KR200231559Y1 - Drain Units for Rooftop - Google Patents

Abstract

The present invention is coupled to the concrete slab in which the drain is formed in a non-fixed or partially fixed state, so that the waterproof layer fixed between the flange portion and the press cover of the body according to the crack and vibration of the concrete slab, the flange portion and the press cover The present invention relates to a rooftop drain unit that can prevent cracks in the waterproof layer adjacent to the end portion of the roof and easily maintain.

The present invention forms a cylindrical insertion portion 31 detachably inserted into the drain 11, and has a flange portion 33 formed on the insertion portion 31 upper end, the flange portion 33 The rainwater induction groove 45 is formed on the upper surface of the body 30 having a plurality of bolts 35 protruding from the upper surface, and the rainwater that swells along the outer circumference of the waterproof layer 20 and the press cover 40 to the drain hole. Is formed, is detachably fastened through a plurality of bolts 35 passing through the waterproof layer 20, the press cover 40 for fixing the waterproof layer 20 and the foreign matter flows into the drain hole (11). It is seated on the upper press cover 40 to prevent it from being, the lower end is characterized in that consisting of a foreign matter strainer 50 formed with a leaf spring 51 is elastically coupled to the inside of the body (30).

Description

Drain Units for Rooftop

The present invention relates to a roof drain unit, and in particular, because it is coupled in a non-fixed or partially fixed state to the concrete slab in which the drain is formed, a waterproof layer fixed between the flange portion and the press cover of the body cracks of the concrete slab And it is possible to prevent the occurrence of cracks in the waterproof layer which is in contact with the end of the flange portion and the press cover in accordance with vibration, and also relates to a roof drain unit that is easy to maintain.

In general, in order to prevent rainwater from seeping into the roof made of concrete slabs and leaking into the building, it is waterproofed by various waterproof methods.

Such waterproofing methods include waterproofing of the coating film and waterproofing of the sheet. Also, by mixing the waterproofing of the sheet and the waterproofing of the film, a hard metal sheet is installed on the bottom surface, and the waterproofing of the film is applied to the surface of the sheet. have.

In this case, a drain unit is installed on the rooftop to collect rainwater and the like as a drain.

The body 2 of the conventional drain unit is poured inside the drain hole 1a of the concrete slab 1 at the time of building construction as shown in FIG. 1, in which case the concrete slab 1 is cracked as the building ages. Or the body 2 is fixed to the concrete slab 1, and according to the difference in thermal expansion coefficient between the waterproof layer 5 and the concrete slab 1, the push cover coupled up / down about the waterproof layer 5 ( 3) and a crack is generated in the waterproof layer portion held by the flange portion 2a, that is, the waterproof layer portion 5a in contact with the end of the flange portion 2a and the press cover 3, and the crack portion is generated. There was a problem that the rain water leaks through the building interior.

In addition, in the prior art, in order to replace the body (2) in accordance with the aging of the body (2) in order to be poured together in the body (2) drain (1a), and also to remove the old body (2) from the drain, 2) Since the bolt part 6a is located inside the flange part 2a when the press cover 3 is coupled to the upper part, the work space for coupling the nut 6b to the bolt part 6a is easy to work. There was a problem that the maintenance is cumbersome and the work efficiency is deteriorated accordingly.

In FIG. 1, reference numeral 4 denotes a foreign matter filtering net seated on the upper side of the pressing cover to filter other dirt other than rainwater.

The present invention is to solve the above problems, the purpose of the non-fixed or partially fixed state to the concrete slab in which the drainage is formed, the waterproof layer is fixed between the flange portion and the press cover of the body is concrete The present invention provides a rooftop drain unit that can prevent cracks from occurring in the waterproof layer that is in contact with the flange portion and the end of the press cover due to the crack and vibration of the slab.

Another object of the present invention can be easily removable from the drain without a separate operation when replacing the body, and after replacing the new body, simply press the cover for fixing the waterproof layer on the top of the body for easy maintenance It is to provide a rooftop drain unit that can be.

1 is a schematic cross-sectional view showing a conventional roof drain unit fixedly installed at a drain;

2 is an exploded perspective view illustrating a roof drain unit according to the present invention;

Figure 3 is a schematic cross-sectional view showing a state in which the body of the roof drain unit according to the present invention is detachably installed in the drain opening,

Figure 4 is an exploded perspective view showing a state in which the body of the roof drain unit according to the present invention is partially fixed to the drain.

* Description of the symbols for the main parts in the drawings *

10: concrete slab 11: drain

13: fixing hole 20: waterproof layer

30: body 31: insert

33: flange portion 35: bolt portion

37: fastening hole 39: nut

40: press cover 41: through hole

43: coupling hole 45: guide groove

50: foreign matter screen 51: leaf spring

60: fixing piece

In order to achieve the above object, the present invention is in the roof drainage unit for interlocking with the waterproof layer in the drain on the roof bottom surface to collect rainwater, etc. as a drain, to form a cylindrical insert that is detachably inserted into the drain And a flange portion formed at an upper end of the insert portion, the body having a plurality of bolt portions protruding from the upper surface of the flange portion, and rainwater induction grooves formed on the upper surface of the rainwater to be guided along the outer circumference of the waterproofing layer and the pressing cover to the drain hole. Is formed, is detachably fastened through a plurality of bolts penetrating the waterproof layer and a press cover for fixing the waterproof layer, and is seated on the upper press cover to prevent foreign matter from flowing into the drain hole, the bottom is It is composed of a foreign matter mesh formed with a leaf spring elastically coupled inside the body. A rooftop drain unit is provided.

In this case, the body is fixed through the plurality of fixing pieces to form a flange around the drain hole, the body is partially fixed to the drain hole.

(Example)

When described in detail with reference to the accompanying drawings showing a rooftop drain unit according to the present invention as follows.

Figure 2 is an exploded perspective view showing a rooftop drain unit according to the present invention, Figure 3 is a schematic cross-sectional view showing a state in which the body of the rooftop drain unit according to the present invention detachably installed in the drain, Figure 4 is the present invention It is an exploded perspective view showing a state in which the body of the roof drain unit according to the present invention is partially fixed to the drain.

First, as shown in the accompanying drawings, the insertion portion 31 of the body 30 inserted into the drain 11 is formed smaller than the diameter of the drain 11 and is detachably inserted into the drain 11. It consists of a cylindrical shape, the flange portion 33 which is seated in the groove 15 formed around the drain hole is formed on the upper end of the insertion portion 31.

In this case, a plurality of bolts 35 protrude at predetermined intervals along the circumference of the flange 33.

In addition, the press cover 40 corresponding to the upper surface of the flange portion 33 to grip the waterproof layer 20 has a through hole 41 formed at the center thereof, and corresponds to the plurality of bolts 35. A plurality of engaging holes 43 are arranged at intervals.

Meanwhile, as shown in FIG. 3, as the press cover 40 is seated on the upper surface of the waterproof layer 20, a groove 70 having a height of the thickness of the press cover 40 is formed along the outer circumference of the press cover 40. In this case, a plurality of rainwater guide grooves 45 for guiding rainwater accumulated in the grooves 70 into the drainage holes are formed at predetermined intervals on the upper surface of the press cover 40.

As shown in FIG. 3, the press cover 40 is fixed by a plurality of nuts 39 while a plurality of bolts 35 penetrating the waterproof layer 20 are inserted into the plurality of coupling holes 43.

In this case, when a crack occurs in the concrete slab 10 due to frequent accumulation or aging of the vibration, the body 30 and the press cover 40 maintain the gripped state of the waterproof layer 20 while the body 30 is at the same time. A crack is generated in the waterproof layer which is in contact with the end of the flange portion 33 and the press cover 40 because it is detachably inserted into the drain 11, that is, it is not fixed to the concrete slab 10 and remains independent. Can be prevented.

In addition, the debris filter mesh 50 for detachably coupled to the upper end of the body 30 to prevent foreign substances from flowing into the drain 11 is formed with a leaf spring 51 at its lower end, and the leaf spring ( 51 may be elastically coupled to the inside of the body 30 to firmly couple the foreign matter sieve 50 to the body 30.

The body 30, the pressing cover 40 and the foreign matter sieve 50 is made of any one or a plurality of FRP, stainless steel, EVA, PE, PVC, copper plate.

Meanwhile, as shown in FIG. 4, the body 30 forms a plurality of fastening holes 37 in the flange portion 33, and a plurality of fixing pieces 60 are formed in the coupling hole 37 and the recess 15. As the flange portion 33 is fixed to the groove 15 by fastening to the fixing hole 13, the body 30 may be partially fixed to the concrete slab 10 as a whole. In this case, the body 30 is maintained in a state that is not mutually fixed with the concrete slab 10.

Therefore, as the body 30 is coupled to the drain 11 in a non-fixed or partially fixed state with the concrete slab 10 in which the drain 11 is formed, the flange portion 33 and the pressing cover 40. The waterproof layer 20 fixed between the cracks and vibrations of the concrete slab prevents cracks from occurring in the waterproof layer contacting the ends of the flange part 33 and the press cover 40, so that rainwater leaks into the building. Can be prevented.

In addition, in the case of remodeling / repair according to the aging of a conventionally installed drain unit, it is not necessary to separate the body of the conventional drain unit from the concrete slab 10, and to install the drain unit according to the present invention directly on the conventional body. This can shorten the working time and increase work efficiency.

In the present invention described above, cracks can be prevented from occurring in the waterproof layer that is in contact with the end portion of the flange portion and the press cover according to the crack and vibration of the concrete slab, and there is an advantage in that it can be easily repaired or repaired. .

In the above, the present invention has been illustrated and described with reference to specific preferred embodiments, but the present invention is not limited to the above-described embodiments and the general knowledge in the technical field to which the present invention belongs without departing from the spirit of the present invention. Various changes and modifications will be possible by those who have the same.

Claims (2)

In the roof drainage unit, which is installed in the drain on the roof bottom surface and is engaged with the waterproof layer, to collect rainwater, etc. into the drain, A cylindrical insert 31 is detachably inserted into the drain port 11, and a flange portion 33 is formed on the upper portion of the insert portion 31, and a plurality of flange portions 33 are provided on the upper surface of the flange portion 33. The bolt part 35 of the body 30 is formed to protrude, Rainwater guide grooves 45 are formed on the upper surface of the waterproof layer 20 and the pressure cover 40 to guide rainwater that collects along the outer circumference of the waterproof layer 20, and the plurality of bolts 35 penetrating the waterproof layer 20. Removably fastened through the pressing cover 40 for fixing the waterproof layer 20, The foreign matter strainer 50 is seated on the upper side of the pressing cover 40 to prevent foreign substances from flowing into the drain hole 11, and a leaf spring 51 is formed on the lower surface of the body to be elastically coupled to the inside of the body 30. Rooftop drain unit, characterized in that consisting of. The roof drain according to claim 1, wherein the body 30 is formed by fixing a flange portion 33 around a drain hole through a plurality of fixing pieces 60, so that the body 30 is partially fixed to the drain hole. unit.