JP3189145B2 - Smoking pipe - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention is not only capable of reducing the amount of carcinogenic substances such as tar content of tobacco which is harmful when smoking, but also capable of smoking, as well as the carcinogenic substances such as tar content contained in discharged smoke. The present invention also relates to a smoking pipe which efficiently removes cigarettes, prevents the smoke of tobacco from diffusing into the room, and is suitable for preventing the adverse effects of passive smoking.

[0002]

2. Description of the Related Art Conventionally, as equipment for removing indoor pollutants such as tobacco smoke, there are air intake / exhaust fans and other ventilators, and desktop or wall-mounted air purifiers. However, since these facilities forcibly ventilate the air in the entire room, a large amount of power is required for driving the facilities, and the cost is high and the cost is high. And, the cigarette smoke is easily diffused throughout the room, and these facilities are ineffective in preventing the diffusion, and the efficiency of removing the cigarette smoke is not good. In recent years, the negative effect of passive smoking, which is that lung cancer is caused by indirect inhalation of cigarette smoke emitted by smokers by surrounding people, has become a problem. Measures are shouting strongly.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and requires a very simple structure and a low cost. It is easy to prevent the diffusion of cigarette smoke into a room and to remove harmful substances. It is an object of the present invention to provide a smoking pipe which can be performed efficiently.

[0004]

According to the present invention, in order to achieve the above-mentioned object, a pipe-filled smoke-absorbing path, an unfilled smoke-absorbing path and a smoke-exhaust path filled with a filter are provided separately. The ventilation connection between the smoke intake passage and the smoke exhaust passage and the suction opening of the pipe is switched and connected via switching means. The specific mode of this switching means will be described in detail in the following embodiments of the invention.

[0005]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
Shows an example of an embodiment of the present invention.

1 to 8 show a first embodiment of the present invention. FIG. 1 is a cross-sectional view of a smoking pipe cut horizontally along an axial direction. Reference numeral 1 denotes a pipe, and reference numeral 2 denotes a mouthpiece fitted and connected to a base end thereof. In the pipe 1,
The smoke intake passages 3 and 4 and the smoke exhaust passage 5 are defined by partition walls. The filter 6 is filled in the smoke intake passage 4 and the smoke exhaust passage 5, but the filter 6 is not filled in the smoke intake passage 3.
Reference numeral 7 denotes a tobacco insertion portion which is connected to the smoke intake passages 3 and 4 via the connection hole 8 and is provided at the distal end of the pipe 1.
The front end of the smoke exhaust passage 5 is closed, and an exhaust hole 9 is opened below.

A switching valve is provided between the base end of the pipe 1 and the suction port 2 as switching means for switching the ventilation connection between the suction paths 3, 4 and the exhaust path 5 and the suction port 2. ing. On the base end side of the pipe 1, a first valve housing 13 is provided for switching connection between the smoke intake passage 4 filled with the filter 6 and the smoke exhaust passage 5 through the connection holes 10 and 11 and the ball valve 12. . The connection hole 10 is connected to a connection hole 14 formed in the smoke intake passage 4 through a communication hole 15 as shown in FIG. The connection hole 11 is connected through a communication hole 17 to a connection hole 16 formed in the flue gas passage 5 as shown in FIG. First
The valve housing 13 is disposed so that its length direction is parallel to the axial direction of the pipe 1. Therefore, by inclining the tip portion or the suction port side of the pipe 1 in the vertical direction, the ball valve 12
Of the first valve housing 13 and the connection of the smoke intake passage 4 and the smoke exhaust passage 5 are switched.

The base end of the suction port 2 is connected to the ventilation hole 18 in the suction port and is not filled with the first valve housing 13 and the filter 6 via the connection holes 19 and 20 and the ball valve 21. A second valve housing 22 for switching connection to the passage 3 is provided. The connection hole 19 is connected through a communication hole 24 to a connection hole 23 formed in the smoke suction passage 3 not filled with a filter as shown in FIG. Connected. In addition, the connection hole 20
As shown in FIG. 6, it is connected to the inside of the first valve housing 13 via the communication hole 25 from above. The second valve housing 22 is disposed so that its length direction is orthogonal to the axial direction of the pipe 1. Therefore, by inclining the pipe 1 in the left-right direction (peripheral direction of the pipe 1), the connection holes 19, 20 of the ball valve 21 are formed.
Is switched to the second valve housing 22 and the first valve housing 1
3 and the connection state with the smoke path 3 are switched. Below the end of the pipe 1, there is provided a drain 26 for tar fastening, which is connected to the smoke exhaust passage 5 and opened. Note that the arrangement direction of the first valve housing 13 and the second valve housing 22 with respect to the axial direction of the pipe 1 may be opposite to that described above. Also, the first
Ball valves 12 and 2 due to tilting of valve housing 13 and second valve housing 22
In some cases, a level is attached to the pipe 1 or the suction port 2 in order to easily and surely switch and open / close the connection hole 1.

A method of using the smoking pipe according to the above embodiment will be described. Smoke canal with filter 4
In the case of smoking through the pipe, the tip end side of the pipe 1 is inclined upward and the connection hole 1 of the first valve housing 13 is
1 to block the connection between the first valve housing 13 and the flue gas passage 5,
The connection between the first valve housing 13 and the smoke-absorbing passage 4 with the filter is conducted through the open connection hole 10, the communication hole 15 and the connection hole 14, while the left side of the pipe 1 is inclined downward and the ball valve 21. To close the connection hole 19 of the second valve housing 22 to cut off the connection between the second valve housing 22 and the smoke passage 3 without a filter, and to open the second valve via the open connection hole 20 and the communication hole 25. The connection between the housing 22 and the first valve housing 13 is made conductive, and air is sucked in through the vent hole 18 of the suction port 2. Then, the smoke emitted from the cigarette lit and inserted into the tobacco insertion portion 7 is filtered by the filter 6 set in the smoke intake passage 4.
In a state in which harmful substances such as tar components are filtered out and removed, the air is sucked through the first valve housing 13 and the second valve housing 22 from the vent hole 18 of the suction port 2 into the mouth. In the case of discharging the smoke of the tobacco sucked into the mouth, the tip end side of the pipe 1 is inclined downward and discharged into the ventilation hole 18 of the suction port 2.
In this case, since the connection of the first valve housing 13 is switched from the smoke intake passage 4 to the smoke exhaust passage 5 by closing the connection hole 10 with the ball valve 12, the smoke discharged into the ventilation hole 18 is Hazardous substances such as tar are secondarily removed and purified by the filter 6 through the second valve housing 22 and the first valve housing 13 into the flue gas passage 5, and the exhaust hole at the tip of the pipe 1 is exhausted. Exhausted from 9 At this time, residual tar and the like are further retained in the drain 26 provided on the front side of the exhaust hole 9. By repeating such an operation, it is possible to smoke in a state in which harmful substances such as tar contained in cigarette smoke are primarily removed by the filter 6 in the smoke intake passage 4 of the pipe 1, and further, the smoke is discharged. The harmful substances remaining in the pipes are secondarily filtered by the filter 6 in the flue gas passage 5 of the pipe 1.
Is discharged to the outside in a state where the smoke is removed, so that the diffusion of the discharged smoke in the room and the contamination of the air due to the smoke can be prevented. Sometimes, the right side of the pipe 1 is inclined downward to close the connection hole 20 of the second valve housing 22 and
If the connection between the second valve housing 22 and the first filter case 13 is interrupted, and the connection between the second valve case 22 and the smoke passage 3 without filter is conducted through the connection hole 19, the communication hole 24 and the connection hole 23, You can also smoke without a filter. When discharging the smoke of the tobacco sucked into the mouth, the left side of the pipe 1 is tilted downward and the second
The connection of the valve housing 22 is switched to the first valve housing 13 side, and the first valve housing 13 and the flue gas passage 5 are made conductive by the same operation as described above to discharge into the vent hole 18 of the suction port 2. . In the same manner as described above, the discharged smoke is discharged to the outside in a state where harmful substances such as tar components contained therein have been removed and cleaned.

FIG. 9 and FIG. 10 show a second embodiment of the present invention. Reference numeral 30 denotes a pipe, and reference numeral 31 denotes a suction port fitted and connected to the outer surface of the base end portion so as to be rotatable in the circumferential direction. In the pipe 30, a smoke intake path 33 and a smoke exhaust path 34 filled with the filter 6 and a smoke intake path 32 not filled with the filter are formed at intervals of 90 degrees as shown in FIG. The ventilation holes 35 in the suction port 31 are provided with the smoke suction paths 32, 33,
The connection to the flue gas passage 34 is switched. Reference numeral 36 denotes a tobacco insertion portion connected to the smoke intake passages 32 and 33 via the connection holes 37. 38 is an exhaust hole. In this case, smoking and exhalation (discharge of smoke) are repeated and smoked by switching connection of the vent hole 35 to the smoke intake passage 32 or 33 and the smoke exhaust passage 34 by the rotation of the suction opening 31. By using the smoke intake passage 33 and the smoke exhaust passage 34 filled with the filter 6, harmful substances such as tar components contained in cigarette smoke are removed by the filter 6 in both cases of smoking and exhalation.

[0011]

Since the present invention has the above-described structure, the above-mentioned various disadvantages of the prior art are solved, and the following specific effects are obtained. a. A pipe is provided with a smoke-absorbing path filled with a filter, a smoke-absorbing path not filled, and a smoke-exhaust path filled with a filter, and a ventilation connection between the smoke-absorbing path and the smoke-absorbing path and the intake is switched. Since it is switched appropriately through the switching means by rotation, not only at the time of smoking but also at the time of expiration of discharging the smoke of the tobacco sucked into the mouth, harmful substances such as tar components contained in the smoke of the cigarette can be accurately detected. It can be efficiently removed, and can be purified and discharged into the room, and the diffusion of tobacco smoke into the room, which has been difficult with a ventilation device such as an air purifier, can be effectively prevented. . b. Therefore, it is suitable for preventing the harmful effects of passive smoking, in which a lung cancer occurs due to indirect suction of cigarette smoke emitted by a smoker by surrounding people.
c. Unlike ventilators and air purifiers, the structure is extremely simple and costs are low.

[Brief description of the drawings]

FIG. 1 is a front center transverse cross-sectional view of a smoking pipe according to a first embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG. 1;

FIG. 3 is a sectional view taken along line BB of FIG. 1;

FIG. 4 is a sectional view taken along line CC of FIG. 1;

FIG. 5 is an explanatory diagram showing a connection state between a second valve housing of the smoking pipe and a smoke suction passage not filled with a filter.

FIG. 6 is an explanatory view showing a connection state between a second valve housing, a first valve housing, and a smoke inlet filled with a filter of the smoking pipe.

FIG. 7 is an explanatory view showing a connection state between a first valve housing of the smoking pipe and a smoke exhaust passage filled with a filter.

FIG. 8 is an explanatory view of an exhaust hole and a tar retaining drain provided in the above-mentioned smoke exhaust passage.

FIG. 9 is a front center horizontal cross-sectional view of a smoking pipe according to a second embodiment of the present invention.

FIG. 10 is a left side view of the above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Pipe 2 Suction mouth 3 Filter-unfilled smoke intake passage 4 Filter-filled smoke intake passage 5 Filter-filled smoke exhaust passage 6 Filter 7 Tobacco insertion part 8 Connection hole 9 Exhaust hole 10 Connection hole 11 Connection hole 12 Ball valve 13 First valve housing 14 Connection Hole 15 communication hole 16 connection hole 17 communication hole 18 ventilation hole 19 connection hole 20 connection hole 21 ball valve 22 second valve housing 23 connection hole 24 communication hole 25 communication hole 26 tar drain 30 pipe 31 suction port 32 filter not filled Smoke path 33 Filter-filled smoke path 34 Filter-filled smoke path 35 Ventilation hole 36 Tobacco insertion part 37 Connection hole 38 Exhaust port

Claims (2)

(57) [Claims] The present invention comprises a pipe and a suction port fitted and connected to a base end of the pipe. The pipe defines a smoke suction path filled with a filter, a smoke suction path not filled and a smoke exhaust path filled with a filter. A first valve housing is provided at the base end side of the pipe for switching connection between a smoke intake passage and a smoke exhaust passage filled with a filter through a connection hole and a ball valve, and a base end side of the suction opening is provided. Is provided with a second valve housing which is connected to a ventilation hole in the suction port and which is connected to the first valve housing and a smoke suction passage which is not filled with a filter via a connection hole and a ball valve. Smoking pipe. 2. A pipe and a suction port rotatably fitted to and connected to a base end of the pipe, wherein the pipe is filled with a filter, a non-filled filter, and a filter filled with a filter. A smoking pipe, characterized in that a ventilation hole in a suction opening is switched and connected to each of a smoke suction passage and a smoke discharge passage by rotation of the suction opening.