JPH11172735A - Drain trap structure and kitchen structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a drain trap structure which drains well while reducing draining noises. SOLUTION: A drain trap structure includes a drain hole 10, a drain cylinder 20 provided below the drain hole 10, a drain pipe 30 joined to the drain cylinder 20, and a deodorizer 40 covering an opening 31 in the drain pipe 30. A water retaining chamber 50 is provided below the drain cylinder 20, and an air retaining chamber 60 communicated with the inside of a distributing water pipe 30 and to an external space 90 via the water retaining chamber 50 is provided between the opening 31 and the inside surface of the deodorizer 40 opposite to the opening 31. The part of the deodorize 40 located inside the water retaining chamber 50 has a drain passage 70 through which waste water flows and a drain passage 80 for venting air in the air retaining chamber 60.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drain trap structure, and more particularly, to a drain trap structure that improves drainage and reduces noise during drainage.

[0002]

2. Description of the Related Art Heretofore, it has been practiced to provide a water storage chamber for storing drainage in a bottomed cylindrical drainage pipe provided below a drainage outlet of a sink, and to cover an opening of the drainage pipe with a deodorizer. As a result, the internal space inside the drainpipe can only be
Since it communicates with the indoor space in which the sink is installed, it is possible to prevent an unpleasant odor caused by the backflow of the air inside the drain pipe.

[0003]

However, the above technique has the following problems. That is,
A gap is provided between the lower end of the deodorizer and the bottom of the drainage pipe, and the drainage is formed to flow from the gap to the drainpipe.
Therefore, when the drainage is flowed, the drainage flows into the gap, and the air pushed out by the flowed drainage is discharged from the gap. Therefore, when the gap is small with respect to the amount of drainage, an exhaust path for air to be discharged cannot be sufficiently secured, and as a result, the flow of drainage may be insufficient, or loud noise may occur during drainage.

It is an object of the present invention to provide a drain trap structure which can drain well and reduce abnormal noise during drain. Another object of the present invention is to provide a drain trap structure that facilitates a cleaning operation. A third object of the present invention is to provide a drain trap structure with better drainage.

Another object of the present invention is to provide a drain trap structure that can be adjusted according to the amount of drain water and the like. Another object of the present invention is to provide a kitchen structure provided with a drain trap that can drain well and reduce abnormal noise during drainage.

Prior to the present application, the applicant preliminarily used the prior art search (Patris) of the Japan Patent Information Organization (JAPIO) to search for 36 patent applications and utility models using the search formula: E03C01 / 28B. 72 registration applications were extracted and closely examined. As a result, no prior art that solves the above problem could be found.

[0007]

SUMMARY OF THE INVENTION The present invention is to achieve the above object. (Claim 1) The invention according to claim 1 comprises a drain port (10) and a bottomed cylindrical drain pipe (20) projecting downward from the drain port (10).
And a drain pipe for draining water continuously into the drain pipe (20)
(30) and the air inside the drain pipe (30) flows back to the drain port (10) by covering the opening (31) of the drain pipe (30) that opens toward the inside of the drain pipe (20). A drain trap structure provided with a deodorizer (40) for preventing drainage, wherein an opening of a drain pipe (30) is provided.
(31) is located above the bottom surface (21) of the drainage pipe (20) and below the drainage port (10), and always drains water at the lower part of the drainage pipe (20). A water retention chamber (50) that can be placed, and a drain pipe (30) is provided between the opening (31) and the inner surface of the deodorizer (40) facing the opening (31). An air chamber for storing air inside the drain pipe (30) that communicates with the inside of the drain pipe and communicates with the external space (90) through the water retaining chamber (50).
A drainage channel (70) through which drainage flows from the outer surface to the inner surface of the deodorizer (40) is provided in a portion of the deodorizer (40), which is located inside the water chamber (50). Exhaust passage through which air inside the retaining room (60) is discharged to the external space (90) via the water retaining room (50).
(80).

[0008] Here, the "outside space (90)" refers to the drain port (10).
Refers to the space located on the opposite side to the inside of the drainage pipe (20), for example, refers to the indoor space if the drain trap structure is installed indoors, the drain trap structure is installed outside the room If it is, it refers to the outdoor space. The operation of the first aspect will be described.

[0009] When a large amount of drainage is drained from the drain (10),
The water levels in the water chamber (50) and the air chamber (60) inside the drainage pipe (20) rise. Then, the air inside the air chamber (60) is
Discharged to 0). At this time, a drainage channel (70) into which drainage flows into the ventilation chamber (60) and an exhaust passage (80) through which air is discharged from the ventilation chamber (60) are separately provided. As a result, the air can be easily exhausted, so that the drainage becomes good and the noise at the time of drainage can be reduced. Further, when the drainage is not allowed to flow, the air inside the drainage pipe (30) does not leak to the external space (90), so that an unpleasant odor caused by the backflow of the air inside the drainage pipe (30) can be suppressed. (Claim 2) The invention of claim 2 is a technically limited invention of the invention of claim 1, wherein the drain pipe (30) extends upward from the bottom surface (21) of the drain pipe (20). Projecting towards the drain
(20), the deodorizer (40) includes a covered cylindrical main body (41) having an inner diameter larger than the outer diameter of the drain pipe (30), and a lower end of the main body (41). A gap is provided between the drain pipe (20) and the bottom surface (21), and the deodorizer (40) in the main body (41) of the deodorizer (40) is opened by the opening (31) of the drain pipe (30). ) Is provided with a through hole (42) at a position below the upper end (41) of the drain pipe (40) in a state where the drain pipe (40) is covered.

The operation of the invention according to claim 2 will be described. It can be used as a drainage channel (70) through which drainage flows between the lower end of the main body (41) and the bottom surface of the drainage tube (20). In addition, an exhaust passage through which air is discharged from the through hole (42) to the external space (90) from the air retention chamber (60).
Can be used as (80). As a result, the drain (70) and the exhaust
(80) can be secured separately, so that drainage is improved and abnormal noise during drainage can be reduced. Also, since the deodorizer (40) may be located above the drain pipe (30), the deodorizer (40) can be easily attached and detached, and the cleaning work of the deodorizer (40) and the drain pipe (20) can be performed. Easier to do. (Claim 3) The invention according to claim 3 is a technically limited invention of the invention according to claim 2, wherein the through hole (42) is formed on the side surface of the main body (41) of the deodorizer (40). In addition, the lower through hole (42b) has a larger opening than the upper through hole (42a) in the upper and lower stages (42a, 42b).

Here, "the lower through-hole (42b) has a larger opening than the upper through-hole (42a)" means, for example, that the lower through-hole (42b) and the upper through-hole (42a) If the hole diameter of the lower hole is the same, the number of the lower through holes (42b) is increased, or if the number of the lower through holes (42b) and the upper hole (42a) is the same, the lower This can be achieved by increasing the diameter of the through hole (42b).

The operation of the invention will be described. The body (41) of the deodorizer (40) can be used even when a large amount of wastewater is drained.
And the bottom hole (42) of the drainage cylinder (20) and the lower through hole (42b)
And the air in the air chamber (60) is discharged from the upper through hole (42a). For this reason, the drainage becomes good, and abnormal noise during drainage can be reduced. (Claim 4) The invention according to claim 4 is an invention in which the invention according to claim 2 or 3 is technically limited, and the deodorizer (40) has a size of the through hole (42). An adjustable hole diameter adjusting function (43) is provided.

[0013] Here, the "pore diameter adjusting function part" means the water sealing depth.
(d) and a member capable of adjusting the hole diameter of the exhaust passage (80) and the drainage passage (70) at the construction site according to the size of the drainage tube (20),
For example, a long slot-like through hole (42) is provided in the vicinity of the lower part of the main body (41) of the deodorizer (40), and the outer surface of the main body (41) is rotated along the outer surface. A possible adjustment ring (43) is provided, the adjustment ring (43) is provided with a ring hole (44) corresponding to the size of the through hole (42), and the adjustment ring (43) is turned to form a ring hole (44). This can be achieved by forming the size of the overlapping portion between the hole and the elongated hole so as to be adjustable.

The operation of the invention will be described. An appropriate hole diameter can be adjusted according to the amount of drainage, the size of the drainage cylinder (22) and the size of the air chamber (60), and the like. Therefore, it is possible to improve drainage and reduce abnormal noise during drainage. (Claim 5) The invention according to claim 5 is a kitchen structure provided with a drain trap, wherein the kitchen structure has a top plate and a sink for performing water work recessed below the top surface of the top plate. And a drain (1
0), and a cylindrical drainage pipe projecting downward from the drainage port (10).
(20), a drain pipe (30) for continuously draining the drain pipe (20), and an opening (31) of the drain pipe (30) that opens toward the inside of the drain pipe (20). ) To prevent the air inside the drain pipe (30) from flowing back to the drain port (10).
The drain pipe (30) has an opening (31) opening toward the inside of the drain pipe (20) positioned above the lower end face of the drain pipe (20), and a drain port (10). A water retaining chamber (50), which is located below the drain cylinder (20) and can always store drainage, includes the opening (31) and the opening (3
Between the drain pipe (30) surface of the deodorizer (40) facing 1), it communicates with the inside of the drain pipe (30) and also communicates with the external space (90) via the water storage chamber (50). A deodorizing chamber (60)
A drainage channel (70) through which drainage flows from the outer surface of the (40) to the inner surface,
When the drainage flows, the air inside the air chamber (60)
Exhaust passage (80) for discharge to external space (90) via (0)
And characterized in that:

The operation of the invention will be described. When a large amount of drainage is discharged from the drainage port (10), the water level in the water storage chamber (50) inside the drainage pipe (20) rises. Then, the drainage flows into the ventilation chamber (60), and the air inside the ventilation chamber (60) is
It is discharged to (90). At this time, a drainage channel (70) into which drainage flows into the ventilation chamber (60) and an exhaust passage (80) through which air is discharged from the ventilation chamber (60) are separately provided. Therefore, if the kitchen according to the present invention is installed in the kitchen, drainage is good, and abnormal noise during drainage can be reduced. Further, when the drainage is not allowed to flow, the air inside the drainage pipe (30) does not leak to the external space (90), so that an unpleasant odor caused by the backflow of the air inside the drainage pipe (30) can be suppressed.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail with reference to embodiments and drawings. The drawings used here are FIG. 1, FIG. 2, FIG. 3, and FIG. FIG. 1 is a vertical sectional view showing an embodiment of the present invention, and shows a drain trap structure. FIG. 2 is a perspective view showing one embodiment of the present invention, and shows a deodorizer. FIG. 3 is a perspective view showing an embodiment of the present invention, and shows a deodorizer. FIG. 4 is a vertical sectional view showing an embodiment of the present invention, and shows a drain trap structure. (Outline) FIG. 1 shows a drain trap structure used for a sink installed in a kitchen. FIG. 2 shows a deodorizer used in the drain trap structure of FIG.

Although not shown, the sink has a plate-like top plate mounted so that its upper surface is horizontal, and a sink for performing water work recessed below the upper surface of the top plate. Is provided. The sink is provided with a drain port 10 for draining drain water. Below the drain port 10, a bottomed cylindrical drain pipe 20 provided continuously to the drain port 10 and a drain pipe 30 for continuously draining the drain pipe 20 are provided. The drain pipe 30 is connected to the drain pipe 20 by projecting upward from the bottom surface 21 of the drain pipe 20. And, at the upper end of the drain pipe 30,
An opening 31 that opens toward the drainage cylinder 20 is provided. The opening 31 is covered by a substantially lidded tubular deodorizer 40. In the lower part of the drainage cylinder 20, a water storage chamber 50 for constantly storing drainage is provided.
Is provided. The depth of the water retaining chamber 50 is a depth corresponding to a distance from the bottom surface 21 of the drain pipe 20 to the opening 31 of the drain pipe 30.

A drain trap structure 10 having a U-shaped vertical cross section is provided below the drain pipe 20 in the drain pipe 30.
0 is provided. From the water surface on the opening 31 side of the drain trap structure 100 to the water storage chamber 50, an air storage chamber 60 for storing the air inside the drain pipe 30 is formed. The air inside the air chamber 60 communicates via the water chamber 50 with the indoor space 90 in which the sink is installed. (Deodorizer) The deodorizer 40 includes a covered cylindrical main body 41 whose inner diameter is larger than the outer diameter of the drain pipe 30. The deodorizer 40 includes a tube fixing portion 45 for providing a gap between the lower end of the main body 41 and the bottom surface 21 of the drainage tube 20. The tube fixing portion 45 is formed as a protruding piece that protrudes outward from the main body portion 41, and is formed so as to be fittable with the fitting groove 22 provided in advance on the inner surface of the drainage tube 20. Then, with the cylinder fixing portion 45 fitted in the fitting groove 22, between the inner surface of the deodorizer 40 and the drain pipe 30, and between the bottom surface 21 of the drain cylinder 20 and the lower end of the deodorizer 40. Form gaps for drainage to flow.

The deodorizer in the main body 41 of the deodorizer 40
Through holes 42a and 42b are provided at positions where 40 covers opening 31 of drain pipe 30 and is lower than opening 31 of drain pipe 30. Specifically, a plurality of upper and lower steps 42a, 42b are provided on the side surface of the main body 41 of the deodorizer 40, and the lower through-hole 42b is
The opening is formed larger than a. (Effect) The counter opening 31 based on the drain trap structure 100
The air inside the drain pipe 30 located on the side has a drain trap structure.
When the drainage is accumulated in 100, it does not flow backward to the opening 31 side. Further, the presence of the water storage chamber 50 prevents the air inside the air storage chamber 60 from flowing back into the indoor space 90 in a normal state. Therefore, generation of an odor in the indoor space 90 is prevented. Further, when a large amount of drainage is discharged from the drainage port 10, the water levels of the water storage chamber 50 and the air storage chamber 60 inside the drainage pipe 20 rise. Then, the air inside the ventilation chamber 60 is discharged into the indoor space 90. At this time, the drainage flows between the lower end of the deodorizer 40 and the bottom surface 21 of the drainage cylinder 20 and the lower through-hole 42b. On the other hand, the air inside the gas chamber 60 is discharged from the upper through-hole 42a. Therefore, the drainage channel into which the wastewater flows into the ventilation chamber 60
Since the exhaust passage 70 and the exhaust passage 80 through which air is exhausted from the air chamber 60 are separately provided, exhaust can be easily performed. As a result, drainage is improved and abnormal noise during drainage can be reduced. Further, since the deodorizer 40 may be located above the drain pipe 30, the deodorizer 40 can be easily attached and detached.
In addition, the cleaning operation of the drainage cylinder 20 is facilitated. (Variation) Next, a variation of the deodorizer will be described with reference to FIG. The deodorizer of FIG. 3 includes a hole diameter adjusting function unit 43 that can adjust the size of the through-hole 42 provided on the side surface of the deodorizer 40. The hole diameter adjusting function part 43 is a member that can adjust the hole diameter of the exhaust path 80 and the drain path 70 at the construction site according to the water sealing depth d and the size of the drainage tube 20. Specifically, an elongated through-hole extending in the lateral direction near the lower part of the main body 41 of the deodorizer 40.
An adjustment ring 43 is provided on the outer side surface of the main body 41 so as to be rotatable along the side surface of the drainage cylinder 20. The adjusting ring 43 is provided with a ring hole 44 corresponding to the size of the through hole 42, and the adjusting ring 43 is turned so that the size of the overlapping portion between the ring hole 44 and the elongated hole can be adjusted. Other configurations are
Since the configuration is the same as the first embodiment, the same configuration includes:
The same reference numerals are given and the description is omitted.

According to the present embodiment, the amount of drainage,
The diameter of the hole can be adjusted to an appropriate value according to the size and the like of the gas chamber 60. Therefore, it is possible to improve drainage and reduce abnormal noise during drainage. Next, a third embodiment of the present invention will be described with reference to FIG. The drain trap structure of FIG. 4 includes an opening 31 of a drain pipe 30 on a side surface of the drain pipe 20. The height from the bottom surface 21 of the drainage cylinder 20 to the lower end of the opening 31 is defined as the depth of the water retaining chamber 50. The opening 31
Is covered by a box-shaped deodorizer 40. The lower end of the deodorizer 40 is fixed to the bottom surface 21 of the drainage pipe 20. Also, deodorizer
The portion of the 40 located inside the water chamber 50 is provided with two through holes 42a and 42b in the vertical direction. Other configurations are the same as those of the first embodiment, and therefore, the same configurations are denoted by the same reference numerals and description thereof will be omitted.

The operation of the embodiment will be described. Drain port 10
When a large amount of wastewater is drained from the
Water level rises. Then, the drainage flows into the ventilation chamber 60, and the air inside the ventilation chamber 60 is discharged into the indoor space 90.
At this time, a drainage passage 70 into which drainage flows into the sintering chamber 60 and an exhaust passage 80 from which air is discharged from the sintering chamber 60 are separately provided. Therefore, drainage is good and abnormal noise at the time of drainage can be reduced. Further, when the drainage is not made to flow, the air inside the drainage pipe 30 does not leak into the indoor space 90, so that an unpleasant odor due to the backflow of the air inside the drainage pipe 30 can be suppressed. In addition, since the drain pipe 30 is continuous with the side surface of the drain pipe 20, the drain pipe 30 is not located in a space located below the drain pipe 20 in the sink. Therefore, the space located below the drainage tube 20 in the sink can be effectively used as a storage space for cooking utensils and the like.

Although the present embodiment has been described as a drain trap structure used for a sink, the present invention is not limited to a sink but can be used for a bathroom or a sink.

[0023]

According to the first aspect of the present invention, it is possible to provide a drain trap structure capable of improving drainage and reducing abnormal noise during drainage. In addition, according to the second aspect of the present invention, it is possible to provide a drain trap structure in which the cleaning operation is easy.

Further, according to the third aspect of the present invention, it is possible to provide a drain trap structure with better drainage. In addition, according to the invention of claim 4, in addition,
It is possible to provide a drain trap structure that can be adjusted according to the amount of drain water and the like. According to the fifth aspect of the present invention, it is possible to provide a kitchen structure provided with a drain trap that can drain well and reduce abnormal noise during drain.

[Brief description of the drawings]

FIG. 1 is a vertical sectional view showing an embodiment of the present invention.

FIG. 2 is a perspective view showing an embodiment of the present invention.

FIG. 3 is a perspective view showing an embodiment of the present invention.

FIG. 4 is a vertical sectional view showing one embodiment of the present invention.

[Explanation of symbols]

10 Drain outlet 20 Drain cylinder 21 Bottom 22 Fitting groove 30 Drain pipe 31 Opening 40 Deodorizer 41 Main body 42 Through hole 42a Upper through hole 42b Lower through hole 43 Hole diameter adjustment function part 44 Ring hole 45 Cylinder fixing part 50 Water reservoir 60 Retention room 70 Drainage channel 80 Exhaust channel 90 Indoor space 100 Drain trap structure d Water depth

Claims (5)

[Claims] 1. A drain port, a bottomed cylindrical drain pipe protruding downward from the drain port, a drain pipe for continuously draining the drain pipe, and an inside of the drain pipe in the drain pipe And a deodorizer that covers the opening that opens to prevent the air inside the drainpipe from flowing back to the drainage port. Is also above,
And located below the drain port, the lower part of the drainage cylinder is provided with a water retention chamber capable of constantly storing drainage, the opening, and the inner surface of the deodorizer facing the opening Between the drain pipe and an air storage chamber for storing air inside the drain pipe that communicates with the external space through the water storage chamber and through the water storage chamber. There are a drainage channel through which drainage flows from the outer surface facing the drainage tube of the deodorizer to the inner surface, and an exhaust channel through which air inside the gas chamber is discharged to the external space via the water chamber. And a drain trap structure comprising: 2. The drain pipe is connected to the drain pipe by projecting upward from the bottom surface of the drain pipe, and the deodorizer has a covered cylindrical main body whose inner diameter is larger than the outer diameter of the drain pipe. However, a gap is provided between the lower end of the main body and the bottom of the drain pipe, and the deodorizer in the main body of the deodorizer covers the opening of the drain pipe so that it is higher than the upper end of the drain pipe. The drain trap structure according to claim 1, wherein a through hole is provided at a lower position. 3. The through hole according to claim 2, wherein the through hole is provided in a plurality of upper and lower stages on the side surface of the main body of the deodorizer, and the lower through hole has a larger opening than the upper through hole. Drain trap structure. 4. The drain trap structure according to claim 2, wherein the deodorizer has a hole diameter adjusting function that can adjust the size of the through hole. 5. A kitchen structure provided with a drain trap, wherein the kitchen structure includes a top plate, a sink for performing water work recessed below an upper surface of the top plate, and a drain from the sink. Drain, a bottomed tubular drain protruding downward from the drain, a drain pipe for allowing drainage to flow continuously through the drain, and a drain pipe at the drain. A deodorizer that covers the opening to prevent the air inside the drain pipe from flowing back to the drain port. The drain pipe has an opening that opens toward the inside of the drain pipe, and an opening that opens toward the inside of the drain pipe. It is located above the end face and below the drain port, and at the lower part of the drainage cylinder is provided a water retaining chamber capable of constantly storing drainage, facing the opening and the opening. Between the inner surface of the deodorizer and the drain pipe. A dewatering chamber that communicates with the external space via a water retention chamber, and a drainage channel through which drainage flows from the outer surface of the deodorizer to the inner surface facing the drainage pipe; A kitchen structure provided with an exhaust passage through which air inside the room is discharged to the outside space via the water retaining room.