Roof rear opening waterproof structure

Abstract

A roof post-opening waterproof structure comprises a roof panel, a backfill layer is laid on the roof panel, an original reserved waterproof layer covers the backfill layer, a post-opening is formed in the roof panel, a post-pouring side wall is arranged on the inner wall of the post-opening, a side hole is formed in the wall face of the post-pouring side wall, and a post-pouring top plate is arranged on the post-pouring side wall. A water stop strip is arranged between the post-pouring side wall and the inner wall of the backfill layer, a hole waterproof roll is arranged on the backfill layer, and a side wall waterproof roll is arranged between the hole waterproof roll and the outer wall of the post-pouring side wall. By arranging the post-cast side wall and the post-cast top plate in the post-open hole and optimizing the arrangement of the hole waterproof roll and the side wall waterproof roll, the contact area between the joint and rainwater is reduced, the problem of water seepage caused by poor joint construction quality is solved, the waterproof capacity of the post-open hole of the roof panel is improved, and then the possibility of water seepage of the roof is reduced; and the requirement of roof facility arrangement is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to roof waterproof technology field especially, it relates to a roof rear hole waterproof structure. BACKGROUND

[0002] If the roof structure is completed and needs to increase roof photovoltaic board, arranges cable bridge frame and so on roof component, needs to set up hole on the roof panel, makes the cable line in the house from the hole to the outside, has set up the hole and the joint place without doing the waterproof treatment properly, often there is the problem of seepage, thereby leading to rainwater easily seeping into the house. SUMMARY

[0003] The utility model discloses a kind of roof rear hole waterproof structures for overcoming the shortcomings of prior art, reduce the contact area of joint place and rainwater, improve the waterproof capability of roof panel rear hole.

[0004] The technical scheme of a kind of roof rear hole waterproof structure of the utility model is: including roof panel, backfill layer is laid on roof panel, backfill layer is covered with original reserved waterproof layer, rear hole is set up on roof panel, the inner wall of rear hole is provided with post-poured side wall, side hole is set up on the wall face of post-poured side wall, post-poured top plate is set up on post-poured side wall, waterstop is set between the inner wall of post-poured side wall and backfill layer, hole waterproof roll material is set on the upper surface of backfill layer, and side wall waterproof roll material is set between the outer wall of post-poured side wall and the upper surface of hole waterproof roll material.

[0005] Further, the top of the post-poured top plate is a conical surface.

[0006] Further, one end of the hole waterproof roll material is located on the upper surface of the original reserved waterproof layer, and the overlapping width W1 of the two is greater than 100mm, and the other end of the hole waterproof roll material is in contact with the post-poured side wall.

[0007] Further, one end of the side wall waterproof roll material is located on the upper surface of the hole waterproof roll material, and the overlapping width W2 of the two is greater than 100mm, and the other end of the side wall waterproof roll material is located in the inner recessed opening of the lower part of the side hole.

[0008] The utility model discloses a kind of roof rear hole waterproof structures, which has the beneficial effects that: by setting post-poured side wall and post-poured top plate in rear hole, and optimizing the arrangement of hole waterproof roll material and side wall waterproof roll material, the area of contact between joint and rainwater is reduced, the problem of seepage caused by poor construction quality of joint is solved, the waterproof capability of roof panel rear hole is improved, thereby reducing the possibility of roof seepage, meeting the demand of roof facility arrangement. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the structure schematic view of a kind of roof rear hole waterproof structure of the utility model. DETAILED DESCRIPTION

[0010] The utility model relates to a kind of roof rear hole waterproof structure, as shown in Figure 1 The utility model discloses a kind of roof rear hole waterproof structure, mainly in the rear hole 4 inner wall of roof panel 1 using plain concrete pouring rear pouring side wall 5 (because no stress requirement, the width of rear pouring side wall 5 can be with roof panel 1 same thickness), between the inner wall of rear pouring side wall 5 and backfill layer 2 set waterstop 8, and rear pouring side wall 5 in it is set side hole 6, the top of rear pouring side wall 5 is poured with reinforced concrete and pours rear roof 7, and the top of rear pouring roof 7 is designed as taper face 11, then set hole waterproof roll material 9 on the upper surface of backfill layer 2, between the outer wall of rear pouring side wall 5 on hole waterproof roll material 9 and set side wall waterproof roll material 10 (hole waterproof roll material 9 and side wall waterproof roll material 10 can use pitch roll material or macromolecular roll material etc.), cable 12 in house can be connected to outside by rear hole 4 and side hole 6, and bridge frame and other materials can be installed above cable outside according to path.This scheme a kind of roof rear hole waterproof structure, by setting rear pouring side wall 5 and rear pouring roof 7 in rear hole 4, and optimizing the arrangement of hole waterproof roll material 9 and side wall waterproof roll material 10, reduce the area of joint and rainwater contact, solve the problem that poor joint construction quality leads to water seepage, improve the waterproof capacity of roof panel rear hole, to reduce the possibility of roof water seepage, meet the demand of roof facility arrangement.

[0011] Further, the top of rear pouring roof 7 is taper face 11.Rear pouring roof 7 can protrude on both sides of rear pouring side wall 5, and the top surface of rear pouring roof 7 is designed as two-side inclined inclined surface 11, so that falling rainwater cannot enter hole and joint.

[0012] Further, one end of hole waterproof roll material 9 is located on the upper surface of original reserved waterproof layer 3, and the overlapping width W1 of the two is greater than 100mm, and the other end of hole waterproof roll material 9 is in contact with rear pouring side wall 5.

[0013] Further, one end of side wall waterproof roll material 10 is located on the upper surface of hole waterproof roll material 9, and the overlapping width W2 of the two is greater than 100mm, and the other end of side wall waterproof roll material 10 is located in the lower inner corner of side hole 6.

[0014] The utility model discloses a kind of roof rear hole waterproof structure, mainly in the rear hole 4 inner wall of roof panel 1 using plain concrete pouring rear pouring side wall 5 (because no stress requirement, the width of rear pouring side wall 5 can be with roof panel 1 same thickness), between the inner wall of rear pouring side wall 5 and backfill layer 2 set waterstop 8, and rear pouring side wall 5 in it is set side hole 6, the top of rear pouring side wall 5 is poured with reinforced concrete and pours rear roof 7, and the top of rear pouring roof 7 is designed as taper face 11, then set hole waterproof roll material 9 on the upper surface of backfill layer 2, between the outer wall of rear pouring side wall 5 on hole waterproof roll material 9 and set side wall waterproof roll material 10 (hole waterproof roll material 9 and side wall waterproof roll material 10 can use pitch roll material or macromolecular roll material etc.), cable 12 in house can be connected to outside by rear hole 4 and side hole 6, and bridge frame and other materials can be installed above cable outside according to path.This scheme a kind of roof rear hole waterproof structure, by setting rear pouring side wall 5 and rear pouring roof 7 in rear hole 4, and optimizing the arrangement of hole waterproof roll material 9 and side wall waterproof roll material 10, reduce the area of joint and rainwater contact, solve the problem that poor joint construction quality leads to water seepage, improve the waterproof capacity of roof panel rear hole, to reduce the possibility of roof water seepage, meet the demand of roof facility arrangement.

Claims

1. A roof waterproofing structure with a rear opening, comprising a roof panel (1), a backfill layer (2) laid on the roof panel (1), a pre-reserved waterproofing layer (3) covering the backfill layer (2), and a rear opening (4) made in the roof panel (1), characterized in that: The rear opening (4) is provided with a rear-poured side wall (5), the wall surface of the rear-poured side wall (5) is provided with a side hole (6), the rear-poured side wall (5) is provided with a rear-poured roof (7), a water stop (8) is arranged between the rear-poured side wall (5) and the inner wall of the backfill layer (2), the upper surface of the backfill layer (2) is provided with a hole waterproof coiled material (9), and the upper surface of the hole waterproof coiled material (9) and the outer wall of the rear-poured side wall (5) are provided with a side wall waterproof coiled material (10).

2. A waterproofing structure for a roof opening-out, according to claim 1, characterized in that: The top of the rear-poured roof (7) is a conical surface (11).

3. The waterproofing structure behind a roof opening according to claim 1, wherein: One end of the hole waterproof coiled material (9) is located on the original reserved waterproof layer (3), and the overlapping width W1 of the two is greater than 100 mm; the other end of the hole waterproof coiled material (9) is in contact with the rear-poured side wall (5).

4. The waterproofing structure behind a roof opening according to claim 1, wherein: One end of the side wall waterproof coiled material (10) is located on the hole waterproof coiled material (9), and the overlapping width W2 of the two is greater than 100 mm; the other end of the side wall waterproof coiled material (10) is located in the inner reentrant of the lower part of the side hole (6).

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