CN218028530U - Semi-pressure roof drainage rainwater hopper - Google Patents

Abstract

The utility model discloses a semi-pressure roof drainage rainwater fill, including runoff drainage subassembly, heat preservation drainage subassembly and main drainage pipe. Wherein, runoff drainage subassembly includes top-down fixed radome fairing, the rainwater bucket body and the secondary drain pipe that sets up in proper order, encloses between radome fairing and the rainwater bucket body and establishes into first rainwater chamber, sets up the water conservancy diversion passageway that can supply runoff water to get into on the radome fairing, and water conservancy diversion passageway and secondary drain pipe are linked together with first rainwater chamber respectively, and the secondary drain pipe is linked together with main drain pipe. The heat-insulating layer drainage component comprises a water filtering seat, the water filtering seat is arranged below the fairing and is provided with a water passing channel for the infiltration water to enter, and the water passing channel is communicated with the main drainage pipe. The rainwater hopper can simultaneously discharge runoff water on the surface of a roof and seepage water in the heat insulation layer, obviously enhances the reliability of a roof drainage system, and improves the safety of a building roof.

Description

Semi-pressure roof drainage rainwater hopper

Technical Field

The utility model relates to a building engineering roofing drainage technology field specifically is a semi-pressure roofing drainage rainwater fill.

Background

The building roof usually comprises a plurality of layers of complex structures such as a structural layer, a leveling layer, a slope finding layer, a heat insulation layer, a waterproof layer, a surface layer and the like which are arranged from bottom to top in sequence. Among the prior art, roofing drainage system is generally including locating the rainwater fill on the surface course and the drain line who links to each other with the rainwater fill, and the rainwater fill can be used to drain away the rainwater that falls on the roofing immediately, prevents that roofing load is too high to reduce roofing seepage risk. However, conventional roof drainage systems often focus only on draining run-off water from the surface course, and ignore seepage water that may seep below the surface course. When the surface waterproof layer is damaged, runoff water on the surface layer can permeate into the heat preservation layer. The heat-insulating layer is generally made of porous and low-density materials, rainwater is difficult to discharge after penetrating into the heat-insulating layer, and the rainwater is accumulated more and more, so that the load of a roof is obviously increased, and a series of safety problems such as seepage, heat-insulating failure and the like are caused. Therefore, the safety of the whole structure of the existing roof and the drainage system thereof is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rainwater fill that can get rid of the intraformational infiltration water of roofing heat preservation to the not enough of prior art existence.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a semi-pressure roof drainage rainwater hopper comprises a runoff drainage assembly, a heat-insulating layer drainage assembly and a main drainage pipe, wherein,

the runoff drainage assembly is used for guiding runoff water on the surface of a roof into the main drainage pipe and comprises a fairing, a rainwater hopper body and a secondary drainage pipe which are sequentially and fixedly arranged from top to bottom, a first rainwater cavity is formed between the fairing and the rainwater hopper body in an enclosing manner, a flow guide channel for the runoff water to enter is formed in the fairing, the flow guide channel and the secondary drainage pipe are respectively communicated with the first rainwater cavity, and the secondary drainage pipe is communicated with the main drainage pipe;

the heat-insulating layer drainage assembly is used for guiding infiltration water in the heat-insulating layer below the roof into the main drainage pipe, and comprises a water filtering seat, the water filtering seat is arranged below the fairing and provided with a water passing channel for the infiltration water to enter, and the water passing channel is communicated with the main drainage pipe.

In some embodiments, the heat-insulating layer drainage assembly further comprises a waterproof disc, the waterproof disc is fixedly arranged on the lower portion of the water filtering seat, the main drainage pipe is arranged below the waterproof disc, the water filtering seat and the waterproof disc are arranged in an enclosing mode to form a second rainwater cavity, the water passing channel is communicated with the second rainwater cavity, and the second rainwater cavity is communicated with the main drainage pipe.

In some embodiments, the water passage has a plurality of water passage openings arranged at intervals in the circumferential direction of the second rainwater chamber, and each of the water passage openings extends in the horizontal direction.

In some embodiments, the projection of the second rainwater cavity on the horizontal plane is a rectangle, the water filtering seat has four sets of side walls arranged along the circumferential direction of the second rainwater cavity, and each set of side walls is provided with at least one water passing channel.

In some embodiments, the upper part of the water filtering seat is provided with a mounting opening, the rainwater hopper body is arranged in the mounting opening in a penetrating manner, and at least part of the rainwater hopper body is positioned in the second rainwater cavity; the rainwater hopper is characterized in that a pipeline opening is formed in the waterproof disc, the lower portion of the rainwater hopper body is connected with the upper portion of the secondary drainage pipe through a flange assembly, the secondary drainage pipe penetrates through the pipeline opening, the flange assembly is located in the second rainwater cavity, and at least part of the secondary drainage pipe is located below the second rainwater cavity.

In some embodiments, the outer side wall of the secondary drain pipe and the inner side wall of the pipeline port are arranged with a gap therebetween, and the second rainwater chamber is communicated with the primary drain pipe through the gap.

In some embodiments, the rainwater hopper body comprises a fixedly arranged hopper body part and an extension part, the hopper body part is provided with an inner cavity with an upward opening, the hopper body part and the fairing are enclosed to form the first rainwater cavity, and the inner cavity is a part of the first rainwater cavity; the extension part extends outwards and horizontally from the periphery of the bucket body part, and the extension part is fixedly connected with the water filtering seat.

In some embodiments, the secondary drainage pipe is provided with an upper pipe section and a lower pipe section, the upper pipe section is positioned above the lower pipe section, the outer diameter of the upper pipe section is gradually increased from bottom to top, and the upper end part of the upper pipe section is fixedly connected with the rainwater hopper body; the outer diameter of the lower pipe section is not larger than the inner diameter of the main drainage pipe, and the lower pipe section is inserted into the main drainage pipe.

In some embodiments, the flow guiding passage is opened at the upper part and the periphery of the fairing.

In some embodiments, the runoff drainage assembly further comprises a waterproof ring, the waterproof ring is fixedly arranged between the fairing and the rainwater bucket body along the up-down direction, and the waterproof ring is arranged around the periphery of the first rainwater cavity.

In some embodiments, the flow regime of the liquid in the main drain pipe is a semi-pressurized flow.

Because above technical scheme's application, the utility model provides a semi-pressure roofing drainage rainwater fill can adapt to with the assembled roofing of different structure level designs, and the installation and construction is simple, and the infiltration water in runoff water and the heat preservation that can discharge the roofing surface simultaneously prevents that the infiltration water from gathering in the heat preservation, is showing the reliability that has strengthened roofing drainage system, has improved the security of building roofing. Furthermore, the liquid flow in the rainwater hopper can realize a half-pressure flow state, the outflow speed of the liquid flow state is higher than that of the gravity flow state, and the roof drainage efficiency is improved.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly described below.

Fig. 1 is a schematic perspective view of a rain scoop according to an embodiment of the present invention;

FIG. 2 is a schematic front view of a rain scoop in this embodiment;

FIG. 3 is an exploded perspective view of the rain scoop of the present embodiment;

FIG. 4 is an exploded front view of the rain scoop of the present embodiment;

FIG. 5 is a schematic front view of the radial drainage assembly of the present embodiment;

FIG. 6 is a partially exploded view of the radial flow drain assembly of the present embodiment;

FIG. 7 is an exploded view of the drainage assembly of the thermal insulation layer in this embodiment;

FIG. 8 is a partial perspective view of the rain scoop of the present embodiment;

wherein: 100. a runoff drainage assembly; 101. a first rainwater chamber; 110. a cowling; 111. a flow guide channel; 120. a rainwater hopper body; 121. a bucket body part; 122. an extension portion; 130. a secondary drain pipe; 131. an upper pipe section; 132. a lower pipe section; 140. a flange assembly; 141. a flange; 142. a gasket; 143. a bolt assembly; 150. a waterproof ring; 200. a drainage component of the insulating layer; 201. a second rainwater chamber; 202. a gap; 210. a water filtering seat; 211. a water passage; 212. a side wall; 213. a top wall; 214. an installation port; 220. a waterproof pan; 221. a pipe orifice; 300. a main drain pipe.

Detailed Description

The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, with reference to the accompanying drawings.

Referring to fig. 1 and 2, the embodiment provides a semi-pressure roof drainage rainwater hopper, which includes a runoff drainage assembly 100, a thermal insulation layer drainage assembly 200, and a main drainage pipe 300. In this embodiment, the main drainage pipe 300 is a pre-buried roof drainage pipe, which is communicated with a roof drainage pipeline (not shown) and can drain collected rainwater. The main drain pipe 300 may be made of various common materials such as PVC, HDPE, cast iron, etc. according to actual requirements. Runoff drainage component 100 is arranged in leading-in the main drain pipe 300 of runoff water with the roofing surface and discharges, and heat preservation drainage component 200 is arranged in leading-in the main drain pipe 300 of infiltration water in the heat preservation with the roofing below and discharges, therefore the rainwater fill of this embodiment when getting rid of roofing surface runoff water, can get rid of the infiltration water that infiltrates in the heat preservation isotructure, reinforcing roofing drainage system's drainage function, the security that improves building roof. In the rainwater fill that this embodiment provided, each part is all can be dismantled, can highly match with structures such as waterproof layer, the heat preservation of building roofing, realizes the assembled construction, and it is convenient to install.

It should be noted that, the terms "upper" and "lower" are used herein with reference to the orientation of the rain hopper in normal assembly and use, which is illustrated in fig. 1, for convenience of description and understanding, but do not represent that the rain hopper must have a specific orientation, and should not be construed as limiting the present invention.

Referring to fig. 3 to 6, in the present embodiment, the runoff drainage assembly 100 includes a fairing 110, a rainwater bucket 120 and a secondary drainage pipe 130, which are sequentially and fixedly disposed from top to bottom, a lower portion of the rainwater bucket 120 is connected to an upper portion of the secondary drainage pipe 130 through a flange assembly 140, the runoff drainage assembly 100 further includes a waterproof ring 150, and the waterproof ring 150 is fixedly disposed between the fairing 110 and the rainwater bucket 120 along an up-down direction.

Specifically, a first rainwater cavity 101 is defined between the fairing 110 and the rainwater bucket body 120, a diversion channel 111 for radial flow water to enter is formed on the fairing 110, the diversion channel 111 and the secondary drainage pipe 130 are respectively communicated with the first rainwater cavity 101, and the secondary drainage pipe 130 is communicated with the main drainage pipe 300. In this embodiment, the flow guiding channels 111 are formed on the upper portion and the peripheral portion of the fairing 110, so that the runoff water can flow into the first rainwater cavity 101 from the upper portion and the peripheral portion of the fairing 110 at the same time, the water passing area is larger, negative pressure can be formed in the secondary drainage pipe 130, and drainage efficiency is improved. Further, this radome fairing 110 is by the one-time die-casting shaping of aluminum alloy material, separates by the baffle between a plurality of water conservancy diversion passageways 111, and the baffle has the function of separation debris entering first rainwater chamber 101, is difficult for taking place to block up, and is clean simpler.

Referring to fig. 6, in the present embodiment, the rain bucket 120 includes a bucket body 121 and an extension portion 122 that are fixedly disposed. The bucket body 121 has an inner cavity with an upward opening, and the bucket body 121 and the fairing 110 enclose the first rainwater cavity 101, and the inner cavity actually forms a part of the first rainwater cavity 101. The extending portion 122 extends horizontally outward from the periphery of the bucket body 121, in this embodiment, the extending portion 122 is a substantially rectangular flat plate, and the extending portion 122 and the bucket body 121 may be integrally formed.

Referring to fig. 6, in this embodiment, the waterproof ring 150 is specifically a circular thin plate, the waterproof ring 150 surrounds the periphery of the first rainwater cavity 101, so as to implement the sealing connection between the fairing 110 and the rainwater bucket body 120, and the waterproof ring 150 can be used to be fixedly connected to a waterproof layer in a building roof, thereby facilitating the field installation of the rainwater bucket and improving the stability of the upper and lower structures of the rainwater bucket.

Referring to fig. 5, the secondary drain pipe 130 has an upper pipe section 131 and a lower pipe section 132 integrally provided, and the upper pipe section 131 is located above the lower pipe section 132. In this embodiment, the outer diameter of the upper pipe section 131 gradually increases from bottom to top, the upper end of the upper pipe section 131 is fixedly connected to the rainwater hopper body 120, specifically, detachably connected to the bottom of the hopper body 121 through the flange assembly 140, the flange assembly 140 specifically includes a flange 141 fixedly disposed on the upper portion of the upper pipe section 131, two sets of gaskets 142 respectively disposed on the upper and lower sides of the flange 141, and a bolt assembly 143 for fixedly connecting each component. The outer diameter of the lower pipe section 132 is not greater than the inner diameter of the main drain pipe 300, and the lower pipe section 132 is inserted into the main drain pipe 300. In this embodiment, the lower pipe section 132 is a hollow cylinder with the same outer diameter, the outer diameter of the lower pipe section 132 is equal to the outer diameter of the lower end of the upper pipe section 131, and a gap is left between the outer sidewall of the lower pipe section 132 and the inner sidewall of the main drainage pipe 300, so that the drainage of the insulating layer drainage assembly 200 can enter the main drainage pipe 300.

Referring to fig. 2 and 7, in the present embodiment, the insulating layer drainage assembly 200 includes a water filtering base 210 and a waterproof plate 220. The water filtering seat 210 is arranged below the fairing 110, the waterproof disc 220 is fixedly arranged at the lower part of the water filtering seat 210, the main drainage pipe 300 is arranged below the waterproof disc 220, and the water filtering seat 210 and the waterproof disc 220 are enclosed to form a second rainwater cavity 201. The water filtering seat 210 has a water passage 211 for water to enter, the water passage 211 is communicated with the main water drainage pipe 300, specifically, the water passage 211 is communicated with the second rain water cavity 201, and the second rain water cavity 201 is communicated with the main water drainage pipe 300. In this embodiment, the water passage 211 has a plurality of water passages arranged at intervals in the circumferential direction of the second rainwater chamber 201, and an opening of each water passage 211 extends in the horizontal direction. Further, the projection of the second rainwater chamber 201 on the horizontal plane is rectangular, the water filtering base 210 has four sets of side walls 212 arranged along the circumference of the second rainwater chamber 201, and each set of side walls 212 is provided with at least one water passing channel 211. Referring to fig. 7, in the present embodiment, the shape of the water filtering base 210 is a flat rectangular parallelepiped, the second rain water chamber 201 is formed at the lower portion of the water filtering base 210, and each set of side walls 212 is provided with two water passing channels 211 with rectangular openings. The top of this drainage seat 210 is horizontal roof 213, and installing port 214 has been seted up on the upper portion of drainage seat 210, and the rainwater bucket body 120 wears to locate in installing port 214 promptly, and at least part rainwater bucket body 120 is located second rainwater chamber 201, and flange subassembly 140 also is located second rainwater chamber 201. In this embodiment, the mounting opening 214 is a circular hole, the body 121 can be completely embedded in the second rain chamber 201, and the extension 122 is supported and fixedly connected to the top wall 213. The depth of the bucket body 121 is smaller than the height of the second rainwater chamber 201, thereby leaving a space for the flange assembly 140 at the bottom thereof.

Referring to fig. 2, 7 and 8, in the present embodiment, a pipe opening 221 is formed in the waterproof disk 220, the pipe opening 221 is in a circular hole shape, and an inner diameter of the pipe opening 221 is slightly larger than an outer diameter of an upper portion of the upper pipe segment 131. The secondary drain pipe 130 below the flange assembly 140 is inserted into the pipe opening 221, and at least a portion of the secondary drain pipe 130 is located below the second rainwater chamber 201. Further, an outer side wall of the secondary drain pipe 130 is provided with a gap 202 between an inner side wall of the pipe port 221, so that the second rainwater chamber 201 can communicate with the main drain pipe 300 through the gap 202. Specifically, the infiltrated water entering the second rainwater chamber 201 can flow down along the outer sidewall of the secondary drain pipe 130 through the gap 202, and since the outer diameter of the secondary drain pipe 130 is smaller than the inner diameter of the primary drain pipe 300, the infiltrated water can enter the primary drain pipe 300 and be further discharged.

In this embodiment, when the rain scoop is actually installed, the cowling 110 can be installed on the roof to receive run-off water on the surface of the roof, and the water filtering base 210 is embedded in the insulating layer to receive infiltration water in the insulating layer. Through the design of the siphon fairing 110, a negative pressure state can be formed in the secondary drain pipe 130, and the open type water filtering seat 210 cannot ensure complete air tightness due to relatively small flow, so that strict water-phase flow in the whole rainwater hopper is difficult to realize, and the flow state of liquid in the main drain pipe 300 is a half pressure flow state, and compared with a gravity flow state, the outflow speed is higher, and the drainage efficiency is high.

In conclusion, the semi-pressure roof drainage rainwater hopper provided by the embodiment can solve the problem of discharging seepage water in the heat preservation layer after the upper waterproof layer is damaged, improves the reliability of the whole roof and reduces the possibility of seepage on the top layer of the building.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. The utility model provides a half pressure roofing drainage rainwater fill which characterized in that: the rainwater hopper comprises a runoff drainage component, a heat-insulating layer drainage component and a main drainage pipe, wherein,

the runoff drainage assembly is used for guiding runoff water on the surface of a roof into the main drainage pipe and comprises a fairing, a rainwater bucket body and a secondary drainage pipe which are sequentially and fixedly arranged from top to bottom, a first rainwater cavity is formed by enclosing between the fairing and the rainwater bucket body, a flow guide channel for the runoff water to enter is formed in the fairing, the flow guide channel and the secondary drainage pipe are respectively communicated with the first rainwater cavity, and the secondary drainage pipe is communicated with the main drainage pipe;

the heat-insulating layer drainage assembly is used for guiding the infiltrated water in the heat-insulating layer below the roof into the main drainage pipe, and comprises a water filtering seat, the water filtering seat is arranged below the fairing, the water filtering seat is provided with a water passing channel for the infiltrated water to enter, and the water passing channel is communicated with the main drainage pipe.

2. The semi-pressure roof drainage rainwater hopper according to claim 1, characterized in that: the heat preservation layer drainage component further comprises a waterproof disc, the waterproof disc is fixedly arranged on the lower portion of the water filtering seat, the main drainage pipe is arranged below the waterproof disc, the water filtering seat and the waterproof disc are surrounded to form a second rainwater cavity, the water passing channel is communicated with the second rainwater cavity, and the second rainwater cavity is communicated with the main drainage pipe.

3. The semi-pressure roof drainage rainwater hopper according to claim 2, characterized in that: the water passing channels are arranged at intervals along the circumferential direction of the second rainwater cavity, and the opening of each water passing channel extends along the horizontal direction.

4. The semi-pressure roof drainage rainwater hopper according to claim 3, characterized in that: the projection of the second rainwater cavity on the horizontal plane is rectangular, the water filtering seat is provided with four groups of side walls arranged along the circumferential direction of the second rainwater cavity, and each group of side walls is provided with at least one water passing channel.

5. The semi-pressure roof drainage rainwater hopper according to claim 2, characterized in that: the upper part of the water filtering seat is provided with a mounting hole, the rainwater hopper body penetrates through the mounting hole, and at least part of the rainwater hopper body is positioned in the second rainwater cavity; the rainwater hopper is characterized in that a pipeline opening is formed in the waterproof disc, the lower portion of the rainwater hopper body is connected with the upper portion of the secondary drainage pipe through a flange assembly, the secondary drainage pipe penetrates through the pipeline opening, the flange assembly is located in the second rainwater cavity, and at least part of the secondary drainage pipe is located below the second rainwater cavity.

6. The semi-pressure roof drainage rainwater hopper according to claim 5, characterized in that: the outer side wall of the secondary drainage pipe and the inner side wall of the pipeline opening are arranged in a clearance mode, and the second rainwater cavity is communicated with the main drainage pipe through the clearance.

7. The semi-pressure roof drainage rainwater hopper according to claim 1, characterized in that: the rainwater hopper body comprises a hopper body part and an extension part which are fixedly arranged, the hopper body part is provided with an inner cavity with an upward opening, the hopper body part and the fairing are enclosed to form the first rainwater cavity, and the inner cavity is a part of the first rainwater cavity; the extension part extends outwards and horizontally from the periphery of the bucket body part, and the extension part is fixedly connected with the water filtering seat.

8. The semi-pressure roof drainage rainwater hopper according to claim 1, characterized in that: the secondary drainage pipe is provided with an upper pipe section and a lower pipe section, the upper pipe section is positioned above the lower pipe section, the outer diameter of the upper pipe section is gradually increased from bottom to top, and the upper end part of the upper pipe section is fixedly connected with the rainwater hopper body; the outer diameter of the lower pipe section is not larger than the inner diameter of the main drainage pipe, and the lower pipe section is inserted into the main drainage pipe.

9. The semi-pressure roof drainage rainwater hopper according to claim 1, characterized in that: the upper part and the peripheral part of the fairing are provided with the flow guide channels; the runoff drainage assembly further comprises a waterproof ring, the waterproof ring is fixedly arranged between the fairing and the rainwater bucket body in the vertical direction, and the waterproof ring is arranged around the periphery of the first rainwater cavity.

10. A semi-pressure roof drainage rainwater hopper according to any one of claims 1 to 9, wherein: the flow state of the liquid in the main drainage pipe is semi-pressure flow.

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