JPH1018381A - Drain trap - Google Patents

Abstract

PROBLEM TO BE SOLVED: To efficiently and reliably discharge water and refuse or the like by forming an upper edge part of a drain trap in a shape so that an opening of a side surface of a step part of a sink and the peripheral edge of the opening of an upper part or a lower part of the step part can be brought into contact with each other in an all water sealing condition. SOLUTION: A water guiding channel 4 is arranged on the inmost side side surface 2b of a sink 2 of a dresser with sink, and a drain part 5 is arranged in the guiding channel 4. An opening 9 as the drain part 5 is arranged over this side side surface 4a and a bottom surface 4b of the guiding channel 4 from a sink surface 2a, and an inward flange part 11 is arranged on the peripheral edge of the opening 9 through a step part having a prescribed depth. An outward flange part 12 having a shape corresponding to the flange part 11 is arranged in an upper edge part of a drain trap 7. The drain trap 7 is also locked on the flange part 11 of the opening 9 through the flange part 12, and a covering cover 6 is placed on the flange part 12 so as to be taken out.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sink for a sink in a kitchen or the like, and more particularly, to a drain trap for a sink for a sink capable of draining water, dust and the like in the sink to the outside.

[0002]

2. Description of the Related Art Conventionally, a sink for a sink capable of efficiently and surely discharging water, dust and the like in the sink is disclosed in, for example, Japanese Utility Model Laid-Open No. 53-96456. This sink for a sink has a drain groove formed at a peripheral edge of a bottom surface in the sink, and an opening as a drain portion is provided at a predetermined bottom surface in the drain groove, and water in the sink flows into the drain groove. After that, it is discharged from the opening.

[0003]

However, in such a sink for a sink, since the opening is formed in the bottom surface of the drainage groove, the upper surface of the opening is formed by dirt or articles that can fit in the drainage groove. However, there is a problem that the drainage efficiency is reduced due to the blockage of the water.

The present invention has been made in view of such a problem, and an object of the present invention is to provide a drain trap in a sink for a sink that can discharge water and dust efficiently and reliably. .

[0005]

In order to achieve the above object, at least one step portion is formed at a predetermined position on a sink surface, and an opening is formed in a side surface of the step portion, and a sink at an upper portion or a lower portion of the step portion. A drain trap for a sink for a sink that is provided with an opening as a drain on one or both of the surfaces, wherein an upper edge of the drain trap has an opening on a side surface of the step and an upper part of the step. Alternatively, it is characterized in that the entire periphery of the opening appropriately formed in the lower portion can be brought into contact with a water seal. According to this feature, since the upper edge of the drain trap is formed in accordance with the shape of the opening formed at a predetermined location on the sink surface, the lower portion of the sink surface is drained without special processing. The trap makes it easy to cover in a water-sealed state,
The wastewater from the large openings including the three can be efficiently concentrated.

In the drain trap of the present invention, it is preferable that a locking means for locking a cover covering a part of the opening of the drain trap is formed at an upper edge portion of the drain trap.
By doing so, the cover can be formed in advance in accordance with the opening of the drain trap, and there is no need to form a locking means for the cover on the periphery of the opening of the sink surface, and the sink can be easily formed.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. First, FIG. 1 shows a kitchen sink 1 to which the present invention is applied, and 2 indicates a sink. A substantially rectangular sink provided at 1 and a tap 3 respectively. A water guiding groove 4 having a predetermined length as a step is formed in the bottom of the bottom surface 2a, that is, the rear side surface 2b in the sink 2, and a drain portion 5 is provided in the guiding groove 4. ing.

The bottom surface 2a of the sink 2 is generally slightly inclined toward the guiding groove 4 as shown in FIG. 4, and the inner surface of the guiding groove 4 is formed as shown in FIG. It is formed to be inclined toward the drain section 5.

In the sink 2, from the sink surface 2a,
An opening 9 as the drainage portion 5 is formed between the front side surface 4a and the bottom surface 4b of the guide groove 4, and an inward flange portion 1 is formed on the periphery of the opening 9 through a step portion having a predetermined depth.
1 is formed. In the present embodiment, the opening 9 is formed from the sink surface 2a to the front side surface 4a and the bottom surface 4b of the guide groove 4, but only the front side surface 4a is formed.
Alternatively, it may be formed only from the sink surface 2a to the near side surface 4a or from the near side surface 4a to the bottom surface 4b.

Below the opening 9, there is provided a drain trap 7 connected to a discharge pipe (not particularly shown) disposed at an appropriate place in the sink 1. The drain trap 7 is engaged with the flange 11 of the opening 9 via an outward flange 12 formed at the upper end thereof. The flange portion 12 of the drain trap 7 is formed continuously corresponding to the flange portion 11 formed over the sink surface 2a, the front side surface 4a of the guide groove 4, and the bottom surface 4b.

The drain trap 7 is reduced in diameter through the inclined surface 7a so that the inside of the drain trap 7 cannot be seen from the upper surface of the opening formed on the bottom surface 4b of the guide groove 4. Further, a step portion 13 for locking a garbage basket 8 described later is formed at a predetermined depth position.

Around the upper surface of the drain trap 7, an annular mounting ring 14 as shown in FIG. The mounting ring 14 has a pressing surface 15 that can be brought into contact with the lower surface of the flange 11 of the sink 2, and a plurality of support pieces 16 are fixedly provided at predetermined locations on the peripheral surface. And these support pieces 1
An elongated cutout groove 17 is formed at the lower end of 6.

Reference numeral 18 denotes two linear support rings 19 each having a shaft member 20 which can be fitted in the notch groove 17 at the upper end.
And a substantially L-shaped pressing piece 21 axially mounted between the two support links 19. The support link 19 and the pressing piece 21 are formed of a soft plastic resin or the like that can be slightly elastically deformed.

The support link 19 of the support member 18
As shown by a dotted line on the left side in FIG.
The lower end point a of the pressing piece 21 is fitted to the notch groove 17 and the protruding piece 2 formed at a predetermined location on the peripheral surface of the drain trap 7.
When the upper end of the pressing piece 21 is pushed up in the direction of the arrow in a state where the pressing piece 21 is supported, the linear distance from the upper end of the support link 19 to the lower end point a of the pressing piece 21 becomes longer. The bent portion b is strongly pressed by the support ring 19 axially mounted therebetween on the protruding piece 22 and the peripheral surface of the drain trap 7, respectively, so that the support member 21 is in a protruding state between the mounting ring 14 and the protruding piece 22. It is designed to be attached to.

When the support member 18 is mounted as described above, the mounting ring 14 moves upward and the drain trap 7 moves downward, so that the flange 11 of the sink 2 is pressed against the pressing surface of the mounting ring 14. 15 and the lower surface of the flange 12 of the drain trap 7 are pressed more strongly in the vertical direction, and the seam between the flange 11 and the flange 12 is sealed with water. Although not particularly shown, a packing is normally mounted between the flange portion 12 and the flange portion 11 as appropriate.

Next, as shown in FIGS. 4 and 5, inside the drain trap 7, a step 13 formed at a predetermined position on the inner surface is provided.
A garbage basket 8 serving as a garbage holder is detachably provided by utilizing the above. The cover 6 is removably placed on the flange 12 of the draining card 7 on the sink surface 2a.

Here, as shown in FIG. 5, even in the case where the dishes are washed in the sink 2 using the tub 10 or the like whose bottom face 10a is larger than the opening 9 of the drainage section 5, for example, Since the gap S is appropriately secured between the bottom surface 10a of the tub 10 and the opening 9, the opening of the drainage part 5 and the upper surface in the vicinity thereof are not closed by the bottom surface 10a of the tub 10.

Further, the water in the sink 2 flows into the guide groove 4 extending to the left and right sides of the tub 10 so as to go around the left and right sides of the tub 10 as indicated by arrows in FIG. The water passes through the lower part of the tub 10 and is discharged from the opening 9 into the drainage part 5.

In the sink formed as described above,
Since the opening of the drain section is formed at least on the side surface of the step formed in the sink, the opening is not closed by a tub or the like used in the sink. It is done reliably.

Further, since the upper edge of the drain trap is formed in conformity with the shape of the opening formed at a predetermined location on the sink surface, the lower portion of the opening on the sink surface is drained without special processing. The trap facilitates molding of the sink, which can be easily covered in a water-sealed state. Therefore, various complicated openings can be formed in the sink surface.

Further, in this embodiment, since the upper opening of the drain trap 7 is covered with the cover 6, the trash basket 8 in the drain trap 7 and trash etc. held in the trash basket 8 can be externally provided. This makes it difficult to see, improves the appearance, and ensures that water, dust, and the like are discharged through the opening 9 in the guide groove 4, so that the drainage efficiency does not decrease.

Further, since the cover 6 normally constitutes a part of the bottom surface 2a of the sink 2, the washing scene of the sink 2 can be widely used and the drain cover 7 can be removed.
, The garbage basket 8 can be easily taken out during cleaning. In this embodiment, the cover 6 can be removed by inserting a hand through the opening 9 formed in the front side surface 4b of the guide groove 4 as shown in FIG. Further, if the refuse basket 8 is formed integrally with the cover 6, the removal of the refuse basket 8 is further simplified.

FIGS. 7 to 9 show a sink 2 according to another embodiment of the present invention. For example, as shown in FIG. Alternatively, it may be formed along one or both side surfaces 2c. Alternatively, as shown in FIG.
There is no problem even if the drainage portion 5 is provided so as to extend only along the line c.

Further, as shown in FIG. 9, a relatively large depression groove 11 is formed in a part of the bottom surface 2a of the sink 2, an opening is provided from the inner bottom surface of the depression groove 11 to the bottom surface 2a, and the upper opening is covered. It may be closed by the lid 6. Needless to say, the drop groove 23 may be formed at an arbitrary position on the bottom surface 2 a in the sink 2.

Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and even if there are changes and additions without departing from the gist of the present invention. Included in the invention.

[0026]

According to the present invention, the following effects can be obtained.

(A) According to the first aspect of the present invention, since the upper edge of the drain trap is formed according to the shape of the opening formed at a predetermined location on the sink surface, a special edge is formed around the opening edge of the sink surface. Without processing, it is possible to easily cover the lower part of the opening in a water sealed state with a drain trap,
The drainage from the large opening including the side surface W3 can be efficiently concentrated.

(B) According to the second aspect of the present invention, the cover can be formed in advance in accordance with the opening of the drain trap, so that it is not necessary to form the locking means of the cover on the peripheral edge of the opening of the sink surface, and the sink can be used. Molding becomes easy.

[0029]

[Brief description of the drawings]

FIG. 1 is an enlarged perspective view of a main part showing a sink to which the present invention is applied.

FIG. 2 is an enlarged perspective view of a main part of FIG.

FIG. 3 is a partially cutaway side view showing a sink lower structure.

FIG. 4 is a cross-sectional view illustrating a structure inside the sink.

FIG. 5 is a sectional view illustrating an operation corresponding to FIG. 4;

FIG. 6 is a plan view showing a drain state of the sink of FIG. 1;

FIG. 7 is a plan view illustrating a sink according to another embodiment of the present invention.

FIG. 8 is a plan view illustrating a sink according to another embodiment of the present invention.

FIG. 9 is a plan view illustrating a sink according to another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Sink 2 Sink 2a Bottom surface (upper sink surface) 2b Back side surface 2c (left and right) side surface 3 Faucet 4 Guide groove (step) 4a Front side surface 4b Bottom surface (lower sink surface) 5 Drainage unit 6 Cover lid 7 Drain trap 7a Slope section 8 Garbage basket 9 Opening (drainage section) 10 Trough 10a Bottom surface 11, 12 Flange section 13 Step section 14 Mounting ring 15 Pressing surface 16 Support piece 17 Notch groove 18 Support member 19 Support link 20 Shaft member 21 Press piece 22 Projection Piece 23 drop groove

Claims (2)

[Claims] At least one step is formed at a predetermined position on a sink surface, and an opening is formed on a side surface of the step, and a drain portion is formed on one or both of an upper surface and a lower sink surface of the step. A drain trap of a sink for a sink that is provided with an opening, wherein an upper edge portion of the drain trap includes an opening on a side surface of the step portion and all peripheral edges of an opening appropriately formed on an upper portion or a lower portion of the step portion. A drain / drain trap characterized in that it has a shape capable of abutting against a water seal. 2. The drain trap according to claim 1, wherein a locking means for locking a cover that covers a part of the opening of the drain trap is formed at an upper edge portion of the drain trap.