Ventilative card and waterproof and breathable device that the heat-insulating decorative board system sealing uses
Technical field
The member that the present invention relates to use in a kind of building trade with waterproof and breathable function with by its device that constitutes, relate in particular to ventilative card and waterproof and breathable device that a kind of heat-insulating decorative board system sealing uses.
Background technology
Existing heat-insulating decorative board system is made up of heat insulating decorative board, connection material and sealing fluid sealant, because heat insulating decorative board and the sealing fluid sealant has the excellent waterproof function but self is airtight does not possess permeability so existing heat-insulating decorative board system has water resistance.Because there is certain moisture content inevitably in basic unit's body of wall that heat insulating decorative board is installed, the cementing agent that uses in the heat insulating decorative board installation process also contains certain moisture content, so after the heat-insulating decorative board system installation, between heat insulating decorative board and basic unit's body of wall, exist steam inevitably, the steam that is detained will cause that indoor generation is got damp, dewfall and problem such as mouldy, influence the normal use of building.So,, need sealing not only to possess water resistance but also possess permeability in order to ensure the normal performance of heat-insulating decorative board system function of use.
Summary of the invention
Main purpose of the present invention is that the ventilative card that provides a kind of heat-insulating decorative board system sealing to use reaches the waterproof and breathable device of member composition thus.
For solution provides a kind of technical problem of ventilative card, the ventilative card that heat-insulating decorative board system sealing of the present invention uses comprises a main body that matches with the installation position shape, and this main body has certain thickness, and this thickness is not less than 5mm; And body end is provided with joint, and these joints and main body are as a whole, and the section of end-fitting is a stairstepping; It is outwards downward-sloping and run through the air-vent of this main body from the lining also to be provided with one or several on this main body.
Further, ventilative card main body section of the present invention can be cross, T font or circular arc, and described joint is separately positioned on the end of each described main body; Preferably, the angular range of air-vent and horizontal direction is between 10 ° to 80 °.
For solution provides a kind of technical problem of waterproof and breathable device, waterproof and breathable device of the present invention mainly comprises ventilative card, weather strip and fluid sealant.Wherein, ventilative card and weather strip are positioned at the sealing heat insulation material surface, adopt the stairstepping overlap joint between ventilative card and the weather strip, lap-joint is bonded and sealed with fluid sealant, between ventilative simultaneously card and the heat insulating decorative board side and all adopt fluid sealant to be bonded and sealed between weather strip and the heat insulating decorative board side.
Preferably, weather strip is that the cross section is the elongate strip of U type.
The present invention makes it compared with prior art owing to adopted above-mentioned technical scheme, has following advantage and good effect:
In heat-insulating decorative board system owing to adopted ventilative card of the present invention and waterproof and breathable device, make be trapped in steam between insulation layer and the basic unit's body of wall can be smoothly, discharge easily; Simultaneously, because this air-vent is downward-sloping setting, so can prevent effectively that rainwater from entering from air-vent.In addition because between ventilative card and the heat insulating decorative board side, between weather strip and the heat insulating decorative board side and breathe freely block with weather strip between all adopt fluid sealant to be connected sealing, so stoped rainwater to penetrate into the heat insulating decorative board inboard fully.Enforcement of the present invention and use has been avoided using the building of heat-insulating decorative board system to produce getting damp effectively, dewfall and hidden danger such as mouldy, perfect heat-insulating decorative board system technology, thus make a large amount of utilizations and the popularization of heat-insulating decorative board system become possibility.
Description of drawings
To embodiments of the invention and in conjunction with the description of its accompanying drawing, can further understand purpose of the present invention, specific structural features and advantage by following.Wherein, accompanying drawing is:
Fig. 1 is the stereogram of the ventilative card of the present invention embodiment 1.
Fig. 2 is the stereogram of the ventilative card of the present invention embodiment 2.
Fig. 3 is the stereogram of the ventilative card of the present invention embodiment 3.
Fig. 4 is a heat-insulating decorative board system constructional drawing of the present invention.
Fig. 5 is an A-A sectional view among Fig. 4.
Fig. 6 is a B-B sectional view among Fig. 4.
Fig. 7 is a kind of vertical view of weather strip.
Fig. 8 is a C-C sectional view among Fig. 7.
The specific embodiment
As shown in Figure 1, be the ventilative card of a kind of cross of the present invention, high molecular polymer materials such as employing hard nylon make, the cross section of its main body 1 is cross shape, four ends at the ventilative card of this cross are provided with four joints 2, so that overlap mutually with an end of weather strip (not shown in figure 1), this end-fitting 2 is as a whole with main body 1, and the section of end-fitting 2 is a stairstepping.Central authorities in ventilative card main body 1 are provided with an air-vent 3, and this air-vent 3 tilts to run through the main body 1 of ventilative card, and the angular range of itself and horizontal direction is between 10 ° to 80 °; These air-vent 3 shapes are not limit, and can be delthyriums, can be circular hole or other shapes yet, and its position can also can be located at other positions of ventilative card at the center of main body 1, can be provided with 1, also several can be set.
As shown in Figure 2, be the ventilative card of a kind of T word of the present invention, high molecular polymer materials such as employing hard nylon make, the cross section of its main body 1 is the T word shape, three ends at the ventilative card of this cross are provided with three joints 2, so that overlap mutually with an end of weather strip (not shown among Fig. 2), this end-fitting 2 is as a whole with main body 1, and the section of end-fitting 2 is a stairstepping.Central authorities in ventilative card main body 1 are provided with an air-vent 3, and this air-vent 3 tilts to run through the main body 1 of ventilative card, and the angular range of itself and horizontal direction is between 10 ° to 80 °; These air-vent 3 shapes are not limit, and can be delthyriums, can be circular hole or other shapes yet, and its position can also can be located at other positions of ventilative card at the center of main body 1, can be provided with 1, also several can be set.
As shown in Figure 3, be the ventilative card of a kind of circular arc of the present invention, high molecular polymer materials such as employing hard nylon make, the cross section of its main body 1 is circular shape, two ends at the ventilative card of this circular arc are provided with two joints 2, so that overlap mutually with an end of weather strip (not shown among Fig. 3), this end-fitting 2 is as a whole with main body 1, and the section of end-fitting 2 is a stairstepping.Central authorities in ventilative card main body 1 are provided with an air-vent 3, and this air-vent 3 tilts to run through the main body 1 of ventilative card, and the angular range of itself and horizontal direction is between 10 ° to 80 °; These air-vent 3 shapes are not limit, and can be delthyriums, can be circular hole or other shapes yet, and its position can also can be located at other positions of ventilative card at the center of main body 1, can be provided with 1, also several can be set.
As Fig. 4, Fig. 5, shown in Figure 6, heat insulating decorative board 4 be installed in basic unit's body of wall 10 and basic unit's floated coat 9 above, can there be the slit between the adjacent heat insulating decorative board 4, in the sealing that at first fillet 7 will be embedded between the heat insulating decorative board 4 during installation, this fillet 7 is elongated strip shape body, the arbitrary shape of its cross section for be fit to installing, and to adopt combustibilities such as rock wool or mineral wool be that the inorganic heat insulation material of A level makes, and makes to have the fireproof function when playing insulation effect.Secondly, ventilative card 5 is installed in the surface, position that fillet 7 intersects, ventilative card 5 usefulness silica gel tightly stick on the heat insulating decorative board 4, again U type weather strip 6 is overlapped on the joint 2 of two adjacent ventilative cards 5, and fixing with the silica gel bonding, last, at U type weather strip 6 surface silica gel sealings.Like this, leave certain cavity 8 between U type weather strip 6 and ventilative card 5 and fillet 7, it is negotiable just to have formed an internal water steam thus, and the waterproof and breathable device that rainwater or other flowing water permeate or enters can be prevented in the outside.Wherein, as Fig. 7, shown in Figure 8, the cross section of weather strip 6 is the acclivitous U word shape in two ends, adopt the overlapping mode of " countersunk head dislocation type " to overlap with the joint 2 of ventilative card 5, specifically be about the end 10mm of ventilative card 5, to locate to dwindle 1.5mm to form joint 2, weather strip 6 is bonded on this joint 2, and the main surface of weather strip 6 and ventilative card 5 in one plane after the overlap joint.
Though the present invention is illustrated hereinbefore according to preferred embodiment of the present invention, this does not represent that scope of the present invention is confined to above-mentioned structure, if by structure that claim of the present invention covered all within protection domain.Those skilled in the art can be developed the equivalent substitution structure that at an easy rate after reading above-mentioned explanation, and these equivalent alternative structure are also within the scope that this case requires.