CN2660007Y

CN2660007Y - Pressure roof drain for internally discharging of roofing

Info

Publication number: CN2660007Y
Application number: CN 200320101634
Authority: CN
Inventors: 孙瑛
Original assignee: Beijing Tidelion Kechuang Science & Technology Co ltd
Current assignee: Beijing Tidelion S&I Rainwater Harvesting Technology Co., Ltd.
Priority date: 2003-10-23
Filing date: 2003-10-23
Publication date: 2004-12-01
Anticipated expiration: 2013-10-23

Abstract

A pressure rainwater hopper used for an inner discharging of the roof rainwater consists of a fairing, a pressure plate, a subbase, a spacer and a flanged pile and is characterized in that the flanged pipe is fixedly arranged under the subbase; the subbase is arranged under a roof board; the pressure plate arranged on the roof board is fastened by a double-screw bolt welded on the subbase; the fairing is fastened suspendedly by the double-screw bolt welded on the pressure plate; the spacer is arranged between the subbase, the pressure plate and the roof board for sealing. The utility model pertains to the technical field of the building implements, and is suitable for the inner discharging of the roof rainwater of the different large-scale buildings such as a hall, a venue and a hangar.

Description

A kind of pressure current roof drain that is used for discharging in the rain water on roof

A kind of pressure current roof drain that is used for discharging in the rain water on roof of technical field, claim the siphon jet roof drain again, mainly form by radome fairing, pressing plate, subbase, pad, flanged pipe, be applicable in the rain water on roof of various types such as the building such as the hall, venue, hangar and discharge, belong to the building implements technical field.

Background technology is in building engineering field, the roof drainage of various buildings, usually row's mode in adopting, some groups of storm-water drainage buckets (hereinafter to be referred as roof drain) promptly are installed on whole roofing, be connected and form pipe network with the suspention collecting pipe under being arranged on roofing, along inner wall of building and down and draw outside the room.In traditional prior art, the roof drain of internal discharging type mostly is gravity current discharging, promptly rely on gravity with rainwater by roof drain and hanging pipe, be connected to outdoor rainwater pipe through discharge pipe.Chinese patent (the patent No.: ZL00250154.6) disclose discharging bucket in a kind of new and effective pressure flow roof rain water, by kuppe, the waterproof pressing plate, the flat reducing bucket of flanged dish, parts such as rectifier are formed, the progress of this utility model is to make in the prior art that discharge process becomes pressure flow by gravity current in the rain water on roof, prevent to form eddy current and entrained air in the storm-water drainage process, thereby the reduction resistance of ducting, increase vent flow, weak point is that sunk type roof drain and sheet metal roofing juncture are perfect inadequately, the multiple room panel structure pattern that this kind roof drain inadaptability in structure is growing, the scope of application is restricted, again owing to guarantee to be formed with the sunk type small room of the flanged dish of critical component of baric flow and be arranged at below the roof panel, occupied and effectively utilized the space under the roofing.

The summary of the invention the purpose of this utility model provides a kind of more reasonable structure, the pressure current roof drain of the scope of application interior discharging of rain water on roof widely.

For achieving the above object, roof drain of the present utility model mainly is made up of radome fairing, pressing plate, subbase, pad, flanged pipe, it is characterized in that described flanged pipe fastening be installed in subbase below, subbase be installed in roof panel below, the pressing plate that welding double-screw bolt thereon will be installed on the roof panel is fastening, the double-screw bolt that is welded on the pressing plate is unsettled fastening with radome fairing, between subbase, pressing plate and the roofing by gasket seal.

Described radome fairing be one next week the sideband edge flat-top or dome cover, following peripheral and along the bar hole of last uniform complete two ends band circular arc, and on the edge, have installing hole.

Described pressing plate is the round member of a mechanical stamping moulding, its upper edge periphery has the stud bolt hole of installing on roof panel, and be welded with double-screw bolt, on double-screw bolt, be welded with the nut that supports radome fairing, the centre of pressing plate also has the storm-water drainage hole, on the hole, be welded with the weir pipe that diameter is complementary with it, and on its following peripheral, have the breach of band circular arc.

Described pressing plate is the round member of a mechanical stamping moulding, and its upper edge periphery has the stud bolt hole of installing on roof panel, and is welded with double-screw bolt, is welded with the nut that supports radome fairing on double-screw bolt, and the centre of pressing plate also has the storm-water drainage hole.

Described subbase is the round member of a mechanical stamping moulding, and its upper edge periphery is welded with the double-screw bolt of mounting flange pipe and the double-screw bolt of installing on roof panel, and the centre of subbase has the storm-water drainage hole.

Described flanged pipe is the short tube of one section flanged dish, on the fastening double-screw bolt that is installed in subbase.

Described flanged pipe is one section reducer pipe, and bigger diameter end is welded on the storm-water drainage hole of subbase, and the flanged dish of miner diameter end is welded with double-screw bolt on it.

Adopt after such structure, cancelled sunk type small room of the prior art, when using, can determine the quantity that is provided with of roof drain according to the size of the rain water on roof amount of confluxing, and in radome fairing and weir pipe, keep certain height of water level, guarantee to form the condition of pressure current by water-head, to prevent the generation of eddy current, can entrained air during draining, be one phase flow in the drainage system, make rainwater be able to rapid drainage, thereby reached the purpose that reduces pipe diameter, increase vent flow, saves the usefull space under the roofing; Owing to adopted roof drain to tighten mounting structure, can on the roof panel of various types, install and use again, enlarge range of application at roofing.

The utility model compared with prior art has following advantage:

1, cancelled the sinking small room that is arranged on roof panel below, saved and effectively utilized the space, for the design of drainage pipeline networks under the roof panel provides convenience;

2, adopted roof drain to tighten mounting structure, can on the roof panel of various types, install, enlarged range of application, and reached the purpose of its watertightness at roofing.

Description of drawings

Fig. 1 is a mounting structure schematic diagram of the present utility model.

Fig. 2 is the mounting structure schematic diagram of another specific embodiment of the present utility model.

The specific embodiment is described in further detail the specific embodiment of the present utility model below in conjunction with accompanying drawing.

As shown in Figure 1, the pressure current roof drain that is used for the rain water on roof discharging, claim the siphon jet roof drain again, mainly form by radome fairing 1, pressing plate 3, subbase 5, pad 6, flanged pipe 8, it is characterized in that described flanged pipe 8 fastening be installed in subbase 5 below, subbase 5 be installed in roof panel 12 below, the pressing plate 3 that welding double-screw bolt 4 thereon will be installed on the roof panel 12 is fastening, the double-screw bolt 2 that is welded on the pressing plate 3 is unsettled fastening with radome fairing 1, is sealed by pad 6 between subbase 5, pressing plate 3 and the roof panel 12.Radome fairing 1 be one next week the sideband edge flat-top or dome cover, following peripheral and along the bar hole 13 of last uniform complete two ends band circular arc, and on the edge, have installing hole; Pressing plate 3 is round members of a mechanical stamping moulding, its upper edge periphery has the stud bolt hole of installing on roof panel 12, and be welded with double-screw bolt 2, on double-screw bolt 2, be welded with the nut 11 that supports radome fairing 1, the centre of pressing plate 3 also has the storm-water drainage hole, on the hole, be welded with the weir pipe 9 that diameter is complementary with it, and on its following peripheral, have the breach 14 of band circular arc; Subbase 5 is round members of a mechanical stamping moulding, the double-screw bolt 4 that its upper edge periphery is welded with the double-screw bolt 7 of mounting flange pipe 8 and installs on roof panel 12, and the centre of subbase 5 has the storm-water drainage hole; Pad 6 is round rubber plates that are complementary with pressing plate 3 and subbase 5, plays the waterproof sealing effect, has the installing hole that is complementary with double-screw bolt 4 on it; Flanged pipe 8 is short tubes of one section flanged dish, makes of plastic pipe or stainless steel tube, on the fastening double-screw bolt 7 that is installed in subbase 5, is sealed by rubber sheet gasket between flange and the subbase.

Fig. 2 is another instantiation of the present utility model, be applicable to the low discharge storm-water drainage, when the storm-water drainage amount is used as shown in Figure 1 roof drain during greater than 16 liters/second, when the storm-water drainage amount is used as shown in Figure 2 roof drain during less than 16 liters/second, because when the low discharge storm-water drainage, the rectified action of weir pipe 9 is not too remarkable, thereby there is not the weir to manage 9 on the pressing plate 3 of this roof drain, flanged pipe 15 is one section reducer pipe, bigger diameter end is welded on the storm-water drainage hole of subbase 5, the flanged dish of miner diameter end is welded with double-screw bolt 10 on it, so that the storm-water drainage pipe of external minor diameter.

Structural member of the present utility model, securing member all adopt stainless steel to make, and seal adopts corrosion-resistant, ageing-resistant ethylene propylene diene rubber or silicon rubber to make.

The course of work of the present utility model is as follows:

When rain water on roof converges to the roof drain place, according to designing requirement, water level remains on the critical height that forms pressure current, and enter flanged pipe 8 after the rectified action by radome fairing 1 and weir pipe 9 and drain, in Water drainage system design, made full use of the siphon that the discrepancy in elevation caused on roofing and ground, made rainwater be able to rapid drainage.

Claims

1, a kind of pressure current roof drain that is used for discharging in the rain water on roof, claim the siphon jet roof drain again, mainly by radome fairing (1), pressing plate (3), subbase (5), pad (6), flanged pipe (8) is formed, it is characterized in that flanged pipe (8) fastening be installed in subbase (5) below, subbase (5) be installed in roof panel (12) below, the pressing plate (3) that welding double-screw bolt (4) thereon will be installed on the roof panel (12) is fastening, the double-screw bolt (2) that is welded on the pressing plate (3) is unsettled fastening with radome fairing (1), subbase (5), seal by pad (6) between pressing plate (3) and the roof panel (12).

2, the pressure current roof drain that discharges in the rain water on roof according to claim 1, it is characterized in that described radome fairing (1) be one next week the sideband edge flat-top or dome cover, following peripheral and along the bar hole (13) of last uniform complete two ends band circular arc, and on the edge, have installing hole.

3, the pressure current roof drain that discharges in the rain water on roof according to claim 1 or 2, it is characterized in that described pressing plate (3) is the round member of a mechanical stamping moulding, its upper edge periphery has at roof panel (12) and goes up the stud bolt hole of installing, and be welded with double-screw bolt (2), on double-screw bolt (2), be welded with the nut (11) that supports radome fairing (1), the centre of pressing plate (3) also has the storm-water drainage hole, on the hole, be welded with the weir pipe (9) that diameter is complementary with it, and on its following peripheral, have the breach (14) of band circular arc.

4, the pressure current roof drain that discharges in the rain water on roof according to claim 1 or 2, it is characterized in that described pressing plate (3) is the round member of a mechanical stamping moulding, its upper edge periphery has at roof panel (12) and goes up the stud bolt hole of installing, and be welded with double-screw bolt (2), be welded with the nut (11) that supports radome fairing (1) on double-screw bolt (2), the centre of pressing plate (3) has the storm-water drainage hole.

5, the pressure current roof drain that discharges in the rain water on roof according to claim 1, it is characterized in that described subbase (5) is the round member of a mechanical stamping moulding, its upper edge periphery is welded with the double-screw bolt (7) of mounting flange pipe (8) and goes up the double-screw bolt of installing (4) at roof panel (12), and the centre of subbase (5) has the storm-water drainage hole.

6, the pressure current roof drain that discharges in the rain water on roof according to claim 1 or 5 is characterized in that described flanged pipe (8) is the short tube of one section flanged dish, on the fastening double-screw bolt (7) that is installed in subbase (5).

7, the pressure current roof drain that discharges in the rain water on roof according to claim 1 or 5, it is characterized in that described flanged pipe (15) is one section reducer pipe, bigger diameter end is welded on the storm-water drainage hole of subbase (5), and the flanged dish of miner diameter end is welded with double-screw bolt (10) on it.