CN218205205U - Sandwich heat-insulation external wall panel - Google Patents
Sandwich heat-insulation external wall panel Download PDFInfo
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- CN218205205U CN218205205U CN202222281770.0U CN202222281770U CN218205205U CN 218205205 U CN218205205 U CN 218205205U CN 202222281770 U CN202222281770 U CN 202222281770U CN 218205205 U CN218205205 U CN 218205205U
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Abstract
The utility model provides a sandwich heat-insulating external wall panel, which comprises an inner leaf panel, an outer leaf panel and a heat-insulating layer between the inner leaf panel and the outer leaf panel, wherein an outer bonding layer is arranged between the outer leaf panel and the heat-insulating layer, and an inner bonding layer is arranged between the heat-insulating layer and the inner leaf panel; the outer leaf plate is connected with the structural beam and the floor slab through the outer leaf connecting assembly as a stress layer, and the inner leaf plate is connected with the structural beam and the floor slab through the inner leaf connecting piece. The existing sandwich wall panel usually adopts the design of inner blade plate stress and outer blade plate protection, namely, the inner blade plate is supported on a floor slab, and a heat-insulating layer and the outer blade plate are cantilevered outside the inner blade plate through a connecting structure; the sandwich wall board sets the outer blade board as a stress layer, the inner blade and the outer blade are directly connected with the main body structure, the self weight is not required to be indirectly transferred through a connecting piece between the boards, and the safety factor is higher.
Description
Technical Field
The utility model belongs to the technical field of the building engineering technique and specifically relates to a press from both sides core heat preservation side fascia.
Background
Under the background that the external thermal insulation engineering frequently falls off and fires happen, the structural form of the external wall sandwich is gradually emphasized. According to different assembling modes and construction forms, the existing sandwich thermal insulation external wall panel mainly comprises a light steel keel sandwich wall panel and a concrete sandwich wall panel. The light steel keel sandwich wallboard is mainly assembled on site, namely, a keel is used as a stressed framework, heat insulation materials are embedded in gaps of the keel, light panels are respectively fixed on the inner side and the outer side of the keel framework, and then construction of plastering, finishing layers and the like is carried out. The concrete sandwich wallboard is mostly prefabricated in an integrated manner in a factory and comprises an inner leaf concrete plate, an outer leaf concrete plate, a heat insulation layer, a connecting piece and the like, namely, the inner leaf and the outer leaf are connected into a whole through the connecting piece, the inner leaf plate is used as a stress layer, the outer leaf plate is used as a protection layer, and a heat insulation core material is filled in the middle of the concrete sandwich wallboard so as to meet the energy-saving requirement.
The sandwich heat-insulating structure avoids the problems of falling off of the heat-insulating layer, fire prevention and the like to a certain extent, but still has the following problems:
the light steel keel sandwich wallboard mainly comprises two short boards with protruding thermal bridges and complicated construction. The panel of the light steel keel sandwich wallboard is mostly hung on the steel keel through self-tapping nails, a through thermal bridge is formed on the cross section of the wallboard, and the integral heat insulation performance of the wallboard is poor in consideration of the non-uniformity of the wallboard and the through seams among layers; in addition, the light steel keel sandwich wall board takes the whole space as a design size, has various specifications and is difficult to produce in batches, a large number of keel welding, panel cutting and other processes exist on site, the requirement on construction precision is extremely high, and the construction period is long.
Concrete sandwich wall panels have short panels in terms of connectors and integrity. The inner and outer blades of the existing wallboard are mostly connected through forms such as a steel bar truss, a stainless steel connecting piece and a plastic Fiber (FRP) connecting piece, a serious thermal bridge is generated when the connecting piece made of a metal material penetrates through the heat insulation core material, although the heat conductivity coefficient of the FRP connecting piece is low, the durability, the tensile strength and the shear strength are greatly reduced, and therefore, a mature connecting piece form which is easy to popularize is not provided at present. In addition, the inner leaf plate and the outer leaf plate are connected into a whole through the connecting piece, but the inner leaf and the outer leaf are separated on two sides of the heat preservation plate, so that the heat preservation plate is difficult to cooperatively bear force, and the phenomenon of hot bending is easily caused due to uneven heating.
SUMMERY OF THE UTILITY MODEL
The utility model provides a press from both sides core heat preservation wall for solve the problem that current heat preservation wall exists.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a sandwich thermal insulation external wall panel in the first aspect, which comprises an inner leaf panel, an outer leaf panel and a thermal insulation layer between the inner leaf panel and the outer leaf panel, wherein an outer bonding layer is arranged between the outer leaf panel and the thermal insulation layer, and an inner bonding layer is arranged between the thermal insulation layer and the inner leaf panel; the outer leaf plate is connected with the structural beam and the floor slab through the outer leaf connecting assembly as a stress layer, and the inner leaf plate is connected with the structural beam and the floor slab through the inner leaf connecting assembly.
Further, the inner blade plate and the outer blade plate adopt one of a lower plate type: the concrete slab comprises an aerated concrete slab, a foam concrete slab and a ceramsite concrete slab, wherein the upper end and the lower end of an outer leaf slab adopt a single tongue-and-groove form, and the two sides of an inner leaf slab and the two sides of the outer leaf slab adopt double tongue-and-groove forms.
Furthermore, the structural layers of the external wall panel are arranged in a staggered manner.
Further, outer leaf coupling assembling includes L type connecting piece and steel bar anchor, outer leaf board passes through steel bar anchor, L type connecting piece and is connected with structural beam and floor respectively with the help of expansion bolts.
Further, the inner blade connecting piece comprises a U-shaped clamping piece or a right-angle steel piece; the inner blade plate is respectively connected with the structural beam and the floor slab through U-shaped clamping pieces or right-angle steel pieces and expansion bolts.
Further, the heat-insulating layer is made of one of the following organic heat-insulating material plates: extruded sheet, molded sheet, graphite sheet, and heat insulating layer with slots on both sides.
Furthermore, the inner bonding layer and the outer bonding layer are both made of bonding mortar.
Further, the thickness of the inner and outer adhesive layers is 3mm to 5mm.
The effects provided in the contents of the present invention are only the effects of the embodiments, not all the effects of the present invention, and one of the above technical solutions has the following advantages or advantageous effects:
1. each structural layer is connected the factor of safety height:
the existing sandwich wall panel usually adopts the design of inner blade plate stress and outer blade plate protection, namely, the inner blade plate is supported on a floor slab, and a heat-insulating layer and the outer blade plate are cantilevered outside the inner blade plate through a connecting structure; the sandwich wall board sets the outer blade board as a stress layer, the inner blade and the outer blade are directly connected with the main body structure, the dead weight is not indirectly transferred through the connecting pieces between the boards, and the safety factor is higher.
2. Excellent thermal performance and no thermal bridge:
the sandwich wall board adopts an assembly mode of staggered joint arrangement among the structural layers, so that a large number of heat bridges at the through joints between the plates in the conventional batten outer wall are avoided; in addition, the heat insulation layer is arranged between the inner blade plate and the outer blade plate, and the inner blade plate and the outer blade plate are not directly connected, so that the heat insulation material is favorable for blocking a penetrating heat bridge generated by the connection assembly penetrating through the inner blade plate and the outer blade plate.
3. The material breakage rate is low:
the sandwich wallboard adopts a composite mode of field assembly instead of factory integrated prefabrication, avoids the frequent loading and unloading of materials and the frequent stacking and unstacking of finished materials by a forklift, and is favorable for reducing the damage of the materials, thereby being favorable for the implementation of the procedures of field caulking, plastering, repairing and the like.
4. The standardization degree is high:
most of the existing sandwich heat-insulating external wall panels are of integral-open type structures, customization needs to be carried out according to information such as layer height, wall width, door and window openings and the like of specific projects, finished wall panels cannot be used universally, the process of keel welding or steel part lapping is complex, automation and batch production are difficult to realize, and the requirement on early-stage deep design is extremely high; the invention adopts standardized and customized components to carry out on-site splicing, has high standardization degree, strong universality, easy on-site processing and higher fault tolerance rate of the deepened design.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a view of the structure of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
FIG. 4 is a structural view of an L-shaped connector;
FIG. 5 is a structural view of the U-shaped card member;
FIG. 6 is a structural view of the bar anchor;
fig. 7 is a structural view of the expansion bolt.
The structure comprises 1 outer blade plate, 2 inner blade plates, 3 outer blade connecting assemblies, 4 outer bonding layers, 5 heat-insulating layers, 6 inner bonding layers, 7 inner blade connecting pieces, 8L-shaped connecting pieces, 9U-shaped clamping pieces, 10 steel bar anchors, 11 expansion bolts, 12 structural beams, 13 floor slabs, 14 bolts, 15 gaskets and 16 connecting nuts.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily limit the invention.
As shown in figures 1-3, the sandwich thermal insulation outer wall mainly comprises an outer leaf plate 1, an outer leaf connecting assembly 3, an outer bonding layer 4, a thermal insulation layer 5, an inner bonding layer 6, an inner leaf plate 2 and an inner leaf connecting piece 7. The sandwich wall panel adopts the assembling mode of staggered joint arrangement between each structural layer, wherein:
(1) The inner leaf plate 1 and the outer leaf plate 1 can be light plates such as aerated concrete plates, foam concrete plates, ceramsite concrete plates and the like; wherein, the upper end and the lower end of the outer blade plate 1 are suitable to adopt a single tongue-and-groove form to enhance the water resistance of the transverse plate joint; the two sides of the inner and outer leaf plates 1 are preferably in a double tongue-and-groove form to strengthen the occlusion between the adjacent plates. The outer blade plate is used as a stress layer, is directly connected with the main body (the structural beam 12 and the floor 13), and needs to be subjected to bearing capacity calculation to determine the thickness and the reinforcing bars so as to resist wind load. The inner leaf is only used for protection, the reinforcing bars are less than those of the outer leaf plate, and the thickness can be as small as 50mm. The outer leaf wraps the weak structure on the inside and is used to directly resist wind loads.
(2) The heat-insulating layer 5 can be made of organic heat-insulating materials such as extruded sheets, molded sheets, graphite plates and the like, and both sides of the heat-insulating plate are suitable to be grooved so as to increase the contact area between the heat-insulating plate and the bonding mortar.
(3) The outer leaf connecting assembly 3 comprises an L-shaped connector 8 (fig. 4) and a steel bar anchor 10 (fig. 6). The outer leaf plates are connected to structural beams 12 and floor 13 by means of steel bar anchors 10, L-shaped connectors 8 and expansion bolts 11 (fig. 7), respectively. The bar anchor 10 includes a bolt 14, a washer 15, and a coupling nut 16.
(4) The inner blade connecting piece 7 can adopt a U-shaped clamping piece 9 (figure 5) right-angle steel piece and the like. The inner blade plate 2 is respectively connected with a structural beam 12 and a floor slab 13 through a U-shaped clamping piece 9 or a right-angle steel piece and an expansion bolt 11.
(5) The inner and outer bonding layers 4 are made of bonding mortar. The inner and outer leaf plates are respectively fixed and internally provided with the heat-insulating layer 5, so that the deformation caused by the uncoordinated stress and the hot bending of the inner and outer leaves is avoided, and a penetrating heat bridge is avoided.
The assembling method for the sandwich heat-insulation outer wall comprises the following steps:
(1) Outer leaf plate pretreatment:
and punching a hole at the mounting position of the connecting piece of the outer blade plate, placing the reinforcing steel bar anchor 10 in the hole, placing a reinforcing steel bar from the side of the plate, and sleeving the reinforcing steel bar into the round hole of the reinforcing steel bar anchor 10.
(2) Installing an outer blade plate:
and popping out a control line on the main body structure according to a plate arrangement diagram, and sequentially hoisting the outer blade plates provided with the reinforcing steel bar anchors 10 to the specified positions. The L-shaped connecting piece is sleeved and screwed on the steel bar anchor 10, penetrates through the L-shaped connecting piece by virtue of an expansion bolt 11 and is fixed on the beam bottom or a floor slab, so that the outer blade plate is indirectly connected with the main structure.
(3) Bonding the heat preservation layer 5:
coating or pouring 3-5 mm of bonding mortar on the surface of one side of the heat-insulating plate to form an outer bonding layer 4, and then sequentially bonding the heat-insulating plate to the inner side of the outer leaf plate in a staggered joint manner; and coating 3-5 mm of bonding mortar with the inner side of the insulation board to form an inner bonding layer 6.
(4) Installing an inner blade plate:
popping out an inner leaf plate installation control line according to a plate arrangement diagram, squeezing a short-side steel plate on one side of the U-shaped pipe clamp into the inner bonding layer 6, and fixing the U-shaped pipe clamp to the upper end position and the lower end position between the adjacent inner leaf plates by adopting expansion bolts; the inner leaf plate is hoisted to the range of the U-shaped clamping piece in sequence, the U-shaped clamping piece is ensured to clamp the inner leaf plate, and the inner leaf plate and the heat insulation plate are placed in a staggered joint mode. In addition, after the inner blade plate is hoisted to the designated position, the inner blade plate can also be fixed on the main body structure by adopting a right-angle steel piece.
(5) Construction of a plastering layer and a finishing layer:
after the wall board is assembled in a staggered joint mode, cement mortar with the thickness of 3-6 mm is uniformly sprayed on the inner side and the outer side of the wall board respectively, and a glass fiber net is pressed in to form a plastering layer; and then constructing a corresponding veneer layer according to design requirements.
1. The connection safety coefficient of each structural layer is high.
The existing sandwich wall panel usually adopts the design of inner blade plate stress and outer blade plate protection, namely, the inner blade plate is supported on a floor slab, and the heat-insulating layer 5 and the outer blade plate are cantilevered outside the inner blade plate through a connecting structure; the sandwich wall board sets the outer blade board as a stress layer, the inner blade and the outer blade are directly connected with the main body structure, the dead weight is not indirectly transferred through the connecting pieces between the boards, and the safety factor is higher.
2. Excellent thermal performance and no thermal bridge.
The sandwich wall board adopts an assembling mode of staggered joint arrangement among the structural layers, so that a large number of heat bridges at the through joints between boards in the conventional batten outer wall are avoided; in addition, the heat insulation layer 5 is arranged between the inner blade plate and the outer blade plate, and the inner blade plate and the outer blade plate are not directly connected, so that the heat insulation material is favorable for blocking a penetrating heat bridge generated by the connection assembly penetrating through the inner blade plate and the outer blade plate.
3. The material breakage rate is low.
The sandwich wall board adopts a composite mode of on-site assembly instead of factory integrated prefabrication, avoids frequent material loading and unloading of a forklift and frequent stacking and unstacking of finished materials, and is favorable for reducing material damage, thereby being favorable for performing procedures such as on-site caulking, plastering, repairing and the like.
4. The standardization degree is high.
Most of the existing sandwich thermal-insulation external wall panels are of integral-open type structures, and need to be customized according to information such as layer height, wall width, door and window openings and the like of specific projects, finished wall panels cannot be used universally, a keel welding or steel part lapping process is complex, automation and batch production are difficult to realize, and requirements on early-stage deep design are extremely high; the invention adopts standardized and customized components to carry out on-site splicing, has high standardization degree, strong universality, easy on-site processing and higher fault tolerance rate of the deepened design.
Although the specific embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications or variations can be made by those skilled in the art without inventive efforts on the basis of the technical solutions of the present invention.
Claims (8)
1. A sandwich heat-insulating external wall panel comprises an inner leaf panel, an outer leaf panel and a heat-insulating layer between the inner leaf panel and the outer leaf panel, and is characterized in that an outer bonding layer is arranged between the outer leaf panel and the heat-insulating layer, and an inner bonding layer is arranged between the heat-insulating layer and the inner leaf panel; the outer leaf plate is connected with the structural beam and the floor slab through the outer leaf connecting assembly as a stress layer, and the inner leaf plate is connected with the structural beam and the floor slab through the inner leaf connecting assembly.
2. The sandwich thermal insulation external wall panel as claimed in claim 1, wherein the inner leaf panel and the outer leaf panel are one of a lower panel type: the concrete slab comprises an aerated concrete slab, a foam concrete slab and a ceramsite concrete slab, wherein the upper end and the lower end of an outer leaf slab adopt a single tongue-and-groove form, and the two sides of an inner leaf slab and the two sides of the outer leaf slab adopt double tongue-and-groove forms.
3. The sandwich thermal insulation external wall panel as claimed in claim 1, wherein the structural layers of the external wall panel are arranged in staggered joints.
4. The sandwich thermal insulation external wall panel according to claim 1, wherein the outer leaf connecting assembly comprises an L-shaped connecting member and a steel bar anchor, and the outer leaf panel is connected with the structural beam and the floor slab through the steel bar anchor and the L-shaped connecting member by means of expansion bolts.
5. The sandwich thermal insulation external wall panel according to claim 1, wherein the inner leaf connecting member comprises a U-shaped clamping member or a right-angle steel member; the inner leaf plate is respectively connected with the structural beam and the floor slab through U-shaped clamping pieces or right-angle steel pieces and expansion bolts.
6. The sandwich thermal insulation external wall panel as claimed in claim 1, wherein the thermal insulation layer is made of one of the following organic thermal insulation material: extruded sheet, molded sheet, graphite sheet, and heat insulating layer with slots on both sides.
7. The sandwich thermal insulation external wall panel as claimed in claim 1, wherein the inner bonding layer and the outer bonding layer are made of bonding mortar.
8. The insulating sandwiched outer wall board as set forth in claim 7, wherein the inner and outer adhesive layers have a thickness of 3-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222281770.0U CN218205205U (en) | 2022-08-29 | 2022-08-29 | Sandwich heat-insulation external wall panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222281770.0U CN218205205U (en) | 2022-08-29 | 2022-08-29 | Sandwich heat-insulation external wall panel |
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| Publication Number | Publication Date |
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| CN218205205U true CN218205205U (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222281770.0U Active CN218205205U (en) | 2022-08-29 | 2022-08-29 | Sandwich heat-insulation external wall panel |
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- 2022-08-29 CN CN202222281770.0U patent/CN218205205U/en active Active
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