Roof external gutter structure

By designing an external roof gutter structure, using a combination of gutter body, struts, and tie rods, along with an enclosed system of eaves connectors and insulation cotton, the stability and water seepage issues of the external gutter structure were solved, achieving high stability and water-proof performance, and improving service life and insulation performance.

CN223446512UActive Publication Date: 2025-10-17YANGZHOU LIDUO STEEL STRUCTURE ENG
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Patent Information

Application Number
CN202422699285.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-10-17
Estimated Expiration
2034-11-06

AI Technical Summary

Technical Problem

The existing external gutter structure of steel structure buildings has poor stability, is prone to deformation and damage, and has the potential for water seepage, especially at the screw connection points of the roof panels, which can easily cause rainwater to seep into the interior of the building.

Method used

An external roof gutter structure was designed, which adopts a combination structure of gutter body, struts and tie rods, combined with eaves connectors and insulation cotton closed system. The structure stability is improved by screw connection and galvanized steel plate bending parts, and a closed insulation system is formed to prevent water seepage.

Benefits of technology

It achieves high structural stability, long service life, good anti-water seepage effect, rainwater will not penetrate into the interior of the building, and the thermal insulation effect is significantly improved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223446512U_ABST
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Abstract

The utility model discloses a roof external gutter structure which comprises a gutter body, a rainwater hopper is connected to the bottom of the gutter body, the lower end of the rainwater hopper is connected with a downpipe, gutter supporting rods and gutter pulling strips are arranged in the gutter body at intervals, the gutter supporting rods are U-shaped, the two vertical faces of each gutter supporting rod are attached to the inner surfaces of the two sides of the gutter body respectively, and the gutter pulling strips are Z-shaped. The roof panel is installed on the roof steel support, a cornice connecting piece is arranged between the roof steel support and the roof panel, one end of the cornice connecting piece is fixed to the roof steel support, and the other end of the cornice connecting piece extends to the position above the gutter body and is connected with the roof panel and the gutter brace through screws. The external gutter structure of the roof is high in structural stability, long in service life and good in water seepage prevention effect.
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Description

Technical Field

[0001] The utility model relates to the field of steel structure buildings, in particular to a roof external gutter structure. Background Art

[0002] The roof of a steel structure building should have drainage capabilities. Depending on the building structure and appearance requirements, drainage gutters generally come in two types: internal and external. Internal gutters are more expensive and complex to install; external gutters are cheaper, but due to their overall lightness, they are prone to deformation and damage, resulting in poor structural stability. Furthermore, external gutters are often connected to the roof panels with screws, which poses a risk of water seepage into the building and requires further improvement. Utility Model Content

[0003] The purpose of the utility model is to provide a roof external gutter structure to solve the problems existing in the prior art.

[0004] The purpose of the present utility model is achieved as follows: a roof external gutter structure, including a gutter body, a rain gutter connected to the bottom of the gutter body, the lower end of the rain gutter is connected to the downpipe, the gutter body is spaced apart and provided with gutter support rods and gutter strips, the gutter support rod is U-shaped, and the two facades are respectively affixed to the inner surfaces on both sides of the gutter body, the gutter strip is Z-shaped, the lower end is connected to the bottom surface of the gutter support rod, and the upper end is overlapped on the trough surface of the roof panel, the roof panel is mounted on the roof steel bracket, and an eaves connector is provided between the roof steel bracket and the roof panel, one end of the eaves connector is fixed to the roof steel bracket, and the other end extends to above the gutter body and is connected to the roof panel and the gutter strip by screws.

[0005] The roof external gutter structure of the utility model has high structural stability, long service life and good anti-water seepage effect. Even if leakage occurs at the screw connection position of the roof panel, rainwater will directly fall into the gutter body and will not seep into the interior of the building.

[0006] As a further improvement of the present invention, roof insulation cotton is provided on the roof steel bracket, and wall insulation cotton is provided on the inner side of the exterior wall panel. The roof insulation cotton and the wall insulation cotton are overlapped at the eaves and a full-length L-shaped bending part is provided at the overlapping position, thereby forming a closed insulation system in the building to improve the insulation effect. One bent edge of the L-shaped bending part is connected to the exterior wall panel by screws, and the eaves connecting part is crimped on the other bent edge of the L-shaped bending part and connected to the roof steel bracket by screws. The connection is simple and reliable, can provide stable support for the external gutter, and effectively prevent rainwater, moisture, etc. from penetrating into the interior of the building.

[0007] As a further improvement of the present invention, the L-shaped bending part is formed by bending a galvanized steel plate, which is simple to manufacture and has strong corrosion resistance.

[0008] As a further improvement of the utility model, the first horizontal bending edge and the second horizontal bending edge are connected through screws, and the facade of the gutter support rod on the side close to the outer wall plate is connected to the gutter body through screws, so that the structure has high stability and long service life.

[0009] As a further improvement of the utility model, one end of the eave connecting piece connected to the roof panel is in inverted U-shaped structure, so that the structural strength is further improved.

[0010] As a further improvement of the utility model, the aluminum alloy plug is arranged on the roof panel at the position corresponding to the screw connection position, so that the influence of rain erosion on the connection reliability is reduced. DRAWINGS

[0011] Figure 1 It is a schematic view of the utility model roof external hanging gutter structure.

[0012] Figure 2 It is Figure 1 An enlarged view at K.

[0013] 1, the gutter body, 1A, the first horizontal bending edge, 1B, the lower inclined bending edge, 2, the rainwater head, 3, the downspout, 4, the gutter support rod, 5, the gutter stay, 6, the roof panel, 7, the outer wall plate, 8, the roof steel support, 9, the eave connecting piece, 10, the roof insulation cotton, 11, the wall surface insulation cotton, 12, the L-shaped bending piece, 13, the aluminum alloy plug. CONCRETE IMPLEMENTATION

[0014] As Figures 1-2 shown in the utility model roof external hanging gutter structure, the utility model discloses a roof external hanging gutter structure, which comprises a gutter body 1, the gutter body 1 bottom is connected with a rainwater head 2, and the lower end of the rainwater head 2 is connected with a downspout 3.

[0015] The gutter body 1 is internally spaced apart with a gutter support rod 4 and a gutter stay 5. The gutter support rod 4 is in U-shaped structure, and the two facades are respectively attached to the inner surfaces of the two sides of the gutter body 1. The gutter support rod 4 is provided with a second horizontal bending edge on the side away from the outer wall plate 7, the first horizontal bending edge 1A and the second horizontal bending edge are connected through screws, and the facade of the gutter support rod 4 on the side close to the outer wall plate 7 is connected to the gutter body 1 through screws, so that the structure has high stability and long service life.

[0016] The gutter stay 5 is in Z-shaped structure, the lower end is connected to the bottom surface of the gutter support rod 4 through screws, and the upper end is overlapped on the valley surface of the roof panel 6. The roof panel 6 is provided with an aluminum alloy plug 13 at the position corresponding to the screw connection position, so that the influence of rain erosion on the connection reliability is reduced.

[0017] The roof panel 6 is installed on the roof steel support 8. The roof steel support 8 is a support located on the top of the steel structure building for supporting the roof panel 6. Its structure is the prior art, generally including main purlin, secondary purlin, purlin support and the like, and there are various deformations in specific implementation, which will not be repeated here. The eave connecting piece 9 is arranged between the roof steel support 8 and the roof panel 6, one end of the eave connecting piece 9 is fixed on the roof steel support 8, the other end extends above the gutter body 1 and is connected with the roof panel 6 and the gutter bracing 5 through screws. In the embodiment, the end of the eave connecting piece 9 connected with the roof panel 6 is in inverted U-shaped structure, further improving the structural strength.

[0018] The roof insulation cotton 10 is arranged on the roof steel support 8, and the wall surface insulation cotton 11 is arranged on the inner side of the outer wall panel 7. The roof insulation cotton 10 and the wall surface insulation cotton 11 are overlapped at the eave, and a through L-shaped bending piece 12 is arranged at the overlapping position, so as to form a closed insulation system in the building, improve the insulation effect, and the L-shaped bending piece 12 is connected with the outer wall panel 7 through screws. The eave connecting piece 9 is pressed on the other bending edge of the L-shaped bending piece 12 and is connected with the roof steel support 8 through screws, so that the connection is simple and reliable, can provide stable support for the outer hanging gutter, and effectively prevent rainwater, moisture and the like from penetrating into the building. The L-shaped bending piece 12 is made of galvanized steel plate and is bent, so it is simple to manufacture and has strong corrosion resistance.

[0019] The roof outer hanging gutter structure of the embodiment has high structural stability, long service life and good water seepage prevention effect. Even if the roof panel 6 leaks at the screw connection position, rainwater will directly fall into the gutter body 1 and will not penetrate into the building.

[0020] The utility model is not limited to the above embodiment, on the basis of the technical scheme disclosed in the utility model, the skilled in the art can make some substitutions and deformations to some technical features according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the utility model.

Claims

1. A roof gutter structure, comprising a gutter body, a rain gutter connected to the bottom of the gutter body, and a downpipe connected to the lower end of the rain gutter, characterized in that: Gutter support rods and gutter pull strips are arranged at intervals in the gutter body. The gutter support rods are U-shaped, and the two vertical surfaces are respectively in contact with the inner surfaces on both sides of the gutter body. The gutter pull strips are Z-shaped, with the lower end connected to the bottom surface of the gutter support rod and the upper end overlapped on the trough surface of the roof panel. The roof panel is installed on the roof steel bracket. An eaves connector is provided between the roof steel bracket and the roof panel. One end of the eaves connector is fixed to the roof steel bracket, and the other end extends above the gutter body and is connected to the roof panel and the gutter pull strip by screws.

2. The roof external gutter structure according to claim 1, characterized in that: The roof steel bracket is provided with roof insulation cotton, and the inner side of the exterior wall panel is provided with wall insulation cotton. The roof insulation cotton and the wall insulation cotton are overlapped at the eaves and a full-length L-shaped bending piece is provided at the overlapping position. One bending edge of the L-shaped bending piece is connected to the exterior wall panel by screws, and the eaves connecting piece is crimped on the other bending edge of the L-shaped bending piece and connected to the roof steel bracket by screws.

3. The roof external gutter structure according to claim 2, characterized in that: The L-shaped bending part is formed by bending a galvanized steel plate.

4. The roof external gutter structure according to claim 1, characterized in that: The gutter body has a first horizontal bent edge facing inward on the side away from the exterior wall panel and an inward downwardly inclined bent edge on the side close to the exterior wall panel. The gutter support rod has a second horizontal bent edge facing inward on the side away from the exterior wall panel. The first horizontal bent edge and the second horizontal bent edge are connected by screws, and the facade of the gutter support rod close to the exterior wall panel is connected to the gutter body by screws.

5. The roof external gutter structure according to claim 4, characterized in that: One end of the eaves connector connected to the roof panel is in an inverted U-shaped structure.

6. The roof external gutter structure according to any one of claims 1 to 5, characterized in that: Aluminum alloy plugs are provided on the roof panels at positions corresponding to the screw connection positions.