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CN-224213661-U - Leakage-proof structure for rear opening of roof

CN224213661UCN 224213661 UCN224213661 UCN 224213661UCN-224213661-U

Abstract

The utility model relates to a leakage-proof structure for a rear opening of a roof, which comprises a roof layer, wherein a hole for oil smoke exhaust or gas exhaust is formed in the roof layer, a water-swelling water stop bar is fixedly arranged on the roof layer close to the side wall around the hole, a circle of water-blocking concrete blocks are poured on the roof layer and around the hole, the water-swelling water stop bar is positioned between the water-blocking concrete blocks and the roof layer, the inner side wall of the water-blocking concrete blocks is flush with the side wall of the hole, a waterproof coating layer is brushed between the outer side wall of the water-blocking concrete blocks and the roof layer, a reinforcing layer is arranged on the roof layer, one side of the reinforcing layer is abutted against the outer side wall of the water-blocking concrete blocks, and a waterproof structure layer is arranged between the reinforcing layer and the outer side wall of the water-blocking concrete blocks.

Inventors

  • REN YING
  • ZHU LIQIN
  • ZHENG HUI
  • YU SHICHAO
  • JIN HAISONG
  • LIAN JING
  • LIU JUNKAI

Assignees

  • 宁波市工业建筑设计研究院有限公司

Dates

Publication Date
20260508
Application Date
20250606

Claims (6)

  1. 1. A leakage-proof structure with holes behind a roof comprises a roof layer (1) and is characterized in that a hole (2) for oil smoke exhaust or gas exhaust is formed in the roof layer (1), a water-swelling water stop strip (3) is fixedly arranged on the roof layer (1) and close to the peripheral side wall of the hole (2), a circle of water-blocking concrete block (4) is poured on the roof layer (1) and surrounds the periphery of the hole (2), the water-swelling water stop strip (3) is located between the bottom surface of the water-blocking concrete block (4) and the upper surface of the roof layer (1), the inner side wall of the water-blocking concrete block (4) is flush with the side wall of the hole (2), a waterproof paint layer (5) is brushed between the outer side wall of the water-blocking concrete block (4) and the roof layer (1), a reinforcing layer (6) is arranged on the roof layer (1), one side of the reinforcing layer (6) abuts against the outer side wall of the water-blocking concrete block (4), and a water-blocking structure (7) is arranged between the water-blocking concrete block (4).
  2. 2. The leakage-proof structure for the rear opening of the roof according to claim 1, wherein the reinforcing layer (6) comprises a foam concrete layer (61), an insulation layer (62) and a concrete layer (63), the foam concrete layer (61) is attached to the roof layer (1), the insulation layer (62) and the concrete layer (63) are sequentially overlapped on the foam concrete layer (61), and the waterproof structure layer (7) is arranged between the waterproof coating layer (5) and the bottoms of the insulation layer (62) and the side walls of the concrete layer (63).
  3. 3. The leakage-proof structure for the rear opening of the roof according to claim 2, wherein the waterproof structure layer (7) comprises a first waterproof layer (71) and a second waterproof layer (72), the first waterproof layer (71) is arranged on the foam concrete layer (61), the second waterproof layer (72) is arranged on the outer side wall of the water-retaining concrete block (4), one end of the second waterproof layer (72) is overlapped with the first waterproof layer (71), and the other end of the second waterproof layer (72) is fixed on the outer side wall of the water-retaining concrete block (4) through a head collecting nail (8).
  4. 4. The leakage preventing structure for a rear opening of a roof according to claim 3, wherein the waterproof structure layer (7) further comprises an ointment caulking strip (73), and the ointment caulking strip (73) is arranged among the concrete layer (63), the heat insulating layer (62) and the second waterproof layer (72).
  5. 5. The leakage-proof structure for a rear opening of a roof according to claim 1, wherein the cross section of the water-retaining concrete block (4) is L-shaped, the first vertical outer side surface of the water-retaining concrete block (4) abuts against the reinforcing layer (6), and the upper plane of the water-retaining concrete block (4) is flush with the upper plane of the reinforcing layer (6).
  6. 6. The leakage-proof structure for the rear opening of the roof according to claim 1, wherein the side walls around the hole (2), the inner side walls of the water-retaining concrete block (4) and the bottom surface of the roof layer (1) are all brushed with a waterproof coating layer (5).

Description

Leakage-proof structure for rear opening of roof Technical Field The utility model belongs to the technical field of leakage prevention of roof opening, and particularly relates to a leakage prevention structure of a roof rear opening. Background At present, villas, house attic and attic of various markets can be improved on roofs for a long time, for example, kitchen fume exhaust improvement, bathroom fume exhaust improvement and the like, and the original fume exhaust ports or air exhaust ports are all moved at certain positions due to the change of structural arrangement in the houses, so that the fume exhaust ports or the air exhaust ports are required to be improved on the roofs, but when the roof is opened in a new hole, such as a waterproof measure is not in place for a long time, certain water leakage problem exists, repeated construction is conducted to prevent water, and the phenomena of overhigh cost and unstable structure occur. Disclosure of utility model The utility model aims to overcome the defects in the prior art and provide a leakage-proof structure with a stable structure and reliable waterproof performance for a rear opening of a roof. The utility model aims at solving the problems that the leakage-proof structure with holes behind the roof comprises a roof layer, wherein holes for oil smoke exhaust or gas exhaust are formed in the roof layer, water-swelling water stop bars are fixedly arranged on the roof layer close to the peripheral side walls of the holes, a circle of water-blocking concrete blocks are poured on the roof layer and surround the periphery of the holes, the water-swelling water stop bars are positioned between the bottom surface of the water-blocking concrete blocks and the upper surface of the roof layer, the inner side walls of the water-blocking concrete blocks are level with the side walls of the holes, a waterproof paint layer is brushed between the outer side walls of the water-blocking concrete blocks and the roof layer, a reinforcing layer is arranged on the roof layer, one side of the reinforcing layer is abutted against the outer side walls of the water-blocking concrete blocks, and a waterproof structure layer is arranged between the reinforcing layer and the outer side walls of the water-blocking concrete blocks. Compared with the prior art, the waterproof structure has the advantages of stable structure and reliable waterproof performance by forming holes in the roof layer, arranging the water retaining concrete blocks and the reinforcing layers around the holes and arranging the waterproof structure between the water retaining concrete blocks and the reinforcing layers. Preferably, the reinforcing layer comprises a foam concrete layer, a heat preservation layer and a concrete layer, wherein the foam concrete layer is attached to the roof layer, the heat preservation layer and the concrete layer are sequentially overlapped on the foam concrete layer, the waterproof structure layer is arranged between the waterproof coating layer and the bottom of the heat preservation layer and the side wall of the concrete layer, and through the arrangement of the structure, the heat preservation effect of the roof layer is better, and the waterproof effect of the roof layer is further improved. Preferably, the waterproof structure layer comprises a first waterproof layer and a second waterproof layer, the first waterproof layer is arranged on the foam concrete layer, the second waterproof layer is arranged on the outer side wall of the water retaining concrete block, one end of the second waterproof layer is overlapped with the first waterproof layer, the other end of the second waterproof layer is fixed on the outer side wall of the water retaining concrete block through a head collecting nail, and through the arrangement of the structure, the waterproof effect between the water retaining concrete block and the reinforcing layer is better. Preferably, the waterproof structure layer further comprises an ointment caulking strip, wherein the ointment caulking strip is arranged among the concrete layer, the heat insulation layer and the second waterproof layer, and through the arrangement of the structure, the waterproof performance between the concrete layer and the heat insulation layer and the waterproof concrete block is better, and double waterproof protection is formed between the waterproof structure layer and the second waterproof layer. Preferably, the cross section of the water retaining concrete block is L-shaped, the first vertical outer side surface of the water retaining concrete block is propped against the reinforcing layer, the upper plane of the water retaining concrete block is flush with the upper plane of the reinforcing layer, and the water retaining concrete block is arranged to enable the bottom to be flush with the upper plane of the reinforcing layer and the waterproof structure layer, so that the leakage-proof effect is achieved, and meanwhile the