CN210713502U - Thickening prefabricated sandwich heat preservation wallboard suitable for passive room - Google Patents
Thickening prefabricated sandwich heat preservation wallboard suitable for passive room Download PDFInfo
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- CN210713502U CN210713502U CN201921304044.8U CN201921304044U CN210713502U CN 210713502 U CN210713502 U CN 210713502U CN 201921304044 U CN201921304044 U CN 201921304044U CN 210713502 U CN210713502 U CN 210713502U
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Abstract
The utility model relates to a prefabricated heat preservation wallboard technical field discloses a prefabricated double-layered core heat preservation wallboard of thickening suitable for passive room. The utility model comprises an outer blade plate, a heat preservation layer, an inner blade plate and a pulling piece; the thickness of heat preservation is not less than 200mm, still be provided with the divider film between heat preservation and the interior lamina membranacea, two liang of drawknot pieces that are located the inboard are a set of V-arrangement, arrange at the interval in the wallboard face, and the one end of two drawknot pieces of every group intersects and is fixed in on the outer lamina reinforcing bar net piece in the outer lamina membranacea, and the other end outwards opens, passes heat preservation and divider film respectively after and inner lamina reinforcing bar net piece fixed connection in the interior lamina membranacea, still evenly interval is provided with other aciculiform drawknot pieces around the wallboard along. The utility model discloses be convenient for the construction, low in preparation cost, it is effectual to keep warm, and structural stability and fastness are good.
Description
Technical Field
The utility model relates to a prefabricated heat preservation wallboard technical field especially relates to a prefabricated double-layered core heat preservation wallboard of thickening suitable for passive room.
Background
At present, the domestic fabricated building outer wall mainly adopts a prefabricated sandwich heat-insulation outer wall board which has certain heat-insulation performance; however, the ultra-low energy consumption building has higher requirements on heat preservation and heat insulation, and as a key part in the ultra-low energy consumption building technical system, according to relevant regulations of Germany Passive House Institute (PHI), Beijing City ultra-low energy consumption building demonstration engineering project and the like, the heat transfer coefficient K value of the outer wall of the cold region is generally required to be less than or equal to 0.15W/(m)2·K)。
If the prefabricated sandwich heat-insulation outer wall meets the requirement of the heat transfer coefficient of a passive house, the thickness of the traditional heat-insulation material adopted for the middle-placed heat insulation is increased to 2 to 3 times that of a common building, the thickness of the middle-placed heat insulation reaches 200mm or more, the overhanging part (outer leaf plate and middle-placed heat insulation) of the whole outer wall plate reaches 260mm or more, and the earthquake resistance of the building structure and the safety and stability of the outer protective structure are influenced; in addition, the load-bearing capacity of the tie and the thermal bridge effect need to be taken into account.
According to technical code of prefabricated concrete structures (JGJ1-2014) article 8.2.6: when the prefabricated external wall adopts the sandwich wall board, the following requirements are met: the thickness of the interlayer of the sandwich external wall panel is not suitable to be largeAt 120 mm. The available materials only adopt vacuum heat insulation heat preservation plates (the heat conductivity is 0.006W/(m.K)) with small heat conductivity coefficients, the thickness of the composite heat preservation layer is controlled within 120mm, and the heat transfer coefficient of the outer wall is controlled within 0.15W/(m.K)2K) or less. However, the prefabrication process of the prefabricated external wall panel by adopting the vacuum insulation panel has some problems to be solved, and the reliability and the durability are still to be researched.
SUMMERY OF THE UTILITY MODEL
The utility model provides a be convenient for construction, low in preparation cost, it is effectual to keep warm, the prefabricated double-layered heat preservation wallboard of pressing from both sides of thickening suitable for passive room that structural stability and fastness are good.
The technical problem to be solved is that: the prefabricated wallboard that current high thermal insulation performance required can only choose for use vacuum insulation heated board in order to satisfy the fastness and the stability of structure, and the thickness of strict control heat preservation, but this kind of structure construction degree of difficulty is great, still has some technical difficulties. And the traditional heat-insulating material is adopted, so that the heat-insulating property can not meet the requirement of a passive house.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model is suitable for a thickening prefabricated sandwich heat preservation wallboard of a passive house, which comprises an outer leaf plate, a heat preservation layer, an inner leaf plate and a pulling piece; the method is characterized in that: the thickness of heat preservation is not less than 200mm, still be provided with the biomembrane between heat preservation and the interior lamina membranacea, two liang of drawknot pieces are a set of V-arrangement, arrange at the interval in the wallboard face, and the one end of two drawknot pieces of every group intersects and is fixed in the outer leaf reinforcing bar net piece in the outer lamina membranacea, and the other end outwards opens, passes heat preservation and biomembrane respectively after and interior leaf reinforcing bar net piece fixed connection in the interior lamina membranacea.
The utility model is suitable for a prefabricated double-layered core heat preservation wallboard of thickening in passive room, it is further, every group is two contained angle between the drawknot piece is not more than 100.
The utility model is suitable for a prefabricated double-layered core heat preservation wallboard of thickening in passive room, further, the plane mutually perpendicular at the V-arrangement structure place that adjacent two sets of drawknot spare formed.
The utility model is suitable for a prefabricated double-layered core heat preservation wallboard of thickening in passive room, it is further, the compartment membrane is thickness not less than 0.12 mm's polyethylene film.
The utility model is suitable for a prefabricated double-layered core insulation wallboard of thickening in passive room, it is further, the drawknot piece includes the U-shaped drawknot piece, and the both ends of U-shaped drawknot piece opening part outwards recur in the plane of U-shaped drawknot piece place and form hook portion, and hook portion and outer leaf reinforcing bar net piece hooking and ligature are fixed.
The utility model is suitable for a prefabricated double-layered core heat preservation wallboard of thickening in passive room, it is further, the drawknot piece is still including sharp appear drawknot piece, and both ends outwards recur respectively and form the fixed hook, and two fixed hooks are located the homonymy that sharp appear the drawknot piece, and the fixed hook is established on outer leaf reinforcing bar net piece and the ligature is fixed.
The utility model is suitable for a prefabricated double-layered core insulation wall board of thickening in passive room, it is further, do not the aciculiform drawknot piece perpendicular and the face setting, the open end ligature is fixed on outer leaf reinforcing bar net piece, the other end pass behind heat preservation and the compartment membrane with inner leaf reinforcing bar net piece fixed connection.
The utility model is suitable for a prefabricated double-layered core insulation wallboard of thickening of passive room, it is further, the safety pin shape drawknot spare is buckled for the round steel and is formed, and the wave setting is buckled into to the round steel of open end both sides.
The utility model is suitable for a prefabricated double-layered core heat preservation wallboard of thickening in passive room, it is further, the heat preservation is the extruded sheet, polyphenyl board, perlite board or rock wool board.
The utility model is suitable for a prefabricated double-layered core heat preservation wallboard of thickening in passive room, it is further, the outer leaf plate thickness is 50-60mm, and the thickness of interior leaf plate is 150 supplyes 200mm, and built-in interior leaf reinforcing bar net piece is double-deck setting.
The utility model is suitable for a prefabricated double-layered core heat preservation wallboard of clamp core of thickening in passive room compares with prior art, has following beneficial effect:
the utility model is suitable for a prefabricated double-layered core insulation wall board of thickening of passive room simple structure, preparation simple process is ripe, uses traditional insulation material, and is with low costs, and the thickness of heat preservation is not less than 200mm, connects each lamellar structure through setting up the drawknot piece, improves holistic stability of wallboard and joint strength, ensures the security of wallboard.
The utility model discloses the tie member rigidity itself is big, joint strength is good, and two liang of a set of settings, two tie members are the V-arrangement and arrange, the drawknot power of junction point department is big, though be the strip component, but not point-to-point threadiness drawknot, but the surface form drawknot of minizone, it is good to the firm in connection nature of each layer column structure, interval through coupling assembling sets up, the wholeness and the stability of wallboard have been improved greatly, make to use the great traditional insulation material of thickness to make heat transfer coefficient not higher than 0.15W/(m) and2k) to achieve.
The thickened prefabricated sandwich heat-insulation wall plate suitable for the passive house of the utility model is further explained with the attached drawings.
Drawings
FIG. 1 is a schematic structural view of the thickened prefabricated sandwich thermal insulation wallboard for passive houses of the present invention;
FIG. 2 is a top view of the outer slat of the thickened prefabricated sandwich thermal insulation wallboard of the utility model for a passive house;
fig. 3 is a schematic view showing the arrangement of the tie members on the mesh sheet of the outer blade reinforcement;
fig. 4 is a schematic view of the arrangement structure of the tie members on the mesh sheet of the outer blade reinforcement;
FIG. 5 is a schematic structural view of a U-shaped fastener;
FIG. 6 is a schematic structural view of a linear fastener;
fig. 7 is a schematic structural view of a pin-shaped fastener.
Reference numerals:
1-outer leaf plate; 11-outer leaf reinforcing mesh; 2-insulating layer; 3-a separation membrane; 4-inner leaf plates; 41-inner leaf steel bar net; 5-a U-shaped pull tie; 51-a hook portion; 6-straight line shaped drawknot component; 61-fixed hook; 7-pin-shaped pulling piece.
Detailed Description
As shown in fig. 1 to 7, the thickened prefabricated sandwich thermal insulation wallboard for the passive house of the utility model comprises an outer leaf plate 1, a thermal insulation layer 2, a separation membrane 3, an inner leaf plate 4 and a pulling piece.
As shown in fig. 1, the thickness of the outer leaf plate 1 is 50-60mm, the built-in outer leaf reinforcing mesh 11 is provided, the heat insulation layer 2 is traditional heat insulation material such as extruded sheet, polystyrene board, perlite board or rock wool board, the thickness is not less than 200mm, a separation membrane 3 is provided between the heat insulation layer 2 and the inner leaf plate 4, the separation membrane 3 is polyethylene film with the thickness not less than 0.12 mm; the thickness of the inner leaf plate 4 is 150-200mm, and a double-layer inner leaf steel bar mesh 41 is arranged in the inner leaf plate.
As shown in fig. 3 and 4, the tie pieces are used for connecting various layered structures, every two tie pieces in the plate are arranged in a V shape, the tie pieces are arranged in the plate surface of the wall plate at intervals, the minimum distance between adjacent tie pieces is not more than 300mm, the minimum distance between the tie pieces and the edge of the wall plate is not less than 150mm, one end of each group of two tie pieces is fixed on the outer leaf steel mesh 11 in an intersecting manner, the other end is opened outwards, and the two tie pieces are fixedly connected with the inner leaf steel mesh 41 after respectively penetrating through the heat-insulating layer 2 and the separation film 3; the included angle between the two pulling pieces is not more than 100 degrees; the planes of the V-shaped structures formed by the two adjacent groups of the pulling pieces are mutually vertical, and the heat preservation layer 2 is attached to the outer wall of the pulling piece, so that no gap is reserved, and the heat bridge effect is avoided.
As shown in fig. 5, the concrete form of drawknot spare includes U-shaped drawknot spare 5, the form of two drawknot spares of every group is unanimous, U-shaped drawknot spare 5 is formed for the round steel bending that the diameter is not less than 20mm, the both ends of opening part outwards recurve in the plane of U-shaped drawknot spare 5 place form hook portion 51, hook portion 51 hooks the nodical department of establishing at the horizontal reinforcing bar of lobular reinforcing bar net piece 11 and longitudinal reinforcement, and the ligature is fixed, when hook portion 51 sets up the position and is not nodical position, set up the splice bar under lobular reinforcing bar net piece 11, hook portion 51 is established at the nodical department and ligature fixed of splice bar and horizontal reinforcing bar or longitudinal reinforcement.
As shown in fig. 6, the concrete form of the tie member may also be a straight tie member 6, the straight tie member 6 is formed by bending round steel with a diameter not less than 20mm, two ends of the round steel are respectively bent outwards to form fixing hooks 61, the two fixing hooks 61 are located at the same side of the straight tie member 6 and located in the same plane, the fixing hooks 61 are hooked at the intersection points of the transverse steel bars and the longitudinal steel bars of the outer-leaf steel bar mesh 11 and are bound and fixed, and when the setting position of the fixing hooks 61 is not the intersection point of the mesh steel bars, the connection bar is set in the same manner as the above solution.
As shown in fig. 1, pin-shaped pulling pieces 7 are further arranged in the wall board, the pin-shaped pulling pieces 7 are uniformly arranged along the peripheral edge of the wall board at intervals, the distance between adjacent pin-shaped pulling pieces 7 is not more than 1200mm, and the minimum distance between each pin-shaped pulling piece 7 and the edge of the wall board is not less than 100 mm; the aciculiform tie 7 is arranged vertically to the plate surface, the open end is bound and fixed on the outer leaf steel mesh 11, and the other end passes through the heat-insulating layer 2 and the separation membrane 3 and then is fixedly connected with the inner leaf steel mesh 41; as shown in fig. 7, the pin-shaped pulling-connecting piece 7 is formed by bending round steel with the diameter not less than 20mm, and the round steel at the two sides of the opening end is bent into a wave shape, so that the pulling force of the pin-shaped pulling-connecting piece and concrete can be increased, and the pin-shaped pulling-connecting piece and the reinforcing mesh can be conveniently bound and fixed.
The utility model is suitable for a construction method of prefabricated double-layered core heat preservation wallboard of thickening of passive room, including following step:
step one, fixing a pulling piece and an outer leaf reinforcing mesh sheet 11;
step two, constructing an outer blade plate 1: the panel layer supports the formwork downwards, outer leaf reinforcing mesh sheets 11 are laid, and then concrete is poured and vibrated;
step three, laying an insulating layer 2: the heat insulation material penetrates through the tie piece to cover the outer leaf plate 1, so that the heat insulation material is tightly attached to the outer wall of the tie piece, no gap is reserved, a thermal bridge is avoided, and a sealing gasket is additionally arranged at the joint of adjacent heat insulation plates;
step four, laying a separation membrane 3: passing the tie through the separation membrane 3;
step five, constructing an inner blade plate 4: installing the inner blade reinforcing mesh 41 and the hoisting anchor bolts, then pouring the vibrating concrete, and maintaining to the standard strength.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (10)
1. The thickened prefabricated sandwich heat-insulation wallboard suitable for the passive house comprises an outer leaf plate (1), a heat-insulation layer (2), an inner leaf plate (4) and a tie piece; the method is characterized in that: the thickness of the heat-insulating layer (2) is not less than 200mm, a separation film (3) is further arranged between the heat-insulating layer (2) and the inner leaf plates (4), every two tie pieces in the plates are arranged in a V shape, the tie pieces are arranged in the plate surfaces of the wall plates at intervals, one end of each two tie pieces is fixed on an outer leaf steel bar net piece (11) in the outer leaf plates (1) in an intersecting manner, the other end of each two tie pieces is outwards opened, and the tie pieces are fixedly connected with inner leaf steel bar net pieces (41) in the inner leaf plates (4) after respectively penetrating through the heat-insulating layer (2) and the separation film (3); the edges of the periphery of the wallboard are also evenly provided with pin-shaped pulling pieces (7) at intervals.
2. The thickened prefabricated sandwich thermal insulation wallboard suitable for the passive room as claimed in claim 1, is characterized in that: the included angle between each two pulling pieces is not more than 100 degrees.
3. The thickened prefabricated sandwich thermal insulation wallboard suitable for the passive room as claimed in claim 1, is characterized in that: the planes of the V-shaped structures formed by the two adjacent groups of the pulling pieces are vertical to each other.
4. The thickened prefabricated sandwich thermal insulation wallboard suitable for the passive room as claimed in claim 1, is characterized in that: the separation membrane (3) is a polyethylene film with the thickness not less than 0.12 mm.
5. The thickened prefabricated sandwich thermal insulation wallboard suitable for the passive room as claimed in claim 1, is characterized in that: the paired pulling pieces comprise U-shaped pulling pieces (5), two end parts of openings of the U-shaped pulling pieces (5) are bent outwards in the plane where the U-shaped pulling pieces (5) are located to form hook parts (51), and the hook parts (51) are hooked with the outer leaf steel bar net pieces (11) and are bound and fixed.
6. The thickened prefabricated sandwich thermal insulation wallboard suitable for the passive room as claimed in claim 1, is characterized in that: the pair of drawknot pieces further comprise linear drawknot pieces (6), two end parts of the linear drawknot pieces are respectively bent outwards to form fixed hooks (61), the two fixed hooks (61) are located on the same side of the linear drawknot pieces (6), and the fixed hooks (61) are hooked on the outer leaf steel mesh sheets (11) and are bound and fixed.
7. The thickened prefabricated sandwich thermal insulation wallboard suitable for the passive room as claimed in claim 1, is characterized in that: the pin-shaped pulling piece (7) is perpendicular to the plate surface, the opening end is bound and fixed on the outer leaf steel bar net piece (11), and the other end penetrates through the heat preservation layer (2) and the separation film (3) and then is fixedly connected with the inner leaf steel bar net piece (41).
8. The thickened prefabricated sandwich thermal insulation wallboard suitable for the passive room as claimed in claim 7, is characterized in that: the special needle-shaped pulling piece (7) is formed by bending round steel, and the round steel at the two sides of the opening end is bent into a wave shape.
9. The thickened prefabricated sandwich thermal insulation wallboard suitable for the passive room as claimed in claim 1, is characterized in that: the heat-insulating layer (2) is an extruded sheet, a polystyrene board, a perlite board or a rock wool board.
10. The thickened prefabricated sandwich thermal insulation wallboard suitable for the passive room as claimed in claim 1, is characterized in that: the thickness of the outer leaf plate (1) is 50-60mm, the thickness of the inner leaf plate (4) is 150-200mm, and the built-in inner leaf steel mesh (41) is arranged in a double-layer mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921304044.8U CN210713502U (en) | 2019-08-13 | 2019-08-13 | Thickening prefabricated sandwich heat preservation wallboard suitable for passive room |
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| CN201921304044.8U CN210713502U (en) | 2019-08-13 | 2019-08-13 | Thickening prefabricated sandwich heat preservation wallboard suitable for passive room |
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| CN210713502U true CN210713502U (en) | 2020-06-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081300A (en) * | 2020-09-27 | 2020-12-15 | 安徽松欣新材料有限公司 | A lattice-assembled integrated wall panel |
| CN114274306A (en) * | 2021-12-27 | 2022-04-05 | 安徽富煌建筑科技有限公司 | Production process of prefabricated steel structure exterior wall cladding |
-
2019
- 2019-08-13 CN CN201921304044.8U patent/CN210713502U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081300A (en) * | 2020-09-27 | 2020-12-15 | 安徽松欣新材料有限公司 | A lattice-assembled integrated wall panel |
| CN114274306A (en) * | 2021-12-27 | 2022-04-05 | 安徽富煌建筑科技有限公司 | Production process of prefabricated steel structure exterior wall cladding |
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