Background technology
Unit type curtain wall be a kind of with the curtain wall member all in produce in factory, processing, be assembled into plate at last, carry out the production technology that plate is installed at the construction field (site), it is a kind of batch production production degree height, make and process and carry out indoor, quality is easy to control, the production technology that the construction and installation process is safe and simple.In the prior art, the unit type curtain wall plate generally is made up of aluminum alloy frame and curtain wall slab two large divisions, aluminum alloy frame wherein then by the upright stile of the aluminium alloys on both sides and up and down two aluminium alloys crossbeams form, in curtain wall is installed, according to designing requirement, gap between the adjacent two boards piece of unit type curtain wall has 8 ~ 15 millimeters, gap between the two boards piece also has 8 ~ 15 millimeters up and down, in order to prevent that rainwater from passing through in the plate interspace inlet chamber, generally in the upright stile of two adjacent unit type curtain wall plates, up and down on two unit type curtain wall plate crossbeams, Yi Bian by establishing groove, another side is established the edge of a wing of protrusion, side on the edge of a wing of protruding embeds rubber strip, the groove of another side is inserted on the edge of a wing of the protrusion of band rubber strip, rubber strip and recess sidewall are fitted tightly, with the purpose of realization water-stop.Know that by simple experiment this water-stop effect is unfavorable, rubber strip and aluminium alloy extrusions cooperate will accomplish real water-stop, and must satisfy following condition simultaneously: 1. rubber strip must have suitable hardness; 2. rubber strip and aluminium alloys contact surface have certain normal pressure; 3. rubber strip and aluminium alloys contact surface have suitable quality of fit; 4. rubber strip and aluminium alloy section surface each have certain fineness, in actual the use, limited by mounting process, and above condition is difficult to reach.Rubber strip looks with cooperating of aluminium alloy extrusions and fits tightly together in the unit type curtain wall, watertightness is very poor in fact, as long as the pressure differential of a little is arranged, rainwater just is easy to see through the cooperation of rubber strip and aluminium alloys wall, flow toward the low place of pressure from the place that pressure is high, in unit type curtain wall, the cooperation of rubber strip and aluminium alloys wall can not provide watertightness to guarantee, according to the hydrokinematics principle, the effect that stops rainwater to flow is just played in the cooperation of rubber strip and aluminium alloys wall, play the effect of " on-way resistance " and " local resistance ", the size of this resistance, the hardness of the rubber strip of chatting before depending on; The normal pressure size of rubber strip and aluminium alloys contact surface; The quality of fit of rubber strip and aluminium alloys contact surface; Rubber strip and aluminium alloy section surface fineness separately, Here it is after the continuous many days rainy day, or in a torrential rain, unit type curtain wall is easy to the reason of the export-oriented indoor infiltration of generating chamber.
Summary of the invention
The objective of the invention is to cooperate watertightness poor with aluminium alloy extrusions at the rubber strip of unit type curtain wall plate, be limited to manufacturing and mounting process and be difficult to improved actual conditions again, in interplate splicing place of unit type curtain wall, design a kind of unitized curtain wall structure that can improve watertightness, " dash " of the unit type curtain wall of this structure, " water guide " and " draining " path are clear, and the water sealing property of watertight rubber bar obtains reasonable use.
According to technical scheme provided by the invention, a kind of unitized curtain wall structure that can improve watertightness comprises the upright stile in an aluminium alloys left side, the right upright stile of aluminium alloys, aluminium alloys lower transverse beam and aluminium alloys top rail, feature is: also comprise the watertight rubber bar, the dash rubber strip, curtain wall slab, the dash cover of upholstery, the right upright stile of described aluminium alloys is provided with the edge of a wing that two aluminium alloyss protrude, inlay elongated watertight rubber bar in the side of end, the watertight rubber bar embeds in the left groove that stands in the stile of aluminium alloys, the elongated watertight rubber bar and the sidewall of groove fit tightly, form the dash strip of paper used for sealing, surround the back cavity of water guide cavity longitudinally with upright stile in an aluminium alloys left side and the right upright stile of aluminium alloys, the edge of a wing and dash rubber strip that the side frame of curtain wall slab and aluminium alloys protrude form the ante-chamber of water guide cavity longitudinally;
Described aluminium alloys top rail is provided with the edge of a wing that three aluminium alloyss protrude, and inlays elongated watertight rubber bar in the side of end, fits tightly with sidewall on the aluminium alloys lower transverse beam, constitutes horizontal draining cavity with the dash cover of upholstery.
Described horizontal draining cavity outdoor be provided with a horizontal row to the dash cover of upholstery.
Described horizontal draining cavity is provided with back chamber, middle chamber and cup, between described chamber, back and the middle chamber, be respectively arranged with drain hole between middle chamber and the cup.
High preceding low behind the bottom surface of chamber, described back, middle chamber and cup, the highest near indoor back chamber, minimum near outdoor cup.
Described cup is provided with the outdoor drainage hole, and the outdoor drainage hole communicates with the outside atmosphere layer.
8 ~ 15 millimeters of the top and bottom spacings of described aluminium alloys lower transverse beam and two aluminium alloys crossbeams of aluminium alloys top rail.The upper and lower frames end distance of curtain wall slab is 8 ~ 15 millimeters.
The present invention is simple in structure, and " dash " of unit type curtain wall, " water guide " and " draining " path are clear, and the water sealing property of watertight rubber bar obtains reasonable use, and design concept adopts hydromechanical the principles of science, is fit to the application of all unit type curtain walls.
The specific embodiment
Below in conjunction with concrete experiment and structure accompanying drawing this explanation is described further.
As Fig. 1~shown in Figure 4, comprise that the edge of a wing 2 that dash strip of paper used for sealing 1, aluminium alloys protrude, watertight rubber bar 3, sealing sponge 4, groove 5, the upright stile 6 in an aluminium alloys left side, the right upright stile 7 of aluminium alloys, water guide cavity 8, experimental water 9, experiment are with shrouding 10, fluid sealant 11, ante-chamber 12, curtain wall slab 13, dash cover of upholstery 14, aluminium alloys lower transverse beam 15, back cavity 16, indoor horizontal cover of upholstery 17, dash rubber strip 18, chamber 19, back, drain hole 20, middle chamber 21, cup 22, aluminium alloys top rail 23, outdoor drainage mouth 24 etc.
Fig. 1, Fig. 2 is a water-guiding cavity body device of the present invention, illustrate that respectively the water guide cavity becomes isobaric cavity, the cavity that hydraulic pressure is arranged, with the water sealing property of watertight rubber bar under laboratory condition, comprise the right upright stile 7 of upright stile 6 in an aluminium alloys left side and aluminium alloys, the right upright stile 7 of the aluminium alloys of chatting be provided with the edge of a wing 2 that two aluminium alloyss protrude, inlay elongated watertight rubber bar 3 in the side of end, embed the groove 5 in the upright stile 6 in an aluminium alloys left side, elongated watertight rubber bar 3 fits tightly with the sidewall of groove 5, form dash strip of paper used for sealing 1, surround water guide cavity 8 with upright stile 6 in an aluminium alloys left side and the right upright stile 7 of aluminium alloys, the base of experimental facilities is an experiment shrouding 10, seal with fluid sealant 11 with each top parts, anti-sealing leaks from the bottom.
Embodiment 1, not water filling in the water guide cavity 8, and the interior pressure of water guide cavity this moment equates that with the pressure of outside water guide cavity 8 can be considered as isobaric cavity.
Embodiment 2, make the sealing sponge 4 in the groove 5 into fluid sealant 11, the side of water guide cavity and bottom surface reach the water-stop requirement, pouring slowly inward suitable for reading at water guide cavity 8, when the height of experimental water 9 reached H, the hydraulic pressure P=HD(D in the water guide cavity was the proportion of experimental water 9), the pressure of the pressure ratio outside in the water guide cavity is big at this moment, with outdoor anisobaric, water guide cavity 8 becomes the cavity that hydraulic pressure is arranged.
Embodiment 3, at experiment brill drain hole on the shrouding 10, experimental water 9 in the water guide cavity 8 is drained, pouring slowly inward suitable for reading at water guide cavity 8, water can flow out with the drain hole on the shrouding 10 from experiment, when inflow≤displacement, can ponding in the water guide cavity 8, this moment, the water guide cavity 8 still be isobaric cavity, when inflow>displacement, understood slowly ponding in the water guide cavity 8, form hydraulic pressure P, the pressure of the pressure ratio outside in the water guide cavity is big at this moment, and with outdoor anisobaric, water guide cavity 8 becomes the cavity that hydraulic pressure is arranged.
Embodiment 4, change back sealing sponge 4 with the fluid sealant 11 of groove 5 again, experiment is blocked up with the drain hole on the shrouding 10, pouring slowly inward suitable for reading at water guide cavity 8, water can be very fast through the sidewall of watertight rubber bar 3 with groove 5, in the slit, ooze out, illustrate that the rubber strip 3 and the water-stop of groove 5 sidewalls are insecure.
Fig. 3 is in the level of user mode to sectional view for upright stile of the present invention, comprise the upright stile 6 in an aluminium alloys left side, right upright stile 7 of aluminium alloys and curtain wall slab 12, the right upright stile 7 of the aluminium alloys of chatting be provided with the edge of a wing 2 that two aluminium alloyss protrude, inlay elongated watertight rubber bar 3 in the side of end, embed the groove 5 in the upright stile 6 in an aluminium alloys left side, elongated watertight rubber bar 3 fits tightly with the sidewall of groove 5, form dash strip of paper used for sealing 1, found the back cavity 16 that stile 7 surrounds water guide cavity 8 with the upright stile 6 in an aluminium alloys left side and the aluminium alloys right side, the side frame of curtain wall slab 13, the edge of a wing 2 and dash rubber strip 18 with aluminium alloys protrudes form the ante-chamber 12 of water guide cavity 8 longitudinally.
Fig. 4 is in the longitudinal sectional view of user mode for lower and upper cross-member of the present invention, comprise aluminium alloys lower transverse beam 15, aluminium alloys top rail 23, curtain wall slab 13 and dash cover of upholstery 14, the aluminium alloys top rail 23 of chatting is provided with the edge of a wing 2 that three aluminium alloyss protrude, inlay elongated watertight rubber bar 3 in the side of end, fit tightly with the sidewall on the aluminium alloys lower transverse beam 15, constitute back chamber 19, middle chamber 21 and the cup 22 of horizontal draining cavity with dash cover of upholstery 14.Described aluminium alloys lower transverse beam 15 and aluminium alloys top rail 23
8 ~ 15 millimeters of the top and bottom spacings of two aluminium alloys crossbeams.The upper and lower frames end distance of curtain wall slab 13 is 8 ~ 15 millimeters.Indoor horizontal cover of upholstery 17 is buckled to do to decorate after the unit type curtain wall plate is installed end and is used.
Be provided with chamber 19, back in the described horizontal draining cavity, middle chamber 21 and cup 22, high preceding low behind three's the bottom surface, the highest near indoor back chamber 19, take second place in middle chamber 21, minimum near outdoor cup 22, between back chamber 19 and the middle chamber 21, be provided with drain hole 20 between middle chamber 21 and the cup 22, the outdoor drainage mouth 24 that cup 22 is provided with communicates with the outside atmosphere layer, accept the rainwater of water guide cavity longitudinally when horizontal draining cavity after, between chamber 19, back and middle chamber 21, drain hole 20 between middle chamber 21 and the cup 22, progressively arrange to outdoor by chamber 21 and cup 22 in 19 processes of chamber, back, because the water guide cavity is separated into back cavity 16 and ante-chamber 12 by dash strip of paper used for sealing 1 longitudinally, so the amount of rainfall of water guide cavity ante-chamber 12 is more much bigger than the amount of rainfall of back cavity 16 longitudinally, the corresponding amount of rainfall of transverse drainage cavity that enters is also successively by cup 22, middle chamber 21, back chamber 19 echelons reduce, and the rainwater that helps peak discharge is directly arranged to outdoor by the shortest path.
Described horizontal draining cavity outdoor be provided with a horizontal row to dash cover of upholstery 14, horizontal dash cover of upholstery 14 is except that having decoration, sunshade function, also have batch water, the dash function can prevent that a large amount of rainwater on outfall 24 tops from forming water curtain at outfall 24 places.It is outdoor that water curtain stops that on the one hand the rainwater of draining cavity flows to, on the other hand, the rainwater part in the water curtain directly enters the cup 22 of transverse drainage cavity, increases the water yield of draining cavity, stop the rainwater of vertical water guide cavity to enter the draining cavity, make the water guide cavity become the water storage cavity; Equivalent pressure cavity is changed into the cavity of hydraulic pressure; There is rainwater in the water guide cavity of hydraulic pressure to overcome the resistance of dash strip of paper used for sealing, in the inlet chamber, causes rainwater to indoor leakage.
Simple structure of the present invention, " dash " of unit type curtain wall, " water guide " and " draining " path are clear, and the water sealing property of watertight rubber bar obtains reasonable use, and design concept adopts hydromechanical the principles of science, is fit to the application of all unit type curtain walls.