KR200413816Y1 - Roof Drains - Google Patents

Abstract

The present invention relates to a triple roof drain, and in particular, a rooftop slab upper surface composed of a multi-layered concrete layer, insulation layer, and plastering layer allows for smooth drainage of sewage and rainwater without residual water, and condensation water generated in the insulation layer. The present invention also relates to a triple roof drain that can be firmly installed in the slab layer.

Features of the present invention for achieving the above object is a rooftop slab made of a concrete layer (S1), the first waterproofing layer (S2), the insulation layer (S3), the second waterproofing layer (S4) and plastering layer (S5). The first body of the hollow type is embedded in (S) is connected to the upper end of the drain pipe (P) in which the sewage and rainwater on the slab flows and the flange portion 12 is formed around the buried in the concrete layer (S1) ( 10) and the hollow blocking portion 21 inserted into the upper end of the first body to block the sewage and rainwater on the rooftop slab from flowing into the insulation layer S3 and leading to the first body 10. The second body 20 is integrally formed on the outer circumference of the upper end of the blocking part and embedded in the heat insulating material layer S3, the flange part 22 being embedded to expose the upper surface of the slab S. 2 consisting of a drain cap 30 coupled to the body 20 and formed with a plurality of drain holes 31 around In the equation loop drain,

Around the inner circumferential surface of the upper end of the blocking portion 21 of the second body, the depression 23 is formed so that the lower end of the drain cap 30 is seated,

The recessed upper end 23a and the drain hole lower end 31a are collinear with the flange upper surface 21a so that sewage and rainwater flowing along the flange upper surface 22a are led to the blocking part 21. Located at or lower than

On the outer circumferential surface of the blocking portion 21 of the second body, there is a triple roof drain in which a rib or groove-shaped drainage passage 21a is formed to guide the condensation water generated in the heat insulating material layer to the inner circumference of the first body 10. .

Rooftop, Drain, Roof Drain, Drain

Description

Triple Drains

1 is an exploded perspective view showing a conventional triple loop drain.

2 is a cross-sectional view taken along the line A-A of FIG.

3 is a cross-sectional view taken along the line B-B of FIG.

Figure 4 is an exploded perspective view showing a triple loop drain of the present invention.

5 is a cross-sectional view showing an installation state of the triple loop drain of the present invention.

Figure 6 is a cross-sectional view of the installation state showing another embodiment of the present invention.

Figure 7 is a cross-sectional view showing an application example in the connecting portion of the present invention.

* Description of the main parts of the drawings *

10: first body 11: connecting portion 12: flange portion

13: seating portion 14: support ring 15: coupling member

20: second body 21: blocking portion 22: flange portion

23: depression

30: drain cap 31: drain hole

The present invention relates to a triple roof drain, and in particular, the top surface of the rooftop slab composed of a multi-layered concrete layer, insulation layer and plastering layer to allow the sewage and rainwater to be drained smoothly without residual water, and also to allow the dew condensation generated in the insulation layer to be smoothly drained. The present invention also relates to a triple roof drain that can be firmly installed in the slab layer.

In general, the roof drain serves to drain rainwater and sewage on the rooftop slab through a drain pipe embedded in the slab layer.

The structure of the conventional triple loop drain is as shown in Figures 1 to 3,

The concrete layer (S1), the first waterproofing layer (S2), the heat insulating material layer (S3), the second waterproofing layer (S4) and the plastering layer (S5) is sequentially introduced from the rooftop slab (S) sequentially stacked from below To drain sewage, rainwater, etc.

A first hollow body 10 coupled to an upper end of the drain pipe P embedded in the concrete layer S1;

A hollow second body 20 inserted into an upper end of the first body 10 to block filthy water and rainwater on the rooftop slab from flowing into the heat insulating material layer, and guide the first body 10 to the first body;

It is coupled to the second body 20 is formed with a plurality of drain holes 31 on the circumference, a plurality of fastening portion 33 is formed in the lower circumference;

In particular, the first body 10, the screw thread (11a) is formed on the inner peripheral surface to be screwed with the screw thread (P1) formed on the outer peripheral surface of the drain pipe (P) and drainage and rainwater on the rooftop slab flowing into the drain cap Hollow connection portion 11 to guide to, the flange portion 12 is formed extending from the hollow connection portion upper portion embedded in the concrete layer (S1), and the seating portion 13 formed around the inner top of the connection portion And, the first waterproof layer (S2) on the concrete layer consists of a support ring 14 is inserted and pressed after being seated on the seating portion (13).

The second body 20 sequentially penetrates through the heat insulating material layer S3 and the first waterproofing layer S2, and has a lower end inserted into an inner circumference of the upper end of the connection part 11 of the first body to flow into the drain cap 30. The sewage and rainwater on the rooftop slab to be prevented from flowing into the heat insulating material layer (S3), the hollow block 21 to guide to the connection portion 11, and formed extending from the block 21 above the The flange portion 22 embedded in the plastering layer (S5) and protruding upward from the upper surface (22a) of the flange portion is seated on the bottom of the drain cap 30, but the fastening portion 33 is mounted so as not to rotate It is composed of a protruding jaw portion 24 having a plurality of mounting grooves (24a).

In addition, the mutual coupling of the first body 10, the second body 20 and the drain cap 30 is inserted into the fastening hole (33a) formed on the upper surface of the fastening portion 33 of the drain cap (30). The bolt (b) corresponds to the through hole (22b) formed to correspond to the fastening hole on the upper surface (22a) of the second body flange, and corresponds to the through hole (22b) on the upper surface of the first body support ring (14) In order to penetrate through the fastening hole (14a) is formed so as to be screwed to the fastening hole (13a) formed corresponding to the fastening hole in the seating portion 13 of the first body.

The conventional triple loop drain is configured to guide the sewage and rainwater introduced to the rooftop slab upper surface along the drain hole 31 of the drain cap 31 to the connecting portion 11 of the first body to drain through the drain pipe (P). It is.

This conventional triple loop drain has the following problems.

First, since the lower end of the drain hole 31 is located higher than the flange portion 22 and the roof top slab upper surface of the second body, the height difference (h) between the bottom of the drain hole and the roof top slab (as shown in FIGS. 2 and 3). Sewage and rainwater can not be drained, there is a problem that remains as a residual.

Second, the dew condensation water generated in the insulation layer (S3) due to the temperature difference between the inside and outside, there is no gap between the outer peripheral surface of the blocking portion 21 and the inner peripheral surface of the connecting portion 11 so that the condensation water remains in the insulation layer as it is. There is a problem.

Third, since the buried portion of the flange portion of the first body embedded in the concrete layer is not flat and firmly embedded in the rooftop slab layer, there is a problem that it is easily detached.

Therefore, the present invention has been made to solve the above problems, it is possible to smoothly guide the drain pipe so that the remaining water on the rooftop slab when draining, it is also possible to guide the condensation water generated in the insulation layer to the drain pipe, It is to provide a triple loop drain that can be firmly installed in the slab.

Features of the present invention for achieving the above object is embedded in a rooftop slab consisting of a concrete layer, a first waterproofing layer, a heat insulating material layer, a second waterproofing layer and a plastering layer to the top of the drain pipe that the sewage and rainwater on the slab flows in Is connected to the flange portion is formed around the hollow first body is embedded in the concrete layer, and inserted into the upper end of the first body to block the sewage and rainwater on the roof slab to enter the heat insulating material layer and the first A second body embedded in the heat insulating material layer and comprising a hollow block part leading to the body and a flange part integrally formed on an outer circumference of the upper end of the block part so as to expose the upper surface to the slab; In the triple loop drain consisting of a drain cap coupled to and formed with a plurality of drain holes around,

Around the inner circumferential surface of the upper end of the blocking portion of the second body, a depression is formed so that the bottom of the drain cap is seated,

The upper end of the depression, and the lower end of the drain hole is located on the same line or lower than the upper surface of the flange portion, so that the sewage and rainwater flowing along the upper surface of the flange portion is guided to the blocking portion,

On the outer peripheral surface of the blocking portion of the second body, there is a triple roof drain having a rib or groove-shaped drainage path formed to guide the condensation water generated in the heat insulating material layer to the inner circumference of the first body.

Hereinafter, a configuration of the present invention will be described with reference to FIGS. 4 to 7.

Figure 4 is an exploded perspective view showing a triple loop drain of the present invention, Figure 5 is an installation state sectional view showing a triple loop drain of the present invention, Figure 6 is an installation state sectional view showing another embodiment of the present invention. 7 is a cross-sectional view showing an application example in the connecting portion of the present invention.

As shown in the accompanying drawings, the triple loop drain of the present invention includes a first body 10, a second body 20 screwed to an upper side of the first body, and a drain cap 30 seated on the second body. ), And the overall structure of each component is similar to the conventional triple loop drain described above.

However, the triple loop drain of the present invention has the following improvements for each part.

First, as shown in FIG. 5, the first body 10 forms concave-convex portions 12b in the embedding portion of the concrete layer S1 of the rooftop slab S of the flange portion 12, and thus the concrete layer S1. In the case where the first body 10 is installed in the buried unit, it is preferable to increase the contact surface between the concrete layer S1 and the buried portion 12 so as to be more firmly embedded.

In particular, the concave-convex portion 12b is formed in a plurality of cross-sections on the lower surface of the flange portion 12 in a square or triangle (not shown) to enlarge the contact area with the concrete layer and to increase the binding force. desirable.

In addition, as shown in FIG. 6, the inclined chamfer or concave chamfer 12c is formed on the outer circumference of the flange portion 12 so as to increase the contact surface with the slab S, and the rooftop slab and its installation area. Increase and the binding force can be increased.

5 and 6, the second body 20 is formed with a recess 23 so that the bottom of the drain cap 30 is seated around the inner peripheral surface of the upper portion of the blocking portion 21, wherein the upper portion of the recess 23a and the lower end of the drain hole 31a are located on the same line as the upper surface of the flange part 22a, or the lower end of the recess 23a and the lower end of the drain hole 31a are positioned lower than the upper surface of the flange part 22a. It is preferable that the sewage and rainwater flowing along the upper surface 22a of the flange portion are guided to the inner circumference of the blocking portion 21 without disturbing the flow.

In addition, on the outer circumferential surface of the second body blocking portion 21 to guide the condensation water generated in the heat insulating material layer S3 to the connecting portion 11 so as to be drained to the metal drain pipe P, forming a drainage passage 21a. It is preferable.

In particular, the drain passage 21a is preferably formed of a plurality of ribs or grooves on the outer peripheral surface of the blocking portion 21.

This is to give a certain gap between the outer peripheral surface of the blocking portion 21 and the inner peripheral surface of the connecting portion 11 so that the condensation water flows into the inner peripheral surface of the connecting portion 11 along the drainage passage 21a to be drained into the drain pipe.

In addition, the mutual coupling between the first body 10 and the second body 20, through-hole 22b formed in the upper surface 22a of the second body flange portion, and the first body support ring 14 In order to penetrate through the fastening hole 14a which is formed to correspond to the through hole 22b in the upper surface in order to the fastening hole 13a formed corresponding to the fastening hole 14a in the seating portion 13 of the first body. Screwed together,

The drain cap is to be seated in the recess 23 of the second body as described above.

For reference, as shown in FIG. 7, when the drain pipe is a synthetic resin material, the connection part 11 is inserted into the upper inner circumferential surface of the drain pipe P having the upper outer circumferential surface inserted into the coupling member 14 to be crimped with the drain pipe.

The triple loop drain according to the present invention configured as described above flows along the upper surface 22a of the flange portion of the second body while the sewage and rainwater introduced on the slab S flow into the drain hole 31, wherein the bottom of the drain hole 31a ) Is located on the same line as the upper surface of the flange portion 22a or the lower end of the drain hole 31a is located lower than the upper surface of the flange portion 22a, so that the sewage and rainwater flowing smoothly without resistance, and then the blocking portion 21 Passing along the inner circumference of the connection portion 11 inner circumference in order to be drained smoothly to the drain pipe.

In addition, the condensation water generated in the heat insulating material layer (S3) is collected in the drainage passage (21a), and then flows through the drainage passage is led to the drainage pipe (P) through the connection portion 11 is smoothly drained.

As described above, the triple roof drain according to the present invention prevents residual water on the rooftop slab during drainage of rooftop sewage and rainwater, and enables smooth drainage, and is firmly installed on the rooftop slab, and condensation water generated in the insulation layer is The effect is to drain smoothly.

Claims (3)

Sewage and rainwater on the slab are embedded in the rooftop slab (S) consisting of the concrete layer (S1), the first waterproofing layer (S2), the heat insulating material layer (S3), the second waterproofing layer (S4) and the plastering layer (S5). Is connected to the upper end of the drain pipe (P) is introduced into the flange portion 12 is formed around the hollow first body 10 is embedded in the concrete layer (S1) and is inserted into the upper end of the first body The sewage and rainwater on the rooftop slab block the inflow into the heat insulating material layer (S3) and is formed integrally extending integrally to the outer periphery of the upper end of the block and the hollow block 21, leading to the first body 10 The second body 20 is embedded in the heat insulating material layer (S3) consisting of a flange portion 22 is embedded so that the upper surface is exposed to the slab (S), and the plurality of circumference of the second body 20 In the triple loop drain consisting of a drain cap 30, the drain hole 31 is formed, Around the inner circumferential surface of the upper end of the blocking portion 21 of the second body, the depression 23 is formed so that the lower end of the drain cap 30 is seated, The depression upper end 23a and the drain hole lower end 31a are co-linear with the flange upper surface 21a so that sewage and rainwater flowing along the flange upper surface 22a are led to the blocking portion 21. Located at or lower than Triple-circuit characterized in that the outer peripheral surface of the blocking portion 21 of the second body, a rib or groove-shaped drainage passage 21a is formed to guide the condensation water generated in the heat insulating material layer to the inner circumference of the first body 10. Roof drain. The method of claim 1, The first body flange portion 12, the roof drain, characterized in that the concave-convex (12b) is formed in the roof-top slab embedded portion. The method of claim 1, And a chamfer (12c) on the outer circumference of the first body flange portion (12) so as to increase the contact surface with the rooftop slab.

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