Flexible anti-seepage expansion joint node of steel gutter
By using flexible waterproof expansion joints, the cracking and leakage problems caused by thermal expansion and contraction of steel gutters were solved by using flexible materials and multiple waterproof measures, which improved the waterproof effect and simplified the construction process.
Patent Information
- Application Number
- CN202520039150.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-08
AI Technical Summary
In existing technologies, the rigid joints of steel gutter expansion joints are prone to cracking and leakage during thermal expansion and contraction.
Flexible waterproof expansion joints are used, including gutter end plates, sealing mortar, waterproof covers and protective covers. The simple joints are constructed with flexible materials and multiple waterproof measures to avoid the cracking problems caused by rigid connections.
It effectively improves the waterproof performance of steel gutters, avoids cracking caused by thermal expansion and contraction, and is easy to construct with strong impermeability.
Smart Images
Figure CN223675694U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of building structure, and particularly relates to a steel gutter flexible anti-seepage expansion joint node. BACKGROUND
[0002] The steel gutter is an important component of the building roof drainage system, and is mainly used for temporarily collecting rainwater and timely draining away through the downspout. The steel gutter is particularly long in the length direction, and will expand or shrink with the change of temperature due to the characteristics of the steel structure material, which will cause the deformation of the structure. Therefore, the longer steel gutter should be disconnected in the middle and provided with the expansion joint node to avoid the expansion and deformation thereof. Whether the structure of the steel gutter expansion joint node is reasonable directly affects the waterproof effect of the building roof. If the node is not handled well, the pulling and cracking and water leakage problems will inevitably occur at the place, and therefore a steel gutter flexible anti-seepage expansion joint node needs to be designed. SUMMARY
[0003] The utility model aims at solving the pulling and cracking problem of the steel gutter expansion joint rigid node due to thermal expansion and cold shrinkage in the prior art, and provides a steel gutter flexible anti-seepage expansion joint node.
[0004] The specific technical scheme adopted by the utility model is as follows:
[0005] The utility model provides a steel gutter flexible anti-seepage expansion joint node, the expansion joint is located between the left gutter and the right gutter of the disconnected steel gutter, the expansion joint node comprises a gutter head plate, sealing mortar, a waterproof cover sheet, a protective cover sheet and a fastener, the gutter head plate is arranged at the end of the left gutter and the right gutter, the part of the gutter head plate which is higher than the left gutter and the right gutter is bent towards the expansion joint direction to form a horizontal bending surface, the waterproof cover sheet is arranged on the bending surface of the gutter head plate between the left gutter and the right gutter, the waterproof cover sheet is made of flexible material and covers the entire expansion joint, the sealing mortar for waterproofing is arranged between the waterproof cover sheet and the bending surface of the gutter head plate, the protective cover sheet is arranged above the waterproof cover sheet, the protective cover sheet comprises a web and upper flanges and lower flanges which are vertically arranged on both sides of the web, and the upper flanges and the lower flanges are on the same side of the web, the web of the protective cover sheet is fixedly connected with the bending surface of the gutter head plate below through the fastener, and the upper flanges and the lower flanges of the protective cover sheet are tightly attached to the left gutter and the right gutter respectively.
[0006] Preferably, the width of the expansion joint between the left gutter and the right gutter is 80-100mm.
[0007] Preferably, the gutter head plate is made of stainless steel plate or galvanized steel plate.
[0008] Preferably, the width of the bending surface of the gutter head plate is 10-15mm.
[0009] As a preference, the protective cover sheet is made of a C-shaped stainless steel sheet or a galvanized steel sheet.
[0010] As a preference, the web portion of the protective cover sheet has a width of 140-160 mm.
[0011] As a preference, the upper flange and the lower flange of the protective cover sheet have a width of 40-60 mm.
[0012] As a preference, the fastener is a pull-rivet.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] The utility model discloses a flexible anti -infiltration expansion joint node for steel gutter, this node sets up three waterproof measures, can effectively promote the anti -infiltration, and this node simple structure, the field construction is convenient. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is steel gutter flexible anti -infiltration expansion joint node schematic diagram provided for this embodiment;
[0016] Figure 2 It is Figure 1 the section view at A-A;
[0017] Figure 3 It is Figure 1 the section view at B-B;
[0018] The mark in the drawing is: left gutter 1, right gutter 2, gutter head plate 3, sealing mastic 4, waterproof cover sheet 5, protective cover sheet 6, fastener 7. DETAILED DESCRIPTION
[0019] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, obvious, the specific embodiment of the utility model is explained in detail below with the drawings. In the following description, a lot of specific details are set forth in order to fully understand the utility model. But the utility model can be implemented in many other ways different from the description, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the following disclosed specific embodiments. The technical features in each embodiment of the utility model can be combined correspondingly without mutual conflict.
[0020] As Figure 1 shown, as a kind of preferred embodiment of the utility model specific implementation, this embodiment provides a kind of steel gutter flexible anti -infiltration expansion joint node.
[0021] As Figure 2As shown, the steel gutter is broken to form a 100mm expansion joint, and the expansion joint is flanked by the left gutter 1 and the right gutter 2. It should be noted that the width of the expansion joint is not specifically limited in the present application, and the width of the expansion joint is generally between 80-100mm. Those skilled in the art can select an appropriate size of expansion joint node material according to the width of the expansion joint.
[0022] In the present application, the expansion joint node comprises a gutter head plate 3, a sealing mastic 4, a waterproof cover 5, a protective cover 6 and a fastener 7. The gutter head plate 3 is arranged at the end of the left gutter 1 and the right gutter 2, and the gutter head plate 3 is arranged perpendicular to the opening of the left gutter 1 and the right gutter 2, and the gutter head plate 3 is higher than the left gutter 1 and the right gutter 2. The part of the gutter head plate 3 that is higher than the left gutter 1 and the right gutter 2 is bent towards the expansion joint, forming a horizontal bending surface. In this embodiment, each gutter head plate 3 is 10mm higher, that is, the width of the bending surface of the gutter head plate 3 is 10mm. The present application does not specifically limit the width of the bending surface of the gutter head plate 3, as long as it can provide a plane for the waterproof cover 5 and the protective cover 6 above, which is generally set to 10-15mm. The gutter head plate 3 can be made of stainless steel plate or galvanized steel plate, which has good corrosion resistance and strength, and can meet the use requirements and environmental conditions of the steel gutter.
[0023] As shown in Figure 3 The waterproof cover 5 is arranged on the bending surface of the gutter head plate 3 between the left gutter 1 and the right gutter 2, and the waterproof cover 5 is made of flexible material and covers the entire expansion joint. The waterproof cover 5 and the bending surface of the gutter head plate 3 are provided with a sealing mastic 4 for waterproofing.
[0024] As shown in Figure 2 The protective cover 6 is arranged above the waterproof cover 5. The protective cover 6 comprises a web and upper and lower flanges arranged vertically on both sides of the web, and the upper and lower flanges are on the same side of the web. In this embodiment, the protective cover 6 is directly made of a C-shaped stainless steel plate, and the width of the web of the C-shaped stainless steel plate is 150mm, and the width of the upper and lower flanges of the C-shaped stainless steel plate is 50mm. The web of the protective cover 6 is fixedly connected to the bending surface of the gutter head plate 3 below by the fastener 7. The upper and lower flanges of the protective cover 6 are tightly attached to the left gutter 1 and the right gutter 2, respectively. It should be noted that the present application does not limit the specific size of the protective cover 6, and those skilled in the art can select an appropriate size of the protective cover 6 according to the width of the expansion joint, as long as it covers the expansion joint. The width of the web of the protective cover 6 is within the range of 140-160mm, and the width of the upper and lower flanges is within the range of 40-60mm. It should be noted that the protective cover 6 can also be made of a galvanized steel plate
[0025] The fastener 7 in this embodiment is a pull rivet. The pull rivet is also called a pull pin or a blind rivet, and is a fastener for fixing a rivet between two components by a pulling force. The pull rivet is easier and quicker to install than welding or bolt connection, and can save labor time and cost, and in addition, the pull rivet can bear high strength tension and shear, so that the connection is more firm.
[0026] The steel gutter flexible anti-seepage expansion joint node provided by the utility model exists three waterproof measures, which are respectively reflected as follows: the C-shaped protective cover sheet provides the first waterproof measure, the flexible waterproof cover sheet material provides the second waterproof measure, and the sealing mortar arranged between the waterproof cover sheet and the gutter head plate bending surface provides the third waterproof measure.
[0027] The above-described embodiments are only a preferred scheme of the utility model, and are not used to limit the utility model. The ordinary skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, all the technical schemes obtained by equivalent replacement or equivalent transformation fall within the protection scope of the utility model.
Claims
1. A flexible anti-infiltration expansion joint for a steel gutter, the expansion joint being located between a left gutter (1) and a right gutter (2) which disconnect a steel gutter, characterized in that, The expansion joint node comprises a gutter end plate (3), sealing cement (4), a waterproof cover (5), a protective cover (6) and a fastener (7); the gutter end plate (3) is arranged at the end of the left gutter (1) and the right gutter (2), the part of the gutter end plate (3) which is higher than the left gutter (1) and the right gutter (2) is bent towards the expansion joint, forming a horizontal bending surface; the waterproof cover (5) is arranged on the bending surface of the gutter end plate (3) between the left gutter (1) and the right gutter (2), the waterproof cover (5) is made of flexible material and covers the entire expansion joint; the sealing cement (4) for waterproofing is arranged between the waterproof cover (5) and the bending surface of the gutter end plate (3); the protective cover (6) is arranged above the waterproof cover (5), the protective cover (6) comprises a web and upper and lower flanges which are arranged vertically on both sides of the web, and the upper and lower flanges are on the same side of the web; the web of the protective cover (6) is fixedly connected with the bending surface of the gutter end plate (3) below through the fastener (7); the upper and lower flanges of the protective cover (6) are tightly attached to the left gutter (1) and the right gutter (2) respectively.
2. The steel gutter flexible barrier expansion joint node of claim 1, wherein, The width of the expansion joint between the left gutter (1) and the right gutter (2) is 80-100 mm.
3. The steel gutter flexible barrier expansion joint node of claim 1, wherein, The gutter end plate (3) is made of stainless steel plate or galvanized steel plate.
4. The steel gutter flexible barrier expansion joint node of claim 1, wherein, The width of the bending surface of the gutter end plate (3) is 10-15 mm.
5. The steel gutter flexible barrier expansion joint node of claim 1, wherein, The protective cover (6) is made of C-shaped stainless steel plate or galvanized steel plate.
6. The steel gutter flexible barrier expansion joint node of claim 1, wherein, The width of the web of the protective cover (6) is 140-160 mm.
7. The steel gutter flexible barrier expansion joint node of claim 1, wherein, The width of the upper and lower flanges of the protective cover (6) is 40-60 mm.
8. The steel gutter flexible barrier expansion joint node of claim 1, wherein, The fastener (7) is a pull rivet.