CN212176339U

CN212176339U - Roof internal drainage rainwater hopper construction structure

Info

Publication number: CN212176339U
Application number: CN201922348524.0U
Authority: CN
Inventors: 周涛; 詹莉娜; 许千
Original assignee: Chongqing Zhongke Daye Building Technology Co ltd
Current assignee: Chongqing Hengsheng Daye Architectural Design Co.,Ltd.
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-12-18
Anticipated expiration: 2029-12-24

Abstract

The utility model relates to a roof drainage structure, in particular to a roof internal drainage rainwater hopper construction structure; the water-stopping wing ring is arranged in the middle of the roof floor slab; the top end of the waterproof pipe section is provided with a rainwater hopper, and the rainwater hopper is detachably and fixedly connected with the top end of the waterproof pipe section; the outer wall of the waterproof pipe section is sequentially coated with a pipeline anticorrosive layer, a polyurethane waterproof layer and a river sand plastering layer from inside to outside; the roof internal drainage rainwater hopper construction structure has the advantages of simplifying design structure, simplifying procedures, reducing construction difficulty, shortening construction period, improving construction quality and simplifying later maintenance management work.

Description

Roof internal drainage rainwater hopper construction structure

Technical Field

The utility model relates to a roofing drainage structures, concretely relates to drainage rainwater fill construction structures in roofing.

Background

China published setting requirements and construction processes of roof rainwater hoppers in 2009, and a national standard drawing set 09S302 of rainwater hopper selection and installation; the drawing sets specify the type selection and the specific way of the rainwater hopper in different roofing forms and drainage modes as shown in figure 1, but the following problems exist in the actual construction and later maintenance processes:

1. the rainwater hopper and the pressure plate are connected in a troublesome way, and water leakage is easy to occur.

2. The construction process is complex and the working procedures are excessive.

3. During secondary plugging, the waterproof material and the fine aggregate concrete are not suitable for being filled, and particularly, gaps below the floor slab are difficult to construct and are easy to leak water.

4. The joint of the new concrete and the old concrete is easy to crack and leak water.

5. Once water leakage occurs, the difficulty in solving is high, and the later maintenance and management are complex.

6. Long construction period, high cost and difficult quality guarantee.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a replace waterproof sleeve structure of tradition, simplify the project organization, simplify the process, reduce the construction degree of difficulty, reduction of erection time, improve construction quality and simplify the interior drainage rainwater fill construction structures of roofing of later maintenance management work.

The roof internal drainage rainwater hopper construction structure comprises a roof floor slab and a waterproof pipe section embedded in the roof floor slab, wherein the waterproof pipe section is arranged in the vertical direction, and a water stop wing ring is arranged on the waterproof pipe section and is arranged in the middle of the roof floor slab; the top end of the waterproof pipe section is provided with a rainwater hopper, and the rainwater hopper is detachably and fixedly connected with the top end of the waterproof pipe section; the outer wall of the waterproof pipe section is coated with a pipeline anticorrosive coating, a polyurethane waterproof layer and a river sand plastering layer from inside to outside in sequence.

Furthermore, a filtering cover is covered outside the rainwater hopper.

Furthermore, the rainwater hopper and the waterproof pipe section are detachably and fixedly connected in a socket joint mode, and a sealing ring is arranged at the joint of the rainwater hopper and the waterproof pipe section.

Further, the filter mantle includes steel reinforcement cage and covers the filter screen at the steel reinforcement cage outward.

Furthermore, the bottom of the waterproof pipe section is provided with a joint connected with an external rainwater pipe.

Further, the joint is a flange joint or a socket joint.

Furthermore, the waterproof pipe section is a cast iron pipe or a steel pipe.

Further, the rainwater pipe is a PVC pipe, a cast iron pipe or a steel pipe.

Further, the material of stagnant water wing ring is the same with the material of waterproof pipeline section, and stagnant water wing ring establishes at waterproof pipeline section body middle part position, stagnant water wing ring surface from inside to outside in proper order the cladding have pipeline anticorrosive coating, polyurethane waterproof layer and river sand to wipe the surface layer.

Further, the sealing ring is a chloroprene rubber ring, the sealing ring is sleeved on the outer pipe wall of the rainwater hopper connecting pipe, the cross section of the sealing ring is triangular, one sharp-angle end of the triangle faces the inner wall of the waterproof pipe section, and the plane end corresponding to the sharp-angle end is sleeved on the outer pipe wall of the rainwater hopper connecting pipe.

The utility model has the advantages that: 1. the traditional method of reserving a hole for a sleeve is replaced by the pre-buried waterproof pipe section, so that the hidden danger of water leakage is reduced, the construction quality is improved, and the later maintenance work is reduced; 2. a filtering cover is arranged outside the rainwater hopper, so as to primarily filter sundries on the roof and the rainwater hopper in the protective cover; 3. the rainwater hopper adopts a detachable form, is inserted into the embedded waterproof pipe section in a socket joint mode, is simple to install and is convenient to take out and draw clearly at the later stage; 4. the anti-corrosion layer, the waterproof layer and the river sand plastering layer are sequentially arranged outside the pre-buried waterproof pipe section, the polyurethane waterproof layer enables the pre-buried waterproof pipe section to have a good waterproof effect, the polyurethane waterproof layer can also better fix and combine river sand, the river sand plastering layer on the outermost layer of the pipe wall can increase the surface roughness of the pipe wall, enhance the binding force between the pipe wall of the waterproof pipe section and a concrete wall, prevent the concrete wall from shrinking and cracking between the waterproof pipe section and the pipe wall in the initial setting stage, increase the binding force between the waterproof pipe section and a structural wallboard, prevent the joint from cracking and improve the construction quality; 5. the lower part of the embedded waterproof pipe section is provided with a pipe joint, the joint form is matched with a rainwater pipeline connected with the joint, and the adaptability is wider.

Drawings

FIG. 1 is a schematic structural view of a conventional roof internal drainage type rainwater hopper in the prior art;

FIG. 2 is a schematic view of the construction structure of the roof internal drainage rainwater hopper of the present invention;

FIG. 3 is a schematic structural view of the pipe wall of the waterproof pipe section in the roof internal drainage rainwater hopper construction structure of the present invention;

fig. 4 is the utility model discloses the enlarged schematic diagram of sealing washer among the drainage rainwater fill construction structures in the roofing.

Detailed Description

The invention will be described in further detail with reference to the following drawings and detailed description:

according to the scheme, as shown in fig. 2, 3 and 4, the roof internal drainage rainwater hopper construction structure comprises a roof floor slab 100 and a waterproof pipe section 1 embedded in the roof floor slab, wherein the waterproof pipe section is made of a cast iron pipe or a steel pipe, a leveling layer 101 is laid on the roof floor slab 100, a floor slab waterproof layer 102 is arranged on the leveling layer 101, and the floor slab waterproof layer 102 is a polyurethane layer. The vertical direction setting of waterproof pipeline section 1, be equipped with stagnant water wing ring 3 on waterproof pipeline section 1, stagnant water wing ring 3 is in roofing floor 100 intermediate position, rainwater fill 2 is established on the top of waterproof pipeline section 1, rainwater fill 2 is connected with waterproof pipeline section 1 top socket joint formula, rainwater fill 2 is equipped with sealing washer 4 with waterproof pipeline section 1's junction, the sealing washer is the chloroprene rubber circle, the sealing washer overlaps on the outer pipe wall of rainwater fill connecting pipe, the cross-section of sealing washer is triangle-shaped, the inner wall of waterproof pipeline section is faced to a sharp angle end of triangle-shaped, the plane pot head that the sharp angle end corresponds is on the outer pipe wall of rainwater fill connecting pipe. The rainwater hopper 2 is inserted into the waterproof pipe section 1 in a socket joint mode, so that the installation is simple, and the later-stage taking out and cleaning are convenient; the bottom end of the waterproof pipe section 1 is provided with a joint 6 connected with an external rainwater pipe 7, the joint form is matched with a rainwater pipe connected with the joint, the adaptability is wider, the rainwater pipe 7 in the embodiment is made of a PVC pipe or a cast iron pipe or a steel pipe, and the PVC pipe is further preferred. In the present embodiment, the joint 6 is a flange joint or a socket joint, and more preferably a flange joint. The rainwater fill 2 is covered with the filter mantle 5 outward, and the filter mantle 5 includes steel reinforcement cage and covers the filter screen at steel reinforcement cage outward, and the filter screen passes through the steel reinforcement cage to be supported, and 5 bottoms of filter mantle edge all around pass through waterproof sealing compound 103 banding, and the rainwater fill 2 in 5 preliminary filtration roofing debris of filter mantle, the safety cover.

The pipeline comprises a pipeline anti-corrosion layer 12, a polyurethane waterproof layer 13 and a river sand plastering layer 14, wherein the pipeline anti-corrosion layer 12 is sequentially arranged on the outer wall of a pipe wall 11 of the waterproof pipe section 1 from inside to outside, and the pipeline anti-corrosion layer 12 is subjected to anti-corrosion treatment according to national standards; then brushing polyurethane to form a polyurethane waterproof layer 13, wherein the thickness of the polyurethane waterproof coating is 1mm in the embodiment; after being dried, the river sand is evenly smeared in the groove filled with the river sand to form a river sand floating surface layer 14. The material of stagnant water wing ring is the same with the material of waterproof pipeline section, and stagnant water wing ring establishes at waterproof pipeline section middle part position, and stagnant water wing ring surface from inside to outside also the cladding has pipeline anticorrosive coating, polyurethane waterproof layer and river sand to wipe the surface course in proper order. The inner wall of the pipe wall 11 of the waterproof pipe section 1 is also provided with an anticorrosive layer (not shown) which is the same as the outer wall.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. Drainage rainwater fill construction structures in roofing, including roofing floor, its characterized in that: the water-stopping wing ring is arranged on the waterproof pipe section and is positioned in the middle of the roof floor slab; the top end of the waterproof pipe section is provided with a rainwater hopper, and the rainwater hopper is detachably and fixedly connected with the top end of the waterproof pipe section; the outer wall of the waterproof pipe section is coated with a pipeline anticorrosive coating, a polyurethane waterproof layer and a river sand plastering layer from inside to outside in sequence.

2. The roof internal drainage rainwater hopper construction structure according to claim 1, characterized in that: the rainwater hopper is covered with a filter cover.

3. The roof internal drainage rainwater hopper construction structure according to claim 1, characterized in that: the rainwater hopper and the waterproof pipe section are detachably and fixedly connected in a socket joint mode, and a sealing ring is arranged at the joint of the rainwater hopper and the waterproof pipe section.

4. The roof internal drainage rainwater hopper construction structure according to claim 2, characterized in that: the filter mantle includes steel reinforcement cage and covers the filter screen at the steel reinforcement cage outward.

5. The roof internal drainage rainwater hopper construction structure according to claim 1, characterized in that: and the bottom of the waterproof pipe section is provided with a joint connected with an external rainwater pipe.

6. The roof internal drainage rainwater hopper construction structure according to claim 5, characterized in that: the joint is a flange joint or a socket joint.

7. The roof internal drainage rainwater hopper construction structure according to claim 1, characterized in that: the waterproof pipe section is a cast iron pipe or a steel pipe.

8. The roof internal drainage rainwater hopper construction structure according to claim 5, characterized in that: the rainwater pipe is a PVC pipe or a cast iron pipe or a steel pipe.

9. The roof internal drainage rainwater hopper construction structure according to claim 1, characterized in that: the material of stagnant water wing ring is the same with the material of waterproof pipeline section, and stagnant water wing ring establishes at waterproof pipeline section body middle part position, stagnant water wing ring surface from inside to outside in proper order the cladding have pipeline anticorrosive coating, polyurethane waterproof layer and river sand to wipe the surface course.

10. The roof internal drainage rainwater hopper construction structure according to claim 3, characterized in that: the sealing ring is a chloroprene rubber ring, the sealing ring is sleeved on the outer pipe wall of the rainwater hopper connecting pipe, the cross section of the sealing ring is triangular, one sharp-angle end of the triangle faces the inner wall of the waterproof pipe section, and the plane end corresponding to the sharp-angle end is sleeved on the outer pipe wall of the rainwater hopper connecting pipe.