CN212026893U - Heat preservation and insulation structure of passive room steel construction cornice - Google Patents
Heat preservation and insulation structure of passive room steel construction cornice Download PDFInfo
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- CN212026893U CN212026893U CN201922070864.1U CN201922070864U CN212026893U CN 212026893 U CN212026893 U CN 212026893U CN 201922070864 U CN201922070864 U CN 201922070864U CN 212026893 U CN212026893 U CN 212026893U
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Abstract
The utility model discloses a heat preservation and insulation structure of cornice of steel structure of passive house, which relates to the technical field of passive house, the technical proposal comprises a steel beam extending out of the wall body, a plurality of fixed ribs vertically welded on the side surface and the bottom surface of the steel beam, the free ends of the fixed ribs are provided with external threads, the side surface and the bottom surface of the steel beam are pasted with heat preservation plates, the length of the fixed ribs is less than the thickness of the heat preservation plate, the fixed ribs penetrate into the heat preservation plate, the corresponding parts of the outer surface of the heat preservation plate and the fixed ribs are provided with concave cavities, and the heat preservation plate is fixed; the surface of the insulation board is provided with a gridding cloth layer and a plastering mortar layer. The utility model has the advantages that can fix insulation construction on the girder steel of cornice of passive room, prevent that the heat bridge from producing, firm in connection is reliable moreover.
Description
Technical Field
The utility model relates to a heat retaining technical field of passive room steel construction, in particular to heat preservation thermal-insulated structure who cornices by passive room steel construction.
Background
At present, with the increasing importance of people on energy conservation and environmental protection, various technologies with low energy consumption are developed vigorously in the field of buildings, and one energy-saving building is a passive house. The passive house is an integrator of various technical products, and the total amount of all consumed primary energy sources does not exceed 120 kilowatt-hour/(square meter-year) by fully utilizing renewable energy sources. The low energy consumption standard is realized by building external walls with high heat and sound insulation and strong sealing performance and renewable energy sources, wherein the comprehensive heat preservation and heat insulation of the building are the most important factors.
However, the passive house is still in the starting stage in China, the design atlas has many imperfections, and particularly, the design of local nodes is not standardized. As shown in figure 1, a certain passive building engineering in Beijing is mainly a steel structure framework, an ALC plate is adopted as a wall body, a rock wool plate is adopted as a heat insulation layer for an outer wall of a building, a cornice 91 is arranged on the highest layer of the building, a floor slab 92 is poured on an outwards-extending H-shaped steel beam, and a parapet wall 93 is arranged at the edge of the floor slab. The H-shaped steel beam 1 with the overhanging cornice needs to be subjected to heat preservation treatment, so that a heat bridge is avoided. However, no standard design drawing set exists for the nodes for arranging the insulation boards on the steel beam structure, and particularly, the cantilever beam structure located outdoors is provided. Because outdoor cornice 91 can receive wind load, the requirement that the heated board installation is firm can't be satisfied in conventional design, so need design a new node structure and solve this problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a thermal-insulated structure that keeps warm of corning of passive room steel construction, its advantage can fix insulation construction on the girder steel of corning of passive room, firm in connection is reliable moreover.
The above object of the present invention can be achieved by the following technical solutions: the heat insulation plate comprises a steel beam extending out of a wall body, and a plurality of fixing ribs vertically welded on the side surface and the bottom surface of the steel beam, wherein external threads are arranged at the free ends of the fixing ribs, heat insulation plates are pasted on the side surface and the bottom surface of the steel beam, the length of the fixing ribs is smaller than the thickness of the heat insulation plate, the fixing ribs penetrate into the heat insulation plate, concave cavities are formed in the positions, corresponding to the fixing ribs, of the outer surface of the heat insulation plate, and the ends of the fixing; the surface of the insulation board is provided with a gridding cloth layer and a plastering mortar layer.
According to the technical scheme, the fixing ribs penetrate into the heat insulation plate, and the heat insulation plate is fixed after the heat insulation plate is tightly pressed by the nuts, so that the influence of wind load can be effectively resisted, and the heat insulation plate is firmly fixed on the steel beam; and the ends of the nut and the fixing rib are hidden in the heat insulation plate, so that the fixing rib is prevented from forming a heat bridge.
The utility model discloses further set up to: the sealing cover body is matched with the concave cavity and seals the concave cavity, and the sealing cover body is processed by graphite polystyrene board or rock wool.
Through above-mentioned technical scheme, fill the cavity for the heated board surface is level and smooth, has made things convenient for the construction of net cloth and plastering mortar, and the closing cap body keeps apart fixed muscle end moreover, has further prevented the production of heat bridge.
The utility model discloses further set up to: an anchoring washer is arranged between the nut and the heat insulation plate.
Through above-mentioned technical scheme, solid gasket acts as the effect of gasket, has increased the area of contact with the heated board, has increased the stress surface for the heated board installation is more firm.
The utility model discloses further set up to: the fixed muscle overcoat is equipped with closely fixed sleeve pipe, closely fixed sleeve pipe and anchor packing ring integrated into one piece.
Through above-mentioned technical scheme, inseparable adapter sleeve will fix the gap between muscle and the heated board and fill, avoid the heat from the inside transmission in gap, inseparable adapter sleeve is fixed with the heated board extrusion in addition, has realized the temporary fixation of anchor packing ring, has made things convenient for the installation of follow-up nut, has further strengthened being connected of heated board and girder steel simultaneously.
The utility model discloses further set up to: the free end of the fixing rib is a pointed end.
By the technical scheme, the installation of the heat insulation plate, the tightly fixed sleeve and the nut is facilitated, and the construction efficiency is improved; and make things convenient for the workman to install and find the position of fixed muscle fast through pressing after accomplishing the rock wool board.
The utility model discloses further set up to: the heat preservation board is a rock wool board.
Through above-mentioned technical scheme, the rock wool board has fine thermal insulation performance, and convenient fixed muscle penetrate moreover, has improved the efficiency of construction, and current rock wool strip product size in the rock wool board is less moreover, is used in the outer heat preservation to the girder steel, simple to operate. The rock wool strips are installed firstly, the positions of the fixing ribs are found by pressing, then the cavities are formed, the operation that the cavities need to be aligned with hole positions after being formed in advance is avoided, the installation efficiency is higher, and the installation positions of the cavities are more accurate.
The utility model discloses further set up to: the fixed muscle on every face of girder steel is provided with two rows, and the mutual finished product font of many fixed muscle is arranged.
Through the technical scheme, the fixing ribs are staggered up and down, so that the installation of the heat-insulating plate, particularly the rock wool strip, is facilitated, and the arrangement of the concave cavity on the rock wool strip and the installation of the tight fixing sleeve and the nut are also facilitated.
To sum up, the utility model discloses following beneficial effect has:
1. the fixing ribs penetrate through the heat insulation board, and the fixing of the rock wool heat insulation board is realized after the heat insulation board is tightly pressed by the nuts, so that the influence of wind load can be effectively resisted, and the heat insulation board is firmly fixed on the steel beam;
2. the length of the fixing rib is smaller than the thickness of the heat insulation plate, and the nut and the end head of the fixing rib are hidden in the rock wool heat insulation plate by combining the arrangement of the concave cavity, so that a heat bridge formed by the fixing rib is avoided;
3. the pointed ends of the fixing ribs are arranged, so that the rock wool board, the heat-insulating sleeve and the nut are convenient to mount, and workers can find the positions of the fixing ribs in a pressing mode more conveniently;
4. the capping body plays a better heat insulation role, and the anchoring washer and the tight fixing sleeve strengthen the connection between the heat insulation board and the steel beam, so that the overall performance of the steel beam heat insulation structure is better.
Drawings
FIG. 1 is a schematic diagram of a cornice structure of a passive house in the background art;
FIG. 2 is a schematic bottom view of a connection structure of the insulation board;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic structural bottom view of the insulation structure after installation and when the mesh cloth and the plastering mortar are not constructed.
Reference numerals: 1. a steel beam; 2. fixing the ribs; 3. rock wool boards; 31. an integral rock wool panel; 4. a concave cavity; 5. an anchor washer; 6. tightly fixing the sleeve; 7. a cover sealing body; 91. cornice; 92. a floor slab; 93. a parapet wall.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
the utility model provides a thermal-insulated structure that keeps warm that passive room steel construction cornices, combines fig. 2 and fig. 3, including the H shaped steel girder 1 of outer wall body of stretching out and many length of vertical welding at 1 side of girder steel and bottom surface be 190 mm's fixed muscle 2, the free end of fixed muscle 2 sets up the external screw thread, and fixed muscle 2 can be the harness cord that the diameter is 6 mm. Two layers of rock wool boards 3 with the thickness of 100mm are adhered to the side surfaces of the H-shaped steel beams 1, and the fixing ribs 2 penetrate into the rock wool boards 3. The outer surface of the rock wool board 3 is provided with a round concave cavity 4 corresponding to the fixing rib 2, and the depth of the concave cavity 4 is 5-6 cm. An anchoring washer 5 is arranged between the nut and the heat insulation plate, and the anchoring washer 5 can be a common plastic washer or a heat insulation washer made of polyurethane materials. The fixed bar 2 is sleeved with a tight fixed sleeve 6, the tight fixed sleeve 6 and the anchoring washer 5 are integrally formed, and the existing passive anchor bolt can be used for cutting off a nail head (a part with a smaller diameter which is inserted into concrete) and only an anchor disc and an original anchor bolt cavity tube part are left to serve as the anchoring washer 5 and the tight fixed sleeve 6. The tight fixing sleeve 6 is squeezed between the fixing rib 2 and the rock wool plate, so that the fixing of the anchoring washer 5 is realized. The heat insulation plate is fixed after the end socket of the fixing rib 2 is sleeved with a gasket and screwed into the nut. The cavity 4 is further closed by a closure body 7 shaped to fit the circular cavity 4. The cover body 7 can be made of graphite polystyrene board or rock wool. The outer surface of the rock wool board 3 is provided with a gridding cloth layer, a plastering mortar layer and a decorative layer.
Furthermore, the end of the free end of the fixing rib 2 can be processed into a pointed end, so that the fixing rib 2 can be conveniently inserted into the rock wool board 3, and the fixing sleeve 6 and the nut can be conveniently and tightly fixed and installed.
Specifically, the fixed muscle 2 of every surface of H shaped steel roof beam 1 sets up to two rows, and the finished product font interval sets up, explains with the H shaped steel roof beam 1 of 400mm height as the example, and the interval that welds two rows of fixed muscle 2 on the web is 200mm, and the distance of every row of fixed muscle 2 and H shaped steel roof beam 1 flange board is 100 mm. The distance between two adjacent fixing ribs 2 in each row is 300 mm. The arrangement mode of the fixing ribs 2 on the flange plate at the bottom of the H-shaped steel beam 1 is the same as that of the fixing ribs 2 on the web plate.
Referring to fig. 1 and 4, the steel beam 1 of the cornice 91 structure in the steel structure passive room includes a transverse steel beam 1 (see fig. 1) perpendicular to the parapet wall 93 and a longitudinal steel beam 1 (see fig. 4) parallel to the parapet wall 93, and the heat insulation structure can be adopted as long as the steel beam 1 structure located outside the wall body needs heat insulation treatment. The longeron that is located parapet 93 bottom can be earlier filled to with one deck rock wool board 3 to with parapet 93 surface parallel and level after, adopts whole rock wool board 31 to carry out the full coverability to parapet 93 and longeron, whole rock wool board 31 utilizes the heat preservation nail to fix on parapet 93.
The construction method of the heat insulation structure comprises the following construction steps:
firstly, vertically welding fixed ribs 2 on the outer surface of a steel beam 1, wherein the fixed ribs 2 are arranged at intervals;
secondly, installing the rock wool plate 3, wherein the fixed ribs 2 welded in advance directly penetrate through the rock wool plate 3;
thirdly, a worker presses the rock wool board 3 by hand, finds the position of the fixing rib 2, opens a round or square concave cavity 4 at the corresponding position of the fixing rib 2 on the outer surface of the rock wool board 3, then sleeves the anchoring gasket 5 and the tight fixing sleeve 6 into the fixing rib 2, and the anchoring gasket 5 is abutted against the bottom surface of the concave cavity 4;
fourthly, installing a gasket on the fixing rib 2 and screwing a nut into the gasket to tightly press and fix the anchoring gasket 5 and the rock wool plate 3;
installing a sealing cover body 7 made of a graphite polyphenyl plate in the cavity 4, sealing the cavity 4, wherein the size of the sealing cover body 7 is slightly larger than that of the cavity 4, and fixing the sealing cover body 7 by utilizing the elasticity of rock wool;
and step six, paving grid cloth on the outer surface of the rock wool board 3, and constructing plastering mortar and a decorative layer.
In the utility model, the fixing ribs 2 penetrate into the heat-insulating plate, and the fixing of the rock wool heat-insulating plate is realized after the heat-insulating plate is compressed by the nuts, so that the influence of wind load can be effectively resisted, and the heat-insulating plate is firmly fixed on the steel beam 1; the length of the fixing rib 2 is smaller than the thickness of the heat insulation plate, and the nut and the end head of the fixing rib 2 are hidden in the rock wool heat insulation plate by combining the arrangement of the concave cavity 4, so that a heat bridge formed by the fixing rib 2 is avoided; the sealing cover body 7 plays a better heat insulation role, the anchoring gasket 5 and the tight fixing sleeve 6 strengthen the connection between the heat insulation plate and the steel beam 1, and the overall performance of the heat insulation structure of the steel beam 1 is better.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a heat preservation and heat insulation structure that passive room steel construction cornices, characterized by: the insulation board comprises a steel beam (1) extending out of a wall body, and a plurality of fixing ribs (2) vertically welded on the side face and the bottom face of the steel beam (1), wherein external threads are arranged at the free ends of the fixing ribs (2), insulation boards are pasted on the side face and the bottom face of the steel beam (1), the length of each fixing rib (2) is smaller than the thickness of the insulation board, the fixing ribs (2) penetrate into the insulation board, a concave cavity (4) is formed in the outer surface of the insulation board and the corresponding position of the fixing ribs (2), and the insulation board is fixed after the end heads of the fixing ribs; the surface of the insulation board is provided with a gridding cloth layer and a plastering mortar layer.
2. The heat-insulating structure for the cornice of the steel structure of the passive house as claimed in claim 1, which is characterized in that: the sealing cover is characterized by further comprising a sealing cover body (7) which is matched with the concave cavity (4) and seals the concave cavity (4), wherein the sealing cover body (7) is formed by processing graphite polystyrene boards or rock wool.
3. The heat-insulating structure for the cornice of the steel structure of the passive house as claimed in claim 1, which is characterized in that: an anchoring washer (5) is arranged between the nut and the heat insulation plate.
4. The heat preservation and insulation structure for the cornice of the steel structure of the passive house according to claim 3, which is characterized in that: the fixed rib (2) is sleeved with a tight fixed sleeve (6), and the tight fixed sleeve (6) and the anchoring washer (5) are integrally formed.
5. The heat insulation structure for the steel structure cornice of the passive house according to any one of claims 1 to 4, which is characterized in that: the end of the free end of the fixing rib (2) is a pointed end.
6. The heat insulation structure for the steel structure cornice of the passive house according to any one of claims 1 to 4, which is characterized in that: the heat preservation board is a rock wool board (3).
7. The heat insulation structure for the steel structure cornice of the passive house according to any one of claims 1 to 4, which is characterized in that: the fixed ribs (2) on each surface of the steel beam (1) are arranged in two rows, and the plurality of fixed ribs (2) are arranged in a finished product shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922070864.1U CN212026893U (en) | 2019-11-25 | 2019-11-25 | Heat preservation and insulation structure of passive room steel construction cornice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922070864.1U CN212026893U (en) | 2019-11-25 | 2019-11-25 | Heat preservation and insulation structure of passive room steel construction cornice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212026893U true CN212026893U (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922070864.1U Active CN212026893U (en) | 2019-11-25 | 2019-11-25 | Heat preservation and insulation structure of passive room steel construction cornice |
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| Country | Link |
|---|---|
| CN (1) | CN212026893U (en) |
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2019
- 2019-11-25 CN CN201922070864.1U patent/CN212026893U/en active Active
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