Downslope waterproof treatment node structure of steel structure out-of-roof air duct

By installing waterproof accessories, supports, baffles, and waterproof reinforcements at the junction of the air duct and the roof of the steel structure building, a double-layer waterproof structure is formed, which solves the problem of easy collapse and leakage at the waterproof joint of the air duct, and improves the waterproof performance and structural strength.

CN222595346UActive Publication Date: 2025-03-11ANHUI FUHUANG STEEL STRUCTURE
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420562843.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-22
Publication Date
2025-03-11
Estimated Expiration
2034-03-22

AI Technical Summary

Technical Problem

In existing steel structure buildings, the waterproof joint structure at the junction of air ducts, air channels and roof is prone to collapse and water accumulation, and is also prone to cracking under the action of thermal expansion and contraction, resulting in water leakage. Later repairs are difficult and the results are not ideal.

Method used

A slope-mounted waterproofing joint structure for a steel structure roof duct is adopted, including waterproof accessories, supports, baffles, waterproof reinforcements, and waterproof membrane, forming a double-layer waterproof structure. One end of the waterproof accessory is attached to the side wall of the duct and folded upward, while the other end covers the end of the roof panel. Angle steel is installed around the baffle to cover the joints. The waterproof reinforcement supports the waterproof accessory between the waterproof accessory and the purlin of the opening, enhancing the waterproof performance.

Benefits of technology

It improves the structural strength and waterproof performance of the waterproof joint, making it less prone to collapse due to water or snow accumulation, preventing water leakage, and featuring a simple and reliable structure with ideal waterproof effect.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222595346U_ABST
    Figure CN222595346U_ABST
Patent Text Reader

Abstract

The utility model discloses a steel structure out-of-roof air duct downslope waterproof treatment node structure, which relates to the technical field of steel structure buildings and comprises waterproof accessories, supports and baffles which are symmetrically arranged on two sides of an air duct in pairs. The end of the roof outer plate is connected with the roof purline through the support, the waterproof accessory is arranged above the support, one end of the waterproof accessory is attached to the side wall of the air duct and is turned upwards and fixed, the other end of the waterproof accessory extends to the position above the end of the roof outer plate and then is bent downwards, and a baffle is arranged on the air duct. A double-layer waterproof structure is adopted, the waterproof accessory with certain strength is arranged at the connecting position of the roof air duct and the roof, one end of the waterproof accessory is attached to the side wall of the roof air duct and folded upwards to be fixed, a joint is shielded by the baffle, the other end of the waterproof accessory is folded downwards to shield the end of the roof outer plate, and the waterproof structure has good structural strength and waterproof performance. The water leakage problem caused by accumulated water and accumulated snow collapse is not easily caused; the waterproof structure is simple and firm in structure, free of water accumulation, not prone to deformation and collapse and ideal in waterproof effect.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure buildings, in particular to a waterproof processing node structure used for a roof air duct along the slope. Background Art

[0002] Steel structure building is a common modern building system. It uses steel components to replace the traditional reinforced concrete or brick-concrete load-bearing system. It has the characteristics of saving resources, protecting the environment, and reducing pollution. It provides people with healthy, applicable, efficient, and environmentally friendly use space and living environment.

[0003] Air ducts and air ducts are a type of structure that runs through the roof of a steel structure building. The traditional method for waterproofing the joints at the junction of the air ducts and air ducts with the roof is to use an integral waterproof board for waterproofing. Air ducts and air ducts are rarely seen in small buildings, but they are facilities that must be installed in large or super-large factories. With the rapid development of steel structure buildings and the rise of large or super-large factory buildings, the problems of waterproof node structures at the junction of air ducts, air ducts and roofs are becoming increasingly prominent. Although the existing waterproof node structures can achieve basic waterproof functions, they are prone to collapse and water accumulation, and are prone to deformation and cracking under the action of thermal expansion and contraction, resulting in water leakage in the building, affecting the normal production and office operations. At the same time, the existing waterproof node structures are difficult to repair in the later stage, and the waterproof effect after repair is not ideal. Utility Model Content

[0004] The utility model is to avoid the deficiencies of the prior art and provides a steel structure roof air duct along the slope waterproofing node structure.

[0005] The utility model adopts the following technical solutions to solve the technical problems: a steel structure roof air duct downslope waterproof treatment node structure, the air duct passes through the hole opened on the roof to the top of the roof, the roof includes roof purlins as a supporting structure and roof outer panels installed on the top of each roof purlin, thermal insulation cotton is laid between the roof outer panels and each roof purlin, the hole is opened between a pair of adjacent roof purlins, and includes waterproof accessories, brackets and baffles symmetrically arranged on both sides of the air duct in pairs;

[0006] The ends of the roof outer panels are connected to the corresponding roof purlins through brackets arranged on the top of the thermal insulation cotton;

[0007] The waterproof attachment is a plate-shaped structure, which is arranged at the joint between the air duct and the roof, and is located above the bracket. One end of the waterproof attachment is attached to the side wall of the air duct and folded upward and fixed, and the other end extends to the top of the end of the roof outer plate and then bends downward to cover the end of the roof outer plate and the bracket.

[0008] The baffle plate for covering the gap between the waterproof accessory and the side wall of the air duct is arranged above the end of the waterproof accessory on the air duct.

[0009] Furthermore, a pair of opening purlins are provided;

[0010] The opening purlin is installed and fixed closely to the side wall of the air duct and the corresponding roof purlin, and a pair of the opening purlins clamp the air duct at both sides of the air duct respectively.

[0011] Furthermore, waterproof reinforcement is provided;

[0012] The waterproof reinforcement support is arranged between the opening purlin and the waterproof attachment.

[0013] Furthermore, the waterproof reinforcement is a Z-shaped plate structure, with a bottom flat plate mounted and fixed to the top of the corresponding opening purlin, a middle vertical plate supported between the corresponding waterproof accessory and the opening purlin, and a top flat plate supported in contact with the bottom of the corresponding waterproof accessory.

[0014] Furthermore, the top plate of the waterproof reinforcement and the corresponding waterproof accessory are fixed at the joint between the two with rivets, and the joint is sealed with glue; the bottom plate of the waterproof reinforcement is fixed to the corresponding opening purlin with rivets.

[0015] Furthermore, a waterproof membrane is provided;

[0016] The waterproof coiled material is laid on the top of the waterproof attachment and the roof outer plate, one end of which extends to the inner corner of the waterproof attachment folded upward, and the other end extends to cover the opening formed between the waterproof attachment and the end of the roof outer plate.

[0017] Furthermore, the bottom of the bracket is installed and fixed to the corresponding roof purlin by self-tapping screws that pass through its own base, the roof outer panel and the insulation cotton in sequence. The top of the bracket is a plate-shaped hook structure with the mouth facing upward. The flange of the roof outer panel is hung in the plate-shaped hook structure to hang the roof outer panel and the bracket.

[0018] Furthermore, the baffle is an angle steel arranged around the entire circumference of the roof outlet air duct, and the opening of the angle steel faces downward and the side wall of the air duct.

[0019] Furthermore, the opening purlins are arranged perpendicularly to the roof purlins.

[0020] Furthermore, the ends of the opening purlins are fixed to the corresponding roof purlins by welding or bolting.

[0021] The utility model provides a steel structure roof wind duct downslope waterproof treatment node structure, which has the following beneficial effects:

[0022] 1. The utility model adopts a double-layer waterproof structure, and a waterproof accessory with a certain strength is arranged at the joint between the roof duct and the roof. One end of the waterproof accessory is attached to the side wall of the roof duct and folded upward for fixing, and the joint is covered with a baffle, and the other end is folded downward to cover the end of the roof outer plate. It has good structural strength and waterproof performance, and is not easy to cause water leakage due to water accumulation and snow collapse.

[0023] 2. The baffle of the utility model adopts angle steel arranged around the whole circumference of the roof air outlet duct, and the opening purlin is arranged in close contact with the roof air outlet duct. While shielding the joint between the plate and the side wall of the roof air outlet duct, the structure of the roof air outlet duct is strengthened to ensure the close fit between the plate and the side wall of the roof air outlet duct, thereby ensuring the overall waterproof performance of the waterproof node.

[0024] 3. A waterproof reinforcement member is added between the waterproof attachment of the utility model and the purlin of the opening to further realize the structural improvement of the waterproof treatment node, optimize the deformation resistance of the waterproof attachment, and avoid water leakage caused by deformation and cracking of the waterproof treatment node.

[0025] 4. The utility model has a simple and firm structure, does not accumulate water, is not easy to deform and collapse, and has an ideal waterproof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the utility model.

[0027] In the figure:

[0028] 1. Air duct; 2. Roof; 21. Roof purlin; 22. Roof outer panel; 3. Waterproof membrane; 4. Waterproof accessories; 5. Bracket; 6. Baffle; 7. Waterproof reinforcement; 8. Thermal insulation cotton; 9. Opening purlin. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] like Figure 1As shown, a steel structure roof duct downslope waterproofing node structure, the structural relationship of which is: the duct 1 passes through the opening opened on the roof 2 to the top of the roof 2, the roof 2 includes each roof purlin 21 as a supporting structure and a roof outer plate 22 installed on the top of each roof purlin 21, and a heat insulation cotton 8 is laid between the roof outer plate 22 and each roof purlin 21. The opening is opened between a pair of adjacent roof purlins 21, including waterproof accessories 4, brackets 5 and baffles 6 symmetrically arranged on both sides of the duct 1 in pairs;

[0031] The end of the roof outer plate 22 is installed and connected with the corresponding roof purlin 21 through the bracket 5 arranged on the top of the thermal insulation cotton 8;

[0032] The waterproof attachment 4 is a plate-like structure, which is arranged at the joint between the air duct 1 and the roof 2, and is located above the bracket 5. One end of the waterproof attachment 4 is attached to the side wall of the air duct 1 and folded upward and fixed, and the other end extends to the top of the end of the roof outer plate 22 and then bends downward to cover the end of the roof outer plate 22 and the bracket 5.

[0033] A baffle 6 is provided above the end of the waterproof attachment 4 on the air duct 1 to cover the gap between the waterproof attachment 4 and the side wall of the air duct 1 .

[0034] Preferably, a pair of opening purlins 9 are also provided;

[0035] The opening purlin 9 is installed and fixed closely to the side wall of the air duct 1 and the corresponding roof purlin 21 , and a pair of opening purlins 9 clamp the air duct 1 at both sides of the air duct 1 .

[0036] Preferably, a waterproof reinforcement member 7 is also provided;

[0037] The waterproof reinforcement member 7 is supported and arranged between the opening purlin 9 and the waterproof attachment 4 .

[0038] Preferably, the waterproof reinforcement member 7 is a Z-shaped plate structure, with its bottom flat plate mounted and fixed to the top of the corresponding opening purlin 9, the middle vertical plate supported between the corresponding waterproof accessory 4 and the opening purlin 9, and the top flat plate supported on the bottom of the corresponding waterproof accessory 4.

[0039] Preferably, the top plate of the waterproof reinforcement 7 and the corresponding waterproof attachment 4 are fixed at the joint between the two with rivets, and the joint is sealed with glue; the bottom plate of the waterproof reinforcement 7 is fixed to the corresponding hole purlin 9 with rivets.

[0040] Preferably, a waterproof coiled material 3 is also provided;

[0041] The waterproof membrane 3 is laid on the top of the waterproof accessory 4 and the roof outer panel 22, with one end extending to the inner corner of the waterproof accessory 4 folded upward, and the other end extending to cover the opening formed between the waterproof accessory 4 and the end of the roof outer panel 22.

[0042] Preferably, the bottom of the bracket 5 is installed and fixed to the corresponding roof purlin 21 by self-tapping screws that pass through its own base, the roof outer panel 22 and the insulation cotton 8 in sequence. The top of the bracket 5 is a plate-shaped hook structure with the mouth facing upward. The flange of the roof outer panel 22 is hung in the plate-shaped hook structure to hang the roof outer panel 22 and the bracket 5.

[0043] Preferably, the baffle 6 is an angle steel arranged around the entire circumference of the roof air duct 1 , and the opening of the angle steel faces downward and the side wall of the air duct 1 .

[0044] Preferably, the opening purlin 9 and the roof purlin 21 are arranged perpendicularly.

[0045] Preferably, the end of the opening purlin 9 is fixed to the corresponding roof purlin 21 by welding or bolting.

[0046] The specific construction process includes the following:

[0047] In the first step, the air duct 1 is installed at the opening opened on the roof 2, and then a pair of opening purlins 9 and corresponding roof purlins 21 are installed and fixed close to the air duct 1 on both sides of the air duct 1 to clamp the air duct 1.

[0048] In the second step, angle steel is welded around the entire circumference of the upper part of the air duct 1 as a baffle 6, with the opening of the angle steel facing downward and the side wall of the air duct 1.

[0049] The third step is to lay the thermal insulation cotton 8 on each roof purlin 21, and then arrange the bracket 5 on the top of the thermal insulation cotton 8, and install and fix the bracket 5 and the roof purlin 21 at the corresponding position with self-tapping screws.

[0050] The fourth step is to install the roof outer panel 22 onto the bracket 5 so that the crest position of the roof outer panel 22 is buckled and locked onto the bracket 5 .

[0051] The fifth step is to fix the bottom plate of the waterproof reinforcement member 7 to the top of the corresponding opening purlin 9 with rivets, so that the top plate of the waterproof reinforcement member 7 is located on the crest of the bracket 5 and the roof outer plate 22 buckled thereon;

[0052] Put cement at the designed anchoring position on the top surface of the bottom plate, then place the waterproof accessory 4 on the waterproof reinforcement 7, and fix the waterproof accessory 4 and the waterproof reinforcement 7 with rivets at the designed anchoring position;

[0053] At this time, one end of the waterproof attachment 4 should be embedded in the angle steel opening close to the side wall of the air duct 1, and the other end should shield the end of the bracket 5 and the roof outer plate 22.

[0054] Step 6: Use waterproof glue to seal the joint between the waterproof accessory 4 and the air duct 1 in the opening of the angle steel.

[0055] The seventh step is to lay the waterproof membrane 3 on the top of the waterproof accessory, with one end extending to the inner corner of the waterproof accessory 4 folded upward, and the other end extending to the opening formed between the waterproof accessory 4 and the end of the roof outer panel 22 to complete the construction.

[0056] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0057] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A steel structure roof air duct downslope waterproof node structure, the air duct (1) passes through an opening opened on the roof (2) to the top of the roof (2), the roof (2) comprises roof purlins (21) as a supporting structure and a roof outer plate (22) installed on the top of each roof purlin (21), thermal insulation cotton (8) is laid between the roof outer plate (22) and each roof purlin (21), the opening is opened between a pair of adjacent roof purlins (21), and is characterized in that: It comprises waterproof accessories (4), brackets (5) and baffles (6) which are symmetrically arranged in pairs on both sides of the air duct (1); The end of the roof outer plate (22) is installed and connected to the corresponding roof purlin (21) via a bracket (5) provided on the top of the thermal insulation cotton (8); The waterproof accessory (4) is a plate-shaped structure, and is disposed at the joint between the air duct (1) and the roof (2), and is located above the bracket (5). One end of the waterproof accessory (4) is attached to the side wall of the air duct (1), folded upward and fixed, and the other end extends to the top of the end of the roof outer plate (22), and then bends downward to cover the end of the roof outer plate (22) and the bracket (5). The baffle plate (6) for covering the seam between the waterproof attachment (4) and the side wall of the air duct (1) is arranged on the air duct (1) above the end of the waterproof attachment (4).

2. A steel structure roof duct downslope waterproofing node structure according to claim 1, characterized in that: A pair of opening purlins (9) are also provided; The opening purlin (9) is installed and fixed closely to the side wall of the air duct (1) and the corresponding roof purlin (21), and a pair of the opening purlins (9) clamp the air duct (1) at two sides of the air duct (1).

3. A steel structure roof duct downslope waterproofing node structure according to claim 2, characterized in that: A waterproof reinforcement member (7) is also provided; The waterproof reinforcement member (7) is supported and arranged between the opening purlin (9) and the waterproof attachment (4).

4. A steel structure roof duct downslope waterproofing node structure according to claim 3, characterized in that: The waterproof reinforcement member (7) is a Z-shaped plate-like structure, the bottom plate of which is mounted and fixed to the top of the corresponding opening purlin (9), the middle vertical plate is supported between the corresponding waterproof attachment (4) and the opening purlin (9), and the top plate is supported by being fitted to the bottom of the corresponding waterproof attachment (4).

5. A steel structure roof duct downslope waterproofing node structure according to claim 4, characterized in that: The top plate of the waterproof reinforcement member (7) and the corresponding waterproof attachment (4) are fixed at the joint between the two by rivets, and the joint is sealed with glue; the bottom plate of the waterproof reinforcement member (7) is fixed to the corresponding opening purlin (9) by rivets.

6. A steel structure roof duct downslope waterproofing node structure according to claim 1, characterized in that: A waterproof roll (3) is also provided; The waterproof coiled material (3) is laid on the top of the waterproof attachment (4) and the roof outer panel (22), with one end extending to the inner corner of the waterproof attachment (4) folded upward, and the other end extending to cover the opening formed between the waterproof attachment (4) and the end of the roof outer panel (22).

7. A steel structure roof duct downslope waterproofing node structure according to claim 1, characterized in that: The bottom of the bracket (5) is fixed to the corresponding roof purlin (21) by self-tapping screws that penetrate the bracket (5), the roof outer panel (22) and the thermal insulation cotton (8) in sequence. The top of the bracket (5) is a plate-shaped hook structure with its mouth facing upward. The flange of the roof outer panel (22) is hung in the plate-shaped hook structure, so that the roof outer panel (22) is hung with the bracket (5).

8. The steel structure roof air duct downslope waterproofing node structure according to claim 1, characterized in that: The baffle (6) is an angle steel arranged around the entire circumference of the roof outlet air duct (1), and the opening of the angle steel faces downward and toward the side wall of the air duct (1).

9. A steel structure roof duct downslope waterproofing node structure according to claim 2, characterized in that: The opening purlin (9) and the roof purlin (21) are arranged vertically.

10. A steel structure roof duct downslope waterproofing node structure according to claim 2, characterized in that: The ends of the opening purlins (9) are fixed to the corresponding roof purlins (21) by welding or bolting.