Horizontal-type double-layer drainage apparatus for falling in water and mounting method thereof
Technical field
The present invention relates to a kind of horizontal-type double-layer drainage apparatus for falling in water and mounting method thereof, belong to apparatus for falling in water (drain gully) and manufacture and installing area.
Background technology
Apparatus for falling in water also claims drain gully, and it is a kind of device collecting, guide rain water on roof inflow gutter in roofing functional in organized water drainage mode.
At present, most unit in charge of construction is concordant with the waterproofing course on cement mortar screeding layer by the end face of drain gully, then uses a paragraph water pipe that drain gully is connect height, and make its end face and roofing surface layer with high, its place suitable for reading covers an overboard lid.The design comparison of this drain gully is simple, easy construction, but cannot get rid of the steam in the roof structure layer such as insulation layer, sloping layer of more than waterproofing course, easily causes roof leakage.
The design of another kind of drain gully is that the end face of drain gully is concordant with the waterproofing course on cement mortar screeding layer, is provided with the larger abrupt slope of the gradient, directly can drains into drain gully to make water in drain gully periphery certain limit.Although the design of this drain gully can realize getting rid of the function of rainwater and the interior steam such as insulation layer, sloping layer above surface layer, but, aesthetic property is poor, and abrupt slope exists the hidden loyalty of use safety, and above surface layer, rainwater can be blowed back in the roof structure such as insulation layer, sloping layer layer by drain gully.
As can be seen here, design one and both can discharge rainwater above surface layer, steam in the roof structure such as insulation layer, sloping layer layer can be discharged again, and the surface layer rainwater apparatus for falling in water blowed back in the roof structure such as insulation layer, sloping layer layer can be avoided to be current urgent problem.
Summary of the invention
The object of the present invention is to provide a kind of horizontal-type double-layer drainage apparatus for falling in water and mounting method thereof, this horizontal-type double-layer drainage apparatus for falling in water after installing via this mounting method achieves the dual-drainage effect of surface layer draining and the roof structure such as insulation layer, sloping layer layer eliminating steam, and rainwater above surface layer can be avoided to blow back in the roof structure such as insulation layer, sloping layer layer through apparatus for falling in water of the present invention, draining is thorough, effectively reduces risk of leakage.
To achieve these goals, present invention employs following technical scheme:
A kind of horizontal-type double-layer drainage apparatus for falling in water, is characterized in that: it comprises straight section bimetallic tube, curved segment bimetallic tube, wherein:
The internal layer drainage straight pipe that the outer drainage straight pipe that this straight section bimetallic tube comprises open at one end, the other end is closed and open at one end, the other end are closed; the bottom of this outer drainage straight pipe offers several rows of water hole, and this internal layer drainage straight pipe is placed in this outer drainage straight pipe and the vertical drainage pipe that this internal layer drainage straight pipe is vertically provided with stretches out from the opening at this outer drainage straight pipe top;
This curved segment bimetallic tube comprises the outer bend pipe of open at both ends and the internal layer bend pipe of open at both ends, and this internal layer bend pipe is placed in this outer bend pipe, on the outer wall of this outer bend pipe, is provided with a circle and embeds grain between the interior opening end of this outer bend pipe and bending end;
The opening end of this internal layer drainage straight pipe, the opening end of this outer drainage straight pipe are connected with opening end in opening end, this outer bend pipe in this internal layer bend pipe respectively.
Preferably, described internal layer drainage straight pipe and the shared jam of described outer drainage straight pipe seal.
The interior opening end of described outer bend pipe, described internal layer bend pipe is greater than the wall thickness of parapet of roofing to the length of bending end.
Preferably, described outer drainage straight pipe and described internal layer drainage straight pipe are connected and fixed by vertical rib; Described outer bend pipe and described internal layer bend pipe are connected and fixed by vertical rib.
Preferably, the interior opening end of described internal layer bend pipe is connected via the opening end of inner sleeve with described internal layer drainage straight pipe, and the interior opening end of described outer bend pipe is connected via the opening end of outer tube with described outer drainage straight pipe.
A mounting method for described horizontal-type double-layer drainage apparatus for falling in water, it comprises the steps:
Step 1: construction waterproof layer on the cement mortar screeding layer of constructing on concrete, this waterproofing course paving is to parapet of roofing;
Step 2: be embedded in hydro-expansive rubber bar in described embedding grain; described curved segment bimetallic tube is arranged in the hole of this parapet of roofing; the interior opening end of the described inside and outside layer bend pipe of described curved segment bimetallic tube is made to be placed in inside this parapet of roofing; and the outer opening end of described inside and outside layer bend pipe is placed in outside this parapet of roofing and port is arranged down; described embedding grain is positioned at this parapet of roofing hole, then uses the gap between curved segment bimetallic tube and this hole described in pea gravel concreten shutoff;
Step 3: by the water inlet of described vertical drainage pipe upward, makes described straight section bimetallic tube be placed on the relevant position of this waterproofing course, described internal layer drainage straight pipe, described outer drainage straight pipe is connected with described internal layer bend pipe, described outer bend pipe respectively;
Step 4: construction heat-insulating layer, sloping layer, setting course, surface layer successively on this waterproofing course; this insulation layer, sloping layer, setting course, surface layer all spread the periphery to described straight section bimetallic tube and are extended down to this parapet of roofing; wherein; when constructing surface layer; tongue and groove is left in position corresponding with the water inlet of described vertical drainage pipe on this surface layer, overboard lid to be covered this tongue and groove place above the water inlet of described vertical drainage pipe;
Step 5: the outer opening end of the described outer bend pipe of described curved segment bimetallic tube is connected with drainage pipe.
Preferably, in step 3, described internal layer drainage straight pipe is connected with described internal layer bend pipe via inner sleeve, and described outer drainage straight pipe is connected with described outer bend pipe via outer tube.
Advantage of the present invention is:
Horizontal-type double-layer drainage apparatus for falling in water of the present invention is used for inverted roof draining, can be mass, with low cost, easy construction, practical, wherein, inner layer pipe is designed for a large amount of rainwater got rid of above surface layer, outer layer pipe is designed for the steam got rid of in the roof structure such as insulation layer, sloping layer layer, and the rainwater above surface layer can be avoided to blow back in the roof structure such as insulation layer, sloping layer layer through apparatus for falling in water of the present invention, and apparatus for falling in water of the present invention also can play the effect of roofing air vent simultaneously.
The mounting method operating sequence arrangement of horizontal-type double-layer drainage apparatus for falling in water of the present invention is reasonable, make the horizontal-type double-layer drainage apparatus for falling in water of the present invention after installation really achieve the double-layer drainage effect of surface layer draining and the roof structure such as insulation layer, sloping layer layer eliminating steam, draining is thorough.
Accompanying drawing explanation
Fig. 1 is the structural representation of horizontal-type double-layer drainage apparatus for falling in water of the present invention.
Fig. 2 is that the B-B of Fig. 1 is to sectional drawing.
Fig. 3 be from Fig. 1 A to looking, the end view of inside and outside layer drainage straight pipe.
Fig. 4 is the scheme of installation of horizontal-type double-layer drainage apparatus for falling in water of the present invention.
Detailed description of the invention
As shown in Figure 1 to Figure 3, horizontal-type double-layer drainage apparatus for falling in water of the present invention comprises straight section bimetallic tube, curved segment bimetallic tube, wherein:
The internal layer drainage straight pipe 12 that the outer drainage straight pipe 11 that this straight section bimetallic tube comprises open at one end, the other end is closed and open at one end, the other end are closed; the bottom of this outer drainage straight pipe 11 offers several rows of water hole 111; this internal layer drainage straight pipe 12 is placed in this outer drainage straight pipe 11 and the vertical drainage pipe 121 that this internal layer drainage straight pipe 12 is vertically provided with stretches out from the opening (figure does not mark) at this outer drainage straight pipe 11 top, and the water inlet 1211 of this vertical drainage pipe 121 establishes overboard lid 20 for lid;
This curved segment bimetallic tube comprises the outer bend pipe 13 of open at both ends (being called inside and outside opening end) and the internal layer bend pipe 14 of open at both ends (being called inside and outside opening end); this internal layer bend pipe 14 is placed in this outer bend pipe 13; on the outer wall of this outer bend pipe 13, be provided with a circle between the interior opening end (being placed in inside parapet of roofing 59) of this outer bend pipe 13 and bending end and embed grain 131;
Be positioned at the opening end of this internal layer drainage straight pipe 12 of the same side, this outer drainage straight pipe 11 opening end respectively be positioned at this internal layer bend pipe 14 opening end of the same side, this outer bend pipe 13 opening end is connected, and the outer opening end of this outer bend pipe 13 (being placed in outside parapet of roofing 59) is for being connected with drainage pipe 30.
As Fig. 1, in actual design, outer bend pipe 13, internal layer bend pipe 14 can be L-type, the shape of internal layer bend pipe 14 and the shape of outer bend pipe 13 suitable.
As Fig. 3, internal layer drainage straight pipe 12 and outer drainage straight pipe 11 can share a jam 112 and seal.
As Fig. 4, in actual design, the respective interior opening end of outer bend pipe 13, internal layer bend pipe 14 should be greater than the wall thickness of parapet of roofing 59 to the length of bending end.
When actual design, outer drainage straight pipe 11 is indulged rib 17 with internal layer drainage straight pipe 12 by twice and is connected and fixed, and as shown in Figures 2 and 3, similarly, outer bend pipe 13 is also indulged rib (not providing diagram) by twice with internal layer bend pipe 14 and is connected and fixed.
As Fig. 1, preferably, the interior opening end of internal layer bend pipe 14 is connected via the opening end of inner sleeve 16 with internal layer drainage straight pipe 12, and the interior opening end of outer bend pipe 13 is connected via the opening end of outer tube 15 with outer drainage straight pipe 11.In the present invention, inside and outside sleeve pipe 16,15 is pipeline cylindrically, for knowing tubing.Certainly, internal layer bend pipe 14 and internal layer drainage straight pipe 12, connection between outer bend pipe 13 and outer drainage straight pipe 11 also realize by alternate manner, do not repeat them here.
In practice, the invention described above horizontal-type double-layer drainage apparatus for falling in water can be installed in accordance with the following steps:
Step 1: construction waterproof layer 53 on the cement mortar screeding layer 52 of construction on concrete 51, this waterproofing course 53 spreads to parapet of roofing 59;
Step 2: be embedded in hydro-expansive rubber bar 40 in embedding grain 131, curved segment bimetallic tube is arranged in the hole 591 of parapet of roofing 59, make in curved segment bimetallic tube, outer bend pipe 14, the interior opening end of 13 is placed in inside parapet of roofing 59, and in, outer bend pipe 14, the outer opening end of 13 is placed in outside parapet of roofing 59 and port is arranged down, embed the hole 591 that grain 131 is positioned at this parapet of roofing 59, then the gap between pea gravel concreten 58 shutoff curved segment bimetallic tube and this hole 591 (gap namely between outer bend pipe 13 and this hole 591) is used, and make shell nosing treatment with roof waterpoof material,
Step 3: by the water inlet 1211 of vertical drainage pipe 121 upward; straight section bimetallic tube is made to be placed on the relevant position of waterproofing course 53; now; drain hole 111 is down and towards waterproofing course 53; internal layer drainage straight pipe 12, outer drainage straight pipe 11 are connected with internal layer bend pipe 14, outer bend pipe 13 respectively, in practice, preferably; internal layer drainage straight pipe 12 is connected with internal layer bend pipe 14 via inner sleeve 16, and outer drainage straight pipe 11 is connected with outer bend pipe 13 via outer tube 15;
Step 4: construction heat-insulating layer 54 successively on this waterproofing course 53, sloping layer 55, setting course 56, surface layer 57, this insulation layer 54, sloping layer 55, setting course 56, surface layer 57 all spreads the periphery to straight section bimetallic tube and does not enter straight section bimetallic tube inside and be extended down to parapet of roofing 59, wherein, when constructing surface layer 57, on this surface layer 57, tongue and groove (not marking in figure) is left in the position corresponding with the water inlet 1211 of vertical drainage pipe 121, the water inlet 1211 of vertical drainage pipe 121 is in this surface layer 57, overboard lid 20 to be covered this tongue and groove place above the water inlet 1211 of vertical drainage pipe 121,
Step 5: the outer opening end of the outer bend pipe 13 of curved segment bimetallic tube is connected with the respective tube road junction of drainage pipe 30.
So far complete the installation of horizontal-type double-layer drainage apparatus for falling in water of the present invention, form complete drainage system.
As Fig. 4, horizontal-type double-layer drainage apparatus for falling in water of the present invention has double-layer drainage function.On the one hand, a large amount of rainwater above surface layer 57 flow into overboard lid 20, discharge from drainage pipe 30 via after vertical drainage pipe 121, internal layer drainage straight pipe 12, internal layer bend pipe 14, and the rainwater above surface layer 57 can be avoided to blow back in the roof structure layer such as insulation layer 54, sloping layer 55 through apparatus for falling in water of the present invention.On the other hand, the steam in the roof structure layer of waterproofing course more than 53 can enter outer drainage straight pipe 11 via drain hole 111, then discharges from drainage pipe 30 via outer bend pipe 13.Above-mentioned two kinds of drainage patterns are independent of each other.Meanwhile, horizontal-type double-layer drainage apparatus for falling in water of the present invention also can play the effect of roofing air vent.
Advantage of the present invention is:
Horizontal-type double-layer drainage apparatus for falling in water of the present invention is used for inverted roof draining, can be mass, with low cost, easy construction, practical, wherein, inner layer pipe design (internal layer drainage straight pipe and internal layer bend pipe) is for getting rid of a large amount of rainwater above surface layer, outer layer pipe design (outer drainage straight pipe and outer bend pipe) is for getting rid of insulation layer, steam in the roof structure layers such as sloping layer, and the rainwater above surface layer can be avoided to blow back into insulation layer through apparatus for falling in water of the present invention, in the roof structure layers such as sloping layer, apparatus for falling in water of the present invention also can play the effect of roofing air vent simultaneously.
The mounting method operating sequence arrangement of horizontal-type double-layer drainage apparatus for falling in water of the present invention is reasonable, make the horizontal-type double-layer drainage apparatus for falling in water of the present invention after installation really achieve the double-layer drainage effect of surface layer draining and the roof structure such as insulation layer, sloping layer layer eliminating steam, draining is thorough.
The above know-why being preferred embodiment of the present invention and using; for a person skilled in the art; when not deviating from the spirit and scope of the present invention; any based on apparent changes such as the equivalent transformation on technical solution of the present invention basis, simple replacements, all belong within scope.