JPH06280294A - Structure for connecting urinal body and drain trap - Google Patents

Abstract

PURPOSE:To connect a drain trap formed as another body firmly onto the base of an urinal body in a watertight manner. CONSTITUTION:In connecting structure, in which a flange surface 2b formed to a drain trap 2 as another body is clamped and connected to a flange surface formed onto the base of an urinal body by bolts while interposing a gasket G, bolt grooves 2c shaped to the flange surface 2b are formed on the outer circumferential side of the gasket G. A butting projections 2d, 2d projected toward the flange surface side of the urinal body are formed near each bolt groove 2c, and notched recesses 2e are shaped among the abutting projections 2d, 2d.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for connecting a urinal body and a separate drain trap connected to the urinal body.

[0002]

2. Description of the Related Art Conventionally, some urinals have a trap portion 53 formed integrally with a drain outlet 52 of a urinal body 51, as shown in a side sectional view of a main portion of FIG. However, it is difficult to integrally form this trap portion 53. Therefore, in order to form and connect the trap portion separately, as shown in the cross-sectional configuration diagram of the main part of FIG. Adopting the trap connection structure, the flange portion 61b is integrally formed by projecting outward on the outer peripheral side of the drainage port 61a of the urinal body 61, while the upper end side of the drainage trap 62 projects outward. The flange portion 62a is integrally formed, and the flange portion 62a is different from the flange portion 62b.
, The bolt 63 is inserted with the seal material 65 interposed, the nut 64 is tightened to the bolt 63, and the drain trap 62 is connected to the drain port 61a of the urinal body 61. In the connection structure of No. 2, if the nut 64 is firmly tightened, there is a problem that the flange portion 61b or the flange portion 62a is damaged, and if the nut 64 is weakly tightened, the sealing property becomes poor. There was a problem that water was not sufficiently secured and leakage occurred.

[0003]

SUMMARY OF THE INVENTION The present invention has been devised in view of the above-mentioned problems of the prior art, and an object thereof is not to provide a connection structure exhibiting a good sealing property and capable of being firmly connected. The first gist of the invention is that the flange surface formed on the bottom surface of the urinal body and the flange surface formed on a separate drain trap are aligned with a gasket interposed, and both flange surfaces are provided with a plurality of bolts. In the connection structure for tightening and connecting with each other, a plurality of bolt holes for inserting the bolts formed in the both flange surfaces are formed on the outer peripheral side of the gasket, and the flange surface of the one side is provided in the vicinity of each bolt hole. That is, an abutting protrusion is formed to protrude from the other side toward the flange surface on the other side. A second gist is to provide a cutout recess partly cut out in the contact projection.

[0004]

[Function] When the flange surface of the drain trap formed as a separate body is tightened with a plurality of bolts with the gasket interposed between the flange surface of the bottom surface of the urinal body, the bolts are arranged on the outer peripheral side of the gasket, and the abutment protrusions are provided. Comes into contact with the flange surface on the other side, and since this abutment protrusion is provided near the bolt, the flange surface will not be damaged even if the bolt is tightened tightly, and the bolt is firmly tightened and the sealing performance of the gasket is improved. Can be secured. Further, if the contact projection is formed with a notched recess partly cut out, the gasket can escape to the notched recess side, that is, the outside when tightened, and the gasket can be effectively prevented from protruding to the drainage channel side. .

[0005]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of the urinal body, and FIG. 2 is a side view of the urinal body. The urinal body 1 has a sag receiving portion 1a projecting to the front side at a lower portion thereof, and a drain port 1b is vertically penetrated and opened on the bottom surface of the sag receiving portion 1a. The back part 1c of FIG. 1 is installed in the wall panel P in a semi-embedded form, and the drain port 1b is formed at the bottom part of the back part 1c, and as shown in the bottom view of FIG. A flange surface 1d is formed in a flat shape on the bottom side of 1c, and four rectangular bolt holes 1e, 1e, 1e, 1e are vertically arranged on the flange surface 1d so as to surround the drainage port 1b. It is formed in a penetrating shape. A bolt 3 is inserted into each of the bolt holes 1e, 1e, 1e, 1e, and a drain trap 2 is connected to the flange surface 1d via the bolts 3, 3, 3, 3.

The drain trap 2 is formed separately as shown in a perspective view of FIG. 4 and a plan view of FIG. 5, and is a trap portion 2A and a drain pipe portion communicating with the trap portion 2A. 2B, and the drain pipe portion 2B is integrally formed on the side portion of the trap portion 2A in a rising shape. A flat flange surface 2b is formed on the upper surface side of the trap portion 2A, and a trap hole 2a communicating with the trap portion 2A is formed at the center of the flange surface 2b. A gasket G is provided on the outer peripheral side of the trap hole 2a.
Is formed, and at the four outer peripheral corners of the flange surface 2b on the outer peripheral side of the gasket G, bolt grooves 2c, 2c, 2c, 2c open to the outside are formed. Contact projections 2d, 2d rising upward from the flange surface 2b at a predetermined interval are integrally formed between the contact projections 2c, 2c, and a cutout recess 2e continuous with the flange surface 2b is formed between the contact projections 2d, 2d. ing. Therefore, a pair of abutting protrusions 2d, 2d are formed near both sides of each bolt groove 2c.
2d is erected.

Such a drain trap 2 is attached to the flange surface 1d formed on the bottom of the urinal body 1 by a bolt 3
When connecting via, the head 3a of the bolt 3 is previously inserted into each bolt hole 1e of the urinal body 1 from below,
If the head portion 3a of the bolt 3 is formed in a rectangular shape similar to the bolt hole 1e, the head portion 3a is passed through the bolt hole 1e from below and rotated by 90 ° so that the head portion 3a can be rotated as shown in FIG. As shown in the partial sectional view, it is locked in the cavity S on the upper surface of the bolt hole 1e.

In this state, the nut 5 is tightened to the bolt 3 through the washer 4 to fix each bolt 3 in each bolt hole 1e in advance, and the four fixed bolts 3,
The bolt grooves 2c, 2c, 2c, 2c of the drain trap 2 are aligned from below with respect to 3, 3, 3 and the bolt 3 is inserted into each bolt groove 2c. At this time, a gasket G is attached to the outer circumference of the drainage port 1b of the urinal body, and the flange surface 2b of the drainage trap 2 is aligned with the flange surface 1d of the urinal body 1 with the gasket G interposed. In this state, by tightening the nut 8 on each bolt 3 from below through the packing 6 and the washer 7,
Both the flange surfaces 2b and 1d are connected with the gasket G sandwiched between the flange surface 2b and the flange surface 1d,
Since the contact projections 2d and 2d are provided near the bolts 3, respectively, even when the contact projections 2d and 2d come into contact with the flange surface 1d and the nut 8 is firmly tightened. Flange surfaces 1d, 2 due to the contact projections 2d, 2d
b is not damaged and the periphery of the bolt 3 is favorably reinforced.

Although the gasket G is crushed between the flange surfaces 2b and 1d by tightening the nut 8,
The gasket G can satisfactorily escape to the side of the cutout recess 2e formed between the contact projections 2d, that is, to the outside, and the gasket G can be satisfactorily prevented from protruding to the trap hole 2a side.

As shown in FIG. 6, the water sealing water W is always stored in the trap portion 2A.
Since the water collecting surface W1 is set at a position lower than the flange surface 2b of the drain trap 2, the gasket G is not submerged in water and has a structure capable of better preventing water leakage. In addition, in FIG. 6, M is a perforated plate which is detachably fitted into the drain port 1b.

As described above, in this embodiment, the bolt groove 2c is formed on the outer peripheral side of the flange surface 2b of the drain trap 2 formed as a separate body, and the contact projections 2d, 2d protruding upward are provided near the bolt 2c. Since it is formed integrally, even when the bolt 3 is firmly tightened when connecting to the flange surface 1d of the toilet body via the bolt 3, the contact protrusion 2 around the bolt 3
A strong connection structure can be obtained without damaging the flange surfaces 2b and 1d by being reinforced by d and 2d.

The contact projections 2d, 2d may be formed in a continuous shape, or may be formed in a hanging shape from the flange surface 1d side of the toilet body 1 side. In addition, if the notch recess 2e is formed between the contact protrusions 2d, the trap hole 2 of the sealing material such as the gasket G is formed.
The protrusion to the a side can be favorably prevented.

[0013]

According to the present invention, the flange surface formed on the bottom surface of the urinal body and the flange surface formed on the separate drain trap are aligned with a gasket interposed, and both flange surfaces are formed into a plurality of pieces. In a connection structure for tightening and connecting with bolts, a plurality of bolt holes for inserting the bolts formed on the both flange surfaces are formed on the outer peripheral side of the gasket, and the flange on one side is provided in the vicinity of each bolt hole. By forming the contact projections that project from the surface toward the flange surface on the other side, when tightening and connecting the bolts, the contact projections near the bolts contact between the flange surfaces to reinforce the periphery of the bolts. Since the flange surface is not damaged, the bolts can be firmly tightened to connect both flange surfaces, and a strong connection structure can be obtained. Further, by providing the contact projection with a notched recess partly cut away, when the bolt is tightened, the gasket escapes to the notched recess side and does not protrude to the inside, so that a good seal structure can be realized. Have.

[Brief description of drawings]

FIG. 1 is a front view of the urinal with a separate drain trap connected to the bottom surface.

FIG. 2 is a side configuration diagram of FIG.

FIG. 3 is a bottom view of the urinal body.

FIG. 4 is a perspective configuration diagram of a drain trap.

FIG. 5 is a plan view of a drain trap.

FIG. 6 is a partial cross-sectional view of an essential part showing the connection structure of the drain trap.

FIG. 7 is a side sectional configuration view of a urinal body in which a conventional trap portion is integrally structured.

FIG. 8 is a sectional view of an essential part showing a conventional connection structure for a separate drain trap.

[Explanation of symbols]

 1 Urinal body 1b Drain port 1c Back part 1d Flange surface 1e Bolt hole 2 Drain trap 2A Trap part 2B Drain pipe part 2a Trap hole 2b Flange surface 2c Bolt groove 2d Abutment protrusion 2e Notch recess 3 Bolt 3a Head 5,8 Nut W1 Distilled surface S Cavity G Gasket

Claims (2)

[Claims] 1. A flange surface 1d formed on the bottom surface of the urinal body 1 and a flange surface 2b formed on a separate drain trap 2 are aligned with a gasket G interposed therebetween,
In a connection structure in which both flange surfaces 1d, 2b are tightened and connected by a plurality of bolts 3, 3, 3, a plurality of bolt holes 1e for inserting the bolts 3, 3, 3 are formed in the flange surfaces 1d, 2b. 2c is formed on the outer peripheral side of the gasket G, and a contact projection 2d is formed near each bolt hole 2c so as to project from the one flange surface 2b toward the other flange surface 1d. Characteristic urinal body and drain trap connection structure. 2. The connection structure for a urinal body and a drain trap according to claim 1, wherein the contact projection 2d is provided with a notched recess 2e, which is partially notched.