CN205276718U - Active waterproof system in metal roofing entrance to a cave - Google Patents

Abstract

The utility model relates to an active waterproof system in metal roofing entrance to a cave, the structure is: being equipped with the fan base in roof inner plate's entrance to a cave department, being equipped with the water knockout drum on the upward slope terminal surface of fan base, be equipped with the groined type at roof inner plate's lower surface and support, the groined type supports virtual the seat on the roofing purlin, can slide for the purlin, the base infolding of fan base, its bottom surface is adopted sealed glue with roof inner plate and is sealed to supporting the fan base with roof inner plate and groined type through self -tapping screw and being connected, the adoption waterproof sealant of gap department with roof inner plate is sealed all around in the bottom surface of fan base. This active waterproof system in metal roofing entrance to a cave can relatively freely stretch out and draw back, thorough solution because roofing expend with heat and contract with cold leads to the sealed gluey fracture problem that the roof boarding slided and lead to, this system assurance roof inner plate installation does not simultaneously receive entrance to a cave orientation problem to influence the progress, and roof inner plate can lay hou kaidong, and construction speed is fast, and the simple installation has the better leakage performance that prevent wind, prevents.

Description

Active waterproofing system for metal roof openings

technical field

The utility model relates to an active waterproof system for metal roof openings, which is used for waterproofing the metal roof openings.

Background technique

In recent years, water leakage on color steel plate roofs is more common, especially for color steel roofs with many roof openings. Waterproofing of color steel plate roof openings is a long-standing and difficult problem, especially for large-span color steel roof factory buildings. If the openings are located near the ridge, waterproof It is easier to handle, you can use the color steel plate cover plate to connect to the roof ridge cover plate, but if the opening is far away from the roof ridge, it is more expensive to use a full-length cover plate to reach the roof ridge, and the method is also more difficult, and the overlapping position of the cover plates is also difficult. There is a possibility of leakage, so it is very important to do a good job of waterproofing the opening at this location.

The waterproof structure of the original roof hole is pre-fixed and connected with the roof purlins by using the hole fan seat, and the roof outer plate is slidable relative to the slidable support on the purlin, which causes thermal expansion at the connection between the fan seat and the roof. Leakage occurs due to relative slippage during cold shrinkage.

Especially since the roof panels all have plate ribs, and the upper edge of the opening along the slope direction is greatly impacted by rainwater, which is not conducive to waterproofing. A water separator must be installed here to reserve a certain water diversion space. It must be cut above the hole. The water separator and the cover plate of the original waterproof structure are welded together with the ventilator base before leaving the factory. The connection and sealing with the roof outer plate and plate rib can only be done by traditional external sealant method, which belongs to passive waterproofing, which is very difficult. The sealing effect is guaranteed, and after a long time, the roof panel will expand with heat and contract with cold, and the sealant will crack, resulting in leakage.

The waterproof installation structure and process of the original roof opening also determine that the installation position of the fan base is fixed according to the design, and the ventilation base must be installed first, and then the board is laid, so the installation position of the fan base cannot be adjusted according to the rib position of the roof panel. It brings inconvenience to the installation work and affects the efficiency of planking.

Some manufacturers even use membrane waterproofing or waterproof coating on the uphill position of the hole, but due to the relatively large thermal expansion and contraction, coupled with the aging of the membrane, the temperature difference between winter and summer of the roof panel is large, so there is still a hidden danger of leakage.

Contents of the invention

The technical problem to be solved by the utility model is to provide an active waterproof system for metal roof openings. The active waterproof system for metal roof openings adopts a well-shaped support installed under the outer panel of the roof. The well-shaped support is connected with the outer panel of the roof and the contact surface Glue injection in the middle can be relatively free to expand and contract, which completely solves the problem of sealant cracking caused by the sliding of roof panels due to thermal expansion and contraction of the roof; at the same time, the system enables installation and construction to adopt the construction technology of laying large areas first and then opening holes. This can ensure that the installation of the outer roof panel will not be affected by the positioning of the opening. The outer roof panel can be opened after laying. The construction speed is fast, the installation is simple, the economy is reasonable, and it has good windproof and anti-leakage performance.

In order to solve the above problems, the specific technical solution of the utility model is as follows: an active waterproof system for metal roof openings, a fan base is provided at the opening of the roof outer plate, and a water separator is provided on the uphill end surface of the fan base , there is a well-shaped support on the lower surface of the roof outer panel, which is used as the installation and sealing basis for the fan base and the roof outer panel; the well-shaped support sits on the roof purlin and can slide relative to the purlin; the well-shaped support The center opening is consistent with the shape of the roof panel hole and the fan base; the bottom edge of the fan base is folded inward, and the bottom surface of the fan base and the outer roof panel are sealed with sealant, and the fan base is connected to the roof outer panel and the roof outer panel by self-tapping screws. The well-shaped support is connected, and the gap between the bottom surface of the fan base and the outer panel of the roof is sealed with waterproof sealant.

The well-shaped support is composed of two longitudinal side supports, two transverse upper supports and lower supports, all of which are folded from galvanized steel sheets, and the cross-section is groove-shaped. The upper support, the lower support and the side support It is welded together to form a rectangular hole with the same shape as the roof panel hole and the inner diameter of the fan base; the two side supports span the two adjacent roof purlins and can slide relative to the purlins, and the two ends of the purlins protrude enough. The amount; the upper support is wider, which is used as the support plane foundation for the connection, installation and sealing of the water distributor and the fracture of the roof outer plate.

The fan base is a square tetrahedron with no bottom and no cover composed of four facades. The four facades are respectively bent with thick galvanized steel sheets into a C-shaped cross-section with the upper and lower sides bent inward. The holes are pre-punched, and the adjacent sides are formed by bolting on site.

The base of the fan is provided with inner side accessories, which are respectively connected to the upper side and the inner side of the outer facade, and the cavity between the inner side accessories and the outer facade is provided with thermal insulation cotton .

The water separator adopts a space diamond-shaped structure with curved edges on the upper and lower sides. After the upper curved edge is injected with glue, it is bonded to the side surface of the fan base on the uphill slope, and is compressed and sealed by self-tapping screws; the lower curved edge of the water separator After glue injection, it is sealed with the upper surface of the roof panel, and the self-tapping screws press the lower flange of the water distributor, the roof panel and the well-shaped support to press the glue injection connection.

The metal roof opening active waterproof system adopts an independent split installation structure. A well-shaped support that can be freely expanded and contracted relative to the roof purlins is installed under the roof outer plate as the installation basis for the ventilator base. The roof outer plate and the well-shaped support are self-tapping. The nails are tightly connected and sealant is injected in the middle of the contact surface. The well-shaped support sits on the roof purlins and is completely independent of the roof purlin structure. It can slide and expand freely, so that the installation position of the vent can be adjusted freely. Sealant cracking and leakage caused by the sliding of roof panels caused by cold shrinkage.

The split-type active waterproof structure can reasonably adjust the opening position according to the rib position of the roof slab while laying the roof slab on a large area, adjust the position of the preset well-shaped support and connect it closely with the roof slab, and then install the fan base. Both sides of the roof opening and the side of the downslope can adopt the structure in which the opening frame or the ventilator seat is pressed on the outer roof panel, and are connected by self-tapping screws after glue injection, which simplifies the structure used in previous engineering projects. Many color steel plate accessory structures reduce the project cost and improve the waterproof effect and airtightness of the color steel plate roof.

On the side facing the water on the uphill slope of the roof opening, the diverter connection of the new active waterproof structure is separated from the fan base, and its connection with the fan base and the roof panel is connected by self-tapping screws after glue injection. A second layer of waterproof sealant is applied on the outer layer to fully ensure the sealing effect. At the same time, the roof panel and the upper support of the well-shaped support at the fracture of the uphill slope of the roof opening are also connected by the above-mentioned self-tapping screw compression method after glue injection.

Description of drawings

Fig. 1 is a cross-sectional view of the active waterproof system for metal roof openings along the roof slope direction.

FIG. 2 is a partially enlarged view of FIG. 1 .

Fig. 3 is a longitudinal sectional view of the active waterproof system for metal roof openings.

Fig. 4 is a schematic diagram of construction process step 1 of the waterproof system.

Fig. 5 is a schematic diagram of step 2 of the construction process of the waterproof system.

Fig. 6 is a schematic diagram of step 3 of the construction process of the waterproof system.

Fig. 7 is a schematic diagram of step 4 of the construction process of the waterproof system.

detailed description

As shown in Figures 1 to 3, an active waterproof system for metal roof openings is provided with a fan base 2 at the opening of the roof outer panel 1, and a water separator 3 is provided on the uphill end surface of the fan base 2. The lower surface of the roof outer panel 1 is provided with a well-shaped support 4, which is used as the installation and sealing foundation of the fan base 2 and the roof outer panel 1; The purlin 6 slides; the center opening of the well-shaped support 4 is consistent with the shape of the roof panel hole and the fan base 2; Self-tapping screws 5 connect the fan base 2 with the roof outer panel 1 and the well-shaped support 4, and the gaps between the bottom surface of the fan base 2 and the roof outer panel 1 are sealed with waterproof sealant.

As shown in Figure 4, the well-shaped support 4 is composed of two longitudinal side supports 11, two transverse upper supports 13 and lower supports 14, all of which are folded from galvanized steel sheets and have a groove-shaped cross section. , the upper support 13 and the lower support 14 are welded together with the side support 11 to form a rectangular hole with the same shape as the roof panel hole and the inner diameter of the fan base 2, which is used as the connection, installation and sealing basis of the fan base 2; the two side supports 11 straddles two adjacent roof purlins 6, and can slide relative to the purlins 6, and the two ends of the purlins 6 have enough margin to avoid slipping; the upper support 13 is wider, as the water divider 3 and the outside of the roof. The fracture of plate 1 is connected to the supporting plane foundation for installation and sealing.

The fan base 2 is a square tetrahedron with no bottom and no cover composed of four facades 15. The four facades are respectively bent into a C-shaped cross-section with the upper and lower sides bent inward by thick galvanized steel plates. The ends are pre-punched, and the adjacent sides are formed by on-site bolt connection, which is convenient for transportation and avoids welding rust. When the fan base 2 needs heat preservation, the fan base 2 is provided with an inner side attachment 16, and the inner side attachment 16 is connected with the upper edge and the inner side of the outer facade respectively, and the inner side attachment 16 is connected with the outer side. The cavities between the facades 15 are provided with thermal insulation cotton, thereby forming a complete fan base 2 .

The water separator 3 adopts a space rhombus structure with curved edges on the upper and lower sides. After the upper curved edge is injected with glue, it is bonded to the uphill side surface of the fan base 2, and is compressed and sealed by self-tapping screws 5; the water separator 3. After the lower flange is injected with glue, it is sealed with the upper surface of the roof panel. Self-tapping screws 5 connect the lower flange of the water distributor 3, the roof panel and the well-shaped support 4 by pressing and injecting glue.

A construction process of an active waterproof system for metal roof openings, as shown in Figures 4 to 7, includes the following steps:

1) Before laying each roof slab, accurately place all the well-shaped supports 4 for the roof slab at the installation position of the fan base 2 along the slope, and its longitudinal side supports span the adjacent purlins 6 and two Protrude enough margin;

2) Open a hole in the appropriate position of the corresponding well-shaped support 4 on the roof panel that conforms to the opening specifications and technical requirements of the fan base, including the reserved installation position for installing the water separator 3; the well can be adjusted according to the position of the plate rib if necessary. The position of glyph support 4 should avoid plate ribs as much as possible;

3) Accurately place the roof panel 1 with the opening on the corresponding well-shaped support 4, inject sealant at the contact between the flange around the bottom surface of the fan base 2 and the roof panel, and use self-tapping screws 5 to fix the fan The bottom flange of the base 2, the roof panel and the well-shaped support 4 are connected together; at the same time, a special aluminum alloy bead is provided at the uphill fracture of the roof panel 1, and the roof panel 1 and the well-shaped support are connected with self-tapping screws 5 after glue injection. 4 Compress the connection; the rib fracture of the roof panel 1 is sealed with a special aluminum alloy sealing rib 7 and rubber plugs, and the lower flange of the sealing rib 7 and the well-shaped support 4 are injected with glue with self-tapping screws 5 Tight connection; the fracture of the roof panel 1 downslope is sealed with a rubber plug, and the joint between the panel rib and the façade of the fan base 2 is connected by a through-wall seal, that is, the shape of the rib is cut out on the facade to match the shape of the rib The opening of the plate sits on the plate rib and seals it with glue;

4) The inner façade of the fan base 2 is connected with the upper and lower sides of the outer façade of the fan base 2 with the inner edge attachment respectively, so as to form a complete fan base 2; The purlins corresponding to the faces and the vents of the roof inner panel are also separately closed with similar retracting edge accessories;

The water separator 3 adopts a space rhombus structure with curved edges on the upper and lower sides. After the upper curved edge is injected with glue, it fits with the uphill side surface of the fan base 2, and is compressed and sealed by self-tapping screws 5; after the lower curved edge is injected with glue, It is sealed with the upper surface of the roof panel, and the self-tapping screw 5 compresses and connects the lower flange of the water distributor 3, the roof panel and the well-shaped support 4.

Claims (5)

1. the active waterproof system in metal Roof hole, it is provided with blower fan pedestal (2) at the hole place of roofing outside plate (1), the upward slope end face of blower fan pedestal (2) is provided with water trap (3), it is characterized in that: the lower surface at roofing outside plate (1) is provided with well font and supports (4), it is basic as installation and the sealing of blower fan pedestal (2) and roofing outside plate (1) that well font supports (4); Well font supports (4) void and is seated on roof purline (6), can slide relative to purlin (6); It is consistent with roof boarding hole and blower fan pedestal (2) shape that well font supports (4) central opening; The base infolding of blower fan pedestal (2), the bottom surface of blower fan pedestal (2) and roofing outside plate (1) adopt sealant sealing, and by tapping screw (5), blower fan pedestal (2) is supported (4) with roofing outside plate (1) and well font and be connected, the bottom surface surrounding of blower fan pedestal (2) and the gap place of roofing outside plate (1) adopt waterproof gasket cement sealing.

2. the active waterproof system in metal Roof hole as claimed in claim 1, it is characterized in that: described well font supports (4) and is made up of top support (13) of the lateral support (11) of two longitudinal directions, two transverse directions and following support (14), fold by steel plate galvanized, cross section is flute profile, top supports (13) and supports (14) below welded with lateral support (11), forms the rectangle hole consistent with roof boarding hole and blower fan pedestal (2) inner diameter shape; Article two, lateral support (11) is across on two adjacent roof purlines (6), can slide relative to purlin (6), and its two ends lean out the enough surpluses of purlin (6); Wherein top support (13) is wider, as the supporting plane basis that water trap (3) and roofing outside plate (1) incision position are connected and installed and seal.

3. the active waterproof system in metal Roof hole as claimed in claim 1, it is characterized in that: the bottomless square tetrahedron without lid that described blower fan pedestal (2) is made up of four alien invasion (15), four alien invasion are bent into the C type cross section of upper inside crimp below respectively with thick steel plate galvanized, end is punching in advance, and adjacent side adopts the mode combination forming of on-the-spot bolt connection.

4. the active waterproof system in metal Roof hole as claimed in claim 3, it is characterized in that: in described blower fan pedestal (2), be provided with adduction limit annex (16), adduction limit annex (16) top and inner side crimp with alien invasion is connected respectively, is provided with insulating cotton in the cavity between adduction limit annex (16) and alien invasion (15).

5. the active waterproof system in metal Roof hole as claimed in claim 1, it is characterized in that: the space diamond structure below in described water trap (3) employing with crimp, surface, the side laminating gone up a slope with blower fan pedestal (2) after upper crimp note glue, and by tapping screw (5) press seal; Seal with the upper surface of roof boarding after crimp note glue under water trap (3), crimp under water trap (3), roof boarding and well font are supported (4) and compress note glue connection by tapping screw (5).