CN2538869Y

CN2538869Y - Negative pressure smellless toilet

Info

Publication number: CN2538869Y
Application number: CN 02273349
Authority: CN
Inventors: 周克树
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-05-21
Filing date: 2002-05-21
Publication date: 2003-03-05
Anticipated expiration: 2012-05-21

Abstract

The utility model relates to a negative-pressure smellless toilet. A suit of negative-pressure exhaust mechanism is arranged in the existing toilet and comprises a drainage hole, a drainage channel, a drainage pipe and an exhaust pipe of the toilet, wherein the lower end of the exhaust pipe is communicated with the drainage pipe, and the upper part of the exhaust pipe passes through a through hole on the water level of a water tank and extends to the upper end of the exhaust pipe outside the water tank to connect an exhaust fan through a guide pipe. An overflow hole is arranged at the upper part of the exhaust pipe, an overflow pipe is arranged on the overflow hole and is downwards bent, and the free end of the overflow pipe is positioned under the water surface of the water tank. The utility model directly exhausts bad smell generated when in defecation to outdoors, prevents air in a washroom from being polluted, has simple structure, conducts the improvement on the base of the existing toilet, and is beneficial for popularization.

Description

The tasteless toilet of negative pressure

Technical field the utility model relates to a kind of toilet.

Background technology is in order to remove the foul smell that people produce when the excrements, and the common practice is at the Toilet Installation exhaust fan.But the washroom is in pollutional condition all the time, can not fundamentally solve the healthy problem of people that influences.

Summary of the invention the utility model mainly is based on existing toilet, establishes the ventilation and negative pressure ventilation mechanism that a cover links to each other with exhaust blower in toilet.This ventilation and negative pressure ventilation mechanism is except that comprising the original drain hole of toilet, drain, gutter, between gutter and bleed off pipe, also establish an exhaust duct, this exhaust duct lower end is connected with gutter, the above through hole of cistern water level is passed on top, reaches the outer exhaust duct upper end of water tank and links to each other with exhaust blower by conduit.The shape of said exhaust pipe is not limit, and it can be that pipe also can be a square tube, can also be square tube, pipe mixing tube.When people use this toilet, simultaneously exhaust blower is opened, whole air draft mechanism just is in negative pressure state (except that bath), so the foul smell in the sitting toilet just directly is discharged to the open air by the air draft mechanism that outfall, drain, gutter and the exhaust duct of toilet are formed.Be provided with through hole on exhaust duct top, i.e. spout hole, the minimum point of this spout hole is corresponding with the cistern water level upper limit.For preventing that the foul smell in the closet from being discharged by this spout hole, on spout hole, establish one one short tube that end is coupled, i.e. bleed off pipe, this bleed off pipe bends downwards, and free end is positioned at below the water surface of water tank.Above-mentioned bleed off pipe can not only play the effect of full water overflow, and can also the air draft mechanism in the toilet is airtight.

The utility model has following advantage compared to existing technology: 1, the foul smell that people's defecation produces directly can be discharged to the open air, make the air of washroom not contaminated.2, simple in structure, be the transformation of on the basis of existing toilet, carrying out, be beneficial to penetration and promotion.

Description of drawings

Fig. 1 is the utility model schematic top plan view.

Fig. 2 is the B-B view of Fig. 1.

Fig. 3 is the C-C view of Fig. 1.

The specific embodiment mainly in the toilet of being made up of closet body 1 and water tank 2, is established one and is overlapped the air draft mechanism that links to each other with exhaust blower in the schematic diagram of the tasteless toilet of negative pressure illustrated in figures 1 and 2.This ventilation and negative pressure ventilation mechanism includes drain hole 3, drain 4, gutter 5 and the exhaust duct 6 of toilet.Wherein the exhaust duct lower end is connected with gutter, and its horizontal component that links to each other with gutter is square tube, and the cross section as shown in Figure 3.The through hole on the cistern water level is passed on exhaust duct top, and reaching the outer upper end of water tank can link to each other with exhaust blower by conduit.Establish spout hole on exhaust duct top, its minimum point is corresponding with the cistern water level upper limit.Establish a bleed off pipe 7 on spout hole, it bends downwards and free end is positioned at below the water surface of water tank.The water cover 8 on gutter top is movably connected on the outer set boss of exhaust duct by the engaging lug on it in addition.

Claims

1, the tasteless toilet of a kind of negative pressure, it is characterized in that: in existing toilet, establish a cover ventilation and negative pressure ventilation mechanism, it includes drain hole, drain, gutter and the exhaust duct of toilet, wherein the exhaust duct lower end is connected with gutter, the through hole on the cistern water level is passed on top, reaching the outer exhaust duct upper end of water tank can link to each other with exhaust blower by conduit, is provided with spout hole on exhaust duct top.

2, the tasteless toilet of negative pressure according to claim 1 is characterized in that: establish a bleed off pipe on the spout hole, it bends downwards and free end is positioned at below the water surface of water tank.