CN107842147A - A kind of roofing bottom plate and roof board system for improving water resistance - Google Patents

Abstract

The invention provides a roof bottom plate with improved waterproof performance, which comprises a bottom plate and supporting ribs 1 and 2 respectively arranged at opposite ends of the bottom plate. The supporting rib 1 includes ribs extending outward from the ends of the bottom plate Rib 1, and connecting piece 1 for lapping and fixing with the supporting rib 2 of the adjacent roof slab, the supporting rib 2 includes the rib 2 extending outward from the end of the bottom flat plate, and connecting piece 1 for connecting with the adjacent roof slab The support rib one of the bottom plate overlaps the fixed connector two. The connection between two adjacent roof slabs is overlapped by connecting piece 1 of supporting rib 1 and connecting piece 2 of supporting rib 2. The installation is simple and the connection is firm. The installation gap is an inwardly bent structure, which can effectively avoid the leakage of rainwater And back pouring, improve the waterproof performance of the roof panel bottom plate, and at the same time strengthen the strength of the connection part of the roof bottom plate.

Description

A roof base plate and roof panel system with improved waterproof performance

technical field

The invention relates to a roof panel system, in particular to a roof base plate and a roof panel system with improved waterproof performance.

Background technique

Due to its light weight, high strength, beautiful appearance, and convenient construction, the profiled metal roof system is widely used in large-scale projects such as airports, stadiums, exhibition centers, industrial plants, warehouses, railway station canopies, and railway station roofs.

At present, the metal roof system mainly has two forms: single-layer metal roof panel system and double-layer metal roof panel system. Overlock etc. For the double-layer metal roof system with exposed purlins, the profiled metal plate is generally used as the bottom plate, and the bottom plate and the purlins are generally fastened and connected by self-tapping screws; for the double-layer metal roof system with hidden purlins, metal strips are often used for the bottom plate Or profiled metal plate, the fixed connection of the bottom plate is various. The traditional double-layer metal roof system relies on the waterproofing of the top plate, and the bottom plate is mainly used to support the thermal insulation material in the metal roof system, improve the wind resistance performance of the metal roof system or consider the needs of architectural decoration effects. It does not have waterproof ability. Once the metal roof Leakage on the top plate of the system means that the roof system is leaking, and the leaking water will flow out from the gaps in the bottom plate of the roof system or the nail holes that fix the bottom plate, directly affecting the normal use of the roof system.

Contents of the invention

The purpose of the present invention is to overcome the problem that the existing roof panels do not have waterproof ability, and the seepage water easily flows out from the gaps of the roof bottom panels, which directly affects the normal use of the roof system.

For this reason, the present invention provides a kind of roof bottom board that improves waterproof performance, comprises bottom plate and support rib 1 and support rib 2 that are respectively arranged on the opposite two ends of bottom plate, and described support rib 1 includes from the bottom plate end to Rib 1 extending outward, and a connecting piece 1 used to overlap and fix the supporting rib 2 of the adjacent roof bottom plate. The supporting rib one of the adjacent roof bottom plate overlaps and fixes the connecting piece two.

Further, several stiffening ribs are arranged at intervals on the bottom plate, and the extending direction of the stiffening ribs is parallel to the length direction of the first supporting rib and the second supporting rib.

Further, said plate rib one has a vertical section extending upward from the end of the bottom flat plate, a horizontal section connected to connector one, and a bent section connecting the vertical section and the horizontal section.

Further, the bent section includes a first horizontal fold extending horizontally outward along the top end of the vertical section, and a first oblique fold extending obliquely downward to the horizontal section along the end of the first transverse fold.

Further, the connecting piece has a second oblique edge extending obliquely upward along the plate rib, a second transverse hem extending horizontally outward from the upper end of the second oblique hem, and a free end of the second transverse hem A vertical flap that extends vertically downwards.

Further, the free end of the vertical fold is connected with an outward oblique fold extending obliquely downward to the outside of the bottom plate.

Further, the second plate rib is a vertical plate extending upwards perpendicular to the bottom plate, and the vertical hem of the connector one of a roof bottom plate fits with the plate rib two of the adjacent roof bottom plate.

Further, the second connecting piece has a third transverse fold extending horizontally outward along the two ends of the plate rib, and a third oblique fold extending obliquely downward from the free end of the third transverse fold to the outside of the bottom plate The third transverse fold and the third oblique fold of one roof base plate are respectively attached to the second transverse fold and second oblique fold of an adjacent roof base plate.

In addition, the present invention also provides a roof panel system for improving waterproof performance, comprising the above-mentioned roof bottom panel, and a top panel arranged above the roof bottom panel, the adjacent top panels are connected by a locking device, and the two adjacent roof bottom panels The joint is connected with the locking device through the support assembly.

Compared with the prior art, the present invention has the beneficial effect: in the roof bottom plate with improved waterproof performance provided by the present invention, the connection between two adjacent roof bottom plates is through the connecting piece 1 of supporting rib 1 and the connecting piece of supporting rib 2 2. Lap joint, simple installation and firm connection. The installation gap is an inwardly bent structure, which can effectively avoid rainwater leakage and backflow, improve the waterproof performance of the roof panel bottom plate, and at the same time strengthen the strength of the roof bottom plate connection.

The present invention will be described in further detail below in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is the structural representation of the roof bottom plate that the present invention improves waterproof performance;

Fig. 2 is an enlarged view of part A in Fig. 1;

Fig. 3 is the connection structure schematic diagram of two roof bottom plates;

Fig. 4 is a structural schematic diagram of the roof panel system for improving waterproof performance of the present invention.

Explanation of reference signs: 1. Bottom flat plate; 2. Stiffening rib; 3. Plate rib two; 4. Third oblique fold; 5. Third transverse fold; 6. Vertical segment; 7. First transverse fold ;8, the first oblique hem; 9, the horizontal section; 10, the second oblique hem; 11, the second horizontal hem; 12, the vertical hem; 13, the outer oblique hem; 14, the top plate; 15, Bracket; 16, support keel; 17, buckle cover; 18, flange; 19, cap; 20, U-shaped fixing groove; 21, self-tapping screw; 22, purlin.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In describing the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, Constructed and operative in a particular orientation and therefore are not to be construed as limitations of the invention.

The terms "first", "second", and "third" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, the features defined as "first", "second", and "third" may explicitly or implicitly include one or more of these features; in the description of the present invention, unless otherwise stated, "multiple" "a" and "several" mean two or more.

Example 1:

As shown in Figure 1, the present embodiment provides a roof base plate with improved waterproof performance, including a bottom plate 1 and supporting ribs 1 and 2 respectively arranged at opposite ends of the bottom plate 1, and the supporting rib 1 includes Plate rib 1 extending outward from the end of the bottom plate 1, and a connecting piece 1 used to overlap and fix the supporting rib 2 of the adjacent roof slab, the supporting rib 2 includes a rib extending outward from the end of the bottom plate 1 Rib 2 3, and connecting piece 2 for overlapping and fixing with the supporting rib 1 of the adjacent roof slab. During the installation process of the roof base plates, the connecting piece 1 of the supporting rib 1 of one of the roof base plates is covered on the outer surface of the connecting piece 2 of the supporting rib 2 of the adjacent roof base plate, so that the connection between the two roof base plates No gaps can effectively prevent the leaking water from leaking from the top of the roof from flowing out from the bottom of the roof, improving the waterproof performance of the bottom of the roof, and the connection between the first and second of the two roof bottoms overlaps, strengthening the two roof bottoms strength of the connection between them.

When installing the roof bottom slab that improves the waterproof performance provided by this embodiment, the connection between the two roof bottom slabs can be fixed on the purlin 22 through the support and fixing structure, as shown in Figure 4, the U-shaped fixing groove 20 is used as a relative The lateral fixed supports of the adjacent two roof bottom plates, the U-shaped fixing grooves 20 are fixed on the purlins 22, and the adjacent two bottom plates are fixed on the U-shaped fixing grooves 20 by self-tapping screws 21 from the side, thereby fixing the roof bottom plates on the On the purlin 22, there is no need to fix the bottom plate and the purlin 22 by self-tapping screws on the surface of the bottom plate, which avoids the water leakage problem caused by the nail holes, and at the same time, the sporadic leakage water received on the bottom plate can be fixed by the lateral nails. In order to solve the problem of downward leakage at the hole, the self-tapping screw 21 can be placed at a certain height from the bottom plate 1 of the bottom plate, and at the same time, the nail hole of the self-tapping screw 21 can be waterproofed to effectively prevent the bottom plate from leaking and improve the safety of the roof bottom plate. waterproof performance; and the overlap between the joints of the adjacent two roof slabs strengthens the strength of the self-tapping screw 21 fixing point, thereby improving the tensile bearing capacity of the self-tapping screw 21 fixing the bottom slab, and the connection between the roof slab and the purlin 22 strength and stability of the connection.

As an implementation of the connection between the above two roof bottom plates, as shown in Figure 1, Figure 2 and Figure 3, the connecting piece 1 of the supporting rib 1 is designed as a bent structure, and at the same time, the plate rib and the connecting piece of the supporting rib 2 The second piece is designed as a bending structure that matches the first connecting piece, and the structure composed of the plate rib of the supporting rib 2 of one roof slab and the connecting piece 2 can be sleeved on the connecting piece 1 of the supporting rib 1 of another adjacent roof slab. in the bending structure. Specifically, the connector has a second oblique folded edge 10 extending obliquely upward along the plate rib, a second transverse folded edge 11 extending horizontally outward from the upper end of the second inclined folded edge 10, and a second transverse folded edge 11 extending horizontally outward from the upper end of the second transverse folded edge The vertical flanging 12 that the free end of edge 11 extends vertically downwards, thereby the second oblique flanging 10, the second transverse flanging 11 and the vertical flanging 12 constitute the bending structure of connector one, and as shown in Figure 3 As shown, in the matching adjacent roof bottom plate, the plate rib 2 3 is a vertical plate extending upwards perpendicular to the bottom plate 1, and the vertical plate is located inside the vertical edge 12 of the above-mentioned bending structure. And coincident with it, the connecting piece 2 has a third transverse fold 5 extending horizontally outward along the end of the plate rib 2 3 , and extends obliquely downward from the free end of the third transverse fold 5 to the outside of the bottom plate 1 The third oblique fold 4 is provided. The third transverse fold 5 is located inside the second transverse fold 11 of the above-mentioned bending structure and is attached to it. The third oblique fold 4 is located at the first The inner sides of the two oblique folds 10 are attached to each other, and the connecting piece 1 and the connecting piece 2 of the adjacent two roof slabs overlap and overlap through multiple folded edges, which strengthens the strength of the connection between the two roof slabs.

As an optimized implementation mode, on the basis of the above-mentioned embodiments, the free end of the vertical flange 12 of the connecting piece 1 is connected with an outer oblique flange 13 extending obliquely downward to the outside of the bottom plate 1 , the leaking water is drained outwards through the outer oblique fold 13, so that the leaking water flows to the bottom plate 1 of the roof floor, thereby preventing the leaking water from flowing into the overlapping gap between the plate rib 2 3 and the vertical fold 12, further The waterproof performance of the roof bottom slab is improved; moreover, outwardly expanding outward oblique folds 13 are arranged at the end of the bottom slab, which is beneficial to the stacking of the bottom slabs and facilitates the transportation of the roof bottom slab.

As an optimized embodiment, as shown in FIG. 2, the plate rib has a vertical section 6 extending upward from the end of the bottom plate 1, a horizontal section 9 connected to the connecting piece, and a connecting vertical section 6. and the bent section of the horizontal section 9, the horizontal section 9 of the plate rib 1 and the bent section and the connecting piece 1 form a groove structure, specifically, the bent section includes horizontally extending outward along the top of the vertical section 6 The first transverse fold 7 of the first transverse fold 7, and the first oblique fold 8 extending obliquely down to the horizontal section 9 along the end of the first transverse fold 7, the inclination angle of the first oblique fold 8 is the same as that of the first connecting piece The inclination angles of the two oblique folded edges 10 are complementary, and the design of this incline structure has a certain degree of elasticity under the action of pressure or tension, and can be deformed moderately and returned to the original shape, improving the deformation resistance of the roof bottom plate, and at the same time, the appearance is more beautiful; and The groove structure has a certain water storage capacity, and the rainwater leaked from the roof can be exported through the groove structure, which further improves the waterproof performance of the roof bottom plate system.

In a further optimized embodiment, as shown in FIG. 1, several stiffeners 2 are arranged at intervals on the bottom plate 1, and the extension direction of the stiffeners 2 is parallel to the length direction of the first support rib and the second support rib, The arrangement of the stiffeners 2 improves the longitudinal bending resistance of the bottom plate 1, thereby increasing the strength of the roof bottom plate.

Example 2:

On the basis of the above embodiments, as shown in Figure 4, this embodiment provides a roof panel system for improving waterproof performance, including the above-mentioned roof bottom plate, and a top plate 14 arranged above the roof bottom plate, adjacent to the top plate 14 They are connected by a locking device, and the connection between two adjacent roof slabs is connected with the locking device through a support component.

Wherein, the locking device includes a support keel 16 and a buckle cover 17, the end of the top plate 14 is clamped between the support keel 16 and the buckle cover 17, and the lower end of the support keel 16 is connected with the support assembly; the buckle The edge of the cover 17 has a flange 18 extending outward and obliquely downward. The support keel 16 is located in the vertical projection of the buckle cover 17, and the top plate 14 is fixed by bolts between the support keel 16 and the buckle cover 17. A cap 19 is provided above the buckle cover 17, and the bolt cover is covered in the cap 19, and the end of the cap 19 is folded back along the end of the flange 18 to overlap with the end of the top plate 14, and the cap 19 can prevent the bolt from being damaged. Corrosion by rainwater can prevent rainwater from infiltrating into the support keel 16 through the screw holes on the buckle cover 17, which further improves the waterproof performance of the roof panel system. The support assembly includes a bracket 15 with an inverted U-shaped connecting groove, and the bracket 15 is buckled upside down at the junction of two adjacent roof slabs, thereby covering the connection gap between the adjacent two roof slabs and preventing leakage of water from flowing into its connection. The gap, the upper end of the bracket 15 is connected with the locking device, which can support the upper roof 14 and improve the stability of the roof panel system.

To sum up, in the roof base plate with improved waterproof performance provided by the present invention, the connection between two adjacent roof base plates is overlapped by connecting piece 1 of supporting rib 1 and connecting piece 2 of supporting rib 2, and the installation is simple and convenient. The connection is firm, and the installation gap is an inwardly bent structure, which can effectively avoid rainwater leakage and backflow, improve the waterproof performance of the roof slab bottom, and at the same time strengthen the strength of the roof bottom slab connection.

The above examples are only illustrations of the present invention, and do not constitute a limitation to the protection scope of the present invention. All designs that are the same as or similar to the present invention fall within the protection scope of the present invention.

Claims (9)

1. A roof bottom plate that improves waterproof performance, is characterized in that: comprise bottom plate (1) and support rib one and support rib two that are respectively arranged on the opposite ends of bottom plate (1), described support rib one includes by The plate rib 1 extending outward from the end of the bottom plate (1), and the connecting piece 1 used to overlap and fix the support rib 2 of the adjacent roof bottom plate, the support rib 2 includes a The second plate rib (3) extending outward, and the second connecting piece used to overlap and fix the supporting rib one of the adjacent roof bottom plate. 2. The roof base plate with improved waterproof performance as claimed in claim 1, characterized in that: several stiffeners (2) are arranged at intervals on the bottom plate (1), and the extension directions of the stiffeners (2) are parallel in the length direction of the first supporting rib and the second supporting rib. 3. The roof base plate for improving waterproof performance as claimed in claim 1, characterized in that: the plate rib has a vertical section (6) extending upward from the end of the bottom plate (1), connected with the connecting piece A horizontal section (9), and a bent section connecting the vertical section (6) and the horizontal section (9). 4. The roof base plate with improved waterproof performance as claimed in claim 3, characterized in that: said bent section comprises a first transverse fold (7) extending horizontally outward along the top end of the vertical section (6), and The end of the first transverse fold (7) extends obliquely downward to the first oblique fold (8) of the horizontal section (9). 5. The roof base plate for improving waterproof performance as claimed in claim 1, characterized in that: said connector has a second bevelled edge (10) extending obliquely upward along the plate rib, and the second beveled edge (10) is formed by the second bevelled edge ( 10) A second transverse fold (11) extending horizontally outward from the upper end, and a vertical fold (12) vertically extending downward from the free end of the second transverse fold (11). 6. The roof base plate with improved waterproof performance according to claim 5, characterized in that: the free end of the vertical flange (12) is connected with an outer slope extending obliquely downward to the outside of the bottom plate (1). Hem (13). 7. The roof bottom plate for improving waterproof performance as claimed in claim 5, characterized in that: said plate rib two (3) is a vertical plate extending upwards perpendicular to the bottom plate, and the vertical plate of the connector one of the roof bottom plate Fit to the plate rib two (3) of flange (12) and adjacent roof bottom plate. 8. The roof bottom slab for improving waterproof performance as claimed in claim 5, characterized in that: the second connector has a third transverse flange (5) extending horizontally outward along the end of the second rib (3), and The third oblique hem (4) extending obliquely downward from the free end of the third transverse hem (5) to the outside of the bottom plate (1), the third transverse hem (5) of a roof bottom plate and the third The oblique folds (4) are respectively attached to the second transverse folds (11) and the second oblique folds (10) of the adjacent roof base plates. 9. A roof panel system for improving waterproof performance, characterized in that: it comprises the roof base plate according to any one of claims 1 to 8, and a top plate (14) arranged above the roof base plate, adjacent to the roof plate (14). The space between them is connected by a locking device, and the connection between two adjacent roof slabs is connected with the locking device through a support component.