tank provided at the rear of the toilet body 12 for discharging the stored water therein toward the toilet body 12 and supplying the water, and a float valve 28 is provided at the bottom of the flush water tank. When the valve 28 is lifted, the stored water inside the toilet body 12, specifically, the toilet bowl 1
4, and the toilet bowl 14 is washed.

An overflow pipe 30 is provided inside the wash water tank 26, and the stored water in the wash water tank 26 overflows into the overflow pipe 30 and is led to the toilet bowl 14. ing.

Reference numeral 32 denotes a deodorizing device.
2 uses the internal passage of the overflow pipe 30 as a part of the exhaust passage, and connects the internal passage to the suction port 36 opening on the inner surface of the toilet bowl 14 through the passage 34 on the toilet body 12 side, Air is taken in through these inlets 36, passages 34
And the toilet bowl 14 through the internal passage of the overflow pipe 30.
It is designed to be sucked out of and deodorized.

Reference numeral 38 denotes a deodorizing apparatus main body disposed inside the wash water tank 26, and includes a casing 40 having a predetermined shape as shown in FIGS. Casing 4
As shown in FIG. 3, 0 is a fan housing portion 42 and a vertical tubular portion (outer tubular portion) 44 extending downward from the fan housing portion 42.
And a horizontal tubular portion 46 extending in the horizontal direction, and a deodorizing fan 48 and a motor (not shown) for rotationally driving the deodorizing fan 48 are housed inside the fan housing portion 42.

Inside the vertical tubular portion 44, as shown in FIGS. 2, 4 and 5, an inner tubular portion (cylindrical fitting portion 50) having a smaller diameter than this is formed. The vertical tubular portion 44 and the tubular fitting portion 50 inside thereof form a double tubular structure portion.

The vertical cylindrical portion 44 and the cylindrical fitting portion 50 are connected to each other by plate-like connecting arms 52 arranged at three places spaced 120 ° in the circumferential direction,
An overflow water channel for stored water is secured between the outer tubular portion 44 and the inner tubular fitting portion 50.

The overflow pipe 30 has a large-diameter portion 33 whose upper end portion has a larger diameter than that of the lower portion, and the tubular fitting portion 50 is fitted to the large-diameter portion 33 (external fitting). It is supposed to be large.

At the upper end of the tubular fitting portion 50, as clearly shown in FIG. 4, projecting pieces 54 projecting inward are integrally formed at three places spaced by 120 ° in the circumferential direction. The casing 40 is made of resin in this example, and the upper end surface of the overflow pipe 30 is brought into contact with the lower surface of the protruding piece 54 (FIG. 2). It is directly supported.

On the other hand, as shown in FIGS. 2 and 5, from the lower end of the cylindrical fitting portion 50, the elastic hooking claw 56 is arranged in the circumferential direction by 12 degrees.
Overflow pipes 30 at 3 locations separated by 0 °
Extends downwards along the outer surface of the.

These elastic hooking claws 56 have inwardly facing claws 58 at their lower ends, and these claws 58 are elastically hooked to the step 60 at the lower end of the large diameter portion 33 of the overflow pipe 30. It is supposed to be stopped.

The elastic hooking claws 56 are formed by the tubular fitting portion 5
When 0 is fitted to the large diameter portion 33 of the overflow pipe 30, the step portion 60 is elastically locked at the same time.

The horizontal tubular portion 46 of the casing 40 includes:
A deodorizing cartridge 62, in which a deodorizing catalyst is loaded inside, is fitted in from the opening, and the exhaust discharged from the inside of the horizontal cylindrical portion 46 by the deodorizing fan 48 is discharged to the outside through the deodorizing cartridge 62. At that time, the deodorizing cartridge 62 is adapted to be deodorized.

That is, the exhaust gas deodorized by the deodorizing cartridge 62 is directly discharged from the outlet 68 into the washing water tank 26. As shown in FIG. 2, the deodorizing cartridge 62 is provided with an elastic engaging claw 64, and the elastic engaging claw 64 is different from the engaging recess 66 formed in the horizontal tubular portion 46. The deodorizing cartridge 62 is elastically engaged so that the deodorizing cartridge 62 is prevented from coming off.

As described above, in the present embodiment, the deodorizing device main body 38 is not attached to the tank wall of the wash water tank 26, but instead the overflow pipe 30 and the relative height position to the overflow pipe 30 are defined. It is fixed so that the deodorizing device main body 38 is directly supported by the overflow pipe 30. Therefore, according to this example,
Even if the dimensions of the wash water tank 26 vary,
The deodorizing device main body 38 can be always positioned at a fixed relation to the water level of the stored water inside the wash water tank 26, and the deodorizing device 32 can be reliably and smoothly operated. Further, according to this example, it is possible to eliminate the need to previously provide a mounting hole in the tank wall.

In the present embodiment, the casing 40 of the deodorizing device main body 38 is fitted to the upper end of the overflow pipe 30 in a fitted state, but the casing 40 and the inner tubular fitting portion 50 serving as the fitting portion are formed. A water channel for overflow is secured between the outer vertical tubular portion 44 and the upper end surface of the inner tubular fitting portion 50 has an open shape. The overflow function is secured.

In the case of the deodorizing device main body 38 of the present embodiment, the deodorizing device main body 38 can be easily attached only by fitting the tubular fitting portion 50 of the casing 40 into the overflow pipe 30 from above. At that time, based on the locking action of the elastic hooking claw 56, the overflow pipe 3
It is possible to reliably prevent the deodorizing device main body 38 from coming off from 0.

In addition, in the deodorizing device 32 of the present example, a deodorizing cartridge 62 loaded with a deodorizing catalyst is arranged on the exhaust passage of the casing 40, and the exhaust based on the rotation of the deodorizing fan 48 is discharged by the deodorizing catalyst. Since it is deodorized and is directly discharged to the inside of the wash water tank 26, it is not necessary to provide an exhaust pipe outside the wash water tank 26 as in the conventional deodorizing device. According to this, the installation and construction of the deodorizing device can be extremely simplified, and the problem that the cleanability is impaired due to the presence of the exhaust pipe outside the wash water tank 26 can be solved.

Further, in this embodiment, since a dedicated wash water tank and exhaust pipe are not required, the deodorizing device 32 can be easily incorporated into the conventional general existing wash water tank, and the conventional toilet bowl can be used. Can have a deodorizing function.

Next, FIG. 6 shows another embodiment of the present invention. In this embodiment, the casing 40 to the locking arm 68 are shown.
Is provided in a lateral direction, and a locking portion 72 having a U-shaped cross section having a fitting groove 70 is provided at the tip end thereof, and the locking portion 72 is fitted into the peripheral edge portion of the upper end opening of the wash water tank 26. The deodorizing device main body 38 is used in this example.
Can be reliably prevented from rotating around the overflow pipe 30 based on the actions of the locking arms 68 and the locking portions 72.

The embodiment of the present invention has been described in detail above, but this is merely an example. For example, in the present invention, an exhaust pipe disposed outside the wash water tank 26 is connected to the deodorizing device main body 38 attached to the overflow pipe 30, and exhaust from the toilet bowl 14 is carried out through the exhaust pipe under the floor. It is also possible to lead it to the drain pipe of. In addition, the present invention can be configured in variously modified forms without departing from the gist thereof.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a deodorizing apparatus according to an embodiment of the present invention together with a toilet bowl.

FIG. 2 is a diagram in which a part of the device body of the deodorizing device in FIG. 1 is cut away.

FIG. 3 is a perspective view showing the deodorizing device main body of FIGS. 1 and 2 together with a wash water tank.

FIG. 4 is a perspective view of the vertical cylindrical portion of the deodorizing apparatus main body in FIGS. 1 to 3 and its peripheral portion as seen from above in a cutaway state.

5 is a perspective view showing a part of FIG. 4 from a lower side in a partially cutaway state.

FIG. 6 is a perspective view showing a device body of a deodorizing device according to another embodiment of the present invention together with a wash water tank.

FIG. 7 is an explanatory diagram for explaining a conventional deodorizing device and its problems.

[Explanation of symbols]

 12 Toilet body 26 Wash water tank 30 Overflow pipe 33 Large diameter part 38 Deodorizing device body 40 Casing 44 Vertical cylindrical part 48 Deodorizing fan 50 Cylindrical fitting part 52 Connecting arm 54 Projecting piece 56 Elastic catch claw 60 Step part 62 Deodorizing cartridge 68 Locking Arm 70 Fitting Groove 72 Locking Part

Claims (7)

[Claims] 1. A flush water tank which discharges flush water to the toilet body, and the stored water in the flush water tank overflows into a pipe to keep the water level of the stored water below a certain level. An exhaust passage including an in-pipe passage of an overflow pipe as a part of a passage for deodorizing, and a deodorizing device main body provided with a deodorizing fan inside a casing, the deodorizing device main body being disposed inside the wash water tank. In the deodorizing device of the toilet, which is connected to the upper end of the overflow pipe and performs exhaust for deodorization by rotating the deodorizing fan, the deodorizing device main body is provided in the overflow pipe and the overflow pipe. Is fixed in a state in which the relative height position to the above is defined, and the deodorizing apparatus main body is directly supported by the overflow pipe. Deodorizing device of the toilet bowl. 2. The downward fitting tubular fitting portion according to claim 1, wherein the tubular fitting portion is fitted to an upper end portion of the overflow pipe, and the tubular fitting portion is fitted to the tubular fitting portion. The overflow pipe is formed with an inward protruding piece formed so that the upper end surface of the overflow pipe abuts against the lower surface of the protruding piece, and the height position of the deodorizing device main body with respect to the overflow pipe is defined. The deodorizing device for a toilet, wherein the deodorizing device main body is supported by. 3. The double cylinder structure portion according to claim 2, wherein the casing is provided with a double cylindrical structure portion so that the inner tubular portion serves as the tubular fitting portion, and the outer tubular portion and the inner tubular fitting portion. And a connecting arm arranged at intervals in the circumferential direction, and an overflow water passage for stored water in the wash water tank is provided between the inner cylindrical fitting portion and the outer cylindrical portion. A deodorizing device for a toilet characterized by being formed. 4. The overflow pipe according to claim 1, wherein an upper end portion of the overflow pipe is formed to have a larger diameter than a lower portion, and the overflow is formed in a tubular fitting portion of a casing of the deodorizing device body. An elastic hooking claw extending downward along the outer surface of the pipe and having an inwardly facing hook at the lower end is formed, and the elastic hooking claw is elastically hooked to the stepped portion at the lower end of the large diameter portion, A deodorizing device for a toilet, wherein the deodorizing device main body is prevented from coming off. 5. The deodorizing catalyst according to any one of claims 1, 2, 3 and 4, wherein a deodorizing catalyst is provided on an exhaust passage of a casing of the deodorizing device body, and the deodorizing catalyst is used for deodorizing treatment.
A deodorizing device for a toilet, wherein exhaust air is directly discharged from the outlet formed in the casing into the flush water tank. 6. The cleaning arm according to any one of claims 1, 2, 3, 4, and 5, wherein a locking arm is laterally extended from a casing of the deodorizing device main body, and a front end portion of the arm is the washing water tank. A deodorizing device for a toilet, wherein the deodorizing device main body is prevented from rotating by the action of the locking arm. 7. The locking arm according to claim 6, wherein a locking portion having a U-shaped cross section having a downward fitting groove is formed at a tip portion of the locking arm, and the locking portion is opened at an upper end of the cleaning water tank. A deodorizing device for a toilet, characterized in that the deodorizing device is fitted and locked to the peripheral portion.